diff options
author | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
---|---|---|
committer | Taru Karttunen <taruti@taruti.net> | 2011-03-30 15:46:40 +0300 |
commit | e5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch) | |
tree | d8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/ape/lib |
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/ape/lib')
552 files changed, 37283 insertions, 0 deletions
diff --git a/sys/src/ape/lib/9/386/getcallerpc.s b/sys/src/ape/lib/9/386/getcallerpc.s new file mode 100755 index 000000000..bc4a5f1ea --- /dev/null +++ b/sys/src/ape/lib/9/386/getcallerpc.s @@ -0,0 +1,4 @@ +TEXT getcallerpc(SB), $0 + MOVL v+0(FP), AX + MOVL -4(AX), AX + RET diff --git a/sys/src/ape/lib/9/386/getfcr.s b/sys/src/ape/lib/9/386/getfcr.s new file mode 100755 index 000000000..3ca21129d --- /dev/null +++ b/sys/src/ape/lib/9/386/getfcr.s @@ -0,0 +1,27 @@ + +TEXT setfcr(SB), $0 + MOVL p+0(FP),AX + XORB $0x3f,AX + PUSHW AX + WAIT + FLDCW 0(SP) + POPW AX + RET + +TEXT getfcr(SB), $0 + PUSHW AX + WAIT + FSTCW 0(SP) + POPW AX + XORB $0x3f,AX + RET + +TEXT getfsr(SB), $0 + WAIT + FSTSW AX + RET + +TEXT setfsr(SB), $0 + WAIT + FCLEX + RET diff --git a/sys/src/ape/lib/9/68020/getcallerpc.s b/sys/src/ape/lib/9/68020/getcallerpc.s new file mode 100755 index 000000000..78f2f9db9 --- /dev/null +++ b/sys/src/ape/lib/9/68020/getcallerpc.s @@ -0,0 +1,3 @@ +TEXT getcallerpc(SB), $0 + MOVL (a+0(FP)), R0 + RTS diff --git a/sys/src/ape/lib/9/68020/getfcr.s b/sys/src/ape/lib/9/68020/getfcr.s new file mode 100755 index 000000000..7f67d038f --- /dev/null +++ b/sys/src/ape/lib/9/68020/getfcr.s @@ -0,0 +1,19 @@ +TEXT getfsr(SB), $0 + MOVL $0, R0 + MOVL FPSR, R0 + RTS + +TEXT setfsr(SB), $0 + MOVL new+0(FP), R1 + MOVL R1, FPSR + RTS + +TEXT getfcr(SB), $0 + MOVL $0, R0 + MOVL FPCR, R0 + RTS + +TEXT setfcr(SB), $0 + MOVL new+0(FP), R1 + MOVL R1, FPCR + RTS diff --git a/sys/src/ape/lib/9/alpha/getcallerpc.s b/sys/src/ape/lib/9/alpha/getcallerpc.s new file mode 100755 index 000000000..2214561be --- /dev/null +++ b/sys/src/ape/lib/9/alpha/getcallerpc.s @@ -0,0 +1,4 @@ +TEXT getcallerpc(SB), $-8 + MOVL 0(SP), R0 + RET + diff --git a/sys/src/ape/lib/9/alpha/getfcr.s b/sys/src/ape/lib/9/alpha/getfcr.s new file mode 100755 index 000000000..06df5de98 --- /dev/null +++ b/sys/src/ape/lib/9/alpha/getfcr.s @@ -0,0 +1,57 @@ +#define EXCB WORD $0x60000400 /* until 7a/7l catch up */ + +TEXT getfsr(SB), $8 + EXCB + MOVT FPCR, F0 + EXCB + MOVT F0, tmp-8(SP) + MOVL tmp-4(SP), R1 + MOVQ $0x01e00000, R2 + AND R2, R1, R0 + RET + +TEXT setfsr(SB), $8 + MOVQ $0x01e00000, R2 + EXCB + MOVT FPCR, F0 + EXCB + MOVT F0, tmp-8(SP) + MOVL tmp-4(SP), R1 + ANDNOT R2, R1, R3 + AND R2, R0, R4 + OR R3, R4, R5 + MOVL R5, tmp-4(SP) + MOVT tmp-8(SP), F0 + EXCB + MOVT F0, FPCR + EXCB + RET + +TEXT getfcr(SB), $8 + EXCB + MOVT FPCR, F0 + EXCB + MOVT F0, tmp-8(SP) + MOVL tmp-4(SP), R1 + MOVQ $0x700c0000, R2 + AND R2, R1, R0 + XOR R2, R0 + RET + +TEXT setfcr(SB), $8 + MOVQ $0x700c0000, R2 + XOR R2, R0 + EXCB + MOVT FPCR, F0 + EXCB + MOVT F0, tmp-8(SP) + MOVL tmp-4(SP), R1 + ANDNOT R2, R1, R3 + AND R2, R0, R4 + OR R3, R4, R5 + MOVL R5, tmp-4(SP) + MOVT tmp-8(SP), F0 + EXCB + MOVT F0, FPCR + EXCB + RET diff --git a/sys/src/ape/lib/9/arm/getcallerpc.s b/sys/src/ape/lib/9/arm/getcallerpc.s new file mode 100755 index 000000000..ac4575913 --- /dev/null +++ b/sys/src/ape/lib/9/arm/getcallerpc.s @@ -0,0 +1,3 @@ +TEXT getcallerpc(SB), $-4 + MOVW 0(R13), R0 + RET diff --git a/sys/src/ape/lib/9/arm/getfcr.s b/sys/src/ape/lib/9/arm/getfcr.s new file mode 100755 index 000000000..b27c7f082 --- /dev/null +++ b/sys/src/ape/lib/9/arm/getfcr.s @@ -0,0 +1,16 @@ + +TEXT setfcr(SB), $4 + MOVW R0, FPCR + RET + +TEXT getfcr(SB), $4 + MOVW FPCR, R0 + RET + +TEXT getfsr(SB), $0 + MOVW FPSR, R0 + RET + +TEXT setfsr(SB), $0 + MOVW R0, FPSR + RET diff --git a/sys/src/ape/lib/9/bind.c b/sys/src/ape/lib/9/bind.c new file mode 100755 index 000000000..ef9c2db8c --- /dev/null +++ b/sys/src/ape/lib/9/bind.c @@ -0,0 +1,9 @@ +#include <lib9.h> + +extern int _BIND(char*, char*, int); + +int +bind(char *name, char *old, int flag) +{ + return _BIND(name, old, flag); +} diff --git a/sys/src/ape/lib/9/errstr.c b/sys/src/ape/lib/9/errstr.c new file mode 100755 index 000000000..d790b85f2 --- /dev/null +++ b/sys/src/ape/lib/9/errstr.c @@ -0,0 +1,9 @@ +#include <lib9.h> + +extern int _ERRSTR(char*, unsigned int); + +int +errstr(char *err, unsigned int nerr) +{ + return _ERRSTR(err, nerr); +} diff --git a/sys/src/ape/lib/9/mips/getcallerpc.s b/sys/src/ape/lib/9/mips/getcallerpc.s new file mode 100755 index 000000000..7397526e7 --- /dev/null +++ b/sys/src/ape/lib/9/mips/getcallerpc.s @@ -0,0 +1,4 @@ +TEXT getcallerpc(SB), $0 + MOVW 0(SP), R1 + RET + diff --git a/sys/src/ape/lib/9/mips/getfcr.s b/sys/src/ape/lib/9/mips/getfcr.s new file mode 100755 index 000000000..9e84cbccd --- /dev/null +++ b/sys/src/ape/lib/9/mips/getfcr.s @@ -0,0 +1,15 @@ +TEXT getfsr(SB), $0 + MOVW FCR31, R1 + RET + +TEXT setfsr(SB), $0 + MOVW R1, FCR31 + RET + +TEXT getfcr(SB), $0 + MOVW FCR31, R1 + RET + +TEXT setfcr(SB), $0 + MOVW R1, FCR31 + RET diff --git a/sys/src/ape/lib/9/mkfile b/sys/src/ape/lib/9/mkfile new file mode 100755 index 000000000..1715e62f8 --- /dev/null +++ b/sys/src/ape/lib/9/mkfile @@ -0,0 +1,27 @@ +APE=/sys/src/ape +<$APE/config + +LIB=/$objtype/lib/ape/lib9.a +OFILES=errstr.$O\ + bind.$O\ + getcallerpc.$O\ + getfcr.$O\ + mount.$O\ + rendezvous.$O\ + rfork.$O\ + segattach.$O\ + segdetach.$O\ + segflush.$O\ + segfree.$O\ + setmalloctag.$O\ + unmount.$O\ + +</sys/src/cmd/mksyslib + +CFLAGS=-c $CFLAGS -D_POSIX_SOURCE -D_PLAN9_SOURCE + +%.$O: $objtype/%.s + $AS $prereq + +%.$O: $objtype/%.c + $CC $CFLAGS $prereq diff --git a/sys/src/ape/lib/9/mount.c b/sys/src/ape/lib/9/mount.c new file mode 100755 index 000000000..667b4c9a6 --- /dev/null +++ b/sys/src/ape/lib/9/mount.c @@ -0,0 +1,9 @@ +#include <lib9.h> + +extern int _MOUNT(int, int, char*, int, char*); + +int +mount(int fd, int afd, char *old, int flag, char *aname) +{ + return _MOUNT(fd, afd, old, flag, aname); +} diff --git a/sys/src/ape/lib/9/power/getcallerpc.s b/sys/src/ape/lib/9/power/getcallerpc.s new file mode 100755 index 000000000..b031670e2 --- /dev/null +++ b/sys/src/ape/lib/9/power/getcallerpc.s @@ -0,0 +1,4 @@ +TEXT getcallerpc(SB), $-4 + MOVW 0(R1), R3 + RETURN + diff --git a/sys/src/ape/lib/9/power/getfcr.s b/sys/src/ape/lib/9/power/getfcr.s new file mode 100755 index 000000000..b61d52e68 --- /dev/null +++ b/sys/src/ape/lib/9/power/getfcr.s @@ -0,0 +1,28 @@ +TEXT getfcr(SB), $8 + MOVFL FPSCR, F3 + FMOVD F3, f-8(SP) + MOVW -4(SP), R3 + RETURN + +TEXT getfsr(SB), $8 + MOVFL FPSCR, F3 + FMOVD F3, f-8(SP) + MOVW -4(SP), R3 + RETURN + +TEXT setfcr(SB), $8 + SYNC + MOVW R3, -4(SP) + FMOVD -8(SP), F3 + MOVFL F3, FPSCR + ISYNC + RETURN + +TEXT setfsr(SB), $8 + SYNC + MOVW R3, -4(SP) + FMOVD -8(SP), F3 + MOVFL F3, FPSCR + ISYNC + RETURN + diff --git a/sys/src/ape/lib/9/rendezvous.c b/sys/src/ape/lib/9/rendezvous.c new file mode 100755 index 000000000..0e184c2f6 --- /dev/null +++ b/sys/src/ape/lib/9/rendezvous.c @@ -0,0 +1,9 @@ +#include <lib9.h> + +extern unsigned long _RENDEZVOUS(unsigned long, unsigned long); + +unsigned long +rendezvous(unsigned long tag, unsigned long value) +{ + return _RENDEZVOUS(tag, value); +} diff --git a/sys/src/ape/lib/9/rfork.c b/sys/src/ape/lib/9/rfork.c new file mode 100755 index 000000000..759739bdf --- /dev/null +++ b/sys/src/ape/lib/9/rfork.c @@ -0,0 +1,9 @@ +#include <lib9.h> + +extern int _RFORK(int); + +int +rfork(int flags) +{ + return _RFORK(flags); +} diff --git a/sys/src/ape/lib/9/segattach.c b/sys/src/ape/lib/9/segattach.c new file mode 100755 index 000000000..f99f4877d --- /dev/null +++ b/sys/src/ape/lib/9/segattach.c @@ -0,0 +1,10 @@ +#include <lib9.h> + +extern int _SEGATTACH(int, char*, void*, unsigned long); + +int +segattach(int attr, char *class, void *va, unsigned long len) +{ + return _SEGATTACH(attr, class, va, len); +} + diff --git a/sys/src/ape/lib/9/segbrk.c b/sys/src/ape/lib/9/segbrk.c new file mode 100755 index 000000000..9e8d10eae --- /dev/null +++ b/sys/src/ape/lib/9/segbrk.c @@ -0,0 +1,9 @@ +#include <lib9.h> + +extern int _SEGBRK(void*, void*); + +int +segbrk(void *saddr, void *addr) +{ + return _SEGBRK(saddr, addr); +} diff --git a/sys/src/ape/lib/9/segdetach.c b/sys/src/ape/lib/9/segdetach.c new file mode 100755 index 000000000..88596fd04 --- /dev/null +++ b/sys/src/ape/lib/9/segdetach.c @@ -0,0 +1,10 @@ +#include <lib9.h> + +extern int _SEGDETACH(void *); + +int +segdetach(void *addr) +{ + return _SEGDETACH(addr); +} + diff --git a/sys/src/ape/lib/9/segflush.c b/sys/src/ape/lib/9/segflush.c new file mode 100755 index 000000000..44259e689 --- /dev/null +++ b/sys/src/ape/lib/9/segflush.c @@ -0,0 +1,9 @@ +#include <lib9.h> + +extern int _SEGFLUSH(void*, unsigned long); + +int +segflush(void *va, unsigned long len) +{ + return _SEGFLUSH(va, len); +} diff --git a/sys/src/ape/lib/9/segfree.c b/sys/src/ape/lib/9/segfree.c new file mode 100755 index 000000000..06b3fbbde --- /dev/null +++ b/sys/src/ape/lib/9/segfree.c @@ -0,0 +1,10 @@ +#include <lib9.h> + +extern int _SEGFREE(void*, unsigned long); + +int +segfree(void *va, unsigned long len) +{ + return _SEGFREE(va, len); +} + diff --git a/sys/src/ape/lib/9/setmalloctag.c b/sys/src/ape/lib/9/setmalloctag.c new file mode 100755 index 000000000..b5d159475 --- /dev/null +++ b/sys/src/ape/lib/9/setmalloctag.c @@ -0,0 +1,4 @@ +void +setmalloctag(void*, unsigned long) +{ +} diff --git a/sys/src/ape/lib/9/sparc/getcallerpc.s b/sys/src/ape/lib/9/sparc/getcallerpc.s new file mode 100755 index 000000000..05d70f118 --- /dev/null +++ b/sys/src/ape/lib/9/sparc/getcallerpc.s @@ -0,0 +1,3 @@ +TEXT getcallerpc(SB), $0 + MOVW 0(R1), R7 + RETURN diff --git a/sys/src/ape/lib/9/sparc/getfcr.s b/sys/src/ape/lib/9/sparc/getfcr.s new file mode 100755 index 000000000..0059ada56 --- /dev/null +++ b/sys/src/ape/lib/9/sparc/getfcr.s @@ -0,0 +1,27 @@ +TEXT getfsr(SB), $0 + SUB $4, R1 + MOVW FSR, (R1) + MOVW (R1), R7 + ADD $4, R1 + RETURN + +TEXT setfsr(SB), $0 + SUB $4, R1 + MOVW R7, (R1) + MOVW (R1), FSR + ADD $4, R1 + RETURN + +TEXT setfcr(SB), $0 + SUB $4, R1 + MOVW R7, (R1) + MOVW (R1), FSR + ADD $4, R1 + RETURN + +TEXT getfcr(SB), $0 + SUB $4, R1 + MOVW FSR, (R1) + MOVW (R1), R7 + ADD $4, R1 + RETURN diff --git a/sys/src/ape/lib/9/unmount.c b/sys/src/ape/lib/9/unmount.c new file mode 100755 index 000000000..052f537d7 --- /dev/null +++ b/sys/src/ape/lib/9/unmount.c @@ -0,0 +1,9 @@ +#include <lib9.h> + +extern int _UNMOUNT(char*, char*); + +int +unmount(char *name, char *old) +{ + return _UNMOUNT(name, old); +} diff --git a/sys/src/ape/lib/ap/386/cycles.s b/sys/src/ape/lib/ap/386/cycles.s new file mode 100755 index 000000000..d1acbd2fc --- /dev/null +++ b/sys/src/ape/lib/ap/386/cycles.s @@ -0,0 +1,8 @@ +#define RDTSC BYTE $0x0F; BYTE $0x31 + +TEXT _cycles(SB),1,$0 /* time stamp counter; cycles since power up */ + RDTSC + MOVL vlong+0(FP), CX /* &vlong */ + MOVL AX, 0(CX) /* lo */ + MOVL DX, 4(CX) /* hi */ + RET diff --git a/sys/src/ape/lib/ap/386/lock.c b/sys/src/ape/lib/ap/386/lock.c new file mode 100755 index 000000000..91c0ba233 --- /dev/null +++ b/sys/src/ape/lib/ap/386/lock.c @@ -0,0 +1,26 @@ +#define _LOCK_EXTENSION +#include "../plan9/sys9.h" +#include <lock.h> + +int tas(int*); + +void +lock(Lock *lk) +{ + while(tas(&lk->val)) + _SLEEP(0); +} + +int +canlock(Lock *lk) +{ + if(tas(&lk->val)) + return 0; + return 1; +} + +void +unlock(Lock *lk) +{ + lk->val = 0; +} diff --git a/sys/src/ape/lib/ap/386/main9.s b/sys/src/ape/lib/ap/386/main9.s new file mode 100755 index 000000000..aef0777a4 --- /dev/null +++ b/sys/src/ape/lib/ap/386/main9.s @@ -0,0 +1,13 @@ + TEXT _main(SB), 1, $12 + + CALL _envsetup(SB) + MOVL inargc-4(FP), AX + MOVL AX, 0(SP) + LEAL inargv+0(FP), AX + MOVL AX, 4(SP) + MOVL environ(SB), AX + MOVL AX, 8(SP) + CALL main(SB) + MOVL AX, 0(SP) + CALL exit(SB) + RET diff --git a/sys/src/ape/lib/ap/386/main9p.s b/sys/src/ape/lib/ap/386/main9p.s new file mode 100755 index 000000000..0ca3004a4 --- /dev/null +++ b/sys/src/ape/lib/ap/386/main9p.s @@ -0,0 +1,46 @@ +#define NPRIVATES 16 + +GLOBL _tos(SB), $4 +GLOBL _privates(SB), $4 +GLOBL _nprivates(SB), $4 + +TEXT _mainp(SB), 1, $(3*4+NPRIVATES*4) + + /* _tos = arg */ + MOVL AX, _tos(SB) + LEAL 8(SP), AX + MOVL AX, _privates(SB) + MOVL $NPRIVATES, _nprivates(SB) + + /* _profmain(); */ + CALL _profmain(SB) + + /* _tos->prof.pp = _tos->prof.next; */ + MOVL _tos+0(SB),DX + MOVL 4(DX),CX + MOVL CX,(DX) + + CALL _envsetup(SB) + + /* main(argc, argv, environ); */ + MOVL inargc-4(FP), AX + MOVL AX, 0(SP) + LEAL inargv+0(FP), AX + MOVL AX, 4(SP) + MOVL environ(SB), AX + MOVL AX, 8(SP) + CALL main(SB) +loop: + MOVL AX, 0(SP) + CALL exit(SB) + MOVL $_profin(SB), AX /* force loading of profile */ + MOVL $0, AX + JMP loop + +TEXT _savearg(SB), 1, $0 + RET + +TEXT _callpc(SB), 1, $0 + MOVL argp+0(FP), AX + MOVL 4(AX), AX + RET diff --git a/sys/src/ape/lib/ap/386/memchr.s b/sys/src/ape/lib/ap/386/memchr.s new file mode 100755 index 000000000..23a1982a3 --- /dev/null +++ b/sys/src/ape/lib/ap/386/memchr.s @@ -0,0 +1,23 @@ + TEXT memchr(SB),$0 + + MOVL n+8(FP), CX + CMPL CX, $0 + JEQ none + MOVL p+0(FP), DI + MOVBLZX c+4(FP), AX + CLD +/* + * SCASB is memchr instruction + */ + + REPN; SCASB + JEQ found + +none: + MOVL $0, AX + RET + +found: + MOVL DI, AX + SUBL $1, AX + RET diff --git a/sys/src/ape/lib/ap/386/memcmp.s b/sys/src/ape/lib/ap/386/memcmp.s new file mode 100755 index 000000000..4e9d090cf --- /dev/null +++ b/sys/src/ape/lib/ap/386/memcmp.s @@ -0,0 +1,47 @@ + TEXT memcmp(SB),$0 + + MOVL n+8(FP), BX + CMPL BX, $0 + JEQ none + MOVL p1+0(FP), DI + MOVL p2+4(FP), SI + CLD +/* + * first by longs + */ + + MOVL BX, CX + SHRL $2, CX + + REP; CMPSL + JNE found + +/* + * then by bytes + */ + ANDL $3, BX + MOVL BX, CX + REP; CMPSB + JNE found1 + +none: + MOVL $0, AX + RET + +/* + * if long found, + * back up and look by bytes + */ +found: + MOVL $4, CX + SUBL CX, DI + SUBL CX, SI + REP; CMPSB + +found1: + JLS lt + MOVL $-1, AX + RET +lt: + MOVL $1, AX + RET diff --git a/sys/src/ape/lib/ap/386/memcpy.s b/sys/src/ape/lib/ap/386/memcpy.s new file mode 100755 index 000000000..bb9cfe40c --- /dev/null +++ b/sys/src/ape/lib/ap/386/memcpy.s @@ -0,0 +1,57 @@ + TEXT memcpy(SB), $0 + + MOVL p1+0(FP), DI + MOVL p2+4(FP), SI + MOVL n+8(FP), BX + CMPL BX, $0 + JGE ok + MOVL $0, SI +ok: + CLD +/* + * check and set for backwards + */ + CMPL SI, DI + JLS back +/* + * copy whole longs + */ + MOVL BX, CX + SHRL $2, CX + REP; MOVSL +/* + * copy the rest, by bytes + */ + ANDL $3, BX + MOVL BX, CX + REP; MOVSB + + MOVL p+0(FP),AX + RET +/* + * whole thing backwards has + * adjusted addresses + */ +back: + ADDL BX, DI + ADDL BX, SI + SUBL $4, DI + SUBL $4, SI + STD +/* + * copy whole longs + */ + MOVL BX, CX + SHRL $2, CX + ANDL $3, BX + REP; MOVSL +/* + * copy the rest, by bytes + */ + ADDL $3, DI + ADDL $3, SI + MOVL BX, CX + REP; MOVSB + + MOVL p+0(FP),AX + RET diff --git a/sys/src/ape/lib/ap/386/memmove.s b/sys/src/ape/lib/ap/386/memmove.s new file mode 100755 index 000000000..45a72225f --- /dev/null +++ b/sys/src/ape/lib/ap/386/memmove.s @@ -0,0 +1,57 @@ + TEXT memmove(SB), $0 + + MOVL p1+0(FP), DI + MOVL p2+4(FP), SI + MOVL n+8(FP), BX + CMPL BX, $0 + JGE ok + MOVL $0, SI +ok: + CLD +/* + * check and set for backwards + */ + CMPL SI, DI + JLS back +/* + * copy whole longs + */ + MOVL BX, CX + SHRL $2, CX + REP; MOVSL +/* + * copy the rest, by bytes + */ + ANDL $3, BX + MOVL BX, CX + REP; MOVSB + + MOVL p+0(FP),AX + RET +/* + * whole thing backwards has + * adjusted addresses + */ +back: + ADDL BX, DI + ADDL BX, SI + SUBL $4, DI + SUBL $4, SI + STD +/* + * copy whole longs + */ + MOVL BX, CX + SHRL $2, CX + ANDL $3, BX + REP; MOVSL +/* + * copy the rest, by bytes + */ + ADDL $3, DI + ADDL $3, SI + MOVL BX, CX + REP; MOVSB + + MOVL p+0(FP),AX + RET diff --git a/sys/src/ape/lib/ap/386/memset.s b/sys/src/ape/lib/ap/386/memset.s new file mode 100755 index 000000000..dacb2f5fb --- /dev/null +++ b/sys/src/ape/lib/ap/386/memset.s @@ -0,0 +1,35 @@ + TEXT memset(SB),$0 + + CLD + MOVL p+0(FP), DI + MOVBLZX c+4(FP), AX + MOVL n+8(FP), BX +/* + * if not enough bytes, just copy + */ + CMPL BX, $9 + JLS c3 +/* + * build word in AX + */ + MOVB AL, AH + MOVL AX, CX + SHLL $16, CX + ORL CX, AX +/* + * copy whole longs + */ +c1: + MOVL BX, CX + SHRL $2, CX + ANDL $3, BX + REP; STOSL +/* + * copy the rest, by bytes + */ +c3: + MOVL BX, CX + REP; STOSB +ret: + MOVL p+0(FP),AX + RET diff --git a/sys/src/ape/lib/ap/386/mkfile b/sys/src/ape/lib/ap/386/mkfile new file mode 100755 index 000000000..e19a4b852 --- /dev/null +++ b/sys/src/ape/lib/ap/386/mkfile @@ -0,0 +1,27 @@ +APE=/sys/src/ape +<$APE/config +LIB=/$objtype/lib/ape/libap.a +OFILES=\ + cycles.$O\ + lock.$O\ + main9.$O\ + main9p.$O\ + memchr.$O\ + memcmp.$O\ + memcpy.$O\ + memmove.$O\ + memset.$O\ + notetramp.$O\ + setjmp.$O\ + strcat.$O\ + strchr.$O\ + strcpy.$O\ + strlen.$O\ + tas.$O\ + vlop.$O\ + vlrt.$O\ + +</sys/src/cmd/mksyslib + +CFLAGS=-c -D_POSIX_SOURCE -D_PLAN9_SOURCE + diff --git a/sys/src/ape/lib/ap/386/notetramp.c b/sys/src/ape/lib/ap/386/notetramp.c new file mode 100755 index 000000000..19a6395f4 --- /dev/null +++ b/sys/src/ape/lib/ap/386/notetramp.c @@ -0,0 +1,72 @@ +#include "../plan9/lib.h" +#include "../plan9/sys9.h" +#include <signal.h> +#include <setjmp.h> + +/* A stack to hold pcs when signals nest */ +#define MAXSIGSTACK 20 +typedef struct Pcstack Pcstack; +static struct Pcstack { + int sig; + void (*hdlr)(int, char*, Ureg*); + unsigned long restorepc; + Ureg *u; +} pcstack[MAXSIGSTACK]; +static int nstack = 0; + +static void notecont(Ureg*, char*); + +void +_notetramp(int sig, void (*hdlr)(int, char*, Ureg*), Ureg *u) +{ + Pcstack *p; + + if(nstack >= MAXSIGSTACK) + _NOTED(1); /* nesting too deep; just do system default */ + p = &pcstack[nstack]; + p->restorepc = u->pc; + p->sig = sig; + p->hdlr = hdlr; + p->u = u; + nstack++; + u->pc = (unsigned long) notecont; + _NOTED(2); /* NSAVE: clear note but hold state */ +} + +static void +notecont(Ureg *u, char *s) +{ + Pcstack *p; + void(*f)(int, char*, Ureg*); + + p = &pcstack[nstack-1]; + f = p->hdlr; + u->pc = p->restorepc; + nstack--; + (*f)(p->sig, s, u); + _NOTED(3); /* NRSTR */ +} + +#define JMPBUFPC 1 +#define JMPBUFSP 0 + +extern sigset_t _psigblocked; + +void +siglongjmp(sigjmp_buf j, int ret) +{ + struct Ureg *u; + + if(j[0]) + _psigblocked = j[1]; + if(nstack == 0 || pcstack[nstack-1].u->sp > j[2+JMPBUFSP]) + longjmp(j+2, ret); + u = pcstack[nstack-1].u; + nstack--; + u->ax = ret; + if(ret == 0) + u->ax = 1; + u->pc = j[2+JMPBUFPC]; + u->sp = j[2+JMPBUFSP] + 4; + _NOTED(3); /* NRSTR */ +} diff --git a/sys/src/ape/lib/ap/386/setjmp.s b/sys/src/ape/lib/ap/386/setjmp.s new file mode 100755 index 000000000..008a43f07 --- /dev/null +++ b/sys/src/ape/lib/ap/386/setjmp.s @@ -0,0 +1,29 @@ +TEXT longjmp(SB), $0 + MOVL r+4(FP), AX + CMPL AX, $0 + JNE ok /* ansi: "longjmp(0) => longjmp(1)" */ + MOVL $1, AX /* bless their pointed heads */ +ok: MOVL l+0(FP), BX + MOVL 0(BX), SP /* restore sp */ + MOVL 4(BX), BX /* put return pc on the stack */ + MOVL BX, 0(SP) + RET + +TEXT setjmp(SB), $0 + MOVL l+0(FP), AX + MOVL SP, 0(AX) /* store sp */ + MOVL 0(SP), BX /* store return pc */ + MOVL BX, 4(AX) + MOVL $0, AX /* return 0 */ + RET + +TEXT sigsetjmp(SB), $0 + MOVL buf+0(FP), AX + MOVL savemask+4(FP),BX + MOVL BX,0(AX) + MOVL $_psigblocked(SB),4(AX) + MOVL SP, 8(AX) /* store sp */ + MOVL 0(SP), BX /* store return pc */ + MOVL BX, 12(AX) + MOVL $0, AX /* return 0 */ + RET diff --git a/sys/src/ape/lib/ap/386/strcat.s b/sys/src/ape/lib/ap/386/strcat.s new file mode 100755 index 000000000..3f41fefa5 --- /dev/null +++ b/sys/src/ape/lib/ap/386/strcat.s @@ -0,0 +1,43 @@ + TEXT strcat(SB),$0 + + MOVL $0, AX + MOVL $-1, CX + CLD + +/* + * find length of second string + */ + + MOVL p2+4(FP), DI + REPN; SCASB + + MOVL DI, BX + SUBL p2+4(FP), BX + +/* + * find end of first string + */ + + MOVL p1+0(FP), DI + REPN; SCASB + +/* + * copy the memory + */ + SUBL $1, DI + MOVL p2+4(FP), SI +/* + * copy whole longs + */ + MOVL BX, CX + SHRL $2, CX + REP; MOVSL +/* + * copy the rest, by bytes + */ + ANDL $3, BX + MOVL BX, CX + REP; MOVSB + + MOVL p1+0(FP), AX + RET diff --git a/sys/src/ape/lib/ap/386/strchr.s b/sys/src/ape/lib/ap/386/strchr.s new file mode 100755 index 000000000..873bdcf12 --- /dev/null +++ b/sys/src/ape/lib/ap/386/strchr.s @@ -0,0 +1,38 @@ + TEXT strchr(SB), $0 + + MOVL s+0(FP), DI + MOVB c+4(FP), AX + CMPB AX, $0 + JEQ l2 /**/ + +/* + * char is not null + */ +l1: + MOVB (DI), BX + CMPB BX, $0 + JEQ ret0 + ADDL $1, DI + CMPB AX, BX + JNE l1 + + MOVL DI, AX + SUBL $1, AX + RET + +/* + * char is null + */ +l2: + MOVL $-1, CX + CLD + + REPN; SCASB + + MOVL DI, AX + SUBL $1, AX + RET + +ret0: + MOVL $0, AX + RET diff --git a/sys/src/ape/lib/ap/386/strcpy.s b/sys/src/ape/lib/ap/386/strcpy.s new file mode 100755 index 000000000..83482e8a2 --- /dev/null +++ b/sys/src/ape/lib/ap/386/strcpy.s @@ -0,0 +1,35 @@ + TEXT strcpy(SB),$0 + + MOVL $0, AX + MOVL $-1, CX + CLD +/* + * find end of second string + */ + + MOVL p2+4(FP), DI + REPN; SCASB + + MOVL DI, BX + SUBL p2+4(FP), BX + +/* + * copy the memory + */ + MOVL p1+0(FP), DI + MOVL p2+4(FP), SI +/* + * copy whole longs + */ + MOVL BX, CX + SHRL $2, CX + REP; MOVSL +/* + * copy the rest, by bytes + */ + ANDL $3, BX + MOVL BX, CX + REP; MOVSB + + MOVL p1+0(FP), AX + RET diff --git a/sys/src/ape/lib/ap/386/strlen.s b/sys/src/ape/lib/ap/386/strlen.s new file mode 100755 index 000000000..e0330ffcc --- /dev/null +++ b/sys/src/ape/lib/ap/386/strlen.s @@ -0,0 +1,16 @@ + TEXT strlen(SB),$0 + + MOVL $0, AX + MOVL $-1, CX + CLD +/* + * look for end of string + */ + + MOVL p+0(FP), DI + REPN; SCASB + + MOVL DI, AX + SUBL p+0(FP), AX + SUBL $1, AX + RET diff --git a/sys/src/ape/lib/ap/386/tas.s b/sys/src/ape/lib/ap/386/tas.s new file mode 100755 index 000000000..d756102db --- /dev/null +++ b/sys/src/ape/lib/ap/386/tas.s @@ -0,0 +1,6 @@ +TEXT tas(SB),$0 + + MOVL $0xdeadead,AX + MOVL l+0(FP),BX + XCHGL AX,(BX) + RET diff --git a/sys/src/ape/lib/ap/386/vlop.s b/sys/src/ape/lib/ap/386/vlop.s new file mode 100755 index 000000000..42e8a70df --- /dev/null +++ b/sys/src/ape/lib/ap/386/vlop.s @@ -0,0 +1,44 @@ +TEXT _mulv(SB), $0 + MOVL r+0(FP), CX + MOVL a+4(FP), AX + MULL b+12(FP) + MOVL AX, 0(CX) + MOVL DX, BX + MOVL a+4(FP), AX + MULL b+16(FP) + ADDL AX, BX + MOVL a+8(FP), AX + MULL b+12(FP) + ADDL AX, BX + MOVL BX, 4(CX) + RET + +TEXT _mul64by32(SB), $0 + MOVL r+0(FP), CX + MOVL a+4(FP), AX + MULL b+12(FP) + MOVL AX, 0(CX) + MOVL DX, BX + MOVL a+8(FP), AX + MULL b+12(FP) + ADDL AX, BX + MOVL BX, 4(CX) + RET + +TEXT _div64by32(SB), $0 + MOVL r+12(FP), CX + MOVL a+0(FP), AX + MOVL a+4(FP), DX + DIVL b+8(FP) + MOVL DX, 0(CX) + RET + +TEXT _addv(SB), $0 + MOVL r+0(FP), CX + MOVL a+4(FP), AX + MOVL a+8(FP), BX + ADDL b+12(FP), AX + ADCL b+16(FP), BX + MOVL AX, 0(CX) + MOVL BX, 4(CX) + RET diff --git a/sys/src/ape/lib/ap/386/vlrt.c b/sys/src/ape/lib/ap/386/vlrt.c new file mode 100755 index 000000000..f0b100ef5 --- /dev/null +++ b/sys/src/ape/lib/ap/386/vlrt.c @@ -0,0 +1,695 @@ +typedef unsigned long ulong; +typedef unsigned int uint; +typedef unsigned short ushort; +typedef unsigned char uchar; +typedef signed char schar; + +#define SIGN(n) (1UL<<(n-1)) + +typedef struct Vlong Vlong; +struct Vlong +{ + union + { + struct + { + ulong lo; + ulong hi; + }; + struct + { + ushort lols; + ushort loms; + ushort hils; + ushort hims; + }; + }; +}; + +void abort(void); + +void +_subv(Vlong *r, Vlong a, Vlong b) +{ + ulong lo, hi; + + lo = a.lo - b.lo; + hi = a.hi - b.hi; + if(lo > a.lo) + hi--; + r->lo = lo; + r->hi = hi; +} + +void +_d2v(Vlong *y, double d) +{ + union { double d; struct Vlong; } x; + ulong xhi, xlo, ylo, yhi; + int sh; + + x.d = d; + + xhi = (x.hi & 0xfffff) | 0x100000; + xlo = x.lo; + sh = 1075 - ((x.hi >> 20) & 0x7ff); + + ylo = 0; + yhi = 0; + if(sh >= 0) { + /* v = (hi||lo) >> sh */ + if(sh < 32) { + if(sh == 0) { + ylo = xlo; + yhi = xhi; + } else { + ylo = (xlo >> sh) | (xhi << (32-sh)); + yhi = xhi >> sh; + } + } else { + if(sh == 32) { + ylo = xhi; + } else + if(sh < 64) { + ylo = xhi >> (sh-32); + } + } + } else { + /* v = (hi||lo) << -sh */ + sh = -sh; + if(sh <= 10) { + ylo = xlo << sh; + yhi = (xhi << sh) | (xlo >> (32-sh)); + } else { + /* overflow */ + yhi = d; /* causes something awful */ + } + } + if(x.hi & SIGN(32)) { + if(ylo != 0) { + ylo = -ylo; + yhi = ~yhi; + } else + yhi = -yhi; + } + + y->hi = yhi; + y->lo = ylo; +} + +void +_f2v(Vlong *y, float f) +{ + + _d2v(y, f); +} + +double +_v2d(Vlong x) +{ + if(x.hi & SIGN(32)) { + if(x.lo) { + x.lo = -x.lo; + x.hi = ~x.hi; + } else + x.hi = -x.hi; + return -((long)x.hi*4294967296. + x.lo); + } + return (long)x.hi*4294967296. + x.lo; +} + +float +_v2f(Vlong x) +{ + return _v2d(x); +} + +ulong _div64by32(Vlong, ulong, ulong*); +void _mul64by32(Vlong*, Vlong, ulong); + +static void +dodiv(Vlong num, Vlong den, Vlong *qp, Vlong *rp) +{ + ulong n; + Vlong x, q, r; + + if(den.hi > num.hi || (den.hi == num.hi && den.lo > num.lo)){ + if(qp) { + qp->hi = 0; + qp->lo = 0; + } + if(rp) { + rp->hi = num.hi; + rp->lo = num.lo; + } + return; + } + + if(den.hi != 0){ + q.hi = 0; + n = num.hi/den.hi; + _mul64by32(&x, den, n); + if(x.hi > num.hi || (x.hi == num.hi && x.lo > num.lo)){ + n--; + _mul64by32(&x, den, n); + } + q.lo = n; + _subv(&r, num, x); + } else { + if(num.hi >= den.lo){ + q.hi = n = num.hi/den.lo; + num.hi -= den.lo*n; + } else { + q.hi = 0; + } + q.lo = _div64by32(num, den.lo, &r.lo); + r.hi = 0; + } + if(qp) { + qp->lo = q.lo; + qp->hi = q.hi; + } + if(rp) { + rp->lo = r.lo; + rp->hi = r.hi; + } +} + +void +_divvu(Vlong *q, Vlong n, Vlong d) +{ + + if(n.hi == 0 && d.hi == 0) { + q->hi = 0; + q->lo = n.lo / d.lo; + return; + } + dodiv(n, d, q, 0); +} + +void +_modvu(Vlong *r, Vlong n, Vlong d) +{ + + if(n.hi == 0 && d.hi == 0) { + r->hi = 0; + r->lo = n.lo % d.lo; + return; + } + dodiv(n, d, 0, r); +} + +static void +vneg(Vlong *v) +{ + + if(v->lo == 0) { + v->hi = -v->hi; + return; + } + v->lo = -v->lo; + v->hi = ~v->hi; +} + +void +_divv(Vlong *q, Vlong n, Vlong d) +{ + long nneg, dneg; + + if(n.hi == (((long)n.lo)>>31) && d.hi == (((long)d.lo)>>31)) { + q->lo = (long)n.lo / (long)d.lo; + q->hi = ((long)q->lo) >> 31; + return; + } + nneg = n.hi >> 31; + if(nneg) + vneg(&n); + dneg = d.hi >> 31; + if(dneg) + vneg(&d); + dodiv(n, d, q, 0); + if(nneg != dneg) + vneg(q); +} + +void +_modv(Vlong *r, Vlong n, Vlong d) +{ + long nneg, dneg; + + if(n.hi == (((long)n.lo)>>31) && d.hi == (((long)d.lo)>>31)) { + r->lo = (long)n.lo % (long)d.lo; + r->hi = ((long)r->lo) >> 31; + return; + } + nneg = n.hi >> 31; + if(nneg) + vneg(&n); + dneg = d.hi >> 31; + if(dneg) + vneg(&d); + dodiv(n, d, 0, r); + if(nneg) + vneg(r); +} + +void +_rshav(Vlong *r, Vlong a, int b) +{ + long t; + + t = a.hi; + if(b >= 32) { + r->hi = t>>31; + if(b >= 64) { + /* this is illegal re C standard */ + r->lo = t>>31; + return; + } + r->lo = t >> (b-32); + return; + } + if(b <= 0) { + r->hi = t; + r->lo = a.lo; + return; + } + r->hi = t >> b; + r->lo = (t << (32-b)) | (a.lo >> b); +} + +void +_rshlv(Vlong *r, Vlong a, int b) +{ + ulong t; + + t = a.hi; + if(b >= 32) { + r->hi = 0; + if(b >= 64) { + /* this is illegal re C standard */ + r->lo = 0; + return; + } + r->lo = t >> (b-32); + return; + } + if(b <= 0) { + r->hi = t; + r->lo = a.lo; + return; + } + r->hi = t >> b; + r->lo = (t << (32-b)) | (a.lo >> b); +} + +void +_lshv(Vlong *r, Vlong a, int b) +{ + ulong t; + + t = a.lo; + if(b >= 32) { + r->lo = 0; + if(b >= 64) { + /* this is illegal re C standard */ + r->hi = 0; + return; + } + r->hi = t << (b-32); + return; + } + if(b <= 0) { + r->lo = t; + r->hi = a.hi; + return; + } + r->lo = t << b; + r->hi = (t >> (32-b)) | (a.hi << b); +} + +void +_andv(Vlong *r, Vlong a, Vlong b) +{ + r->hi = a.hi & b.hi; + r->lo = a.lo & b.lo; +} + +void +_orv(Vlong *r, Vlong a, Vlong b) +{ + r->hi = a.hi | b.hi; + r->lo = a.lo | b.lo; +} + +void +_xorv(Vlong *r, Vlong a, Vlong b) +{ + r->hi = a.hi ^ b.hi; + r->lo = a.lo ^ b.lo; +} + +void +_vpp(Vlong *l, Vlong *r) +{ + + l->hi = r->hi; + l->lo = r->lo; + r->lo++; + if(r->lo == 0) + r->hi++; +} + +void +_vmm(Vlong *l, Vlong *r) +{ + + l->hi = r->hi; + l->lo = r->lo; + if(r->lo == 0) + r->hi--; + r->lo--; +} + +void +_ppv(Vlong *l, Vlong *r) +{ + + r->lo++; + if(r->lo == 0) + r->hi++; + l->hi = r->hi; + l->lo = r->lo; +} + +void +_mmv(Vlong *l, Vlong *r) +{ + + if(r->lo == 0) + r->hi--; + r->lo--; + l->hi = r->hi; + l->lo = r->lo; +} + +void +_vasop(Vlong *ret, void *lv, void fn(Vlong*, Vlong, Vlong), int type, Vlong rv) +{ + Vlong t, u; + + u.lo = 0; + u.hi = 0; + switch(type) { + default: + abort(); + break; + + case 1: /* schar */ + t.lo = *(schar*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(schar*)lv = u.lo; + break; + + case 2: /* uchar */ + t.lo = *(uchar*)lv; + t.hi = 0; + fn(&u, t, rv); + *(uchar*)lv = u.lo; + break; + + case 3: /* short */ + t.lo = *(short*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(short*)lv = u.lo; + break; + + case 4: /* ushort */ + t.lo = *(ushort*)lv; + t.hi = 0; + fn(&u, t, rv); + *(ushort*)lv = u.lo; + break; + + case 9: /* int */ + t.lo = *(int*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(int*)lv = u.lo; + break; + + case 10: /* uint */ + t.lo = *(uint*)lv; + t.hi = 0; + fn(&u, t, rv); + *(uint*)lv = u.lo; + break; + + case 5: /* long */ + t.lo = *(long*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(long*)lv = u.lo; + break; + + case 6: /* ulong */ + t.lo = *(ulong*)lv; + t.hi = 0; + fn(&u, t, rv); + *(ulong*)lv = u.lo; + break; + + case 7: /* vlong */ + case 8: /* uvlong */ + fn(&u, *(Vlong*)lv, rv); + *(Vlong*)lv = u; + break; + } + *ret = u; +} + +void +_p2v(Vlong *ret, void *p) +{ + long t; + + t = (ulong)p; + ret->lo = t; + ret->hi = 0; +} + +void +_sl2v(Vlong *ret, long sl) +{ + long t; + + t = sl; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_ul2v(Vlong *ret, ulong ul) +{ + long t; + + t = ul; + ret->lo = t; + ret->hi = 0; +} + +void +_si2v(Vlong *ret, int si) +{ + long t; + + t = si; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_ui2v(Vlong *ret, uint ui) +{ + long t; + + t = ui; + ret->lo = t; + ret->hi = 0; +} + +void +_sh2v(Vlong *ret, long sh) +{ + long t; + + t = (sh << 16) >> 16; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_uh2v(Vlong *ret, ulong ul) +{ + long t; + + t = ul & 0xffff; + ret->lo = t; + ret->hi = 0; +} + +void +_sc2v(Vlong *ret, long uc) +{ + long t; + + t = (uc << 24) >> 24; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_uc2v(Vlong *ret, ulong ul) +{ + long t; + + t = ul & 0xff; + ret->lo = t; + ret->hi = 0; +} + +long +_v2sc(Vlong rv) +{ + long t; + + t = rv.lo & 0xff; + return (t << 24) >> 24; +} + +long +_v2uc(Vlong rv) +{ + + return rv.lo & 0xff; +} + +long +_v2sh(Vlong rv) +{ + long t; + + t = rv.lo & 0xffff; + return (t << 16) >> 16; +} + +long +_v2uh(Vlong rv) +{ + + return rv.lo & 0xffff; +} + +long +_v2sl(Vlong rv) +{ + + return rv.lo; +} + +long +_v2ul(Vlong rv) +{ + + return rv.lo; +} + +long +_v2si(Vlong rv) +{ + + return rv.lo; +} + +long +_v2ui(Vlong rv) +{ + + return rv.lo; +} + +int +_testv(Vlong rv) +{ + return rv.lo || rv.hi; +} + +int +_eqv(Vlong lv, Vlong rv) +{ + return lv.lo == rv.lo && lv.hi == rv.hi; +} + +int +_nev(Vlong lv, Vlong rv) +{ + return lv.lo != rv.lo || lv.hi != rv.hi; +} + +int +_ltv(Vlong lv, Vlong rv) +{ + return (long)lv.hi < (long)rv.hi || + (lv.hi == rv.hi && lv.lo < rv.lo); +} + +int +_lev(Vlong lv, Vlong rv) +{ + return (long)lv.hi < (long)rv.hi || + (lv.hi == rv.hi && lv.lo <= rv.lo); +} + +int +_gtv(Vlong lv, Vlong rv) +{ + return (long)lv.hi > (long)rv.hi || + (lv.hi == rv.hi && lv.lo > rv.lo); +} + +int +_gev(Vlong lv, Vlong rv) +{ + return (long)lv.hi > (long)rv.hi || + (lv.hi == rv.hi && lv.lo >= rv.lo); +} + +int +_lov(Vlong lv, Vlong rv) +{ + return lv.hi < rv.hi || + (lv.hi == rv.hi && lv.lo < rv.lo); +} + +int +_lsv(Vlong lv, Vlong rv) +{ + return lv.hi < rv.hi || + (lv.hi == rv.hi && lv.lo <= rv.lo); +} + +int +_hiv(Vlong lv, Vlong rv) +{ + return lv.hi > rv.hi || + (lv.hi == rv.hi && lv.lo > rv.lo); +} + +int +_hsv(Vlong lv, Vlong rv) +{ + return lv.hi > rv.hi || + (lv.hi == rv.hi && lv.lo >= rv.lo); +} diff --git a/sys/src/ape/lib/ap/68020/cycles.c b/sys/src/ape/lib/ap/68020/cycles.c new file mode 100755 index 000000000..1c32bc732 --- /dev/null +++ b/sys/src/ape/lib/ap/68020/cycles.c @@ -0,0 +1,5 @@ +void +_cycles(unsigned long long *u) +{ + *u = 0; +} diff --git a/sys/src/ape/lib/ap/68020/lock.c b/sys/src/ape/lib/ap/68020/lock.c new file mode 100755 index 000000000..91c0ba233 --- /dev/null +++ b/sys/src/ape/lib/ap/68020/lock.c @@ -0,0 +1,26 @@ +#define _LOCK_EXTENSION +#include "../plan9/sys9.h" +#include <lock.h> + +int tas(int*); + +void +lock(Lock *lk) +{ + while(tas(&lk->val)) + _SLEEP(0); +} + +int +canlock(Lock *lk) +{ + if(tas(&lk->val)) + return 0; + return 1; +} + +void +unlock(Lock *lk) +{ + lk->val = 0; +} diff --git a/sys/src/ape/lib/ap/68020/main9.s b/sys/src/ape/lib/ap/68020/main9.s new file mode 100755 index 000000000..04e40c5e6 --- /dev/null +++ b/sys/src/ape/lib/ap/68020/main9.s @@ -0,0 +1,9 @@ +TEXT _main(SB), 1, $16 + MOVL $a6base(SB), A6 + PEA inargv+0(FP) + MOVL inargc-4(FP), TOS + BSR _envsetup(SB) + BSR main(SB) + MOVL R0,TOS + BSR exit(SB) + RTS diff --git a/sys/src/ape/lib/ap/68020/main9p.s b/sys/src/ape/lib/ap/68020/main9p.s new file mode 100755 index 000000000..171355c5f --- /dev/null +++ b/sys/src/ape/lib/ap/68020/main9p.s @@ -0,0 +1,43 @@ +#define NPRIVATES 16 + +GLOBL _tos(SB), $4 +GLOBL _privates(SB), $4 +GLOBL _nprivates(SB), $4 + +TEXT _mainp(SB), 1, $(3*4+NPRIVATES*4) + MOVL $a6base(SB), A6 + + /* _tos = arg */ + MOVL R0, _tos(SB) /* return value of sys exec!! */ + LEA private+8(SP), _privates(SB) + MOVL $NPRIVATES, _nprivates(SB) + + /* _profmain(); */ + BSR _profmain(SB) + + /* _tos->prof.pp = _tos->prof.next; */ + MOVL _tos+0(SB),A1 + MOVL 4(A1),(A1) + + BSR _envsetup(SB) + + /* main(argc, argv, environ); */ + MOVL environ(SB), TOS + PEA inargv+0(FP) + MOVL inargc-4(FP), TOS + BSR main(SB) + +loop: + MOVL R0,TOS + BSR exit(SB) + LEA _profin(SB), A0 /* force loading of profile */ + BRA loop + + +TEXT _savearg(SB), 1, $0 + RTS + +TEXT _callpc(SB), 1, $0 + MOVL argp+0(FP), A0 + MOVL 4(A0), R0 + RTS diff --git a/sys/src/ape/lib/ap/68020/memchr.s b/sys/src/ape/lib/ap/68020/memchr.s new file mode 100755 index 000000000..ea2584df8 --- /dev/null +++ b/sys/src/ape/lib/ap/68020/memchr.s @@ -0,0 +1,15 @@ + TEXT memchr(SB),$0 + MOVL n+8(FP),R0 + BEQ ret + MOVL s1+0(FP),A1 + MOVL c+4(FP),R1 + +l1: CMPB R1,(A1)+ + BEQ eq + SUBL $1,R0 + BNE l1 + RTS + +eq: MOVL A1,R0 + SUBL $1,R0 +ret: RTS diff --git a/sys/src/ape/lib/ap/68020/memcmp.s b/sys/src/ape/lib/ap/68020/memcmp.s new file mode 100755 index 000000000..97d208e3b --- /dev/null +++ b/sys/src/ape/lib/ap/68020/memcmp.s @@ -0,0 +1,18 @@ + TEXT memcmp(SB),$0 + MOVL n+8(FP),R0 + BEQ ret + MOVL s1+0(FP),A2 + MOVL s2+4(FP),A1 + +l1: CMPB (A1)+,(A2)+ + BNE neq + SUBL $1,R0 + BNE l1 + RTS + +neq: BCS gtr + MOVL $-1,R0 + RTS + +gtr: MOVL $1,R0 +ret: RTS diff --git a/sys/src/ape/lib/ap/68020/memcpy.s b/sys/src/ape/lib/ap/68020/memcpy.s new file mode 100755 index 000000000..2a37573da --- /dev/null +++ b/sys/src/ape/lib/ap/68020/memcpy.s @@ -0,0 +1,98 @@ + TEXT memcpy(SB), $0 + + MOVL n+8(FP),R0 + BEQ return + BGT ok + MOVL 0, R0 +ok: + MOVL s1+0(FP),A2 + MOVL s2+4(FP),A1 + + CMPL A2,A1 + BHI back + +/* + * speed depends on source allignment + * destination allignment is secondary + * byte-at-a-time foreward copy to + * get source (A1) alligned. + */ +f1: + MOVL A1, R1 + ANDL $3, R1 + BEQ f2 + SUBL $1, R0 + BLT return + MOVB (A1)+, (A2)+ + BRA f1 +/* + * quad-long-at-a-time forward copy + */ +f2: + SUBL $16, R0 + BLT f3 + MOVL (A1)+, (A2)+ + MOVL (A1)+, (A2)+ + MOVL (A1)+, (A2)+ + MOVL (A1)+, (A2)+ + BRA f2 + +/* + * cleanup byte-at-a-time + */ +f3: + ADDL $15, R0 + BLT return +f4: + MOVB (A1)+, (A2)+ + SUBL $1, R0 + BGE f4 + BRA return + +return: + MOVL s1+0(FP),R0 + RTS + +/* + * everything the same, but + * copy backwards + */ +back: + ADDL R0, A1 + ADDL R0, A2 + +/* + * byte-at-a-time backward copy to + * get source (A1) alligned. + */ +b1: + MOVL A1, R1 + ANDL $3, R1 + BEQ b2 + SUBL $1, R0 + BLT return + MOVB -(A1), -(A2) + BRA b1 +/* + * quad-long-at-a-time backward copy + */ +b2: + SUBL $16, R0 + BLT b3 + MOVL -(A1), -(A2) + MOVL -(A1), -(A2) + MOVL -(A1), -(A2) + MOVL -(A1), -(A2) + BRA b2 + +/* + * cleanup byte-at-a-time backward + */ +b3: + ADDL $15, R0 + BLT return +b4: + MOVB -(A1), -(A2) + SUBL $1, R0 + BGE b4 + BRA return diff --git a/sys/src/ape/lib/ap/68020/memmove.s b/sys/src/ape/lib/ap/68020/memmove.s new file mode 100755 index 000000000..482b3d690 --- /dev/null +++ b/sys/src/ape/lib/ap/68020/memmove.s @@ -0,0 +1,99 @@ + TEXT memmove(SB), $0 +move: + + MOVL n+8(FP),R0 + BEQ return + BGT ok + MOVL 0, R0 +ok: + MOVL s1+0(FP),A2 + MOVL s2+4(FP),A1 + + CMPL A2,A1 + BHI back + +/* + * speed depends on source allignment + * destination allignment is secondary + * byte-at-a-time foreward copy to + * get source (A1) alligned. + */ +f1: + MOVL A1, R1 + ANDL $3, R1 + BEQ f2 + SUBL $1, R0 + BLT return + MOVB (A1)+, (A2)+ + BRA f1 +/* + * quad-long-at-a-time forward copy + */ +f2: + SUBL $16, R0 + BLT f3 + MOVL (A1)+, (A2)+ + MOVL (A1)+, (A2)+ + MOVL (A1)+, (A2)+ + MOVL (A1)+, (A2)+ + BRA f2 + +/* + * cleanup byte-at-a-time + */ +f3: + ADDL $15, R0 + BLT return +f4: + MOVB (A1)+, (A2)+ + SUBL $1, R0 + BGE f4 + BRA return + +return: + MOVL s1+0(FP),R0 + RTS + +/* + * everything the same, but + * copy backwards + */ +back: + ADDL R0, A1 + ADDL R0, A2 + +/* + * byte-at-a-time backward copy to + * get source (A1) alligned. + */ +b1: + MOVL A1, R1 + ANDL $3, R1 + BEQ b2 + SUBL $1, R0 + BLT return + MOVB -(A1), -(A2) + BRA b1 +/* + * quad-long-at-a-time backward copy + */ +b2: + SUBL $16, R0 + BLT b3 + MOVL -(A1), -(A2) + MOVL -(A1), -(A2) + MOVL -(A1), -(A2) + MOVL -(A1), -(A2) + BRA b2 + +/* + * cleanup byte-at-a-time backward + */ +b3: + ADDL $15, R0 + BLT return +b4: + MOVB -(A1), -(A2) + SUBL $1, R0 + BGE b4 + BRA return diff --git a/sys/src/ape/lib/ap/68020/memset.s b/sys/src/ape/lib/ap/68020/memset.s new file mode 100755 index 000000000..d4b773416 --- /dev/null +++ b/sys/src/ape/lib/ap/68020/memset.s @@ -0,0 +1,47 @@ + TEXT memset(SB), $0 + MOVL n+8(FP), R0 + BLE return + MOVL s1+0(FP), A1 + CLRL R1 + MOVB c+7(FP), R1 + BEQ l1 + +/* + * create 4 replicated copies + * of the byte in R1 + */ + MOVL R1, R2 + ASLL $8, R2 + ORL R2, R1 + MOVL R1, R2 + SWAP R2 + ORL R2, R1 + +/* + * quad-long-at-a-time set + * destination allignment is not + * very important. + */ +l1: + SUBL $16, R0 + BLT l2 + MOVL R1, (A1)+ + MOVL R1, (A1)+ + MOVL R1, (A1)+ + MOVL R1, (A1)+ + BRA l1 + +/* + * cleanup byte-at-a-time + */ +l2: + ADDL $15, R0 + BLT return +l3: + MOVB R1, (A1)+ + SUBL $1, R0 + BGE l3 + +return: + MOVL s1+0(FP),R0 + RTS diff --git a/sys/src/ape/lib/ap/68020/mkfile b/sys/src/ape/lib/ap/68020/mkfile new file mode 100755 index 000000000..f71b3cef2 --- /dev/null +++ b/sys/src/ape/lib/ap/68020/mkfile @@ -0,0 +1,28 @@ +APE=/sys/src/ape +<$APE/config +LIB=/$objtype/lib/ape/libap.a +OFILES=\ + cycles.$O\ + lock.$O\ + main9.$O\ + main9p.$O\ + memchr.$O\ + memcmp.$O\ + memcpy.$O\ + memmove.$O\ + memset.$O\ + notetramp.$O\ + setjmp.$O\ + strcat.$O\ + strchr.$O\ + strcmp.$O\ + strcpy.$O\ + strlen.$O\ + tas.$O\ + vlop.$O\ + vlrt.$O\ + +</sys/src/cmd/mksyslib + +CFLAGS=-c -D_POSIX_SOURCE -D_PLAN9_SOURCE + diff --git a/sys/src/ape/lib/ap/68020/notetramp.c b/sys/src/ape/lib/ap/68020/notetramp.c new file mode 100755 index 000000000..7803a35c7 --- /dev/null +++ b/sys/src/ape/lib/ap/68020/notetramp.c @@ -0,0 +1,72 @@ +#include "../plan9/lib.h" +#include "../plan9/sys9.h" +#include <signal.h> +#include <setjmp.h> + +/* A stack to hold pcs when signals nest */ +#define MAXSIGSTACK 20 +typedef struct Pcstack Pcstack; +static struct Pcstack { + int sig; + void (*hdlr)(int, char*, Ureg*); + unsigned long restorepc; + Ureg *u; +} pcstack[MAXSIGSTACK]; +static int nstack = 0; + +static void notecont(Ureg*, char*); + +void +_notetramp(int sig, void (*hdlr)(int, char*, Ureg*), Ureg *u) +{ + Pcstack *p; + + if(nstack >= MAXSIGSTACK) + _NOTED(1); /* nesting too deep; just do system default */ + p = &pcstack[nstack]; + p->restorepc = u->pc; + p->sig = sig; + p->hdlr = hdlr; + p->u = u; + nstack++; + u->pc = (unsigned long) notecont; + _NOTED(2); /* NSAVE: clear note but hold state */ +} + +static void +notecont(Ureg *u, char *s) +{ + Pcstack *p; + void(*f)(int, char*, Ureg*); + + p = &pcstack[nstack-1]; + f = p->hdlr; + u->pc = p->restorepc; + nstack--; + (*f)(p->sig, s, u); + _NOTED(3); /* NRSTR */ +} + +#define JMPBUFPC 1 +#define JMPBUFSP 0 + +extern sigset_t _psigblocked; + +void +siglongjmp(sigjmp_buf j, int ret) +{ + struct Ureg *u; + + if(j[0]) + _psigblocked = j[1]; + if(nstack == 0 || pcstack[nstack-1].u->sp > j[2+JMPBUFSP]) + longjmp(j+2, ret); + u = pcstack[nstack-1].u; + nstack--; + u->r0 = ret; + if(ret == 0) + u->r0 = 1; + u->pc = j[2+JMPBUFPC]; + u->sp = j[2+JMPBUFSP] + 4; + _NOTED(3); /* NRSTR */ +} diff --git a/sys/src/ape/lib/ap/68020/setjmp.s b/sys/src/ape/lib/ap/68020/setjmp.s new file mode 100755 index 000000000..c827376c2 --- /dev/null +++ b/sys/src/ape/lib/ap/68020/setjmp.s @@ -0,0 +1,26 @@ +TEXT setjmp(SB), 1, $0 + MOVL b+0(FP), A0 + MOVL A7, (A0)+ + MOVL (A7), (A0) + CLRL R0 + RTS + +TEXT sigsetjmp(SB), 1, $0 + MOVL b+0(FP), A0 + MOVW savemask+4(FP), R1 + MOVW R1, (A0)+ + MOVW $_psigblocked(SB), R1 + MOVW R1, (A0)+ + MOVL A7, (A0)+ + MOVL (A7), (A0) + CLRL R0 + RTS + +TEXT longjmp(SB), 1, $0 + MOVL b+0(FP), A0 + MOVL r+4(FP), R0 + BNE ok /* ansi: "longjmp(0) => longjmp(1)" */ + MOVL $1, R0 /* bless their pointed heads */ +ok: MOVL (A0)+, A7 + MOVL (A0), (A7) + RTS diff --git a/sys/src/ape/lib/ap/68020/strcat.s b/sys/src/ape/lib/ap/68020/strcat.s new file mode 100755 index 000000000..95821408b --- /dev/null +++ b/sys/src/ape/lib/ap/68020/strcat.s @@ -0,0 +1,15 @@ + TEXT strcat(SB), $0 + MOVL s1+0(FP), A2 + MOVL s2+4(FP), A1 + +l1: TSTB (A2)+ + BNE l1 + + MOVB (A1)+, -1(A2) + BEQ done + +l2: MOVB (A1)+, (A2)+ + BNE l2 + +done: MOVL s1+0(FP), R0 + RTS diff --git a/sys/src/ape/lib/ap/68020/strchr.s b/sys/src/ape/lib/ap/68020/strchr.s new file mode 100755 index 000000000..a5d4be2c6 --- /dev/null +++ b/sys/src/ape/lib/ap/68020/strchr.s @@ -0,0 +1,27 @@ + TEXT strchr(SB), $0 + + MOVL s+0(FP), A0 + MOVB c+7(FP), R2 + BEQ null + +l: + MOVB (A0)+, R1 + BEQ out + CMPB R1, R2 + BNE l + + MOVL A0, R0 + ADDL $-1, R0 + RTS + +out: + CLRL R0 + RTS + +null: + TSTB (A0)+ + BNE null + + MOVL A0, R0 + ADDL $-1, R0 + RTS diff --git a/sys/src/ape/lib/ap/68020/strcmp.s b/sys/src/ape/lib/ap/68020/strcmp.s new file mode 100755 index 000000000..c6072efd7 --- /dev/null +++ b/sys/src/ape/lib/ap/68020/strcmp.s @@ -0,0 +1,20 @@ + TEXT strcmp(SB), $0 + MOVL s1+0(FP), A2 + MOVL s2+4(FP), A1 + +l1: MOVB (A1)+, R0 + BEQ end + CMPB R0, (A2)+ + BEQ l1 + + BCS gtr + MOVL $-1, R0 + RTS + +gtr: MOVL $1, R0 + RTS + +end: TSTB (A2) + BNE gtr + CLRL R0 + RTS diff --git a/sys/src/ape/lib/ap/68020/strcpy.s b/sys/src/ape/lib/ap/68020/strcpy.s new file mode 100755 index 000000000..ce5c30bdb --- /dev/null +++ b/sys/src/ape/lib/ap/68020/strcpy.s @@ -0,0 +1,10 @@ + TEXT strcpy(SB), $0 + + MOVL s1+0(FP), A2 + MOVL s2+4(FP), A1 + +l1: MOVB (A1)+, (A2)+ + BNE l1 + + MOVL s1+0(FP), R0 + RTS diff --git a/sys/src/ape/lib/ap/68020/strlen.s b/sys/src/ape/lib/ap/68020/strlen.s new file mode 100755 index 000000000..4d787c704 --- /dev/null +++ b/sys/src/ape/lib/ap/68020/strlen.s @@ -0,0 +1,18 @@ + TEXT strlen(SB), $0 + MOVL s+0(FP), A1 + + TSTB (A1)+ + BEQ null + MOVL A1, A2 + +l1: + TSTB (A1)+ + BNE l1 + + SUBL A2, A1 + MOVL A1, R0 + RTS + +null: + MOVL $0, R0 + RTS diff --git a/sys/src/ape/lib/ap/68020/tas.s b/sys/src/ape/lib/ap/68020/tas.s new file mode 100755 index 000000000..ad5e7a9c9 --- /dev/null +++ b/sys/src/ape/lib/ap/68020/tas.s @@ -0,0 +1,9 @@ +TEXT tas(SB), $0 + + MOVL $0, R0 + MOVL a+0(FP), A0 + TAS (A0) + BEQ tas_1 + MOVL $1, R0 +tas_1: + RTS diff --git a/sys/src/ape/lib/ap/68020/vlop.s b/sys/src/ape/lib/ap/68020/vlop.s new file mode 100755 index 000000000..2f34fd645 --- /dev/null +++ b/sys/src/ape/lib/ap/68020/vlop.s @@ -0,0 +1,23 @@ +TEXT _mulv(SB), $0 + MOVL r+0(FP), A0 + MOVL a+8(FP), R0 + + WORD $0x4c2f + WORD $0x0401 + WORD $0x0014 +/* + * MULUL b+16(FP), R0:R1 + * philw made me do it! + */ + + MOVL a+4(FP), R2 + MULUL b+16(FP), R2 + ADDL R2, R1 + + MOVL a+8(FP), R2 + MULUL b+12(FP), R2 + ADDL R2, R1 + + MOVL R1, (A0)+ + MOVL R0, (A0) + RTS diff --git a/sys/src/ape/lib/ap/68020/vlrt.c b/sys/src/ape/lib/ap/68020/vlrt.c new file mode 100755 index 000000000..cfad2afc0 --- /dev/null +++ b/sys/src/ape/lib/ap/68020/vlrt.c @@ -0,0 +1,730 @@ +typedef unsigned long ulong; +typedef unsigned int uint; +typedef unsigned short ushort; +typedef unsigned char uchar; +typedef signed char schar; + +#define SIGN(n) (1UL<<(n-1)) + +typedef struct Vlong Vlong; +struct Vlong +{ + union + { + struct + { + ulong hi; + ulong lo; + }; + struct + { + ushort hims; + ushort hils; + ushort loms; + ushort lols; + }; + }; +}; + +void abort(void); + +void +_addv(Vlong *r, Vlong a, Vlong b) +{ + ulong lo, hi; + + lo = a.lo + b.lo; + hi = a.hi + b.hi; + if(lo < a.lo) + hi++; + r->lo = lo; + r->hi = hi; +} + +void +_subv(Vlong *r, Vlong a, Vlong b) +{ + ulong lo, hi; + + lo = a.lo - b.lo; + hi = a.hi - b.hi; + if(lo > a.lo) + hi--; + r->lo = lo; + r->hi = hi; +} + +void +_d2v(Vlong *y, double d) +{ + union { double d; struct Vlong; } x; + ulong xhi, xlo, ylo, yhi; + int sh; + + x.d = d; + + xhi = (x.hi & 0xfffff) | 0x100000; + xlo = x.lo; + sh = 1075 - ((x.hi >> 20) & 0x7ff); + + ylo = 0; + yhi = 0; + if(sh >= 0) { + /* v = (hi||lo) >> sh */ + if(sh < 32) { + if(sh == 0) { + ylo = xlo; + yhi = xhi; + } else { + ylo = (xlo >> sh) | (xhi << (32-sh)); + yhi = xhi >> sh; + } + } else { + if(sh == 32) { + ylo = xhi; + } else + if(sh < 64) { + ylo = xhi >> (sh-32); + } + } + } else { + /* v = (hi||lo) << -sh */ + sh = -sh; + if(sh <= 10) { + ylo = xlo << sh; + yhi = (xhi << sh) | (xlo >> (32-sh)); + } else { + /* overflow */ + yhi = d; /* causes something awful */ + } + } + if(x.hi & SIGN(32)) { + if(ylo != 0) { + ylo = -ylo; + yhi = ~yhi; + } else + yhi = -yhi; + } + + y->hi = yhi; + y->lo = ylo; +} + +void +_f2v(Vlong *y, float f) +{ + + _d2v(y, f); +} + +double +_v2d(Vlong x) +{ + if(x.hi & SIGN(32)) { + if(x.lo) { + x.lo = -x.lo; + x.hi = ~x.hi; + } else + x.hi = -x.hi; + return -((long)x.hi*4294967296. + x.lo); + } + return (long)x.hi*4294967296. + x.lo; +} + +float +_v2f(Vlong x) +{ + return _v2d(x); +} + +static void +dodiv(Vlong num, Vlong den, Vlong *q, Vlong *r) +{ + ulong numlo, numhi, denhi, denlo, quohi, quolo, t; + int i; + + numhi = num.hi; + numlo = num.lo; + denhi = den.hi; + denlo = den.lo; + + /* + * get a divide by zero + */ + if(denlo==0 && denhi==0) { + numlo = numlo / denlo; + } + + /* + * set up the divisor and find the number of iterations needed + */ + if(numhi >= SIGN(32)) { + quohi = SIGN(32); + quolo = 0; + } else { + quohi = numhi; + quolo = numlo; + } + i = 0; + while(denhi < quohi || (denhi == quohi && denlo < quolo)) { + denhi = (denhi<<1) | (denlo>>31); + denlo <<= 1; + i++; + } + + quohi = 0; + quolo = 0; + for(; i >= 0; i--) { + quohi = (quohi<<1) | (quolo>>31); + quolo <<= 1; + if(numhi > denhi || (numhi == denhi && numlo >= denlo)) { + t = numlo; + numlo -= denlo; + if(numlo > t) + numhi--; + numhi -= denhi; + quolo |= 1; + } + denlo = (denlo>>1) | (denhi<<31); + denhi >>= 1; + } + + if(q) { + q->lo = quolo; + q->hi = quohi; + } + if(r) { + r->lo = numlo; + r->hi = numhi; + } +} + +void +_divvu(Vlong *q, Vlong n, Vlong d) +{ + + if(n.hi == 0 && d.hi == 0) { + q->hi = 0; + q->lo = n.lo / d.lo; + return; + } + dodiv(n, d, q, 0); +} + +void +_modvu(Vlong *r, Vlong n, Vlong d) +{ + + if(n.hi == 0 && d.hi == 0) { + r->hi = 0; + r->lo = n.lo % d.lo; + return; + } + dodiv(n, d, 0, r); +} + +static void +vneg(Vlong *v) +{ + + if(v->lo == 0) { + v->hi = -v->hi; + return; + } + v->lo = -v->lo; + v->hi = ~v->hi; +} + +void +_divv(Vlong *q, Vlong n, Vlong d) +{ + long nneg, dneg; + + if(n.hi == (((long)n.lo)>>31) && d.hi == (((long)d.lo)>>31)) { + q->lo = (long)n.lo / (long)d.lo; + q->hi = ((long)q->lo) >> 31; + return; + } + nneg = n.hi >> 31; + if(nneg) + vneg(&n); + dneg = d.hi >> 31; + if(dneg) + vneg(&d); + dodiv(n, d, q, 0); + if(nneg != dneg) + vneg(q); +} + +void +_modv(Vlong *r, Vlong n, Vlong d) +{ + long nneg, dneg; + + if(n.hi == (((long)n.lo)>>31) && d.hi == (((long)d.lo)>>31)) { + r->lo = (long)n.lo % (long)d.lo; + r->hi = ((long)r->lo) >> 31; + return; + } + nneg = n.hi >> 31; + if(nneg) + vneg(&n); + dneg = d.hi >> 31; + if(dneg) + vneg(&d); + dodiv(n, d, 0, r); + if(nneg) + vneg(r); +} + +void +_rshav(Vlong *r, Vlong a, int b) +{ + long t; + + t = a.hi; + if(b >= 32) { + r->hi = t>>31; + if(b >= 64) { + /* this is illegal re C standard */ + r->lo = t>>31; + return; + } + r->lo = t >> (b-32); + return; + } + if(b <= 0) { + r->hi = t; + r->lo = a.lo; + return; + } + r->hi = t >> b; + r->lo = (t << (32-b)) | (a.lo >> b); +} + +void +_rshlv(Vlong *r, Vlong a, int b) +{ + ulong t; + + t = a.hi; + if(b >= 32) { + r->hi = 0; + if(b >= 64) { + /* this is illegal re C standard */ + r->lo = 0; + return; + } + r->lo = t >> (b-32); + return; + } + if(b <= 0) { + r->hi = t; + r->lo = a.lo; + return; + } + r->hi = t >> b; + r->lo = (t << (32-b)) | (a.lo >> b); +} + +void +_lshv(Vlong *r, Vlong a, int b) +{ + ulong t; + + t = a.lo; + if(b >= 32) { + r->lo = 0; + if(b >= 64) { + /* this is illegal re C standard */ + r->hi = 0; + return; + } + r->hi = t << (b-32); + return; + } + if(b <= 0) { + r->lo = t; + r->hi = a.hi; + return; + } + r->lo = t << b; + r->hi = (t >> (32-b)) | (a.hi << b); +} + +void +_andv(Vlong *r, Vlong a, Vlong b) +{ + r->hi = a.hi & b.hi; + r->lo = a.lo & b.lo; +} + +void +_orv(Vlong *r, Vlong a, Vlong b) +{ + r->hi = a.hi | b.hi; + r->lo = a.lo | b.lo; +} + +void +_xorv(Vlong *r, Vlong a, Vlong b) +{ + r->hi = a.hi ^ b.hi; + r->lo = a.lo ^ b.lo; +} + +void +_negv(Vlong *r, Vlong a) +{ + if(a.lo == 0) { + r->hi = -a.hi; + r->lo = 0; + return; + } + r->hi = ~a.hi; + r->lo = -a.lo; +} + +void +_vpp(Vlong *l, Vlong *r) +{ + + l->hi = r->hi; + l->lo = r->lo; + r->lo++; + if(r->lo == 0) + r->hi++; +} + +void +_vmm(Vlong *l, Vlong *r) +{ + + l->hi = r->hi; + l->lo = r->lo; + if(r->lo == 0) + r->hi--; + r->lo--; +} + +void +_ppv(Vlong *l, Vlong *r) +{ + + r->lo++; + if(r->lo == 0) + r->hi++; + l->hi = r->hi; + l->lo = r->lo; +} + +void +_mmv(Vlong *l, Vlong *r) +{ + + if(r->lo == 0) + r->hi--; + r->lo--; + l->hi = r->hi; + l->lo = r->lo; +} + +void +_vasop(Vlong *ret, void *lv, void fn(Vlong*, Vlong, Vlong), int type, Vlong rv) +{ + Vlong t, u; + + u = *ret; + switch(type) { + default: + abort(); + break; + + case 1: /* schar */ + t.lo = *(schar*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(schar*)lv = u.lo; + break; + + case 2: /* uchar */ + t.lo = *(uchar*)lv; + t.hi = 0; + fn(&u, t, rv); + *(uchar*)lv = u.lo; + break; + + case 3: /* short */ + t.lo = *(short*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(short*)lv = u.lo; + break; + + case 4: /* ushort */ + t.lo = *(ushort*)lv; + t.hi = 0; + fn(&u, t, rv); + *(ushort*)lv = u.lo; + break; + + case 9: /* int */ + t.lo = *(int*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(int*)lv = u.lo; + break; + + case 10: /* uint */ + t.lo = *(uint*)lv; + t.hi = 0; + fn(&u, t, rv); + *(uint*)lv = u.lo; + break; + + case 5: /* long */ + t.lo = *(long*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(long*)lv = u.lo; + break; + + case 6: /* ulong */ + t.lo = *(ulong*)lv; + t.hi = 0; + fn(&u, t, rv); + *(ulong*)lv = u.lo; + break; + + case 7: /* vlong */ + case 8: /* uvlong */ + fn(&u, *(Vlong*)lv, rv); + *(Vlong*)lv = u; + break; + } + *ret = u; +} + +void +_p2v(Vlong *ret, void *p) +{ + long t; + + t = (ulong)p; + ret->lo = t; + ret->hi = 0; +} + +void +_sl2v(Vlong *ret, long sl) +{ + long t; + + t = sl; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_ul2v(Vlong *ret, ulong ul) +{ + long t; + + t = ul; + ret->lo = t; + ret->hi = 0; +} + +void +_si2v(Vlong *ret, int si) +{ + long t; + + t = si; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_ui2v(Vlong *ret, uint ui) +{ + long t; + + t = ui; + ret->lo = t; + ret->hi = 0; +} + +void +_sh2v(Vlong *ret, long sh) +{ + long t; + + t = (sh << 16) >> 16; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_uh2v(Vlong *ret, ulong ul) +{ + long t; + + t = ul & 0xffff; + ret->lo = t; + ret->hi = 0; +} + +void +_sc2v(Vlong *ret, long uc) +{ + long t; + + t = (uc << 24) >> 24; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_uc2v(Vlong *ret, ulong ul) +{ + long t; + + t = ul & 0xff; + ret->lo = t; + ret->hi = 0; +} + +long +_v2sc(Vlong rv) +{ + long t; + + t = rv.lo & 0xff; + return (t << 24) >> 24; +} + +long +_v2uc(Vlong rv) +{ + + return rv.lo & 0xff; +} + +long +_v2sh(Vlong rv) +{ + long t; + + t = rv.lo & 0xffff; + return (t << 16) >> 16; +} + +long +_v2uh(Vlong rv) +{ + + return rv.lo & 0xffff; +} + +long +_v2sl(Vlong rv) +{ + + return rv.lo; +} + +long +_v2ul(Vlong rv) +{ + + return rv.lo; +} + +long +_v2si(Vlong rv) +{ + + return rv.lo; +} + +long +_v2ui(Vlong rv) +{ + + return rv.lo; +} + +int +_testv(Vlong rv) +{ + return rv.lo || rv.hi; +} + +int +_eqv(Vlong lv, Vlong rv) +{ + return lv.lo == rv.lo && lv.hi == rv.hi; +} + +int +_nev(Vlong lv, Vlong rv) +{ + return lv.lo != rv.lo || lv.hi != rv.hi; +} + +int +_ltv(Vlong lv, Vlong rv) +{ + return (long)lv.hi < (long)rv.hi || + (lv.hi == rv.hi && lv.lo < rv.lo); +} + +int +_lev(Vlong lv, Vlong rv) +{ + return (long)lv.hi < (long)rv.hi || + (lv.hi == rv.hi && lv.lo <= rv.lo); +} + +int +_gtv(Vlong lv, Vlong rv) +{ + return (long)lv.hi > (long)rv.hi || + (lv.hi == rv.hi && lv.lo > rv.lo); +} + +int +_gev(Vlong lv, Vlong rv) +{ + return (long)lv.hi > (long)rv.hi || + (lv.hi == rv.hi && lv.lo >= rv.lo); +} + +int +_lov(Vlong lv, Vlong rv) +{ + return lv.hi < rv.hi || + (lv.hi == rv.hi && lv.lo < rv.lo); +} + +int +_lsv(Vlong lv, Vlong rv) +{ + return lv.hi < rv.hi || + (lv.hi == rv.hi && lv.lo <= rv.lo); +} + +int +_hiv(Vlong lv, Vlong rv) +{ + return lv.hi > rv.hi || + (lv.hi == rv.hi && lv.lo > rv.lo); +} + +int +_hsv(Vlong lv, Vlong rv) +{ + return lv.hi > rv.hi || + (lv.hi == rv.hi && lv.lo >= rv.lo); +} diff --git a/sys/src/ape/lib/ap/alpha/_seek.c b/sys/src/ape/lib/ap/alpha/_seek.c new file mode 100755 index 000000000..7bccc0661 --- /dev/null +++ b/sys/src/ape/lib/ap/alpha/_seek.c @@ -0,0 +1,12 @@ +extern long __SEEK(long long*, int, long long, int); + +long long +_SEEK(int fd, long long o, int p) +{ + long long l; + + if(__SEEK(&l, fd, o, p) < 0) + l = -1; + return l; +} + diff --git a/sys/src/ape/lib/ap/alpha/cycles.c b/sys/src/ape/lib/ap/alpha/cycles.c new file mode 100755 index 000000000..1c32bc732 --- /dev/null +++ b/sys/src/ape/lib/ap/alpha/cycles.c @@ -0,0 +1,5 @@ +void +_cycles(unsigned long long *u) +{ + *u = 0; +} diff --git a/sys/src/ape/lib/ap/alpha/divl.s b/sys/src/ape/lib/ap/alpha/divl.s new file mode 100755 index 000000000..bce568a8e --- /dev/null +++ b/sys/src/ape/lib/ap/alpha/divl.s @@ -0,0 +1,189 @@ +/* + * ulong + * _udiv(ulong num, ulong den) + * { + * int i; + * ulong quo; + * + * if(den == 0) + * *(ulong*)-1 = 0; + * quo = num; + * if(quo > 1<<(32-1)) + * quo = 1<<(32-1); + * for(i=0; den<quo; i++) + * den <<= 1; + * quo = 0; + * for(; i>=0; i--) { + * quo <<= 1; + * if(num >= den) { + * num -= den; + * quo |= 1; + * } + * den >>= 1; + * } + * return quo::num; + * } + */ + +#define NOPROF 1 + +/* + * calling sequence: + * num: 8(R30) + * den: 12(R30) + * returns + * quo: 8(R30) + * rem: 12(R30) + */ +TEXT _udivmodl(SB), NOPROF, $-8 + + MOVQ $-1, R11 + SLLQ $31, R11 /* (1<<31) in canonical form */ + MOVL 8(R30), R23 /* numerator */ + MOVL 12(R30), R10 /* denominator */ + BNE R10, udm20 + MOVQ R31, -1(R31) /* fault -- divide by zero; todo: use gentrap? */ +udm20: + MOVQ R23, R12 + BGE R12, udm34 + MOVQ R11, R12 +udm34: + MOVQ R31, R11 +udm38: + CMPUGE R10, R12, R24 + BNE R24, udm54 + SLLL $1, R10 + ADDQ $1, R11 + JMP udm38 +udm54: + MOVQ R31, R12 +udm58: + BLT R11, udm8c + SLLL $1, R12 + CMPUGE R23, R10, R24 + BEQ R24, udm7c + SUBL R10, R23 + OR $1, R12 +udm7c: + SRLL $1, R10 + SUBQ $1, R11 + JMP udm58 +udm8c: + MOVL R12, 8(R30) /* quotient */ + MOVL R23, 12(R30) /* remainder */ + RET + +/* + * save working registers + * and bring in num/den parameters + */ +TEXT _unsargl(SB), NOPROF, $-8 + MOVQ R10, 24(R30) + MOVQ R11, 32(R30) + MOVQ R12, 40(R30) + MOVQ R23, 48(R30) + MOVQ R24, 56(R30) + + MOVL R27, 8(R30) + MOVL 72(R30), R27 + MOVL R27, 12(R30) + + RET + +/* + * save working registers + * and bring in absolute value + * of num/den parameters + */ +TEXT _absargl(SB), NOPROF, $-8 + MOVQ R10, 24(R30) + MOVQ R11, 32(R30) + MOVQ R12, 40(R30) + MOVQ R23, 48(R30) + MOVQ R24, 56(R30) + + MOVL R27, 64(R30) + BGE R27, ab1 + SUBL R27, R31, R27 +ab1: + MOVL R27, 8(R30) /* numerator */ + + MOVL 72(R30), R27 + BGE R27, ab2 + SUBL R27, R31, R27 +ab2: + MOVL R27, 12(R30) /* denominator */ + RET + +/* + * restore registers and + * return to original caller + * answer is in R27 + */ +TEXT _retargl(SB), NOPROF, $-8 + MOVQ 24(R30), R10 + MOVQ 32(R30), R11 + MOVQ 40(R30), R12 + MOVQ 48(R30), R23 + MOVQ 56(R30), R24 + MOVL 0(R30), R26 + + ADDQ $64, R30 + RET /* back to main sequence */ + +TEXT _divl(SB), NOPROF, $-8 + SUBQ $64, R30 /* 5 reg save, 2 parameters, link */ + MOVL R26, 0(R30) + + JSR _absargl(SB) + JSR _udivmodl(SB) + MOVL 8(R30), R27 + + MOVL 64(R30), R10 /* clean up the sign */ + MOVL 72(R30), R11 + XOR R11, R10 + BGE R10, div1 + SUBL R27, R31, R27 +div1: + + JSR _retargl(SB) + RET /* not executed */ + +TEXT _divlu(SB), NOPROF, $-8 + SUBQ $64, R30 /* 5 reg save, 2 parameters, link */ + MOVL R26, 0(R30) + + JSR _unsargl(SB) + JSR _udivmodl(SB) + MOVL 8(R30), R27 + + JSR _retargl(SB) + RET /* not executed */ + +TEXT _modl(SB), NOPROF, $-8 + SUBQ $64, R30 /* 5 reg save, 2 parameters, link */ + MOVL R26, 0(R30) + + JSR _absargl(SB) + JSR _udivmodl(SB) + MOVL 12(R30), R27 + + MOVL 64(R30), R10 /* clean up the sign */ + BGE R10, div2 + SUBL R27, R31, R27 +div2: + + JSR _retargl(SB) + RET /* not executed */ + +TEXT _modlu(SB), NOPROF, $-8 + SUBQ $64, R30 /* 5 reg save, 2 parameters, link */ + MOVL R26, 0(R30) + + JSR _unsargl(SB) + JSR _udivmodl(SB) + MOVL 12(R30), R27 + + JSR _retargl(SB) + RET /* not executed */ + diff --git a/sys/src/ape/lib/ap/alpha/divq.s b/sys/src/ape/lib/ap/alpha/divq.s new file mode 100755 index 000000000..98a58e4a8 --- /dev/null +++ b/sys/src/ape/lib/ap/alpha/divq.s @@ -0,0 +1,191 @@ +/* + * uvlong + * _udiv(uvlong num, uvlong den) + * { + * int i; + * uvlong quo; + * + * if(den == 0) + * *(ulong*)-1 = 0; + * quo = num; + * if(quo > 1<<(64-1)) + * quo = 1<<(64-1); + * for(i=0; den<quo; i++) + * den <<= 1; + * quo = 0; + * for(; i>=0; i--) { + * quo <<= 1; + * if(num >= den) { + * num -= den; + * quo |= 1; + * } + * den >>= 1; + * } + * return quo::num; + * } + */ + +#define NOPROF 1 + +/* + * calling sequence: + * num: 8(R30) + * den: 16(R30) + * returns + * quo: 8(R30) + * rem: 16(R30) + */ +TEXT _udivmodq(SB), NOPROF, $-8 + + MOVQ $1, R11 + SLLQ $63, R11 + MOVQ 8(R30), R23 /* numerator */ + MOVQ 16(R30), R10 /* denominator */ + BNE R10, udm20 + MOVQ R31, -1(R31) /* fault -- divide by zero; todo: use gentrap? */ +udm20: + MOVQ R23, R12 + BGE R12, udm34 + MOVQ R11, R12 +udm34: + MOVQ R31, R11 +udm38: + CMPUGE R10, R12, R24 + BNE R24, udm54 + SLLQ $1, R10 + ADDQ $1, R11 + JMP udm38 +udm54: + MOVQ R31, R12 +udm58: + BLT R11, udm8c + SLLQ $1, R12 + CMPUGE R23, R10, R24 + BEQ R24, udm7c + SUBQ R10, R23 + OR $1, R12 +udm7c: + SRLQ $1, R10 + SUBQ $1, R11 + JMP udm58 +udm8c: + MOVQ R12, 8(R30) /* quotient */ + MOVQ R23, 16(R30) /* remainder */ + RET + +/* + * save working registers + * and bring in num/den parameters + */ +TEXT _unsargq(SB), NOPROF, $-8 + MOVQ R10, 24(R30) + MOVQ R11, 32(R30) + MOVQ R12, 40(R30) + MOVQ R23, 48(R30) + MOVQ R24, 56(R30) + + MOVQ R27, 8(R30) + MOVQ 72(R30), R27 + MOVQ R27, 16(R30) + +MOVQ (R30), R10 /* debug */ + RET + +/* + * save working registers + * and bring in absolute value + * of num/den parameters + */ +TEXT _absargq(SB), NOPROF, $-8 + MOVQ R10, 24(R30) + MOVQ R11, 32(R30) + MOVQ R12, 40(R30) + MOVQ R23, 48(R30) + MOVQ R24, 56(R30) + + MOVQ R27, 64(R30) + BGE R27, ab1 + SUBQ R27, R31, R27 +ab1: + MOVQ R27, 8(R30) /* numerator */ + + MOVQ 72(R30), R27 + BGE R27, ab2 + SUBQ R27, R31, R27 +ab2: + MOVQ R27, 16(R30) /* denominator */ +MOVQ (R30), R10 /* debug */ + RET + +/* + * restore registers and + * return to original caller + * answer is in R27 + */ +TEXT _retargq(SB), NOPROF, $-8 + MOVQ 24(R30), R10 + MOVQ 32(R30), R11 + MOVQ 40(R30), R12 + MOVQ 48(R30), R23 + MOVQ 56(R30), R24 + MOVL 0(R30), R26 + + ADDQ $64, R30 + RET /* back to main sequence */ + +TEXT _divq(SB), NOPROF, $-8 + SUBQ $64, R30 /* 5 reg save, 2 parameters, link */ + MOVQ R26, 0(R30) + + JSR _absargq(SB) + JSR _udivmodq(SB) + MOVQ 8(R30), R27 + + MOVQ 64(R30), R10 /* clean up the sign */ + MOVQ 72(R30), R11 + XOR R11, R10 + BGE R10, div1 + SUBQ R27, R31, R27 +div1: + + JSR _retargq(SB) + RET /* not executed */ + +TEXT _divqu(SB), NOPROF, $-8 + SUBQ $64, R30 /* 5 reg save, 2 parameters, link */ + MOVQ R26, 0(R30) + + JSR _unsargq(SB) + JSR _udivmodq(SB) + MOVQ 8(R30), R27 + + JSR _retargq(SB) + RET /* not executed */ + +TEXT _modq(SB), NOPROF, $-8 + SUBQ $64, R30 /* 5 reg save, 2 parameters, link */ + MOVQ R26, 0(R30) + + JSR _absargq(SB) + JSR _udivmodq(SB) + MOVQ 16(R30), R27 + + MOVQ 64(R30), R10 /* clean up the sign */ + BGE R10, div2 + SUBQ R27, R31, R27 +div2: + + JSR _retargq(SB) + RET /* not executed */ + +TEXT _modqu(SB), NOPROF, $-8 + SUBQ $64, R30 /* 5 reg save, 2 parameters, link */ + MOVQ R26, 0(R30) + + JSR _unsargq(SB) + JSR _udivmodq(SB) + MOVQ 16(R30), R27 + + JSR _retargq(SB) + RET /* not executed */ + diff --git a/sys/src/ape/lib/ap/alpha/getfcr.s b/sys/src/ape/lib/ap/alpha/getfcr.s new file mode 100755 index 000000000..e3c9f02d8 --- /dev/null +++ b/sys/src/ape/lib/ap/alpha/getfcr.s @@ -0,0 +1,33 @@ +TEXT getfsr(SB), $8 + TRAPB + MOVT FPCR, F0 + TRAPB + MOVT F0, tmp-8(SP) + MOVL tmp-4(SP), R0 + RET + +TEXT setfsr(SB), $8 + SLLQ $32, R0 + MOVQ R0, tmp-8(SP) + MOVT tmp-8(SP), F0 + TRAPB + MOVT F0, FPCR + TRAPB + RET + +TEXT getfcr(SB), $8 + TRAPB + MOVT FPCR, F0 + TRAPB + MOVT F0, tmp-8(SP) + MOVL tmp-4(SP), R0 + RET + +TEXT setfcr(SB), $8 + SLLQ $32, R0 + MOVQ R0, tmp-8(SP) + MOVT tmp-8(SP), F0 + TRAPB + MOVT F0, FPCR + TRAPB + RET diff --git a/sys/src/ape/lib/ap/alpha/lock.c b/sys/src/ape/lib/ap/alpha/lock.c new file mode 100755 index 000000000..91c0ba233 --- /dev/null +++ b/sys/src/ape/lib/ap/alpha/lock.c @@ -0,0 +1,26 @@ +#define _LOCK_EXTENSION +#include "../plan9/sys9.h" +#include <lock.h> + +int tas(int*); + +void +lock(Lock *lk) +{ + while(tas(&lk->val)) + _SLEEP(0); +} + +int +canlock(Lock *lk) +{ + if(tas(&lk->val)) + return 0; + return 1; +} + +void +unlock(Lock *lk) +{ + lk->val = 0; +} diff --git a/sys/src/ape/lib/ap/alpha/main9.s b/sys/src/ape/lib/ap/alpha/main9.s new file mode 100755 index 000000000..43bdd7bd6 --- /dev/null +++ b/sys/src/ape/lib/ap/alpha/main9.s @@ -0,0 +1,15 @@ +TEXT _main(SB), 1, $16 + + MOVQ $setSB(SB), R29 + JSR _envsetup(SB) + MOVL inargc-8(FP), R0 + MOVL $inargv-4(FP), R1 + MOVL R0, 8(R30) + MOVL R1, 12(R30) + JSR main(SB) +loop: + MOVL R0, 8(R30) + JSR exit(SB) + MOVQ $_divq(SB), R31 /* force loading of divq */ + MOVQ $_divl(SB), R31 /* force loading of divl */ + JMP loop diff --git a/sys/src/ape/lib/ap/alpha/main9p.s b/sys/src/ape/lib/ap/alpha/main9p.s new file mode 100755 index 000000000..3312100cd --- /dev/null +++ b/sys/src/ape/lib/ap/alpha/main9p.s @@ -0,0 +1,48 @@ +#define NPRIVATES 16 + +GLOBL _tos(SB), $4 +GLOBL _privates(SB), $4 +GLOBL _nprivates(SB), $4 + +TEXT _mainp(SB), 1, $(3*4+NPRIVATES*4) + MOVQ $setSB(SB), R29 + + /* _tos = arg */ + MOVL R0, _tos(SB) + MOVQ $8(SP), R1 + MOVL R1, _privates(SB) + MOVQ $NPRIVATES, R1 + MOVL R1, _nprivates(SB) + + /* _profmain(); */ + JSR _profmain(SB) + + /* _tos->prof.pp = _tos->prof.next; */ + MOVL _tos+0(SB), R1 + MOVL 4(R1), R2 + MOVL R2, 0(R1) + + JSR _envsetup(SB) + + /* main(argc, argv, environ); */ + MOVL inargc-4(FP), R0 + MOVL $inargv+0(FP), R1 + MOVL environ(SB), R2 + MOVL R0, 8(R30) + MOVL R1, 12(R30) + MOVL R2, 16(R30) + JSR main(SB) +loop: + MOVL R0, 8(R30) + JSR exit(SB) + MOVQ $_divq(SB), R31 /* force loading of divq */ + MOVQ $_divl(SB), R31 /* force loading of divl */ + MOVQ $_profin(SB), R31 /* force loading of profile */ + JMP loop + +TEXT _savearg(SB), 1, $0 + RET + +TEXT _callpc(SB), 1, $0 + MOVL argp-8(FP), R0 + RET diff --git a/sys/src/ape/lib/ap/alpha/memcpy.c b/sys/src/ape/lib/ap/alpha/memcpy.c new file mode 100755 index 000000000..7bbb55c6e --- /dev/null +++ b/sys/src/ape/lib/ap/alpha/memcpy.c @@ -0,0 +1,7 @@ +#include <string.h> + +void* +memcpy(void *a1, const void *a2, size_t n) +{ + return memmove(a1, a2, n); +} diff --git a/sys/src/ape/lib/ap/alpha/memmove.s b/sys/src/ape/lib/ap/alpha/memmove.s new file mode 100755 index 000000000..0fafb752d --- /dev/null +++ b/sys/src/ape/lib/ap/alpha/memmove.s @@ -0,0 +1,197 @@ +#define QUAD 8 +#define ALIGN 64 +#define BLOCK 64 + +TEXT memmove(SB), $0 + MOVL from+4(FP), R7 + MOVL n+8(FP), R10 + MOVQ R0, R6 + + CMPUGE R7, R0, R5 + BNE R5, _forward + + MOVQ R6, R8 /* end to address */ + ADDL R10, R6, R6 /* to+n */ + ADDL R10, R7, R7 /* from+n */ + + CMPUGE $ALIGN, R10, R1 /* need at least ALIGN bytes */ + BNE R1, _b1tail + +_balign: + AND $(ALIGN-1), R6, R1 + BEQ R1, _baligned + + MOVBU -1(R7), R2 + ADDL $-1, R6, R6 + MOVB R2, (R6) + ADDL $-1, R7, R7 + JMP _balign + +_baligned: + AND $(QUAD-1), R7, R1 /* is the source quad-aligned */ + BNE R1, _bunaligned + + ADDL $(BLOCK-1), R8, R9 +_bblock: + CMPUGE R9, R6, R1 + BNE R1, _b8tail + + MOVQ -64(R7), R22 + MOVQ -56(R7), R23 + MOVQ -48(R7), R24 + MOVQ -40(R7), R25 + MOVQ -32(R7), R2 + MOVQ -24(R7), R3 + MOVQ -16(R7), R4 + MOVQ -8(R7), R5 + + SUBL $64, R6, R6 + SUBL $64, R7, R7 + + MOVQ R22, (R6) + MOVQ R23, 8(R6) + MOVQ R24, 16(R6) + MOVQ R25, 24(R6) + MOVQ R2, 32(R6) + MOVQ R3, 40(R6) + MOVQ R4, 48(R6) + MOVQ R5, 56(R6) + JMP _bblock + +_b8tail: + ADDL $(QUAD-1), R8, R9 +_b8block: + CMPUGE R9, R6, R1 + BNE R1, _b1tail + + MOVQ -8(R7), R2 + SUBL $8, R6 + MOVQ R2, (R6) + SUBL $8, R7 + JMP _b8block + +_b1tail: + CMPUGE R8, R6, R1 + BNE R1, _ret + + MOVBU -1(R7), R2 + SUBL $1, R6, R6 + MOVB R2, (R6) + SUBL $1, R7, R7 + JMP _b1tail +_ret: + RET + +_bunaligned: + ADDL $(16-1), R8, R9 + +_bu8block: + CMPUGE R9, R6, R1 + BNE R1, _b1tail + + MOVQU -16(R7), R4 + MOVQU -8(R7), R3 + MOVQU (R7), R2 + SUBL $16, R6 + EXTQH R7, R2, R2 + EXTQL R7, R3, R5 + OR R5, R2, R11 + EXTQH R7, R3, R3 + EXTQL R7, R4, R4 + OR R3, R4, R13 + MOVQ R11, 8(R6) + MOVQ R13, (R6) + SUBL $16, R7 + JMP _bu8block + +_forward: + ADDL R10, R6, R8 /* end to address */ + + CMPUGE $ALIGN, R10, R1 /* need at least ALIGN bytes */ + BNE R1, _f1tail + +_falign: + AND $(ALIGN-1), R6, R1 + BEQ R1, _faligned + + MOVBU (R7), R2 + ADDL $1, R6, R6 + ADDL $1, R7, R7 + MOVB R2, -1(R6) + JMP _falign + +_faligned: + AND $(QUAD-1), R7, R1 /* is the source quad-aligned */ + BNE R1, _funaligned + + SUBL $(BLOCK-1), R8, R9 +_fblock: + CMPUGT R9, R6, R1 + BEQ R1, _f8tail + + MOVQ (R7), R2 + MOVQ 8(R7), R3 + MOVQ 16(R7), R4 + MOVQ 24(R7), R5 + MOVQ 32(R7), R22 + MOVQ 40(R7), R23 + MOVQ 48(R7), R24 + MOVQ 56(R7), R25 + + ADDL $64, R6, R6 + ADDL $64, R7, R7 + + MOVQ R2, -64(R6) + MOVQ R3, -56(R6) + MOVQ R4, -48(R6) + MOVQ R5, -40(R6) + MOVQ R22, -32(R6) + MOVQ R23, -24(R6) + MOVQ R24, -16(R6) + MOVQ R25, -8(R6) + JMP _fblock + +_f8tail: + SUBL $(QUAD-1), R8, R9 +_f8block: + CMPUGT R9, R6, R1 + BEQ R1, _f1tail + + MOVQ (R7), R2 + ADDL $8, R6 + ADDL $8, R7 + MOVQ R2, -8(R6) + JMP _f8block + +_f1tail: + CMPUGT R8, R6, R1 + BEQ R1, _fret + MOVBU (R7), R2 + ADDL $1, R6, R6 + ADDL $1, R7, R7 + MOVB R2, -1(R6) + JMP _f1tail + +_fret: + RET + +_funaligned: + SUBL $(16-1), R8, R9 +_fu8block: + CMPUGT R9, R6, R1 + BEQ R1, _f1tail + + MOVQU (R7), R2 + MOVQU 8(R7), R3 + MOVQU 16(R7), R4 + EXTQL R7, R2, R2 + EXTQH R7, R3, R5 + OR R5, R2, R11 + EXTQL R7, R3, R3 + MOVQ R11, (R6) + EXTQH R7, R4, R4 + OR R3, R4, R11 + MOVQ R11, 8(R6) + ADDL $16, R6 + ADDL $16, R7 + JMP _fu8block diff --git a/sys/src/ape/lib/ap/alpha/memset.s b/sys/src/ape/lib/ap/alpha/memset.s new file mode 100755 index 000000000..e3cfd468b --- /dev/null +++ b/sys/src/ape/lib/ap/alpha/memset.s @@ -0,0 +1,61 @@ +TEXT memset(SB), $0 + MOVL R0, R6 + MOVBU data+4(FP), R2 + MOVL n+8(FP), R10 + + ADDL R10, R0, R8 + + CMPUGE $8, R10, R1 /* need at least 8 bytes */ + BNE R1, _1loop + + SLLQ $8, R2, R1 /* replicate the byte */ + OR R1, R2 + SLLQ $16, R2, R1 + OR R1, R2 + SLLQ $32, R2, R1 + OR R1, R2 + +_align: + AND $(8-1), R6, R1 + BEQ R1, _aligned + + MOVB R2, (R6) + ADDL $1, R6, R6 + JMP _align + +_aligned: + SUBL $(64-1), R8, R9 /* end pointer minus slop */ +_64loop: + CMPUGT R9, R6, R1 + BEQ R1, _8tail + + MOVQ R2, (R6) + MOVQ R2, 8(R6) + MOVQ R2, 16(R6) + MOVQ R2, 24(R6) + MOVQ R2, 32(R6) + MOVQ R2, 40(R6) + MOVQ R2, 48(R6) + MOVQ R2, 56(R6) + ADDL $64, R6, R6 + JMP _64loop + +_8tail: + SUBL $(8-1), R8, R9 +_8loop: + CMPUGT R9, R6, R1 + BEQ R1, _1loop + + MOVQ R2, (R6) + ADDL $8, R6 + JMP _8loop + +_1loop: + CMPUGT R8, R6, R1 + BEQ R1, _ret + MOVB R2, (R6) + ADDL $1, R6 + JMP _1loop + +_ret: + RET diff --git a/sys/src/ape/lib/ap/alpha/mkfile b/sys/src/ape/lib/ap/alpha/mkfile new file mode 100755 index 000000000..6a1c3ca60 --- /dev/null +++ b/sys/src/ape/lib/ap/alpha/mkfile @@ -0,0 +1,23 @@ +APE=/sys/src/ape +<$APE/config +LIB=/$objtype/lib/ape/libap.a +OFILES=\ + _seek.$O\ + cycles.$O\ + divl.$O\ + divq.$O\ + getfcr.$O\ + lock.$O\ + main9.$O\ + main9p.$O\ + memcpy.$O\ + memmove.$O\ + memset.$O\ + notetramp.$O\ + setjmp.$O\ + tas.$O\ + +</sys/src/cmd/mksyslib + +CFLAGS=-c -D_POSIX_SOURCE -D_PLAN9_SOURCE + diff --git a/sys/src/ape/lib/ap/alpha/notetramp.c b/sys/src/ape/lib/ap/alpha/notetramp.c new file mode 100755 index 000000000..6b1be6641 --- /dev/null +++ b/sys/src/ape/lib/ap/alpha/notetramp.c @@ -0,0 +1,72 @@ +#include "../plan9/lib.h" +#include "../plan9/sys9.h" +#include <signal.h> +#include <setjmp.h> + +/* A stack to hold pcs when signals nest */ +#define MAXSIGSTACK 20 +typedef struct Pcstack Pcstack; +static struct Pcstack { + int sig; + void (*hdlr)(int, char*, Ureg*); + unsigned long restorepc; + Ureg *u; +} pcstack[MAXSIGSTACK]; +static int nstack = 0; + +static void notecont(Ureg*, char*); + +void +_notetramp(int sig, void (*hdlr)(int, char*, Ureg*), Ureg *u) +{ + Pcstack *p; + + if(nstack >= MAXSIGSTACK) + _NOTED(1); /* nesting too deep; just do system default */ + p = &pcstack[nstack]; + p->restorepc = u->pc; + p->sig = sig; + p->hdlr = hdlr; + p->u = u; + nstack++; + u->pc = (unsigned long) notecont; + _NOTED(2); /* NSAVE: clear note but hold state */ +} + +static void +notecont(Ureg *u, char *s) +{ + Pcstack *p; + void(*f)(int, char*, Ureg*); + + p = &pcstack[nstack-1]; + f = p->hdlr; + u->pc = p->restorepc; + nstack--; + (*f)(p->sig, s, u); + _NOTED(3); /* NRSTR */ +} + +#define JMPBUFPC 1 +#define JMPBUFSP 0 + +extern sigset_t _psigblocked; + +void +siglongjmp(sigjmp_buf j, int ret) +{ + struct Ureg *u; + + if(j[0]) + _psigblocked = j[1]; + if(nstack == 0 || pcstack[nstack-1].u->sp > j[2+JMPBUFSP]) + longjmp(j+2, ret); + u = pcstack[nstack-1].u; + nstack--; + u->r0 = ret; + if(ret == 0) + u->r0 = 1; + u->pc = j[2+JMPBUFPC]; + u->sp = j[2+JMPBUFSP]; + _NOTED(3); /* NRSTR */ +} diff --git a/sys/src/ape/lib/ap/alpha/setjmp.s b/sys/src/ape/lib/ap/alpha/setjmp.s new file mode 100755 index 000000000..3289029a7 --- /dev/null +++ b/sys/src/ape/lib/ap/alpha/setjmp.s @@ -0,0 +1,24 @@ +TEXT setjmp(SB), 1, $-8 + MOVL R30, (R0) + MOVL R26, 4(R0) + MOVQ $0, R0 + RET + +TEXT sigsetjmp(SB), 1, $-8 + MOVL savemask+4(FP), R3 + MOVL R3, 0(R0) + MOVL $_psigblocked(SB), R3 + MOVL R3, 4(R0) + MOVL R30, 8(R0) + MOVL R26, 12(R0) + MOVQ $0, R0 + RET + +TEXT longjmp(SB), 1, $-8 + MOVL r+4(FP), R3 + BNE R3, ok /* ansi: "longjmp(0) => longjmp(1)" */ + MOVQ $1, R3 /* bless their pointed heads */ +ok: MOVL (R0), R30 + MOVL 4(R0), R26 + MOVL R3, R0 + RET diff --git a/sys/src/ape/lib/ap/alpha/tas.s b/sys/src/ape/lib/ap/alpha/tas.s new file mode 100755 index 000000000..8b3164c3a --- /dev/null +++ b/sys/src/ape/lib/ap/alpha/tas.s @@ -0,0 +1,10 @@ +TEXT tas(SB), $-8 + MOVQ R0, R1 /* l */ +tas1: + MOVLL (R1), R0 /* l->key */ + BNE R0, tas2 + MOVQ $1, R2 + MOVLC R2, (R1) /* l->key = 1 */ + BEQ R2, tas1 /* write failed, try again? */ +tas2: + RET diff --git a/sys/src/ape/lib/ap/arm/cycles.c b/sys/src/ape/lib/ap/arm/cycles.c new file mode 100755 index 000000000..1c32bc732 --- /dev/null +++ b/sys/src/ape/lib/ap/arm/cycles.c @@ -0,0 +1,5 @@ +void +_cycles(unsigned long long *u) +{ + *u = 0; +} diff --git a/sys/src/ape/lib/ap/arm/div.s b/sys/src/ape/lib/ap/arm/div.s new file mode 100755 index 000000000..2f7699c50 --- /dev/null +++ b/sys/src/ape/lib/ap/arm/div.s @@ -0,0 +1,118 @@ +Q = 0 +N = 1 +D = 2 +CC = 3 +TMP = 11 + +TEXT save<>(SB), 1, $0 + MOVW R(Q), 0(FP) + MOVW R(N), 4(FP) + MOVW R(D), 8(FP) + MOVW R(CC), 12(FP) + + MOVW R(TMP), R(Q) /* numerator */ + MOVW 20(FP), R(D) /* denominator */ + CMP $0, R(D) + BNE s1 + MOVW -1(R(D)), R(TMP) /* divide by zero fault */ +s1: RET + +TEXT rest<>(SB), 1, $0 + MOVW 0(FP), R(Q) + MOVW 4(FP), R(N) + MOVW 8(FP), R(D) + MOVW 12(FP), R(CC) +/* + * return to caller + * of rest<> + */ + MOVW 0(R13), R14 + ADD $20, R13 + B (R14) + +TEXT div<>(SB), 1, $0 + MOVW $32, R(CC) +/* + * skip zeros 8-at-a-time + */ +e1: + AND.S $(0xff<<24),R(Q), R(N) + BNE e2 + SLL $8, R(Q) + SUB.S $8, R(CC) + BNE e1 + RET +e2: + MOVW $0, R(N) + +loop: +/* + * shift R(N||Q) left one + */ + SLL $1, R(N) + CMP $0, R(Q) + ORR.LT $1, R(N) + SLL $1, R(Q) + +/* + * compare numerator to denominator + * if less, subtract and set quotent bit + */ + CMP R(D), R(N) + ORR.HS $1, R(Q) + SUB.HS R(D), R(N) + SUB.S $1, R(CC) + BNE loop + RET + +TEXT _div(SB), 1, $16 + BL save<>(SB) + CMP $0, R(Q) + BGE d1 + RSB $0, R(Q), R(Q) + CMP $0, R(D) + BGE d2 + RSB $0, R(D), R(D) +d0: + BL div<>(SB) /* none/both neg */ + MOVW R(Q), R(TMP) + B out +d1: + CMP $0, R(D) + BGE d0 + RSB $0, R(D), R(D) +d2: + BL div<>(SB) /* one neg */ + RSB $0, R(Q), R(TMP) + B out + +TEXT _mod(SB), 1, $16 + BL save<>(SB) + CMP $0, R(D) + RSB.LT $0, R(D), R(D) + CMP $0, R(Q) + BGE m1 + RSB $0, R(Q), R(Q) + BL div<>(SB) /* neg numerator */ + RSB $0, R(N), R(TMP) + B out +m1: + BL div<>(SB) /* pos numerator */ + MOVW R(N), R(TMP) + B out + +TEXT _divu(SB), 1, $16 + BL save<>(SB) + BL div<>(SB) + MOVW R(Q), R(TMP) + B out + +TEXT _modu(SB), 1, $16 + BL save<>(SB) + BL div<>(SB) + MOVW R(N), R(TMP) + B out + +out: + BL rest<>(SB) + B out diff --git a/sys/src/ape/lib/ap/arm/getfcr.s b/sys/src/ape/lib/ap/arm/getfcr.s new file mode 100755 index 000000000..b27c7f082 --- /dev/null +++ b/sys/src/ape/lib/ap/arm/getfcr.s @@ -0,0 +1,16 @@ + +TEXT setfcr(SB), $4 + MOVW R0, FPCR + RET + +TEXT getfcr(SB), $4 + MOVW FPCR, R0 + RET + +TEXT getfsr(SB), $0 + MOVW FPSR, R0 + RET + +TEXT setfsr(SB), $0 + MOVW R0, FPSR + RET diff --git a/sys/src/ape/lib/ap/arm/lock.c b/sys/src/ape/lib/ap/arm/lock.c new file mode 100755 index 000000000..91c0ba233 --- /dev/null +++ b/sys/src/ape/lib/ap/arm/lock.c @@ -0,0 +1,26 @@ +#define _LOCK_EXTENSION +#include "../plan9/sys9.h" +#include <lock.h> + +int tas(int*); + +void +lock(Lock *lk) +{ + while(tas(&lk->val)) + _SLEEP(0); +} + +int +canlock(Lock *lk) +{ + if(tas(&lk->val)) + return 0; + return 1; +} + +void +unlock(Lock *lk) +{ + lk->val = 0; +} diff --git a/sys/src/ape/lib/ap/arm/main9.s b/sys/src/ape/lib/ap/arm/main9.s new file mode 100755 index 000000000..cd04bea17 --- /dev/null +++ b/sys/src/ape/lib/ap/arm/main9.s @@ -0,0 +1,17 @@ +arg=0 +sp=13 +sb=12 + +TEXT _main(SB), 1, $16 + MOVW $setR12(SB), R(sb) + BL _envsetup(SB) + MOVW $inargv+0(FP), R(arg) + MOVW R(arg), 8(R(sp)) + MOVW inargc-4(FP), R(arg) + MOVW R(arg), 4(R(sp)) + BL main(SB) +loop: + MOVW R(arg), 4(R(sp)) + BL exit(SB) + BL _div(SB) + B loop diff --git a/sys/src/ape/lib/ap/arm/main9p.s b/sys/src/ape/lib/ap/arm/main9p.s new file mode 100755 index 000000000..f5dc65344 --- /dev/null +++ b/sys/src/ape/lib/ap/arm/main9p.s @@ -0,0 +1,52 @@ +arg=0 +sp=13 +sb=12 + +#define NPRIVATES 16 + +GLOBL _tos(SB), $4 +GLOBL _privates(SB), $4 +GLOBL _nprivates(SB), $4 + +TEXT _mainp(SB), 1, $(3*4+NPRIVATES*4) + + MOVW $setR12(SB), R(sb) + + /* _tos = arg */ + MOVW R(arg), _tos(SB) + MOVW $private+8(SP), R1 + MOVW R1, _privates(SB) + MOVW $NPRIVATES, R1 + MOVW R1, _nprivates(SB) + + /* _profmain(); */ + BL _profmain(SB) + + /* _tos->prof.pp = _tos->prof.next; */ + MOVW _tos+0(SB),R1 + MOVW 4(R1), R2 + MOVW R2, 0(R1) + + BL _envsetup(SB) + + /* main(argc, argv, environ); */ + MOVW $inargv+0(FP), R(arg) + MOVW R(arg), 8(R(sp)) + MOVW inargc-4(FP), R(arg) + MOVW R(arg), 4(R(sp)) + MOVW environ(SB), R(arg) + MOVW R(arg), 8(R(sp)) + BL main(SB) +loop: + MOVW R(arg), 4(R(sp)) + BL exit(SB) + MOVW $_div(SB), R(arg) /* force loading of div */ + MOVW $_profin(SB), R(arg) /* force loading of profile */ + B loop + +TEXT _savearg(SB), 1, $0 + RET + +TEXT _callpc(SB), 1, $0 + MOVW argp-4(FP), R(arg) + RET diff --git a/sys/src/ape/lib/ap/arm/memmove.s b/sys/src/ape/lib/ap/arm/memmove.s new file mode 100755 index 000000000..346a23d72 --- /dev/null +++ b/sys/src/ape/lib/ap/arm/memmove.s @@ -0,0 +1,212 @@ +TS = 0 +TE = 1 +FROM = 2 +N = 3 +TMP = 3 /* N and TMP don't overlap */ +TMP1 = 4 + +TEXT memcpy(SB), $-4 + B _memmove +TEXT memmove(SB), $-4 +_memmove: + MOVW R(TS), to+0(FP) /* need to save for return value */ + MOVW from+4(FP), R(FROM) + MOVW n+8(FP), R(N) + + ADD R(N), R(TS), R(TE) /* to end pointer */ + + CMP R(FROM), R(TS) + BLS _forward + +_back: + ADD R(N), R(FROM) /* from end pointer */ + CMP $4, R(N) /* need at least 4 bytes to copy */ + BLT _b1tail + +_b4align: /* align destination on 4 */ + AND.S $3, R(TE), R(TMP) + BEQ _b4aligned + + MOVBU.W -1(R(FROM)), R(TMP) /* pre-indexed */ + MOVBU.W R(TMP), -1(R(TE)) /* pre-indexed */ + B _b4align + +_b4aligned: /* is source now aligned? */ + AND.S $3, R(FROM), R(TMP) + BNE _bunaligned + + ADD $31, R(TS), R(TMP) /* do 32-byte chunks if possible */ +_b32loop: + CMP R(TMP), R(TE) + BLS _b4tail + + MOVM.DB.W (R(FROM)), [R4-R7] + MOVM.DB.W [R4-R7], (R(TE)) + MOVM.DB.W (R(FROM)), [R4-R7] + MOVM.DB.W [R4-R7], (R(TE)) + B _b32loop + +_b4tail: /* do remaining words if possible */ + ADD $3, R(TS), R(TMP) +_b4loop: + CMP R(TMP), R(TE) + BLS _b1tail + + MOVW.W -4(R(FROM)), R(TMP1) /* pre-indexed */ + MOVW.W R(TMP1), -4(R(TE)) /* pre-indexed */ + B _b4loop + +_b1tail: /* remaining bytes */ + CMP R(TE), R(TS) + BEQ _return + + MOVBU.W -1(R(FROM)), R(TMP) /* pre-indexed */ + MOVBU.W R(TMP), -1(R(TE)) /* pre-indexed */ + B _b1tail + +_forward: + CMP $4, R(N) /* need at least 4 bytes to copy */ + BLT _f1tail + +_f4align: /* align destination on 4 */ + AND.S $3, R(TS), R(TMP) + BEQ _f4aligned + + MOVBU.P 1(R(FROM)), R(TMP) /* implicit write back */ + MOVBU.P R(TMP), 1(R(TS)) /* implicit write back */ + B _f4align + +_f4aligned: /* is source now aligned? */ + AND.S $3, R(FROM), R(TMP) + BNE _funaligned + + SUB $31, R(TE), R(TMP) /* do 32-byte chunks if possible */ +_f32loop: + CMP R(TMP), R(TS) + BHS _f4tail + + MOVM.IA.W (R(FROM)), [R4-R7] + MOVM.IA.W [R4-R7], (R(TS)) + MOVM.IA.W (R(FROM)), [R4-R7] + MOVM.IA.W [R4-R7], (R(TS)) + B _f32loop + +_f4tail: + SUB $3, R(TE), R(TMP) /* do remaining words if possible */ +_f4loop: + CMP R(TMP), R(TS) + BHS _f1tail + + MOVW.P 4(R(FROM)), R(TMP1) /* implicit write back */ + MOVW.P R4, 4(R(TS)) /* implicit write back */ + B _f4loop + +_f1tail: + CMP R(TS), R(TE) + BEQ _return + + MOVBU.P 1(R(FROM)), R(TMP) /* implicit write back */ + MOVBU.P R(TMP), 1(R(TS)) /* implicit write back */ + B _f1tail + +_return: + MOVW to+0(FP), R0 + RET + +RSHIFT = 4 +LSHIFT = 5 +OFFSET = 11 + +BR0 = 6 +BW0 = 7 +BR1 = 7 +BW1 = 8 + +_bunaligned: + CMP $2, R(TMP) /* is R(TMP) < 2 ? */ + + MOVW.LT $8, R(RSHIFT) /* (R(n)<<24)|(R(n-1)>>8) */ + MOVW.LT $24, R(LSHIFT) + MOVW.LT $1, R(OFFSET) + + MOVW.EQ $16, R(RSHIFT) /* (R(n)<<16)|(R(n-1)>>16) */ + MOVW.EQ $16, R(LSHIFT) + MOVW.EQ $2, R(OFFSET) + + MOVW.GT $24, R(RSHIFT) /* (R(n)<<8)|(R(n-1)>>24) */ + MOVW.GT $8, R(LSHIFT) + MOVW.GT $3, R(OFFSET) + + ADD $8, R(TS), R(TMP) /* do 8-byte chunks if possible */ + CMP R(TMP), R(TE) + BLS _b1tail + + BIC $3, R(FROM) /* align source */ + MOVW (R(FROM)), R(BR0) /* prime first block register */ + +_bu8loop: + CMP R(TMP), R(TE) + BLS _bu1tail + + MOVW R(BR0)<<R(LSHIFT), R(BW1) + MOVM.DB.W (R(FROM)), [R(BR0)-R(BR1)] + ORR R(BR1)>>R(RSHIFT), R(BW1) + + MOVW R(BR1)<<R(LSHIFT), R(BW0) + ORR R(BR0)>>R(RSHIFT), R(BW0) + + MOVM.DB.W [R(BW0)-R(BW1)], (R(TE)) + B _bu8loop + +_bu1tail: + ADD R(OFFSET), R(FROM) + B _b1tail + +RSHIFT = 4 +LSHIFT = 5 +OFFSET = 11 + +FW0 = 6 +FR0 = 7 +FW1 = 7 +FR1 = 8 + +_funaligned: + CMP $2, R(TMP) + + MOVW.LT $8, R(RSHIFT) /* (R(n+1)<<24)|(R(n)>>8) */ + MOVW.LT $24, R(LSHIFT) + MOVW.LT $3, R(OFFSET) + + MOVW.EQ $16, R(RSHIFT) /* (R(n+1)<<16)|(R(n)>>16) */ + MOVW.EQ $16, R(LSHIFT) + MOVW.EQ $2, R(OFFSET) + + MOVW.GT $24, R(RSHIFT) /* (R(n+1)<<8)|(R(n)>>24) */ + MOVW.GT $8, R(LSHIFT) + MOVW.GT $1, R(OFFSET) + + SUB $8, R(TE), R(TMP) /* do 8-byte chunks if possible */ + CMP R(TMP), R(TS) + BHS _f1tail + + BIC $3, R(FROM) /* align source */ + MOVW.P 4(R(FROM)), R(FR1) /* prime last block register, implicit write back */ + +_fu8loop: + CMP R(TMP), R(TS) + BHS _fu1tail + + MOVW R(FR1)>>R(RSHIFT), R(FW0) + MOVM.IA.W (R(FROM)), [R(FR0)-R(FR1)] + ORR R(FR0)<<R(LSHIFT), R(FW0) + + MOVW R(FR0)>>R(RSHIFT), R(FW1) + ORR R(FR1)<<R(LSHIFT), R(FW1) + + MOVM.IA.W [R(FW0)-R(FW1)], (R(TS)) + B _fu8loop + +_fu1tail: + SUB R(OFFSET), R(FROM) + B _f1tail diff --git a/sys/src/ape/lib/ap/arm/memset.s b/sys/src/ape/lib/ap/arm/memset.s new file mode 100755 index 000000000..7ebbb44c3 --- /dev/null +++ b/sys/src/ape/lib/ap/arm/memset.s @@ -0,0 +1,60 @@ +TO = 1 +TOE = 2 +N = 3 +TMP = 3 /* N and TMP don't overlap */ + +TEXT memset(SB), $0 + MOVW R0, R(TO) + MOVW data+4(FP), R(4) + MOVW n+8(FP), R(N) + + ADD R(N), R(TO), R(TOE) /* to end pointer */ + + CMP $4, R(N) /* need at least 4 bytes to copy */ + BLT _1tail + + AND $0xFF, R(4) + ORR R(4)<<8, R(4) + ORR R(4)<<16, R(4) /* replicate to word */ + +_4align: /* align on 4 */ + AND.S $3, R(TO), R(TMP) + BEQ _4aligned + + MOVBU.P R(4), 1(R(TO)) /* implicit write back */ + B _4align + +_4aligned: + SUB $15, R(TOE), R(TMP) /* do 16-byte chunks if possible */ + CMP R(TMP), R(TO) + BHS _4tail + + MOVW R4, R5 /* replicate */ + MOVW R4, R6 + MOVW R4, R7 + +_f16loop: + CMP R(TMP), R(TO) + BHS _4tail + + MOVM.IA.W [R4-R7], (R(TO)) + B _f16loop + +_4tail: + SUB $3, R(TOE), R(TMP) /* do remaining words if possible */ +_4loop: + CMP R(TMP), R(TO) + BHS _1tail + + MOVW.P R(4), 4(R(TO)) /* implicit write back */ + B _4loop + +_1tail: + CMP R(TO), R(TOE) + BEQ _return + + MOVBU.P R(4), 1(R(TO)) /* implicit write back */ + B _1tail + +_return: + RET diff --git a/sys/src/ape/lib/ap/arm/mkfile b/sys/src/ape/lib/ap/arm/mkfile new file mode 100755 index 000000000..f65e34395 --- /dev/null +++ b/sys/src/ape/lib/ap/arm/mkfile @@ -0,0 +1,25 @@ +APE=/sys/src/ape +<$APE/config +LIB=/$objtype/lib/ape/libap.a +OFILES=\ + cycles.$O\ + div.$O\ + getfcr.$O\ + lock.$O\ + main9.$O\ + main9p.$O\ + memmove.$O\ + memset.$O\ + notetramp.$O\ + setjmp.$O\ + strchr.$O\ + strcmp.$O\ + strcpy.$O\ + tas.$O\ + vlop.$O\ + vlrt.$O\ + +</sys/src/cmd/mksyslib + +CFLAGS=-c -D_POSIX_SOURCE -D_PLAN9_SOURCE + diff --git a/sys/src/ape/lib/ap/arm/notetramp.c b/sys/src/ape/lib/ap/arm/notetramp.c new file mode 100755 index 000000000..6b1be6641 --- /dev/null +++ b/sys/src/ape/lib/ap/arm/notetramp.c @@ -0,0 +1,72 @@ +#include "../plan9/lib.h" +#include "../plan9/sys9.h" +#include <signal.h> +#include <setjmp.h> + +/* A stack to hold pcs when signals nest */ +#define MAXSIGSTACK 20 +typedef struct Pcstack Pcstack; +static struct Pcstack { + int sig; + void (*hdlr)(int, char*, Ureg*); + unsigned long restorepc; + Ureg *u; +} pcstack[MAXSIGSTACK]; +static int nstack = 0; + +static void notecont(Ureg*, char*); + +void +_notetramp(int sig, void (*hdlr)(int, char*, Ureg*), Ureg *u) +{ + Pcstack *p; + + if(nstack >= MAXSIGSTACK) + _NOTED(1); /* nesting too deep; just do system default */ + p = &pcstack[nstack]; + p->restorepc = u->pc; + p->sig = sig; + p->hdlr = hdlr; + p->u = u; + nstack++; + u->pc = (unsigned long) notecont; + _NOTED(2); /* NSAVE: clear note but hold state */ +} + +static void +notecont(Ureg *u, char *s) +{ + Pcstack *p; + void(*f)(int, char*, Ureg*); + + p = &pcstack[nstack-1]; + f = p->hdlr; + u->pc = p->restorepc; + nstack--; + (*f)(p->sig, s, u); + _NOTED(3); /* NRSTR */ +} + +#define JMPBUFPC 1 +#define JMPBUFSP 0 + +extern sigset_t _psigblocked; + +void +siglongjmp(sigjmp_buf j, int ret) +{ + struct Ureg *u; + + if(j[0]) + _psigblocked = j[1]; + if(nstack == 0 || pcstack[nstack-1].u->sp > j[2+JMPBUFSP]) + longjmp(j+2, ret); + u = pcstack[nstack-1].u; + nstack--; + u->r0 = ret; + if(ret == 0) + u->r0 = 1; + u->pc = j[2+JMPBUFPC]; + u->sp = j[2+JMPBUFSP]; + _NOTED(3); /* NRSTR */ +} diff --git a/sys/src/ape/lib/ap/arm/setjmp.s b/sys/src/ape/lib/ap/arm/setjmp.s new file mode 100755 index 000000000..62a06245c --- /dev/null +++ b/sys/src/ape/lib/ap/arm/setjmp.s @@ -0,0 +1,29 @@ +arg=0 +link=14 +sp=13 + +TEXT setjmp(SB), 1, $-4 + MOVW R(sp), (R(arg+0)) + MOVW R(link), 4(R(arg+0)) + MOVW $0, R0 + RET + +TEXT sigsetjmp(SB), 1, $-4 + MOVW savemask+4(FP), R(arg+2) + MOVW R(arg+2), 0(R(arg+0)) + MOVW $_psigblocked(SB), R(arg+2) + MOVW R2, 4(R(arg+0)) + MOVW R(sp), 8(R(arg+0)) + MOVW R(link), 12(R(arg+0)) + MOVW $0, R(arg+0) + RET + +TEXT longjmp(SB), 1, $-4 + MOVW r+4(FP), R(arg+2) + CMP $0, R(arg+2) + BNE ok /* ansi: "longjmp(0) => longjmp(1)" */ + MOVW $1, R(arg+2) /* bless their pointed heads */ +ok: MOVW (R(arg+0)), R(sp) + MOVW 4(R(arg+0)), R(link) + MOVW R(arg+2), R(arg+0) + RET diff --git a/sys/src/ape/lib/ap/arm/strchr.s b/sys/src/ape/lib/ap/arm/strchr.s new file mode 100755 index 000000000..349b5a49f --- /dev/null +++ b/sys/src/ape/lib/ap/arm/strchr.s @@ -0,0 +1,56 @@ +TEXT strchr(SB), $-4 + MOVBU c+4(FP), R1 + CMP $0, R1 + BEQ _null + +_strchr: /* not looking for a null, byte at a time */ + MOVBU.P 1(R0), R2 + CMP R1, R2 + BEQ _sub1 + + CMP $0, R2 + BNE _strchr + +_return0: /* character not found in string, return 0 */ + MOVW $0, R0 + RET + +_null: /* looking for null, align */ + AND.S $3, R0, R2 + BEQ _aligned + + MOVBU.P 1(R0), R4 + CMP $0, R4 + BEQ _sub1 + B _null + +_aligned: + MOVW $0xFF, R3 /* mask */ + +_loop: + MOVW.P 4(R0), R4 /* 4 at a time */ + TST R4, R3 /* AND.S R2, R3, Rx */ + TST.NE R4>>8, R3 + TST.NE R4>>16, R3 + TST.NE R4>>24, R3 + BNE _loop + + TST R4, R3 /* its somewhere, find it and correct */ + BEQ _sub4 + TST R4>>8, R3 + BEQ _sub3 + TST R4>>16, R3 + BEQ _sub2 + +_sub1: /* compensate for pointer increment */ + SUB $1, R0 + RET +_sub2: + SUB $2, R0 + RET +_sub3: + SUB $3, R0 + RET +_sub4: + SUB $4, R0 + RET diff --git a/sys/src/ape/lib/ap/arm/strcmp.s b/sys/src/ape/lib/ap/arm/strcmp.s new file mode 100755 index 000000000..015e51596 --- /dev/null +++ b/sys/src/ape/lib/ap/arm/strcmp.s @@ -0,0 +1,67 @@ +TEXT strcmp(SB), $-4 + MOVW R0, R1 + MOVW s2+4(FP), R2 + + MOVW $0xFF, R3 /* mask */ + +_align: /* align s1 on 4 */ + TST $3, R1 + BEQ _aligned + + MOVBU.P 1(R1), R4 /* implicit write back */ + MOVBU.P 1(R2), R8 /* implicit write back */ + SUB.S R8, R4, R0 + BNE _return + CMP $0, R4 + BEQ _return + B _align + +_aligned: /* is s2 now aligned? */ + TST $3, R2 + BNE _unaligned + +_aloop: + MOVW.P 4(R1), R5 /* 4 at a time */ + MOVW.P 4(R2), R7 + + AND R5, R3, R4 + AND R7, R3, R8 + SUB.S R8, R4, R0 + BNE _return + CMP $0, R4 + BEQ _return + + AND R5>>8, R3, R4 + AND R7>>8, R3, R8 + SUB.S R8, R4, R0 + BNE _return + CMP $0, R4 + BEQ _return + + AND R5>>16, R3, R4 + AND R7>>16, R3, R8 + SUB.S R8, R4, R0 + BNE _return + CMP $0, R4 + BEQ _return + + AND R5>>24, R3, R4 + AND R7>>24, R3, R8 + SUB.S R8, R4, R0 + BNE _return + CMP $0, R4 + BEQ _return + + B _aloop + +_return: + RET + +_unaligned: + MOVBU.P 1(R1), R4 /* implicit write back */ + MOVBU.P 1(R2), R8 /* implicit write back */ + SUB.S R8, R4, R0 + BNE _return + CMP $0, R4 + BEQ _return + B _unaligned diff --git a/sys/src/ape/lib/ap/arm/strcpy.s b/sys/src/ape/lib/ap/arm/strcpy.s new file mode 100755 index 000000000..3e69fdc7d --- /dev/null +++ b/sys/src/ape/lib/ap/arm/strcpy.s @@ -0,0 +1,46 @@ +TEXT strcpy(SB), $-4 + MOVW R0, to+0(FP) /* need to save for return value */ + MOVW from+4(FP), R1 + MOVW $0xFF, R2 /* mask */ + +salign: /* align source on 4 */ + AND.S $3, R1, R3 + BEQ dalign + MOVBU.P 1(R1), R3 /* implicit write back */ + TST R3, R2 + MOVBU.P R3, 1(R0) /* implicit write back */ + BNE salign + B return + +dalign: /* is destination now aligned? */ + AND.S $3, R0, R3 + BNE uloop + +aloop: + MOVW.P 4(R1), R4 /* read 4, write 4 */ + TST R4, R2 /* AND.S R3, R2, Rx */ + TST.NE R4>>8, R2 + TST.NE R4>>16, R2 + TST.NE R4>>24, R2 + BEQ tail + MOVW.P R4, 4(R0) + B aloop + +uloop: + MOVW.P 4(R1), R4 /* read 4, write 1,1,1,1 */ + +tail: + AND.S R4, R2, R3 + MOVBU.NE.P R3, 1(R0) + AND.NE.S R4>>8, R2, R3 + MOVBU.NE.P R3, 1(R0) + AND.NE.S R4>>16, R2, R3 + MOVBU.NE.P R3, 1(R0) + AND.NE.S R4>>24, R2, R3 + MOVBU.P R3, 1(R0) + BNE uloop + B return + +return: + MOVW to+0(FP), R0 + RET diff --git a/sys/src/ape/lib/ap/arm/tas.s b/sys/src/ape/lib/ap/arm/tas.s new file mode 100755 index 000000000..f1269209e --- /dev/null +++ b/sys/src/ape/lib/ap/arm/tas.s @@ -0,0 +1,5 @@ +TEXT tas(SB), $-4 + MOVW R0,R1 + MOVW $1,R0 + SWPW R0,(R1) + RET diff --git a/sys/src/ape/lib/ap/arm/vlop.s b/sys/src/ape/lib/ap/arm/vlop.s new file mode 100755 index 000000000..3a5375541 --- /dev/null +++ b/sys/src/ape/lib/ap/arm/vlop.s @@ -0,0 +1,13 @@ +TEXT _mulv(SB), $0 + MOVW 4(FP),R8 /* l0 */ + MOVW 8(FP),R11 /* h0 */ + MOVW 12(FP),R4 /* l1 */ + MOVW 16(FP),R5 /* h1 */ + MULLU R8,R4,(R6, R7) /* l0*l1 */ + MUL R8,R5,R5 /* l0*h1 */ + MUL R11,R4,R4 /* h0*l1 */ + ADD R4,R6 + ADD R5,R6 + MOVW R6,4(R0) + MOVW R7,0(R0) + RET diff --git a/sys/src/ape/lib/ap/arm/vlrt.c b/sys/src/ape/lib/ap/arm/vlrt.c new file mode 100755 index 000000000..5e9524d34 --- /dev/null +++ b/sys/src/ape/lib/ap/arm/vlrt.c @@ -0,0 +1,708 @@ +typedef unsigned long ulong; +typedef unsigned int uint; +typedef unsigned short ushort; +typedef unsigned char uchar; +typedef signed char schar; + +#define SIGN(n) (1UL<<(n-1)) + +typedef struct Vlong Vlong; +struct Vlong +{ + ulong lo; + ulong hi; +}; + +void abort(void); + +/* needed by profiler; can't be profiled */ +#pragma profile off + +void +_addv(Vlong *r, Vlong a, Vlong b) +{ + ulong lo, hi; + + lo = a.lo + b.lo; + hi = a.hi + b.hi; + if(lo < a.lo) + hi++; + r->lo = lo; + r->hi = hi; +} + +void +_subv(Vlong *r, Vlong a, Vlong b) +{ + ulong lo, hi; + + lo = a.lo - b.lo; + hi = a.hi - b.hi; + if(lo > a.lo) + hi--; + r->lo = lo; + r->hi = hi; +} + +#pragma profile on + +void +_d2v(Vlong *y, double d) +{ + union { double d; struct Vlong; } x; + ulong xhi, xlo, ylo, yhi; + int sh; + + x.d = d; + + xhi = (x.hi & 0xfffff) | 0x100000; + xlo = x.lo; + sh = 1075 - ((x.hi >> 20) & 0x7ff); + + ylo = 0; + yhi = 0; + if(sh >= 0) { + /* v = (hi||lo) >> sh */ + if(sh < 32) { + if(sh == 0) { + ylo = xlo; + yhi = xhi; + } else { + ylo = (xlo >> sh) | (xhi << (32-sh)); + yhi = xhi >> sh; + } + } else { + if(sh == 32) { + ylo = xhi; + } else + if(sh < 64) { + ylo = xhi >> (sh-32); + } + } + } else { + /* v = (hi||lo) << -sh */ + sh = -sh; + if(sh <= 10) { + ylo = xlo << sh; + yhi = (xhi << sh) | (xlo >> (32-sh)); + } else { + /* overflow */ + yhi = d; /* causes something awful */ + } + } + if(x.hi & SIGN(32)) { + if(ylo != 0) { + ylo = -ylo; + yhi = ~yhi; + } else + yhi = -yhi; + } + + y->hi = yhi; + y->lo = ylo; +} + +void +_f2v(Vlong *y, float f) +{ + _d2v(y, f); +} + +double +_v2d(Vlong x) +{ + if(x.hi & SIGN(32)) { + if(x.lo) { + x.lo = -x.lo; + x.hi = ~x.hi; + } else + x.hi = -x.hi; + return -((long)x.hi*4294967296. + x.lo); + } + return (long)x.hi*4294967296. + x.lo; +} + +float +_v2f(Vlong x) +{ + return _v2d(x); +} + + +static void +dodiv(Vlong num, Vlong den, Vlong *q, Vlong *r) +{ + ulong numlo, numhi, denhi, denlo, quohi, quolo, t; + int i; + + numhi = num.hi; + numlo = num.lo; + denhi = den.hi; + denlo = den.lo; + /* + * get a divide by zero + */ + if(denlo==0 && denhi==0) { + numlo = numlo / denlo; + } + + /* + * set up the divisor and find the number of iterations needed + */ + if(numhi >= SIGN(32)) { + quohi = SIGN(32); + quolo = 0; + } else { + quohi = numhi; + quolo = numlo; + } + i = 0; + while(denhi < quohi || (denhi == quohi && denlo < quolo)) { + denhi = (denhi<<1) | (denlo>>31); + denlo <<= 1; + i++; + } + + quohi = 0; + quolo = 0; + for(; i >= 0; i--) { + quohi = (quohi<<1) | (quolo>>31); + quolo <<= 1; + if(numhi > denhi || (numhi == denhi && numlo >= denlo)) { + t = numlo; + numlo -= denlo; + if(numlo > t) + numhi--; + numhi -= denhi; + quolo |= 1; + } + denlo = (denlo>>1) | (denhi<<31); + denhi >>= 1; + } + + if(q) { + q->lo = quolo; + q->hi = quohi; + } + if(r) { + r->lo = numlo; + r->hi = numhi; + } +} + +void +_divvu(Vlong *q, Vlong n, Vlong d) +{ + if(n.hi == 0 && d.hi == 0) { + q->hi = 0; + q->lo = n.lo / d.lo; + return; + } + dodiv(n, d, q, 0); +} + +void +_modvu(Vlong *r, Vlong n, Vlong d) +{ + + if(n.hi == 0 && d.hi == 0) { + r->hi = 0; + r->lo = n.lo % d.lo; + return; + } + dodiv(n, d, 0, r); +} + +static void +vneg(Vlong *v) +{ + + if(v->lo == 0) { + v->hi = -v->hi; + return; + } + v->lo = -v->lo; + v->hi = ~v->hi; +} + +void +_divv(Vlong *q, Vlong n, Vlong d) +{ + long nneg, dneg; + + if(n.hi == (((long)n.lo)>>31) && d.hi == (((long)d.lo)>>31)) { + q->lo = (long)n.lo / (long)d.lo; + q->hi = ((long)q->lo) >> 31; + return; + } + nneg = n.hi >> 31; + if(nneg) + vneg(&n); + dneg = d.hi >> 31; + if(dneg) + vneg(&d); + dodiv(n, d, q, 0); + if(nneg != dneg) + vneg(q); +} + +void +_modv(Vlong *r, Vlong n, Vlong d) +{ + long nneg, dneg; + + if(n.hi == (((long)n.lo)>>31) && d.hi == (((long)d.lo)>>31)) { + r->lo = (long)n.lo % (long)d.lo; + r->hi = ((long)r->lo) >> 31; + return; + } + nneg = n.hi >> 31; + if(nneg) + vneg(&n); + dneg = d.hi >> 31; + if(dneg) + vneg(&d); + dodiv(n, d, 0, r); + if(nneg) + vneg(r); +} + +void +_rshav(Vlong *r, Vlong a, int b) +{ + long t; + + t = a.hi; + if(b >= 32) { + r->hi = t>>31; + if(b >= 64) { + /* this is illegal re C standard */ + r->lo = t>>31; + return; + } + r->lo = t >> (b-32); + return; + } + if(b <= 0) { + r->hi = t; + r->lo = a.lo; + return; + } + r->hi = t >> b; + r->lo = (t << (32-b)) | (a.lo >> b); +} + +void +_rshlv(Vlong *r, Vlong a, int b) +{ + ulong t; + + t = a.hi; + if(b >= 32) { + r->hi = 0; + if(b >= 64) { + /* this is illegal re C standard */ + r->lo = 0; + return; + } + r->lo = t >> (b-32); + return; + } + if(b <= 0) { + r->hi = t; + r->lo = a.lo; + return; + } + r->hi = t >> b; + r->lo = (t << (32-b)) | (a.lo >> b); +} + +void +_lshv(Vlong *r, Vlong a, int b) +{ + ulong t; + + t = a.lo; + if(b >= 32) { + r->lo = 0; + if(b >= 64) { + /* this is illegal re C standard */ + r->hi = 0; + return; + } + r->hi = t << (b-32); + return; + } + if(b <= 0) { + r->lo = t; + r->hi = a.hi; + return; + } + r->lo = t << b; + r->hi = (t >> (32-b)) | (a.hi << b); +} + +void +_andv(Vlong *r, Vlong a, Vlong b) +{ + r->hi = a.hi & b.hi; + r->lo = a.lo & b.lo; +} + +void +_orv(Vlong *r, Vlong a, Vlong b) +{ + r->hi = a.hi | b.hi; + r->lo = a.lo | b.lo; +} + +void +_xorv(Vlong *r, Vlong a, Vlong b) +{ + r->hi = a.hi ^ b.hi; + r->lo = a.lo ^ b.lo; +} + +void +_vpp(Vlong *l, Vlong *r) +{ + + l->hi = r->hi; + l->lo = r->lo; + r->lo++; + if(r->lo == 0) + r->hi++; +} + +void +_vmm(Vlong *l, Vlong *r) +{ + + l->hi = r->hi; + l->lo = r->lo; + if(r->lo == 0) + r->hi--; + r->lo--; +} + +void +_ppv(Vlong *l, Vlong *r) +{ + + r->lo++; + if(r->lo == 0) + r->hi++; + l->hi = r->hi; + l->lo = r->lo; +} + +void +_mmv(Vlong *l, Vlong *r) +{ + + if(r->lo == 0) + r->hi--; + r->lo--; + l->hi = r->hi; + l->lo = r->lo; +} + +void +_vasop(Vlong *ret, void *lv, void fn(Vlong*, Vlong, Vlong), int type, Vlong rv) +{ + Vlong t, u; + + u = *ret; + switch(type) { + default: + abort(); + break; + + case 1: /* schar */ + t.lo = *(schar*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(schar*)lv = u.lo; + break; + + case 2: /* uchar */ + t.lo = *(uchar*)lv; + t.hi = 0; + fn(&u, t, rv); + *(uchar*)lv = u.lo; + break; + + case 3: /* short */ + t.lo = *(short*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(short*)lv = u.lo; + break; + + case 4: /* ushort */ + t.lo = *(ushort*)lv; + t.hi = 0; + fn(&u, t, rv); + *(ushort*)lv = u.lo; + break; + + case 9: /* int */ + t.lo = *(int*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(int*)lv = u.lo; + break; + + case 10: /* uint */ + t.lo = *(uint*)lv; + t.hi = 0; + fn(&u, t, rv); + *(uint*)lv = u.lo; + break; + + case 5: /* long */ + t.lo = *(long*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(long*)lv = u.lo; + break; + + case 6: /* ulong */ + t.lo = *(ulong*)lv; + t.hi = 0; + fn(&u, t, rv); + *(ulong*)lv = u.lo; + break; + + case 7: /* vlong */ + case 8: /* uvlong */ + fn(&u, *(Vlong*)lv, rv); + *(Vlong*)lv = u; + break; + } + *ret = u; +} + +void +_p2v(Vlong *ret, void *p) +{ + long t; + + t = (ulong)p; + ret->lo = t; + ret->hi = 0; +} + +void +_sl2v(Vlong *ret, long sl) +{ + long t; + + t = sl; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_ul2v(Vlong *ret, ulong ul) +{ + long t; + + t = ul; + ret->lo = t; + ret->hi = 0; +} + +void +_si2v(Vlong *ret, int si) +{ + long t; + + t = si; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_ui2v(Vlong *ret, uint ui) +{ + long t; + + t = ui; + ret->lo = t; + ret->hi = 0; +} + +void +_sh2v(Vlong *ret, long sh) +{ + long t; + + t = (sh << 16) >> 16; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_uh2v(Vlong *ret, ulong ul) +{ + long t; + + t = ul & 0xffff; + ret->lo = t; + ret->hi = 0; +} + +void +_sc2v(Vlong *ret, long uc) +{ + long t; + + t = (uc << 24) >> 24; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_uc2v(Vlong *ret, ulong ul) +{ + long t; + + t = ul & 0xff; + ret->lo = t; + ret->hi = 0; +} + +long +_v2sc(Vlong rv) +{ + long t; + + t = rv.lo & 0xff; + return (t << 24) >> 24; +} + +long +_v2uc(Vlong rv) +{ + + return rv.lo & 0xff; +} + +long +_v2sh(Vlong rv) +{ + long t; + + t = rv.lo & 0xffff; + return (t << 16) >> 16; +} + +long +_v2uh(Vlong rv) +{ + + return rv.lo & 0xffff; +} + +long +_v2sl(Vlong rv) +{ + + return rv.lo; +} + +long +_v2ul(Vlong rv) +{ + + return rv.lo; +} + +long +_v2si(Vlong rv) +{ + + return rv.lo; +} + +long +_v2ui(Vlong rv) +{ + + return rv.lo; +} + +int +_testv(Vlong rv) +{ + return rv.lo || rv.hi; +} + +int +_eqv(Vlong lv, Vlong rv) +{ + return lv.lo == rv.lo && lv.hi == rv.hi; +} + +int +_nev(Vlong lv, Vlong rv) +{ + return lv.lo != rv.lo || lv.hi != rv.hi; +} + +int +_ltv(Vlong lv, Vlong rv) +{ + return (long)lv.hi < (long)rv.hi || + (lv.hi == rv.hi && lv.lo < rv.lo); +} + +int +_lev(Vlong lv, Vlong rv) +{ + return (long)lv.hi < (long)rv.hi || + (lv.hi == rv.hi && lv.lo <= rv.lo); +} + +int +_gtv(Vlong lv, Vlong rv) +{ + return (long)lv.hi > (long)rv.hi || + (lv.hi == rv.hi && lv.lo > rv.lo); +} + +int +_gev(Vlong lv, Vlong rv) +{ + return (long)lv.hi > (long)rv.hi || + (lv.hi == rv.hi && lv.lo >= rv.lo); +} + +int +_lov(Vlong lv, Vlong rv) +{ + return lv.hi < rv.hi || + (lv.hi == rv.hi && lv.lo < rv.lo); +} + +int +_lsv(Vlong lv, Vlong rv) +{ + return lv.hi < rv.hi || + (lv.hi == rv.hi && lv.lo <= rv.lo); +} + +int +_hiv(Vlong lv, Vlong rv) +{ + return lv.hi > rv.hi || + (lv.hi == rv.hi && lv.lo > rv.lo); +} + +int +_hsv(Vlong lv, Vlong rv) +{ + return lv.hi > rv.hi || + (lv.hi == rv.hi && lv.lo >= rv.lo); +} diff --git a/sys/src/ape/lib/ap/extraobjs b/sys/src/ape/lib/ap/extraobjs new file mode 100755 index 000000000..66974b2cf --- /dev/null +++ b/sys/src/ape/lib/ap/extraobjs @@ -0,0 +1,37 @@ +#!/bin/rc +switch($objtype){ +case mips + echo G_strcat.$O 9_strchr.$O 9_strcmp.$O 9_strcpy.$O G_strlen.$O\ + G_strncmp.$O G_strrchr.$O 9_memchr.$O 9_memcmp.$O 9_memmove.$O\ + 9_memset.$O 9_getfcr.$O 9_vlop.$O 9_vlrt.$O + +case 68020 + echo 9_strcat.$O 9_strchr.$O 9_strcmp.$O 9_strcpy.$O 9_strlen.$O\ + G_strncmp.$O G_strrchr.$O 9_memchr.$O 9_memcmp.$O 9_memcpy.$O\ + 9_memmove.$O 9_memset.$O 9_vlop.$O 9_vlrt.$O + +case 386 + echo 9_strcat.$O 9_strchr.$O G_strcmp.$O 9_strcpy.$O 9_strlen.$O\ + G_strncmp.$O G_strrchr.$O 9_memchr.$O 9_memcmp.$O 9_memcpy.$O\ + 9_memmove.$O 9_memset.$O 9_vlop.$O 9_vlrt.$O + +case arm + echo 9_strcat.$O 9_strchr.$O G_strcmp.$O 9_strcpy.$O 9_strlen.$O\ + G_strncmp.$O G_strrchr.$O 9_memchr.$O 9_memcmp.$O\ + 9_memmove.$O 9_memset.$O 9_vlop.$O 9_vlrt.$O 9_div.$O + +case sparc + echo G_strcat.$O 9_strchr.$O 9_strcmp.$O 9_strcpy.$O G_strlen.$O\ + G_strncmp.$O G_strrchr.$O 9_memchr.$O 9_memcmp.$O 9_memmove.$O\ + 9_memset.$O 9_muldiv.$O 9_vlop.$O 9_vlrt.$O + +case alpha + echo G_strcat.$O G_strchr.$O G_strcmp.$O G_strcpy.$O G_strlen.$O\ + G_strncmp.$O G_strrchr.$O G_memchr.$O G_memcmp.$O 9_memmove.$O\ + 9_memset.$O 9_memcpy.$O 9_getfcr.$O 9_divl.$O 9_divq.$O + +case power + echo G_strcat.$O G_strchr.$O G_strcmp.$O G_strcpy.$O G_strlen.$O\ + G_strncmp.$O G_strrchr.$O G_memchr.$O 9_memcmp.$O 9_memmove.$O\ + 9_memset.$O 9_getfcr.$O 9_vlop.$O 9_vlrt.$O +} diff --git a/sys/src/ape/lib/ap/gen/_assert.c b/sys/src/ape/lib/ap/gen/_assert.c new file mode 100755 index 000000000..e39e147a4 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/_assert.c @@ -0,0 +1,18 @@ +#include <stdlib.h> +#include <unistd.h> +#include <assert.h> + +void +_assert(char *f, unsigned line) +{ + char buf[20], *p, *s = &buf[20]; + write(2, "assertion failed: file ", 23); + for(p = f; *p; p++) continue; + write(2, f, p-f); + write(2, ":", 7); + *--s = '\n'; + do *--s = line%10 + '0'; while (line /= 10); + write(2, s, &buf[20] - s); + abort(); + +} diff --git a/sys/src/ape/lib/ap/gen/abort.c b/sys/src/ape/lib/ap/gen/abort.c new file mode 100755 index 000000000..67b878541 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/abort.c @@ -0,0 +1,9 @@ +#include <sys/types.h> +#include <unistd.h> +#include <signal.h> + +void +abort(void) +{ + kill(getpid(), SIGABRT); +} diff --git a/sys/src/ape/lib/ap/gen/abs.c b/sys/src/ape/lib/ap/gen/abs.c new file mode 100755 index 000000000..7d670ffb3 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/abs.c @@ -0,0 +1,17 @@ +#include <stdlib.h> + +int +abs(int a) +{ + if(a < 0) + return -a; + return a; +} + +long +labs(long a) +{ + if(a < 0) + return -a; + return a; +} diff --git a/sys/src/ape/lib/ap/gen/atof.c b/sys/src/ape/lib/ap/gen/atof.c new file mode 100755 index 000000000..63b8bfea4 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/atof.c @@ -0,0 +1,7 @@ +#include <stdlib.h> + +double +atof(const char *s) +{ + return(strtod(s, (char **)0)); +} diff --git a/sys/src/ape/lib/ap/gen/atoi.c b/sys/src/ape/lib/ap/gen/atoi.c new file mode 100755 index 000000000..8b9bddd41 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/atoi.c @@ -0,0 +1,7 @@ +#include <stdlib.h> + +int +atoi(const char *s) +{ + return(strtol(s, (char **)0, 10)); +} diff --git a/sys/src/ape/lib/ap/gen/atol.c b/sys/src/ape/lib/ap/gen/atol.c new file mode 100755 index 000000000..41e6040fe --- /dev/null +++ b/sys/src/ape/lib/ap/gen/atol.c @@ -0,0 +1,7 @@ +#include <stdlib.h> + +long +atol(const char *s) +{ + return(strtol(s, (char **)0, 10)); +} diff --git a/sys/src/ape/lib/ap/gen/atoll.c b/sys/src/ape/lib/ap/gen/atoll.c new file mode 100755 index 000000000..55f28000a --- /dev/null +++ b/sys/src/ape/lib/ap/gen/atoll.c @@ -0,0 +1,7 @@ +#include <stdlib.h> + +long long +atoll(const char *s) +{ + return(strtoll(s, (char **)0, 10)); +} diff --git a/sys/src/ape/lib/ap/gen/bsearch.c b/sys/src/ape/lib/ap/gen/bsearch.c new file mode 100755 index 000000000..ae0342f99 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/bsearch.c @@ -0,0 +1,24 @@ +#include <stdlib.h> +#include <stdio.h> +void* +bsearch(const void* key, const void* base, size_t nmemb, size_t size, + int (*compar)(const void*, const void*)) +{ + long i, bot, top, new; + void *p; + + bot = 0; + top = bot + nmemb - 1; + while(bot <= top){ + new = (top + bot)/2; + p = (char *)base+new*size; + i = (*compar)(key, p); + if(i == 0) + return p; + if(i > 0) + bot = new + 1; + else + top = new - 1; + } + return 0; +} diff --git a/sys/src/ape/lib/ap/gen/calloc.c b/sys/src/ape/lib/ap/gen/calloc.c new file mode 100755 index 000000000..e52210d84 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/calloc.c @@ -0,0 +1,13 @@ +#include <stdlib.h> +#include <string.h> + +void * +calloc(size_t nmemb, size_t size) +{ + void *mp; + + nmemb = nmemb*size; + if(mp = malloc(nmemb)) + memset(mp, 0, nmemb); + return(mp); +} diff --git a/sys/src/ape/lib/ap/gen/clock.c b/sys/src/ape/lib/ap/gen/clock.c new file mode 100755 index 000000000..d7d5d4b67 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/clock.c @@ -0,0 +1,12 @@ +#include <time.h> +#include <sys/times.h> + +clock_t +clock(void) +{ + struct tms t; + + if(times(&t) == (clock_t)-1) + return (clock_t)-1; + return t.tms_utime+t.tms_stime; +} diff --git a/sys/src/ape/lib/ap/gen/ctype.c b/sys/src/ape/lib/ap/gen/ctype.c new file mode 100755 index 000000000..3829a171a --- /dev/null +++ b/sys/src/ape/lib/ap/gen/ctype.c @@ -0,0 +1,56 @@ +#include <ctype.h> + +unsigned char _ctype[] = +{ +/* 0 1 2 3 */ +/* 4 5 6 7 */ + +/* 0*/ _IScntrl, _IScntrl, _IScntrl, _IScntrl, + _IScntrl, _IScntrl, _IScntrl, _IScntrl, +/* 10*/ _IScntrl, _ISspace|_IScntrl, _ISspace|_IScntrl, _ISspace|_IScntrl, + _ISspace|_IScntrl, _ISspace|_IScntrl, _IScntrl, _IScntrl, +/* 20*/ _IScntrl, _IScntrl, _IScntrl, _IScntrl, + _IScntrl, _IScntrl, _IScntrl, _IScntrl, +/* 30*/ _IScntrl, _IScntrl, _IScntrl, _IScntrl, + _IScntrl, _IScntrl, _IScntrl, _IScntrl, +/* 40*/ _ISspace|_ISblank, _ISpunct, _ISpunct, _ISpunct, + _ISpunct, _ISpunct, _ISpunct, _ISpunct, +/* 50*/ _ISpunct, _ISpunct, _ISpunct, _ISpunct, + _ISpunct, _ISpunct, _ISpunct, _ISpunct, +/* 60*/ _ISdigit|_ISxdigit, _ISdigit|_ISxdigit, _ISdigit|_ISxdigit, _ISdigit|_ISxdigit, + _ISdigit|_ISxdigit, _ISdigit|_ISxdigit, _ISdigit|_ISxdigit, _ISdigit|_ISxdigit, +/* 70*/ _ISdigit|_ISxdigit, _ISdigit|_ISxdigit, _ISpunct, _ISpunct, + _ISpunct, _ISpunct, _ISpunct, _ISpunct, +/*100*/ _ISpunct, _ISupper|_ISxdigit, _ISupper|_ISxdigit, _ISupper|_ISxdigit, + _ISupper|_ISxdigit, _ISupper|_ISxdigit, _ISupper|_ISxdigit, _ISupper, +/*110*/ _ISupper, _ISupper, _ISupper, _ISupper, + _ISupper, _ISupper, _ISupper, _ISupper, +/*120*/ _ISupper, _ISupper, _ISupper, _ISupper, + _ISupper, _ISupper, _ISupper, _ISupper, +/*130*/ _ISupper, _ISupper, _ISupper, _ISpunct, + _ISpunct, _ISpunct, _ISpunct, _ISpunct, +/*140*/ _ISpunct, _ISlower|_ISxdigit, _ISlower|_ISxdigit, _ISlower|_ISxdigit, + _ISlower|_ISxdigit, _ISlower|_ISxdigit, _ISlower|_ISxdigit, _ISlower, +/*150*/ _ISlower, _ISlower, _ISlower, _ISlower, + _ISlower, _ISlower, _ISlower, _ISlower, +/*160*/ _ISlower, _ISlower, _ISlower, _ISlower, + _ISlower, _ISlower, _ISlower, _ISlower, +/*170*/ _ISlower, _ISlower, _ISlower, _ISpunct, + _ISpunct, _ISpunct, _ISpunct, _IScntrl, +/*200*/ 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0 +}; diff --git a/sys/src/ape/lib/ap/gen/difftime.c b/sys/src/ape/lib/ap/gen/difftime.c new file mode 100755 index 000000000..97ac3cee9 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/difftime.c @@ -0,0 +1,9 @@ +#include <time.h> + +/* Difference in seconds between two calendar times */ + +double +difftime(time_t t1, time_t t0) +{ + return (double)t1-(double)t0; +} diff --git a/sys/src/ape/lib/ap/gen/div.c b/sys/src/ape/lib/ap/gen/div.c new file mode 100755 index 000000000..10d92d97b --- /dev/null +++ b/sys/src/ape/lib/ap/gen/div.c @@ -0,0 +1,9 @@ +#include <stdlib.h> + +div_t div(int numer, int denom) +{ + div_t ans; + ans.quot=numer/denom; /* assumes division truncates */ + ans.rem=numer-ans.quot*denom; + return ans; +} diff --git a/sys/src/ape/lib/ap/gen/getenv.c b/sys/src/ape/lib/ap/gen/getenv.c new file mode 100755 index 000000000..e911d3298 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/getenv.c @@ -0,0 +1,18 @@ +#include <stdlib.h> + +extern char **environ; + +char * +getenv(const char *name) +{ + char **p = environ; + char *v, *s1, *s2; + + while (*p != NULL){ + for(s1 = (char *)name, s2 = *p++; *s1 == *s2; s1++, s2++) + continue; + if(*s1 == '\0' && *s2 == '=') + return s2+1; + } + return NULL ; +} diff --git a/sys/src/ape/lib/ap/gen/isalnum.c b/sys/src/ape/lib/ap/gen/isalnum.c new file mode 100755 index 000000000..e1ab47cde --- /dev/null +++ b/sys/src/ape/lib/ap/gen/isalnum.c @@ -0,0 +1,24 @@ +#include <ctype.h> + +#undef isalnum +#undef isalpha +#undef iscntrl +#undef isdigit +#undef isgraph +#undef islower +#undef isprint +#undef ispunct +#undef isspace +#undef isupper +#undef isxdigit +int isalnum(int c){ return (_ctype+1)[c]&(_ISupper|_ISlower|_ISdigit); } +int isalpha(int c){ return (_ctype+1)[c]&(_ISupper|_ISlower); } +int iscntrl(int c){ return (_ctype+1)[c]&_IScntrl; } +int isdigit(int c){ return (_ctype+1)[c]&_ISdigit; } +int isgraph(int c){ return (_ctype+1)[c]&(_ISpunct|_ISupper|_ISlower|_ISdigit); } +int islower(int c){ return (_ctype+1)[c]&_ISlower; } +int isprint(int c){ return (_ctype+1)[c]&(_ISpunct|_ISupper|_ISlower|_ISdigit|_ISblank); } +int ispunct(int c){ return (_ctype+1)[c]&_ISpunct; } +int isspace(int c){ return (_ctype+1)[c]&_ISspace; } +int isupper(int c){ return (_ctype+1)[c]&_ISupper; } +int isxdigit(int c){ return (_ctype+1)[c]&_ISxdigit; } diff --git a/sys/src/ape/lib/ap/gen/itoa.c b/sys/src/ape/lib/ap/gen/itoa.c new file mode 100755 index 000000000..9e686556b --- /dev/null +++ b/sys/src/ape/lib/ap/gen/itoa.c @@ -0,0 +1,7 @@ +#include <stdlib.h> + +int +itoa(const char *s) +{ + return(strtol(s, (char **)0, 10)); +} diff --git a/sys/src/ape/lib/ap/gen/itol.c b/sys/src/ape/lib/ap/gen/itol.c new file mode 100755 index 000000000..a618acc8a --- /dev/null +++ b/sys/src/ape/lib/ap/gen/itol.c @@ -0,0 +1,7 @@ +#include <stdlib.h> + +long +itol(const char *s) +{ + return(strtol(s, (char **)0, 10)); +} diff --git a/sys/src/ape/lib/ap/gen/ldiv.c b/sys/src/ape/lib/ap/gen/ldiv.c new file mode 100755 index 000000000..01313e6ac --- /dev/null +++ b/sys/src/ape/lib/ap/gen/ldiv.c @@ -0,0 +1,9 @@ +#include <stdlib.h> + +ldiv_t ldiv(long int numer, long int denom) +{ + ldiv_t ans; + ans.quot=numer/denom; + ans.rem=numer-ans.quot*denom; + return ans; +} diff --git a/sys/src/ape/lib/ap/gen/mbwc.c b/sys/src/ape/lib/ap/gen/mbwc.c new file mode 100755 index 000000000..66a982193 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/mbwc.c @@ -0,0 +1,165 @@ +#include <stdlib.h> + +/* + * Use the FSS-UTF transformation proposed by posix. + * We define 7 byte types: + * T0 0xxxxxxx 7 free bits + * Tx 10xxxxxx 6 free bits + * T1 110xxxxx 5 free bits + * T2 1110xxxx 4 free bits + * + * Encoding is as follows. + * From hex Thru hex Sequence Bits + * 00000000 0000007F T0 7 + * 00000080 000007FF T1 Tx 11 + * 00000800 0000FFFF T2 Tx Tx 16 + */ + +int +mblen(const char *s, size_t n) +{ + + return mbtowc(0, s, n); +} + +int +mbtowc(wchar_t *pwc, const char *s, size_t n) +{ + int c, c1, c2; + long l; + + if(!s) + return 0; + + if(n < 1) + goto bad; + c = s[0] & 0xff; + if((c & 0x80) == 0x00) { + if(pwc) + *pwc = c; + if(c == 0) + return 0; + return 1; + } + + if(n < 2) + goto bad; + c1 = (s[1] ^ 0x80) & 0xff; + if((c1 & 0xC0) != 0x00) + goto bad; + if((c & 0xE0) == 0xC0) { + l = ((c << 6) | c1) & 0x7FF; + if(l < 0x080) + goto bad; + if(pwc) + *pwc = l; + return 2; + } + + if(n < 3) + goto bad; + c2 = (s[2] ^ 0x80) & 0xff; + if((c2 & 0xC0) != 0x00) + goto bad; + if((c & 0xF0) == 0xE0) { + l = ((((c << 6) | c1) << 6) | c2) & 0xFFFF; + if(l < 0x0800) + goto bad; + if(pwc) + *pwc = l; + return 3; + } + + /* + * bad decoding + */ +bad: + return -1; + +} + +int +wctomb(char *s, wchar_t wchar) +{ + long c; + + if(!s) + return 0; + + c = wchar & 0xFFFF; + if(c < 0x80) { + s[0] = c; + return 1; + } + + if(c < 0x800) { + s[0] = 0xC0 | (c >> 6); + s[1] = 0x80 | (c & 0x3F); + return 2; + } + + s[0] = 0xE0 | (c >> 12); + s[1] = 0x80 | ((c >> 6) & 0x3F); + s[2] = 0x80 | (c & 0x3F); + return 3; +} + +size_t +mbstowcs(wchar_t *pwcs, const char *s, size_t n) +{ + int i, d, c; + + for(i=0; i < n; i++) { + c = *s & 0xff; + if(c < 0x80) { + *pwcs = c; + if(c == 0) + break; + s++; + } else { + d = mbtowc(pwcs, s, 3); + if(d <= 0) + return (size_t)((d<0) ? -1 : i); + s += d; + } + pwcs++; + } + return i; +} + +size_t +wcstombs(char *s, const wchar_t *pwcs, size_t n) +{ + int i, d; + long c; + char *p, *pe; + char buf[3]; + + p = s; + pe = p+n-3; + while(p < pe) { + c = *pwcs++; + if(c < 0x80) + *p++ = c; + else + p += wctomb(p, c); + if(c == 0) + return p-s; + } + while(p < pe+3) { + c = *pwcs++; + d = wctomb(buf, c); + if(p+d <= pe+3) { + *p++ = buf[0]; + if(d > 1) { + *p++ = buf[2]; + if(d > 2) + *p++ = buf[3]; + } + } + if(c == 0) + break; + } + return p-s; +} + diff --git a/sys/src/ape/lib/ap/gen/memccpy.c b/sys/src/ape/lib/ap/gen/memccpy.c new file mode 100755 index 000000000..2f7b610d2 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/memccpy.c @@ -0,0 +1,17 @@ +#include <string.h> + +void* +memccpy(void *a1, void *a2, int c, size_t n) +{ + unsigned char *s1, *s2; + + s1 = a1; + s2 = a2; + c &= 0xFF; + while(n > 0) { + if((*s1++ = *s2++) == c) + return s1; + n--; + } + return 0; +} diff --git a/sys/src/ape/lib/ap/gen/memchr.c b/sys/src/ape/lib/ap/gen/memchr.c new file mode 100755 index 000000000..e63aefe8e --- /dev/null +++ b/sys/src/ape/lib/ap/gen/memchr.c @@ -0,0 +1,16 @@ +#include <string.h> + +void* +memchr(const void *ap, int c, size_t n) +{ + unsigned char *sp; + + sp = ap; + c &= 0xFF; + while(n > 0) { + if(*sp++ == c) + return sp-1; + n--; + } + return 0; +} diff --git a/sys/src/ape/lib/ap/gen/memcmp.c b/sys/src/ape/lib/ap/gen/memcmp.c new file mode 100755 index 000000000..c07fbd0e9 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/memcmp.c @@ -0,0 +1,22 @@ +#include <string.h> + +int +memcmp(const void *a1, const void *a2, size_t n) +{ + char *s1, *s2; + unsigned c1, c2; + + s1 = a1; + s2 = a2; + while(n > 0) { + c1 = *s1++; + c2 = *s2++; + if(c1 != c2) { + if(c1 > c2) + return 1; + return -1; + } + n--; + } + return 0; +} diff --git a/sys/src/ape/lib/ap/gen/memmove.c b/sys/src/ape/lib/ap/gen/memmove.c new file mode 100755 index 000000000..7eec93f68 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/memmove.c @@ -0,0 +1,35 @@ +#include <string.h> + +void* +memmove(void *a1, const void *a2, size_t n) +{ + char *s1, *s2; + extern void abort(void); + + if((long)n < 0) + abort(); + if(a1 > a2) + goto back; + s1 = a1; + s2 = a2; + while(n > 0) { + *s1++ = *s2++; + n--; + } + return a1; + +back: + s1 = (char*)a1 + n; + s2 = (char*)a2 + n; + while(n > 0) { + *--s1 = *--s2; + n--; + } + return a1; +} + +void* +memcpy(void *a1, const void *a2, size_t n) +{ + return memmove(a1, a2, n); +} diff --git a/sys/src/ape/lib/ap/gen/memset.c b/sys/src/ape/lib/ap/gen/memset.c new file mode 100755 index 000000000..902874412 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/memset.c @@ -0,0 +1,14 @@ +#include <string.h> + +void* +memset(void *ap, int c, size_t n) +{ + char *p; + + p = ap; + while(n > 0) { + *p++ = c; + n--; + } + return ap; +} diff --git a/sys/src/ape/lib/ap/gen/mkfile b/sys/src/ape/lib/ap/gen/mkfile new file mode 100755 index 000000000..e9653bba1 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/mkfile @@ -0,0 +1,63 @@ +APE=/sys/src/ape +<$APE/config +LIB=/$objtype/lib/ape/libap.a + +ALLOFILES=\ + _assert.$O\ + abort.$O\ + abs.$O\ + atof.$O\ + atoi.$O\ + atol.$O\ + atoll.$O\ + bsearch.$O\ + calloc.$O\ + clock.$O\ + ctype.$O\ + difftime.$O\ + div.$O\ + getenv.$O\ + isalnum.$O\ + itoa.$O\ + itol.$O\ + ldiv.$O\ + mbwc.$O\ + memccpy.$O\ + memchr.$O\ + memcmp.$O\ + memmove.$O\ + memset.$O\ + mktime.$O\ + qsort.$O\ + raise.$O\ + rand.$O\ + strcat.$O\ + strchr.$O\ + strcmp.$O\ + strcoll.$O\ + strcpy.$O\ + strcspn.$O\ + strftime.$O\ + strlen.$O\ + strncat.$O\ + strncmp.$O\ + strncpy.$O\ + strpbrk.$O\ + strrchr.$O\ + strspn.$O\ + strstr.$O\ + strtod.$O\ + strtok.$O\ + strtol.$O\ + strtoll.$O\ + strtoul.$O\ + strtoull.$O\ + strxfrm.$O\ + toupper.$O\ + +# cull things in the per-machine directories from this list +OFILES= `{rc ./reduce $O $objtype $ALLOFILES} + +</sys/src/cmd/mksyslib + +CFLAGS=-c -D_POSIX_SOURCE diff --git a/sys/src/ape/lib/ap/gen/mktime.c b/sys/src/ape/lib/ap/gen/mktime.c new file mode 100755 index 000000000..2c8fa79fa --- /dev/null +++ b/sys/src/ape/lib/ap/gen/mktime.c @@ -0,0 +1,122 @@ +#include <time.h> + +/* + * BUG: Doesn't do leap years in full glory, + * or calendar changes. In 2038 the sign bit + * will be needed in time_t, but we say it + * can't be represented. + */ +static int +dysize(int y) +{ + y += 1900; /* arg is a tm_year, number of years since 1900 */ + if((y%4) == 0 && ((y%100) !=0 || (y%400) == 0)) + return 366; + return 365; +} + +static int +dmsize(int m, int y) +{ + static char sizes[12] = + { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; + + if(m == 1) + return (dysize(y)==366)? 29 : 28; + else + return sizes[m]; +} + +/* Reduce *v to [0, mult), adding 1 to *next for every mult + * subtracted from *v, and return 1 if reduction worked (no overflow) + */ +static int +reduce(int *v, int *next, int mult) +{ + int oldnext; + + while(*v < 0){ + *v += mult; + oldnext = *next; + --*next; + if(!(*next < oldnext)) + return 0; + } + while(*v >= mult){ + *v -= mult; + oldnext = *next; + ++*next; + if(!(*next > oldnext)) + return 0; + } + return 1; +} + +static int +jan1(int yr) +{ + int y, d; + + y = yr+1900; + d = (4+y+(y+3)/4-(y-1701)/100+(y-1601)/400+3)%7; + return d; +} + +time_t +mktime(struct tm *t) +{ + time_t a; + int i, d; + struct tm *ptm; + + if(!(reduce(&t->tm_sec, &t->tm_min, 60) && + reduce(&t->tm_min, &t->tm_hour, 60) && + reduce(&t->tm_hour, &t->tm_mday, 24) && + reduce(&t->tm_mon, &t->tm_year, 12))) + return -1; + while(t->tm_mday < 1){ + if(--t->tm_mon == -1){ + t->tm_mon = 11; + t->tm_year--; + } + t->tm_mday += dmsize(t->tm_mon, t->tm_year); + } + while(t->tm_mday > dmsize(t->tm_mon, t->tm_year)){ + t->tm_mday -= dmsize(t->tm_mon, t->tm_year); + if(++t->tm_mon == 12){ + t->tm_mon = 0; + t->tm_year++; + } + } + a = t->tm_sec + 60*t->tm_min + 3600*t->tm_hour; + t->tm_yday = t->tm_mday-1; + for(i=0; i<t->tm_mon; i++) + t->tm_yday += dmsize(i, t->tm_year); + a += t->tm_yday*86400L; + if(t->tm_year < 70){ + for(i=t->tm_year; i<70; i++) + if((a -= dysize(i)*86400L) < 0) + return -1; + }else if(t->tm_year > 70){ + for(i=70; i<t->tm_year; i++) + if((a += dysize(i)*86400L) < 0) + return -1; + } + /* + * Now a is number of seconds past Jan 1 1970. + * Convert to GMT. + */ + ptm = gmtime(&a); + d = ptm->tm_hour; + ptm = localtime(&a); + d -= ptm->tm_hour; + if(d < 0) + d += 24; + if(t->tm_isdst == 0 && ptm->tm_isdst) + d--; + if(t->tm_isdst > 0 && !ptm->tm_isdst) + d++; + a += d*3600; + t->tm_wday = (jan1(t->tm_year)+t->tm_yday)%7; + return a; +} diff --git a/sys/src/ape/lib/ap/gen/qsort.c b/sys/src/ape/lib/ap/gen/qsort.c new file mode 100755 index 000000000..e3fb9d12f --- /dev/null +++ b/sys/src/ape/lib/ap/gen/qsort.c @@ -0,0 +1,90 @@ +/* qsort -- qsort interface implemented by faster quicksort */ +#include <stdlib.h> + +#define SWAPINIT(a, es) swaptype = \ + (a - (char*) 0) % sizeof(long) || es % sizeof(long) ? 2 : \ + es == sizeof(long) ? 0 : 1; +#define swapcode(TYPE, parmi, parmj, n) { \ + long i = (n) / (int) sizeof(TYPE); \ + register TYPE *pi = (TYPE *) (parmi); \ + register TYPE *pj = (TYPE *) (parmj); \ + do { \ + register TYPE t = *pi; \ + *pi++ = *pj; \ + *pj++ = t; \ + } while (--i > 0); \ +} +static void swapfunc(char *a, char *b, int n, int swaptype) +{ if (swaptype <= 1) swapcode(long, a, b, n) + else swapcode(char, a, b, n) +} +#define swap(a, b) { \ + if (swaptype == 0) { \ + long t = * (long *) (a); \ + * (long *) (a) = * (long *) (b); \ + * (long *) (b) = t; \ + } else \ + swapfunc(a, b, es, swaptype); \ +} +#define vecswap(a, b, n) { if (n > 0) swapfunc(a, b, n*es, swaptype); } + +static char *med3func(char *a, char *b, char *c, int (*cmp)(const void *, const void *)) +{ return cmp(a, b) < 0 ? + (cmp(b, c) < 0 ? b : (cmp(a, c) < 0 ? c : a ) ) + : (cmp(b, c) > 0 ? b : (cmp(a, c) < 0 ? a : c ) ); +} +#define med3(a, b, c) med3func(a, b, c, cmp) + +void qsort(void *va, size_t n, size_t es, int (*cmp)(const void *, const void *)) +{ + char *a, *pa, *pb, *pc, *pd, *pl, *pm, *pn; + int r, swaptype, na, nb, nc, nd, d; + + a = va; + SWAPINIT(a, es); + if (n < 7) { /* Insertion sort on small arrays */ + for (pm = a + es; pm < a + n*es; pm += es) + for (pl = pm; pl > a && cmp(pl-es, pl) > 0; pl -= es) + swap(pl, pl-es); + return; + } + pm = a + (n/2) * es; + if (n > 7) { + pl = a; + pn = a + (n-1) * es; + if (n > 40) { /* On big arrays, pseudomedian of 9 */ + d = (n/8) * es; + pl = med3(pl, pl+d, pl+2*d); + pm = med3(pm-d, pm, pm+d); + pn = med3(pn-2*d, pn-d, pn); + } + pm = med3(pl, pm, pn); /* On medium arrays, median of 3 */ + } + swap(a, pm); /* On tiny arrays, partition around middle */ + pa = pb = a + es; + pc = pd = pn = a + (n-1)*es; + for (;;) { + while (pb <= pc && (r = cmp(pb, a)) <= 0) { + if (r == 0) { swap(pa, pb); pa += es; } + pb += es; + } + while (pb <= pc && (r = cmp(pc, a)) >= 0) { + if (r == 0) { swap(pc, pd); pd -= es; } + pc -= es; + } + if (pb > pc) break; + swap(pb, pc); + pb += es; + pc -= es; + } + na = (pa - a) / es; + nb = (pb - pa) / es; + nc = (pd - pc) / es; + nd = (pn - pd) / es; + if (na < nb) { vecswap(a, a + nb*es, na); } + else { vecswap(a, a + na*es, nb); } + if (nc < nd) { vecswap(pb, pb + nd*es, nc); } + else { vecswap(pb, pb + nc*es, nd); } + if (nb > 1) qsort(a, nb, es, cmp); + if (nc > 1) qsort(a + (n-nc) * es, nc, es, cmp); +} diff --git a/sys/src/ape/lib/ap/gen/raise.c b/sys/src/ape/lib/ap/gen/raise.c new file mode 100755 index 000000000..f93b20d3a --- /dev/null +++ b/sys/src/ape/lib/ap/gen/raise.c @@ -0,0 +1,11 @@ +/* not a posix function, but implemented with posix kill, getpid */ + +#include <sys/types.h> +#include <signal.h> +#include <unistd.h> + +int +raise(int sig) +{ + return kill(getpid(), sig); +} diff --git a/sys/src/ape/lib/ap/gen/rand.c b/sys/src/ape/lib/ap/gen/rand.c new file mode 100755 index 000000000..c73ad826c --- /dev/null +++ b/sys/src/ape/lib/ap/gen/rand.c @@ -0,0 +1,75 @@ +#include <stdlib.h> + +/* + * algorithm by + * D. P. Mitchell & J. A. Reeds + */ +#define LEN 607 +#define TAP 273 +#define MASK 0x7fffffffL +#define A 48271 +#define M 2147483647 +#define Q 44488 +#define R 3399 + +typedef unsigned long ulong; + +static ulong rng_vec[LEN]; +static ulong* rng_tap = rng_vec; +static ulong* rng_feed = 0; + +void +srand(unsigned int seed) +{ + long lo, hi, x; + int i; + + rng_tap = rng_vec; + rng_feed = rng_vec+LEN-TAP; + seed = seed%M; + if(seed < 0) + seed += M; + if(seed == 0) + seed = 89482311; + x = seed; + /* + * Initialize by x[n+1] = 48271 * x[n] mod (2**31 - 1) + */ + for(i = -20; i < LEN; i++) { + hi = x / Q; + lo = x % Q; + x = A*lo - R*hi; + if(x < 0) + x += M; + if(i >= 0) + rng_vec[i] = x; + } +} + +static long +lrand(void) +{ + ulong x; + + rng_tap--; + if(rng_tap < rng_vec) { + if(rng_feed == 0) { + srand(1); + rng_tap--; + } + rng_tap += LEN; + } + rng_feed--; + if(rng_feed < rng_vec) + rng_feed += LEN; + x = (*rng_feed + *rng_tap) & MASK; + *rng_feed = x; + return x; +} + +int +rand(void) +{ + + return lrand() & 0x7fff; +} diff --git a/sys/src/ape/lib/ap/gen/reduce b/sys/src/ape/lib/ap/gen/reduce new file mode 100755 index 000000000..584f8b9ab --- /dev/null +++ b/sys/src/ape/lib/ap/gen/reduce @@ -0,0 +1,16 @@ +O=$1 +shift +objtype=$1 +shift + +ls -p ../$objtype/*.[cs] >[2]/dev/null | sed 's/..$//;s/^/^/' > /tmp/reduce.$pid +# +# if empty directory, just return the input files +# +if (! ~ $status '|') { + echo $* + rm /tmp/reduce.$pid + exit 0 +} +echo $* | tr ' ' \012 | grep -v -f /tmp/reduce.$pid | tr \012 ' ' +rm /tmp/reduce.$pid diff --git a/sys/src/ape/lib/ap/gen/strcat.c b/sys/src/ape/lib/ap/gen/strcat.c new file mode 100755 index 000000000..6aa75d109 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strcat.c @@ -0,0 +1,9 @@ +#include <string.h> + +char* +strcat(char *s1, const char *s2) +{ + + strcpy(strchr(s1, 0), s2); + return s1; +} diff --git a/sys/src/ape/lib/ap/gen/strchr.c b/sys/src/ape/lib/ap/gen/strchr.c new file mode 100755 index 000000000..b6d935f57 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strchr.c @@ -0,0 +1,18 @@ +#include <string.h> + +char* +strchr(const char *s, int c) +{ + char c1; + + if(c == 0) { + while(*s++) + ; + return s-1; + } + + while(c1 = *s++) + if(c1 == c) + return s-1; + return 0; +} diff --git a/sys/src/ape/lib/ap/gen/strcmp.c b/sys/src/ape/lib/ap/gen/strcmp.c new file mode 100755 index 000000000..a9b4827e7 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strcmp.c @@ -0,0 +1,19 @@ +#include <string.h> + +int +strcmp(const char *s1, const char *s2) +{ + unsigned c1, c2; + + for(;;) { + c1 = *s1++; + c2 = *s2++; + if(c1 != c2) { + if(c1 > c2) + return 1; + return -1; + } + if(c1 == 0) + return 0; + } +} diff --git a/sys/src/ape/lib/ap/gen/strcoll.c b/sys/src/ape/lib/ap/gen/strcoll.c new file mode 100755 index 000000000..fda140945 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strcoll.c @@ -0,0 +1,8 @@ +#include <string.h> + +int +strcoll(const char *s1, const char *s2) +{ + /* BUG: supposed to pay attention to LC_COLLATE of current locale */ + return strcmp(s1, s2); +} diff --git a/sys/src/ape/lib/ap/gen/strcpy.c b/sys/src/ape/lib/ap/gen/strcpy.c new file mode 100755 index 000000000..6a294eee5 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strcpy.c @@ -0,0 +1,30 @@ +#include <string.h> +#define N 10000 + +static void* +memccpy(void *a1, void *a2, int c, unsigned long n) +{ + char *s1, *s2; + + s1 = a1; + s2 = a2; + while(n > 0) { + if((*s1++ = *s2++) == c) + return s1; + n--; + } + return 0; +} + +char* +strcpy(char *s1, const char *s2) +{ + char *os1; + + os1 = s1; + while(!memccpy(s1, s2, 0, N)) { + s1 += N; + s2 += N; + } + return os1; +} diff --git a/sys/src/ape/lib/ap/gen/strcspn.c b/sys/src/ape/lib/ap/gen/strcspn.c new file mode 100755 index 000000000..f7628e8ae --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strcspn.c @@ -0,0 +1,20 @@ +#include <string.h> + +#define N 256 + +size_t +strcspn(const char *s, const char *b) +{ + char map[N], *os; + + memset(map, 0, N); + for(;;) { + map[*(unsigned char*)b] = 1; + if(*b++ == 0) + break; + } + os = s; + while(map[*(unsigned char*)s++] == 0) + ; + return s - os - 1; +} diff --git a/sys/src/ape/lib/ap/gen/strftime.c b/sys/src/ape/lib/ap/gen/strftime.c new file mode 100755 index 000000000..f86606089 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strftime.c @@ -0,0 +1,202 @@ +#include <time.h> +#include <string.h> + +static char *awday[7] = { "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" }; +static char *wday[7] = { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", + "Friday", "Saturday"}; +static char *amon[12] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", + "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; +static char *mon[12] = {"January", "February", "March", "April", "May", "June", + "July", "August", "September", "October", "November", "December"}; +static char *ampm[2] = {"AM", "PM"}; +static char *tz[2] = {"EST", "EDT"}; + +static int jan1(int); +static char *strval(char *, char *, char **, int, int); +static char *dval(char *, char *, int, int); + +size_t +strftime(char *s, size_t maxsize, const char *format, const struct tm *t) +{ + char *sp, *se, *fp; + int i; + + sp = s; + se = s+maxsize; + for(fp=(char *)format; *fp && sp<se; fp++){ + if(*fp != '%') + *sp++ = *fp; + else switch(*++fp){ + case 'a': + sp = strval(sp, se, awday, t->tm_wday, 7); + break; + case 'A': + sp = strval(sp, se, wday, t->tm_wday, 7); + break; + case 'b': + sp = strval(sp, se, amon, t->tm_mon, 12); + break; + case 'B': + sp = strval(sp, se, mon, t->tm_mon, 12); + break; + case 'c': + sp += strftime(sp, se-sp, "%a %b %d %H:%M:%S %Y", t); + break; + case 'd': + sp = dval(sp, se, t->tm_mday, 2); + break; + case 'H': + sp = dval(sp, se, t->tm_hour, 2); + break; + case 'I': + i = t->tm_hour; + if(i == 0) + i = 12; + else if(i > 12) + i -= 12; + sp = dval(sp, se, i, 2); + break; + case 'j': + sp = dval(sp, se, t->tm_yday+1, 3); + break; + case 'm': + sp = dval(sp, se, t->tm_mon+1, 2); + break; + case 'M': + sp = dval(sp, se, t->tm_min, 2); + break; + case 'p': + i = (t->tm_hour < 12)? 0 : 1; + sp = strval(sp, se, ampm, i, 2); + break; + case 'S': + sp = dval(sp, se, t->tm_sec, 2); + break; + case 'U': + i = 7-jan1(t->tm_year); + if(i == 7) + i = 0; + /* Now i is yday number of first sunday in year */ + if(t->tm_yday < i) + i = 0; + else + i = (t->tm_yday-i)/7 + 1; + sp = dval(sp, se, i, 2); + break; + case 'w': + sp = dval(sp, se, t->tm_wday, 1); + break; + case 'W': + i = 8-jan1(t->tm_year); + if(i >= 7) + i -= 7; + /* Now i is yday number of first monday in year */ + if(t->tm_yday < i) + i = 0; + else + i = (t->tm_yday-i)/7 + 1; + sp = dval(sp, se, i, 2); + break; + case 'x': + sp += strftime(sp, se-sp, "%a %b %d, %Y", t); + break; + case 'X': + sp += strftime(sp, se-sp, "%H:%M:%S", t); + break; + case 'y': + sp = dval(sp, se, t->tm_year%100, 2); + break; + case 'Y': + sp = dval(sp, se, t->tm_year+1900, 4); + break; + case 'Z': + /* hack for now: assume eastern time zone */ + i = t->tm_isdst? 1 : 0; + sp = strval(sp, se, tz, i, 2); + break; + case 0: + fp--; /* stop loop after next fp incr */ + break; + default: + *sp++ = *fp; + } + } + if(*fp) + sp = s; /* format string didn't end: no room for conversion */ + if(sp<se) + *sp = 0; + return sp-s; +} + +static char * +strval(char *start, char *end, char **array, int index, int alen) +{ + int n; + + if(index<0 || index>=alen){ + *start = '?'; + return start+1; + } + n = strlen(array[index]); + if(n > end-start) + n = end-start; + memcpy(start, array[index], n); + return start+n; +} + +static char * +dval(char *start, char *end, int val, int width) +{ + char *p; + + if(val<0 || end-start<width){ + *start = '?'; + return start+1; + } + p = start+width-1; + while(p>=start){ + *p-- = val%10 + '0'; + val /= 10; + } + if(val>0) + *start = '*'; + return start+width; +} + +/* + * return day of the week + * of jan 1 of given year + */ +static int +jan1(int yr) +{ + int y, d; + +/* + * normal gregorian calendar + * one extra day per four years + */ + + y = yr+1900; + d = 4+y+(y+3)/4; + +/* + * julian calendar + * regular gregorian + * less three days per 400 + */ + + if(y > 1800) { + d -= (y-1701)/100; + d += (y-1601)/400; + } + +/* + * great calendar changeover instant + */ + + if(y > 1752) + d += 3; + + return(d%7); +} diff --git a/sys/src/ape/lib/ap/gen/strlen.c b/sys/src/ape/lib/ap/gen/strlen.c new file mode 100755 index 000000000..e339cb16b --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strlen.c @@ -0,0 +1,8 @@ +#include <string.h> + +size_t +strlen(const char *s) +{ + + return strchr(s, 0) - s; +} diff --git a/sys/src/ape/lib/ap/gen/strncat.c b/sys/src/ape/lib/ap/gen/strncat.c new file mode 100755 index 000000000..8891724b4 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strncat.c @@ -0,0 +1,20 @@ +#include <string.h> + +char* +strncat(char *s1, const char *s2, size_t n) +{ + char *os1; + long nn; + + os1 = s1; + nn = n; + while(*s1++) + ; + s1--; + while(*s1++ = *s2++) + if(--nn < 0) { + s1[-1] = 0; + break; + } + return os1; +} diff --git a/sys/src/ape/lib/ap/gen/strncmp.c b/sys/src/ape/lib/ap/gen/strncmp.c new file mode 100755 index 000000000..e76b09b9d --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strncmp.c @@ -0,0 +1,23 @@ +#include <string.h> + +int +strncmp(const char *s1, const char *s2, size_t n) +{ + unsigned c1, c2; + long nn; + + nn = n; + while(nn > 0) { + c1 = *s1++; + c2 = *s2++; + nn--; + if(c1 != c2) { + if(c1 > c2) + return 1; + return -1; + } + if(c1 == 0) + break; + } + return 0; +} diff --git a/sys/src/ape/lib/ap/gen/strncpy.c b/sys/src/ape/lib/ap/gen/strncpy.c new file mode 100755 index 000000000..28a5a522c --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strncpy.c @@ -0,0 +1,17 @@ +#include <string.h> + +char* +strncpy(char *s1, const char *s2, size_t n) +{ + int i; + char *os1; + + os1 = s1; + for(i = 0; i < n; i++) + if((*s1++ = *s2++) == 0) { + while(++i < n) + *s1++ = 0; + return os1; + } + return os1; +} diff --git a/sys/src/ape/lib/ap/gen/strpbrk.c b/sys/src/ape/lib/ap/gen/strpbrk.c new file mode 100755 index 000000000..407f1c266 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strpbrk.c @@ -0,0 +1,20 @@ +#include <string.h> +#define N 256 + +char* +strpbrk(const char *s, const char *b) +{ + char map[N]; + + memset(map, 0, N); + for(;;) { + map[*b] = 1; + if(*b++ == 0) + break; + } + while(map[*s++] == 0) + ; + if(*--s) + return s; + return 0; +} diff --git a/sys/src/ape/lib/ap/gen/strrchr.c b/sys/src/ape/lib/ap/gen/strrchr.c new file mode 100755 index 000000000..038b06ad2 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strrchr.c @@ -0,0 +1,14 @@ +#include <string.h> + +char* +strrchr(const char *s, int c) +{ + char *r; + + if(c == 0) + return strchr(s, 0); + r = 0; + while(s = strchr(s, c)) + r = s++; + return r; +} diff --git a/sys/src/ape/lib/ap/gen/strspn.c b/sys/src/ape/lib/ap/gen/strspn.c new file mode 100755 index 000000000..57ebfd1b5 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strspn.c @@ -0,0 +1,17 @@ +#include <string.h> + +#define N 256 + +size_t +strspn(const char *s, const char *b) +{ + char map[N], *os; + + memset(map, 0, N); + while(*b) + map[*(unsigned char *)b++] = 1; + os = s; + while(map[*(unsigned char *)s++]) + ; + return s - os - 1; +} diff --git a/sys/src/ape/lib/ap/gen/strstr.c b/sys/src/ape/lib/ap/gen/strstr.c new file mode 100755 index 000000000..4e6828571 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strstr.c @@ -0,0 +1,27 @@ +#include <string.h> + +/* Return pointer to first occurrence of s2 in s1, NULL if none */ + +char +*strstr(const char *s1, const char *s2) +{ + char *p, *pa, *pb; + int c0, c; + + c0 = *s2; + if(c0 == 0) + return s1; + s2++; + for(p=strchr(s1, c0); p; p=strchr(p+1, c0)) { + pa = p; + for(pb=s2;; pb++) { + c = *pb; + if(c == 0) + return p; + if(c != *++pa) + break; + } + } + return 0; +} + diff --git a/sys/src/ape/lib/ap/gen/strtod.c b/sys/src/ape/lib/ap/gen/strtod.c new file mode 100755 index 000000000..ca4939100 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strtod.c @@ -0,0 +1,91 @@ +#include <math.h> +#include <errno.h> + +/* + * bug: should detect overflow, set errno = ERANGE, and return +/- HUGE_VAL + */ +double +strtod(const char *cp, char **endptr) +{ + double num, dem; + extern double pow10(int); + int neg, eneg, dig, predig, exp, c; + const char *p; + + p = cp; + num = 0; + neg = 0; + dig = 0; + predig = 0; + exp = 0; + eneg = 0; + + c = *p++; + while(c == ' ' || c == '\t' || c == '\n' || c == '\f' || c == '\v' || c == '\r') + c = *p++; + if(c == '-' || c == '+'){ + if(c == '-') + neg = 1; + c = *p++; + } + while(c >= '0' && c <= '9'){ + num = num*10 + c-'0'; + predig++; + c = *p++; + } + if(c == '.') + c = *p++; + while(c >= '0' && c <= '9'){ + num = num*10 + c-'0'; + dig++; + c = *p++; + } + if(dig+predig == 0){ + if(endptr) + *endptr = (char *)cp; + return 0.0; + } + if(c == 'e' || c == 'E'){ + c = *p++; + if(c == '-' || c == '+'){ + if(c == '-'){ + dig = -dig; + eneg = 1; + } + c = *p++; + } + while(c >= '0' && c <= '9'){ + exp = exp*10 + c-'0'; + c = *p++; + } + } + exp -= dig; + if(exp < 0){ + exp = -exp; + eneg = !eneg; + } + dem = pow10(exp); + if(dem==HUGE_VAL) + num = eneg? 0.0 : HUGE_VAL; + else if(dem==0) + num = eneg? HUGE_VAL : 0.0; + else if(eneg) + num /= dem; + else + num *= dem; + if(neg) + num = -num; + if(endptr){ + *endptr = (char *)--p; + /* + * Fix cases like 2.3e+ + */ + while(p > cp){ + c = *--p; + if(c!='-' && c!='+' && c!='e' && c!='E') + break; + (*endptr)--; + } + } + return num; +} diff --git a/sys/src/ape/lib/ap/gen/strtok.c b/sys/src/ape/lib/ap/gen/strtok.c new file mode 100755 index 000000000..24155782a --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strtok.c @@ -0,0 +1,36 @@ +#include <string.h> + +#define N 256 + +char* +strtok_r(char *s, const char *b, char **last) +{ + char map[N], *os; + + memset(map, 0, N); + while(*b) + map[*(unsigned char*)b++] = 1; + if(s == 0) + s = *last; + while(map[*(unsigned char*)s++]) + ; + if(*--s == 0) + return 0; + os = s; + while(map[*(unsigned char*)s] == 0) + if(*s++ == 0) { + *last = s-1; + return os; + } + *s++ = 0; + *last = s; + return os; +} + +char* +strtok(char *s, const char *b) +{ + static char *under_rock; + + return strtok_r(s, b, &under_rock); +} diff --git a/sys/src/ape/lib/ap/gen/strtol.c b/sys/src/ape/lib/ap/gen/strtol.c new file mode 100755 index 000000000..1c5d99632 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strtol.c @@ -0,0 +1,94 @@ +#include <stdlib.h> +#include <limits.h> +#include <errno.h> + +long +strtol(const char *nptr, char **endptr, int base) +{ + const char *p; + long n, nn; + int c, ovfl, v, neg, ndig; + + p = nptr; + neg = 0; + n = 0; + ndig = 0; + ovfl = 0; + + /* + * White space + */ + for(;;p++){ + switch(*p){ + case ' ': + case '\t': + case '\n': + case '\f': + case '\r': + case '\v': + continue; + } + break; + } + + /* + * Sign + */ + if(*p=='-' || *p=='+') + if(*p++ == '-') + neg = 1; + + /* + * Base + */ + if(base==0){ + if(*p != '0') + base = 10; + else{ + base = 8; + if(p[1]=='x' || p[1]=='X'){ + p += 2; + base = 16; + } + } + }else if(base==16 && *p=='0'){ + if(p[1]=='x' || p[1]=='X') + p += 2; + }else if(base<0 || 36<base) + goto Return; + + /* + * Non-empty sequence of digits + */ + for(;; p++,ndig++){ + c = *p; + v = base; + if('0'<=c && c<='9') + v = c - '0'; + else if('a'<=c && c<='z') + v = c - 'a' + 10; + else if('A'<=c && c<='Z') + v = c - 'A' + 10; + if(v >= base) + break; + nn = n*base + v; + if(nn < n) + ovfl = 1; + n = nn; + } + + Return: + if(ndig == 0) + p = nptr; + if(endptr) + *endptr = (char *)p; + if(ovfl){ + errno = ERANGE; + if(neg) + return LONG_MIN; + return LONG_MAX; + } + if(neg) + return -n; + return n; +} diff --git a/sys/src/ape/lib/ap/gen/strtoll.c b/sys/src/ape/lib/ap/gen/strtoll.c new file mode 100755 index 000000000..e633d2d08 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strtoll.c @@ -0,0 +1,103 @@ +#include <stdlib.h> +#include <limits.h> +#include <errno.h> + +#define VLONG_MAX ~(1LL<<63) +#define VLONG_MIN (1LL<<63) + +long long +strtoll(char *nptr, char **endptr, int base) +{ + char *p; + long long n, nn, m; + int c, ovfl, v, neg, ndig; + + p = nptr; + neg = 0; + n = 0; + ndig = 0; + ovfl = 0; + + /* + * White space + */ + for(;; p++) { + switch(*p) { + case ' ': + case '\t': + case '\n': + case '\f': + case '\r': + case '\v': + continue; + } + break; + } + + /* + * Sign + */ + if(*p=='-' || *p=='+') + if(*p++ == '-') + neg = 1; + + /* + * Base + */ + if(base==0){ + base = 10; + if(*p == '0') { + base = 8; + if(p[1]=='x' || p[1]=='X') { + p += 2; + base = 16; + } + } + } else + if(base==16 && *p=='0') { + if(p[1]=='x' || p[1]=='X') + p += 2; + } else + if(base<0 || 36<base) + goto Return; + + /* + * Non-empty sequence of digits + */ + m = VLONG_MAX/base; + for(;; p++,ndig++) { + c = *p; + v = base; + if('0'<=c && c<='9') + v = c - '0'; + else + if('a'<=c && c<='z') + v = c - 'a' + 10; + else + if('A'<=c && c<='Z') + v = c - 'A' + 10; + if(v >= base) + break; + if(n > m) + ovfl = 1; + nn = n*base + v; + if(nn < n) + ovfl = 1; + n = nn; + } + +Return: + if(ndig == 0) + p = nptr; + if(endptr) + *endptr = p; + if(ovfl){ + errno = ERANGE; + if(neg) + return VLONG_MIN; + return VLONG_MAX; + } + if(neg) + return -n; + return n; +} diff --git a/sys/src/ape/lib/ap/gen/strtoul.c b/sys/src/ape/lib/ap/gen/strtoul.c new file mode 100755 index 000000000..bb7dce7ae --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strtoul.c @@ -0,0 +1,92 @@ +#include <stdlib.h> +#include <errno.h> +#include <limits.h> + +unsigned long +strtoul(const char *nptr, char **endptr, int base) +{ + const char *p; + unsigned long n, nn; + int c, ovfl, neg, v, ndig; + + p = (char*)nptr; + neg = 0; + n = 0; + ndig = 0; + ovfl = 0; + + /* + * White space + */ + for(;;p++){ + switch(*p){ + case ' ': + case '\t': + case '\n': + case '\f': + case '\r': + case '\v': + continue; + } + break; + } + + /* + * Sign + */ + if(*p=='-' || *p=='+') + if(*p++ == '-') + neg = 1; + + /* + * Base + */ + if(base==0){ + if(*p != '0') + base = 10; + else{ + base = 8; + if(p[1]=='x' || p[1]=='X'){ + p += 2; + base = 16; + } + } + }else if(base==16 && *p=='0'){ + if(p[1]=='x' || p[1]=='X') + p += 2; + }else if(base<0 || 36<base) + goto Return; + + /* + * Non-empty sequence of digits + */ + for(;; p++,ndig++){ + c = *p; + v = base; + if('0'<=c && c<='9') + v = c - '0'; + else if('a'<=c && c<='z') + v = c - 'a' + 10; + else if('A'<=c && c<='Z') + v = c - 'A' + 10; + if(v >= base) + break; + nn = n*base + v; + if(nn < n) + ovfl = 1; + n = nn; + } + + Return: + if(ndig == 0) + p = nptr; + if(endptr) + *endptr = (char *)p; + if(ovfl){ + errno = ERANGE; + return ULONG_MAX; + } + if(neg) + return -n; + return n; +} diff --git a/sys/src/ape/lib/ap/gen/strtoull.c b/sys/src/ape/lib/ap/gen/strtoull.c new file mode 100755 index 000000000..76aa392a4 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strtoull.c @@ -0,0 +1,100 @@ +#include <stdlib.h> +#include <errno.h> +#include <limits.h> + +#define UVLONG_MAX (1LL<<63) + +unsigned long long +strtoull(char *nptr, char **endptr, int base) +{ + char *p; + unsigned long long n, nn, m; + int c, ovfl, v, neg, ndig; + + p = nptr; + neg = 0; + n = 0; + ndig = 0; + ovfl = 0; + + /* + * White space + */ + for(;; p++) { + switch(*p) { + case ' ': + case '\t': + case '\n': + case '\f': + case '\r': + case '\v': + continue; + } + break; + } + + /* + * Sign + */ + if(*p == '-' || *p == '+') + if(*p++ == '-') + neg = 1; + + /* + * Base + */ + if(base == 0) { + base = 10; + if(*p == '0') { + base = 8; + if(p[1] == 'x' || p[1] == 'X'){ + p += 2; + base = 16; + } + } + } else + if(base == 16 && *p == '0') { + if(p[1] == 'x' || p[1] == 'X') + p += 2; + } else + if(base < 0 || 36 < base) + goto Return; + + /* + * Non-empty sequence of digits + */ + m = UVLONG_MAX/base; + for(;; p++,ndig++) { + c = *p; + v = base; + if('0' <= c && c <= '9') + v = c - '0'; + else + if('a' <= c && c <= 'z') + v = c - 'a' + 10; + else + if('A' <= c && c <= 'Z') + v = c - 'A' + 10; + if(v >= base) + break; + if(n > m) + ovfl = 1; + nn = n*base + v; + if(nn < n) + ovfl = 1; + n = nn; + } + +Return: + if(ndig == 0) + p = nptr; + if(endptr) + *endptr = p; + if(ovfl){ + errno = ERANGE; + return UVLONG_MAX; + } + if(neg) + return -n; + return n; +} diff --git a/sys/src/ape/lib/ap/gen/strxfrm.c b/sys/src/ape/lib/ap/gen/strxfrm.c new file mode 100755 index 000000000..ecb095064 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/strxfrm.c @@ -0,0 +1,17 @@ +#include <string.h> + +size_t +strxfrm(char *s1, const char *s2, size_t n) +{ + /* + * BUG: supposed to transform s2 to a canonical form + * so that strcmp can be used instead of strcoll, but + * our strcoll just uses strcmp. + */ + + size_t xn = strlen(s2); + if(n > xn) + n = xn; + memcpy(s1, s2, n); + return xn; +} diff --git a/sys/src/ape/lib/ap/gen/toupper.c b/sys/src/ape/lib/ap/gen/toupper.c new file mode 100755 index 000000000..eb1e8efd5 --- /dev/null +++ b/sys/src/ape/lib/ap/gen/toupper.c @@ -0,0 +1,17 @@ +#include <ctype.h> + +toupper(int c) +{ + + if(c < 'a' || c > 'z') + return c; + return (c-'a'+'A'); +} + +tolower(int c) +{ + + if(c < 'A' || c > 'Z') + return c; + return (c-'A'+'a'); +} diff --git a/sys/src/ape/lib/ap/math/asin.c b/sys/src/ape/lib/ap/math/asin.c new file mode 100755 index 000000000..efd3a8cc8 --- /dev/null +++ b/sys/src/ape/lib/ap/math/asin.c @@ -0,0 +1,47 @@ +/* + asin(arg) and acos(arg) return the arcsin, arccos, + respectively of their arguments. + + Arctan is called after appropriate range reduction. + */ + +#include <math.h> +#include <errno.h> + +static double pio2 = 1.570796326794896619231e0; + +double +asin(double arg) +{ + double temp; + int sign; + + sign = 0; + if(arg < 0) { + arg = -arg; + sign++; + } + if(arg > 1) { + errno = EDOM; + return 0; + } + temp = sqrt(1 - arg*arg); + if(arg > 0.7) + temp = pio2 - atan(temp/arg); + else + temp = atan(arg/temp); + + if(sign) + temp = -temp; + return temp; +} + +double +acos(double arg) +{ + if(arg > 1 || arg < -1) { + errno = EDOM; + return 0; + } + return pio2 - asin(arg); +} diff --git a/sys/src/ape/lib/ap/math/atan.c b/sys/src/ape/lib/ap/math/atan.c new file mode 100755 index 000000000..a5674d848 --- /dev/null +++ b/sys/src/ape/lib/ap/math/atan.c @@ -0,0 +1,86 @@ +/* + floating-point arctangent + + atan returns the value of the arctangent of its + argument in the range [-pi/2,pi/2]. + + atan2 returns the arctangent of arg1/arg2 + in the range [-pi,pi]. + + there are no error returns. + + coefficients are #5077 from Hart & Cheney. (19.56D) +*/ + +#include <math.h> + +#define sq2p1 2.414213562373095048802e0 +#define sq2m1 .414213562373095048802e0 +#define pio2 1.570796326794896619231e0 +#define pio4 .785398163397448309615e0 +#define p4 .161536412982230228262e2 +#define p3 .26842548195503973794141e3 +#define p2 .11530293515404850115428136e4 +#define p1 .178040631643319697105464587e4 +#define p0 .89678597403663861959987488e3 +#define q4 .5895697050844462222791e2 +#define q3 .536265374031215315104235e3 +#define q2 .16667838148816337184521798e4 +#define q1 .207933497444540981287275926e4 +#define q0 .89678597403663861962481162e3 + + +/* + xatan evaluates a series valid in the + range [-0.414...,+0.414...]. + */ + +static +double +xatan(double arg) +{ + double argsq, value; + + /* get denormalized add in following if range arg**10 is much smaller + than q1, so check for that case + */ + if(-.01 < arg && arg < .01) + value = p0/q0; + else { + argsq = arg*arg; + value = ((((p4*argsq + p3)*argsq + p2)*argsq + p1)*argsq + p0); + value = value/(((((argsq + q4)*argsq + q3)*argsq + q2)*argsq + q1)*argsq + q0); + } + return value*arg; +} + +/* + satan reduces its argument (known to be positive) + to the range [0,0.414...] and calls xatan. + */ + +static +double +satan(double arg) +{ + + if(arg < sq2m1) + return xatan(arg); + if(arg > sq2p1) + return pio2 - xatan(1.0/arg); + return pio4 + xatan((arg-1.0)/(arg+1.0)); +} + +/* + atan makes its argument positive and + calls the inner routine satan. + */ + +double +atan(double arg) +{ + + if(arg > 0) + return satan(arg); + return -satan(-arg); +} diff --git a/sys/src/ape/lib/ap/math/atan2.c b/sys/src/ape/lib/ap/math/atan2.c new file mode 100755 index 000000000..51c535329 --- /dev/null +++ b/sys/src/ape/lib/ap/math/atan2.c @@ -0,0 +1,30 @@ +#include <math.h> +#include <errno.h> +/* + atan2 discovers what quadrant the angle + is in and calls atan. +*/ +#define pio2 1.5707963267948966192313217 +#define pi 3.1415926535897932384626434; + +double +atan2(double arg1, double arg2) +{ + + if(arg1 == 0.0 && arg2 == 0.0){ + errno = EDOM; + return 0.0; + } + if(arg1+arg2 == arg1) { + if(arg1 >= 0) + return pio2; + return -pio2; + } + arg1 = atan(arg1/arg2); + if(arg2 < 0) { + if(arg1 <= 0) + return arg1 + pi; + return arg1 - pi; + } + return arg1; +} diff --git a/sys/src/ape/lib/ap/math/erf.c b/sys/src/ape/lib/ap/math/erf.c new file mode 100755 index 000000000..60ba4ee05 --- /dev/null +++ b/sys/src/ape/lib/ap/math/erf.c @@ -0,0 +1,116 @@ +#include <math.h> +#include <errno.h> +/* + C program for floating point error function + + erf(x) returns the error function of its argument + erfc(x) returns 1 - erf(x) + + erf(x) is defined by + ${2 over sqrt(pi)} int from 0 to x e sup {-t sup 2} dt$ + + the entry for erfc is provided because of the + extreme loss of relative accuracy if erf(x) is + called for large x and the result subtracted + from 1. (e.g. for x= 10, 12 places are lost). + + There are no error returns. + + Calls exp. + + Coefficients for large x are #5667 from Hart & Cheney (18.72D). +*/ + +#define M 7 +#define N 9 +static double torp = 1.1283791670955125738961589031; +static double p1[] = { + 0.804373630960840172832162e5, + 0.740407142710151470082064e4, + 0.301782788536507577809226e4, + 0.380140318123903008244444e2, + 0.143383842191748205576712e2, + -.288805137207594084924010e0, + 0.007547728033418631287834e0, +}; +static double q1[] = { + 0.804373630960840172826266e5, + 0.342165257924628539769006e5, + 0.637960017324428279487120e4, + 0.658070155459240506326937e3, + 0.380190713951939403753468e2, + 0.100000000000000000000000e1, + 0.0, +}; +static double p2[] = { + 0.18263348842295112592168999e4, + 0.28980293292167655611275846e4, + 0.2320439590251635247384768711e4, + 0.1143262070703886173606073338e4, + 0.3685196154710010637133875746e3, + 0.7708161730368428609781633646e2, + 0.9675807882987265400604202961e1, + 0.5641877825507397413087057563e0, + 0.0, +}; +static double q2[] = { + 0.18263348842295112595576438e4, + 0.495882756472114071495438422e4, + 0.60895424232724435504633068e4, + 0.4429612803883682726711528526e4, + 0.2094384367789539593790281779e4, + 0.6617361207107653469211984771e3, + 0.1371255960500622202878443578e3, + 0.1714980943627607849376131193e2, + 1.0, +}; + +double erfc(double); + +double +erf(double arg) +{ + int sign; + double argsq; + double d, n; + int i; + + errno = 0; + sign = 1; + if(arg < 0) { + arg = -arg; + sign = -1; + } + if(arg < 0.5) { + argsq = arg*arg; + for(n=0,d=0,i=M-1; i>=0; i--) { + n = n*argsq + p1[i]; + d = d*argsq + q1[i]; + } + return sign*torp*arg*n/d; + } + if(arg >= 10) + return sign; + return sign*(1 - erfc(arg)); +} + +double +erfc(double arg) +{ + double n, d; + int i; + + errno = 0; + if(arg < 0) + return 2 - erfc(-arg); + if(arg < 0.5) + return 1 - erf(arg); + if(arg >= 10) + return 0; + + for(n=0,d=0,i=N-1; i>=0; i--) { + n = n*arg + p2[i]; + d = d*arg + q2[i]; + } + return exp(-arg*arg)*n/d; +} diff --git a/sys/src/ape/lib/ap/math/exp.c b/sys/src/ape/lib/ap/math/exp.c new file mode 100755 index 000000000..06d21d70f --- /dev/null +++ b/sys/src/ape/lib/ap/math/exp.c @@ -0,0 +1,44 @@ +/* + exp returns the exponential function of its + floating-point argument. + + The coefficients are #1069 from Hart and Cheney. (22.35D) +*/ + +#include <math.h> +#include <errno.h> + +#define p0 .2080384346694663001443843411e7 +#define p1 .3028697169744036299076048876e5 +#define p2 .6061485330061080841615584556e2 +#define q0 .6002720360238832528230907598e7 +#define q1 .3277251518082914423057964422e6 +#define q2 .1749287689093076403844945335e4 +#define log2e 1.4426950408889634073599247 +#define sqrt2 1.4142135623730950488016887 +#define maxf 10000 + +double +exp(double arg) +{ + double fract, temp1, temp2, xsq; + int ent; + + if(arg == 0) + return 1; + if(arg < -maxf) { + errno = ERANGE; + return 0; + } + if(arg > maxf) { + errno = ERANGE; + return HUGE_VAL; + } + arg *= log2e; + ent = floor(arg); + fract = (arg-ent) - 0.5; + xsq = fract*fract; + temp1 = ((p2*xsq+p1)*xsq+p0)*fract; + temp2 = ((xsq+q2)*xsq+q1)*xsq + q0; + return ldexp(sqrt2*(temp2+temp1)/(temp2-temp1), ent); +} diff --git a/sys/src/ape/lib/ap/math/fabs.c b/sys/src/ape/lib/ap/math/fabs.c new file mode 100755 index 000000000..5566e165b --- /dev/null +++ b/sys/src/ape/lib/ap/math/fabs.c @@ -0,0 +1,10 @@ +#include <math.h> + +double +fabs(double arg) +{ + + if(arg < 0) + return -arg; + return arg; +} diff --git a/sys/src/ape/lib/ap/math/floor.c b/sys/src/ape/lib/ap/math/floor.c new file mode 100755 index 000000000..dfab000c1 --- /dev/null +++ b/sys/src/ape/lib/ap/math/floor.c @@ -0,0 +1,26 @@ +#include <math.h> +/* + * floor and ceil-- greatest integer <= arg + * (resp least >=) + */ + +double +floor(double d) +{ + double fract; + + if(d < 0) { + fract = modf(-d, &d); + if(fract != 0.0) + d += 1; + d = -d; + } else + modf(d, &d); + return d; +} + +double +ceil(double d) +{ + return -floor(-d); +} diff --git a/sys/src/ape/lib/ap/math/fmod.c b/sys/src/ape/lib/ap/math/fmod.c new file mode 100755 index 000000000..876c64c39 --- /dev/null +++ b/sys/src/ape/lib/ap/math/fmod.c @@ -0,0 +1,27 @@ +/* floating-point mod function without infinity or NaN checking */ +#include <math.h> +double +fmod (double x, double y) +{ + int sign = 0, yexp; + double r, yfr; + + if (y == 0) + return 0; + if (y < 0) + y = -y; + yfr = frexp (y, &yexp); + if (x < 0) { + sign = 1; + r = -x; + } else + r = x; + while (r >= y) { + int rexp; + double rfr = frexp (r, &rexp); + r -= ldexp (y, rexp - yexp - (rfr < yfr)); + } + if (sign) + r = -r; + return r; +} diff --git a/sys/src/ape/lib/ap/math/gamma.c b/sys/src/ape/lib/ap/math/gamma.c new file mode 100755 index 000000000..7b541042b --- /dev/null +++ b/sys/src/ape/lib/ap/math/gamma.c @@ -0,0 +1,116 @@ +#include <math.h> +#include <errno.h> + +/* + C program for floating point log gamma function + + gamma(x) computes the log of the absolute + value of the gamma function. + The sign of the gamma function is returned in the + external quantity signgam. + + The coefficients for expansion around zero + are #5243 from Hart & Cheney; for expansion + around infinity they are #5404. + + Calls log and sin. +*/ + +int signgam; +static double goobie = 0.9189385332046727417803297; +static double pi = 3.1415926535897932384626434; + +#define M 6 +#define N 8 +static double p1[] = { + 0.83333333333333101837e-1, + -.277777777735865004e-2, + 0.793650576493454e-3, + -.5951896861197e-3, + 0.83645878922e-3, + -.1633436431e-2, +}; +static double p2[] = { + -.42353689509744089647e5, + -.20886861789269887364e5, + -.87627102978521489560e4, + -.20085274013072791214e4, + -.43933044406002567613e3, + -.50108693752970953015e2, + -.67449507245925289918e1, + 0.0, +}; +static double q2[] = { + -.42353689509744090010e5, + -.29803853309256649932e4, + 0.99403074150827709015e4, + -.15286072737795220248e4, + -.49902852662143904834e3, + 0.18949823415702801641e3, + -.23081551524580124562e2, + 0.10000000000000000000e1, +}; + +static double +asym(double arg) +{ + double n, argsq; + int i; + + argsq = 1 / (arg*arg); + n = 0; + for(i=M-1; i>=0; i--) + n = n*argsq + p1[i]; + return (arg-.5)*log(arg) - arg + goobie + n/arg; +} + +static double +pos(double arg) +{ + double n, d, s; + int i; + + if(arg < 2) + return pos(arg+1)/arg; + if(arg > 3) + return (arg-1)*pos(arg-1); + + s = arg - 2; + n = 0; + d = 0; + for(i=N-1; i>=0; i--){ + n = n*s + p2[i]; + d = d*s + q2[i]; + } + return n/d; +} + +static double +neg(double arg) +{ + double temp; + + arg = -arg; + temp = sin(pi*arg); + if(temp == 0) { + errno = EDOM; + return HUGE_VAL; + } + if(temp < 0) + temp = -temp; + else + signgam = -1; + return -log(arg*pos(arg)*temp/pi); +} + +double +gamma(double arg) +{ + + signgam = 1; + if(arg <= 0) + return neg(arg); + if(arg > 8) + return asym(arg); + return log(pos(arg)); +} diff --git a/sys/src/ape/lib/ap/math/hypot.c b/sys/src/ape/lib/ap/math/hypot.c new file mode 100755 index 000000000..25457d8a9 --- /dev/null +++ b/sys/src/ape/lib/ap/math/hypot.c @@ -0,0 +1,29 @@ +#include <math.h> +/* + * sqrt(a^2 + b^2) + * (but carefully) + */ + +double +hypot(double a, double b) +{ + double t; + + if(a < 0) + a = -a; + if(b < 0) + b = -b; + if(a > b) { + t = a; + a = b; + b = t; + } + if(b == 0) + return 0; + a /= b; + /* + * pathological overflow possible + * in the next line. + */ + return b * sqrt(1 + a*a); +} diff --git a/sys/src/ape/lib/ap/math/j0.c b/sys/src/ape/lib/ap/math/j0.c new file mode 100755 index 000000000..7dea3c9d1 --- /dev/null +++ b/sys/src/ape/lib/ap/math/j0.c @@ -0,0 +1,188 @@ +#include <math.h> +#include <errno.h> +/* + floating point Bessel's function + of the first and second kinds + of order zero + + j0(x) returns the value of J0(x) + for all real values of x. + + There are no error returns. + Calls sin, cos, sqrt. + + There is a niggling bug in J0 which + causes errors up to 2e-16 for x in the + interval [-8,8]. + The bug is caused by an inappropriate order + of summation of the series. rhm will fix it + someday. + + Coefficients are from Hart & Cheney. + #5849 (19.22D) + #6549 (19.25D) + #6949 (19.41D) + + y0(x) returns the value of Y0(x) + for positive real values of x. + For x<=0, error number EDOM is set and a + large negative value is returned. + + Calls sin, cos, sqrt, log, j0. + + The values of Y0 have not been checked + to more than ten places. + + Coefficients are from Hart & Cheney. + #6245 (18.78D) + #6549 (19.25D) + #6949 (19.41D) +*/ + +static double pzero, qzero; +static double tpi = .6366197723675813430755350535e0; +static double pio4 = .7853981633974483096156608458e0; +static double p1[] = { + 0.4933787251794133561816813446e21, + -.1179157629107610536038440800e21, + 0.6382059341072356562289432465e19, + -.1367620353088171386865416609e18, + 0.1434354939140344111664316553e16, + -.8085222034853793871199468171e13, + 0.2507158285536881945555156435e11, + -.4050412371833132706360663322e8, + 0.2685786856980014981415848441e5, +}; +static double q1[] = { + 0.4933787251794133562113278438e21, + 0.5428918384092285160200195092e19, + 0.3024635616709462698627330784e17, + 0.1127756739679798507056031594e15, + 0.3123043114941213172572469442e12, + 0.6699987672982239671814028660e9, + 0.1114636098462985378182402543e7, + 0.1363063652328970604442810507e4, + 1.0 +}; +static double p2[] = { + 0.5393485083869438325262122897e7, + 0.1233238476817638145232406055e8, + 0.8413041456550439208464315611e7, + 0.2016135283049983642487182349e7, + 0.1539826532623911470917825993e6, + 0.2485271928957404011288128951e4, + 0.0, +}; +static double q2[] = { + 0.5393485083869438325560444960e7, + 0.1233831022786324960844856182e8, + 0.8426449050629797331554404810e7, + 0.2025066801570134013891035236e7, + 0.1560017276940030940592769933e6, + 0.2615700736920839685159081813e4, + 1.0, +}; +static double p3[] = { + -.3984617357595222463506790588e4, + -.1038141698748464093880530341e5, + -.8239066313485606568803548860e4, + -.2365956170779108192723612816e4, + -.2262630641933704113967255053e3, + -.4887199395841261531199129300e1, + 0.0, +}; +static double q3[] = { + 0.2550155108860942382983170882e6, + 0.6667454239319826986004038103e6, + 0.5332913634216897168722255057e6, + 0.1560213206679291652539287109e6, + 0.1570489191515395519392882766e5, + 0.4087714673983499223402830260e3, + 1.0, +}; +static double p4[] = { + -.2750286678629109583701933175e20, + 0.6587473275719554925999402049e20, + -.5247065581112764941297350814e19, + 0.1375624316399344078571335453e18, + -.1648605817185729473122082537e16, + 0.1025520859686394284509167421e14, + -.3436371222979040378171030138e11, + 0.5915213465686889654273830069e8, + -.4137035497933148554125235152e5, +}; +static double q4[] = { + 0.3726458838986165881989980e21, + 0.4192417043410839973904769661e19, + 0.2392883043499781857439356652e17, + 0.9162038034075185262489147968e14, + 0.2613065755041081249568482092e12, + 0.5795122640700729537480087915e9, + 0.1001702641288906265666651753e7, + 0.1282452772478993804176329391e4, + 1.0, +}; + +static +asympt(double arg) +{ + double zsq, n, d; + int i; + + zsq = 64 / (arg*arg); + for(n=0,d=0,i=6;i>=0;i--) { + n = n*zsq + p2[i]; + d = d*zsq + q2[i]; + } + pzero = n/d; + for(n=0,d=0,i=6;i>=0;i--) { + n = n*zsq + p3[i]; + d = d*zsq + q3[i]; + } + qzero = (8/arg)*(n/d); +} + +double +j0(double arg) +{ + double argsq, n, d; + int i; + + if(arg < 0) + arg = -arg; + if(arg > 8) { + asympt(arg); + n = arg - pio4; + return sqrt(tpi/arg)*(pzero*cos(n) - qzero*sin(n)); + } + argsq = arg*arg; + for(n=0,d=0,i=8;i>=0;i--) { + n = n*argsq + p1[i]; + d = d*argsq + q1[i]; + } + return n/d; +} + +double +y0(double arg) +{ + double argsq, n, d; + int i; + + errno = 0; + if(arg <= 0) { + errno = EDOM; + return(-HUGE_VAL); + } + if(arg > 8) { + asympt(arg); + n = arg - pio4; + return sqrt(tpi/arg)*(pzero*sin(n) + qzero*cos(n)); + } + argsq = arg*arg; + for(n=0,d=0,i=8;i>=0;i--) { + n = n*argsq + p4[i]; + d = d*argsq + q4[i]; + } + return n/d + tpi*j0(arg)*log(arg); +} diff --git a/sys/src/ape/lib/ap/math/j1.c b/sys/src/ape/lib/ap/math/j1.c new file mode 100755 index 000000000..38c73fe2b --- /dev/null +++ b/sys/src/ape/lib/ap/math/j1.c @@ -0,0 +1,195 @@ +#include <math.h> +#include <errno.h> +/* + floating point Bessel's function + of the first and second kinds + of order one + + j1(x) returns the value of J1(x) + for all real values of x. + + There are no error returns. + Calls sin, cos, sqrt. + + There is a niggling bug in J1 which + causes errors up to 2e-16 for x in the + interval [-8,8]. + The bug is caused by an inappropriate order + of summation of the series. rhm will fix it + someday. + + Coefficients are from Hart & Cheney. + #6050 (20.98D) + #6750 (19.19D) + #7150 (19.35D) + + y1(x) returns the value of Y1(x) + for positive real values of x. + For x<=0, error number EDOM is set and a + large negative value is returned. + + Calls sin, cos, sqrt, log, j1. + + The values of Y1 have not been checked + to more than ten places. + + Coefficients are from Hart & Cheney. + #6447 (22.18D) + #6750 (19.19D) + #7150 (19.35D) +*/ + +static double pzero, qzero; +static double tpi = .6366197723675813430755350535e0; +static double pio4 = .7853981633974483096156608458e0; +static double p1[] = { + 0.581199354001606143928050809e21, + -.6672106568924916298020941484e20, + 0.2316433580634002297931815435e19, + -.3588817569910106050743641413e17, + 0.2908795263834775409737601689e15, + -.1322983480332126453125473247e13, + 0.3413234182301700539091292655e10, + -.4695753530642995859767162166e7, + 0.2701122710892323414856790990e4, +}; +static double q1[] = { + 0.1162398708003212287858529400e22, + 0.1185770712190320999837113348e20, + 0.6092061398917521746105196863e17, + 0.2081661221307607351240184229e15, + 0.5243710262167649715406728642e12, + 0.1013863514358673989967045588e10, + 0.1501793594998585505921097578e7, + 0.1606931573481487801970916749e4, + 1.0, +}; +static double p2[] = { + -.4435757816794127857114720794e7, + -.9942246505077641195658377899e7, + -.6603373248364939109255245434e7, + -.1523529351181137383255105722e7, + -.1098240554345934672737413139e6, + -.1611616644324610116477412898e4, + 0.0, +}; +static double q2[] = { + -.4435757816794127856828016962e7, + -.9934124389934585658967556309e7, + -.6585339479723087072826915069e7, + -.1511809506634160881644546358e7, + -.1072638599110382011903063867e6, + -.1455009440190496182453565068e4, + 1.0, +}; +static double p3[] = { + 0.3322091340985722351859704442e5, + 0.8514516067533570196555001171e5, + 0.6617883658127083517939992166e5, + 0.1849426287322386679652009819e5, + 0.1706375429020768002061283546e4, + 0.3526513384663603218592175580e2, + 0.0, +}; +static double q3[] = { + 0.7087128194102874357377502472e6, + 0.1819458042243997298924553839e7, + 0.1419460669603720892855755253e7, + 0.4002944358226697511708610813e6, + 0.3789022974577220264142952256e5, + 0.8638367769604990967475517183e3, + 1.0, +}; +static double p4[] = { + -.9963753424306922225996744354e23, + 0.2655473831434854326894248968e23, + -.1212297555414509577913561535e22, + 0.2193107339917797592111427556e20, + -.1965887462722140658820322248e18, + 0.9569930239921683481121552788e15, + -.2580681702194450950541426399e13, + 0.3639488548124002058278999428e10, + -.2108847540133123652824139923e7, + 0.0, +}; +static double q4[] = { + 0.5082067366941243245314424152e24, + 0.5435310377188854170800653097e22, + 0.2954987935897148674290758119e20, + 0.1082258259408819552553850180e18, + 0.2976632125647276729292742282e15, + 0.6465340881265275571961681500e12, + 0.1128686837169442121732366891e10, + 0.1563282754899580604737366452e7, + 0.1612361029677000859332072312e4, + 1.0, +}; + +static +asympt(double arg) +{ + double zsq, n, d; + int i; + + zsq = 64/(arg*arg); + for(n=0,d=0,i=6;i>=0;i--) { + n = n*zsq + p2[i]; + d = d*zsq + q2[i]; + } + pzero = n/d; + for(n=0,d=0,i=6;i>=0;i--) { + n = n*zsq + p3[i]; + d = d*zsq + q3[i]; + } + qzero = (8/arg)*(n/d); +} + +double +j1(double arg) +{ + double xsq, n, d, x; + int i; + + x = arg; + if(x < 0) + x = -x; + if(x > 8) { + asympt(x); + n = x - 3*pio4; + n = sqrt(tpi/x)*(pzero*cos(n) - qzero*sin(n)); + if(arg < 0) + n = -n; + return n; + } + xsq = x*x; + for(n=0,d=0,i=8;i>=0;i--) { + n = n*xsq + p1[i]; + d = d*xsq + q1[i]; + } + return arg*n/d; +} + +double +y1(double arg) +{ + double xsq, n, d, x; + int i; + + errno = 0; + x = arg; + if(x <= 0) { + errno = EDOM; + return -HUGE_VAL; + } + if(x > 8) { + asympt(x); + n = x - 3*pio4; + return sqrt(tpi/x)*(pzero*sin(n) + qzero*cos(n)); + } + xsq = x*x; + for(n=0,d=0,i=9;i>=0;i--) { + n = n*xsq + p4[i]; + d = d*xsq + q4[i]; + } + return x*n/d + tpi*(j1(x)*log(x)-1/x); +} diff --git a/sys/src/ape/lib/ap/math/jn.c b/sys/src/ape/lib/ap/math/jn.c new file mode 100755 index 000000000..55e985d48 --- /dev/null +++ b/sys/src/ape/lib/ap/math/jn.c @@ -0,0 +1,116 @@ +#include <math.h> +#include <errno.h> + +/* + floating point Bessel's function of + the first and second kinds and of + integer order. + + int n; + double x; + jn(n,x); + + returns the value of Jn(x) for all + integer values of n and all real values + of x. + + There are no error returns. + Calls j0, j1. + + For n=0, j0(x) is called, + for n=1, j1(x) is called, + for n<x, forward recursion us used starting + from values of j0(x) and j1(x). + for n>x, a continued fraction approximation to + j(n,x)/j(n-1,x) is evaluated and then backward + recursion is used starting from a supposed value + for j(n,x). The resulting value of j(0,x) is + compared with the actual value to correct the + supposed value of j(n,x). + + yn(n,x) is similar in all respects, except + that forward recursion is used for all + values of n>1. +*/ + +double j0(double); +double j1(double); +double y0(double); +double y1(double); + +double +jn(int n, double x) +{ + int i; + double a, b, temp; + double xsq, t; + + if(n < 0) { + n = -n; + x = -x; + } + if(n == 0) + return j0(x); + if(n == 1) + return j1(x); + if(x == 0) + return 0; + if(n > x) + goto recurs; + + a = j0(x); + b = j1(x); + for(i=1; i<n; i++) { + temp = b; + b = (2*i/x)*b - a; + a = temp; + } + return b; + +recurs: + xsq = x*x; + for(t=0,i=n+16; i>n; i--) + t = xsq/(2*i - t); + t = x/(2*n-t); + + a = t; + b = 1; + for(i=n-1; i>0; i--) { + temp = b; + b = (2*i/x)*b - a; + a = temp; + } + return t*j0(x)/b; +} + +double +yn(int n, double x) +{ + int i; + int sign; + double a, b, temp; + + if (x <= 0) { + errno = EDOM; + return -HUGE_VAL; + } + sign = 1; + if(n < 0) { + n = -n; + if(n%2 == 1) + sign = -1; + } + if(n == 0) + return y0(x); + if(n == 1) + return sign*y1(x); + + a = y0(x); + b = y1(x); + for(i=1; i<n; i++) { + temp = b; + b = (2*i/x)*b - a; + a = temp; + } + return sign*b; +} diff --git a/sys/src/ape/lib/ap/math/log.c b/sys/src/ape/lib/ap/math/log.c new file mode 100755 index 000000000..bc1c2e1cb --- /dev/null +++ b/sys/src/ape/lib/ap/math/log.c @@ -0,0 +1,62 @@ +/* + log returns the natural logarithm of its floating + point argument. + + The coefficients are #2705 from Hart & Cheney. (19.38D) + + It calls frexp. +*/ + +#include <math.h> +#include <errno.h> + +#define log2 0.693147180559945309e0 +#define ln10o1 .4342944819032518276511 +#define sqrto2 0.707106781186547524e0 +#define p0 -.240139179559210510e2 +#define p1 0.309572928215376501e2 +#define p2 -.963769093377840513e1 +#define p3 0.421087371217979714e0 +#define q0 -.120069589779605255e2 +#define q1 0.194809660700889731e2 +#define q2 -.891110902798312337e1 + +double +log(double arg) +{ + double x, z, zsq, temp; + int exp; + + if(arg <= 0) { + errno = (arg==0)? ERANGE : EDOM; + return -HUGE_VAL; + } + x = frexp(arg, &exp); + while(x < 0.5) { + x *= 2; + exp--; + } + if(x < sqrto2) { + x *= 2; + exp--; + } + + z = (x-1) / (x+1); + zsq = z*z; + + temp = ((p3*zsq + p2)*zsq + p1)*zsq + p0; + temp = temp/(((zsq + q2)*zsq + q1)*zsq + q0); + temp = temp*z + exp*log2; + return temp; +} + +double +log10(double arg) +{ + + if(arg <= 0) { + errno = (arg==0)? ERANGE : EDOM; + return -HUGE_VAL; + } + return log(arg) * ln10o1; +} diff --git a/sys/src/ape/lib/ap/math/mkfile b/sys/src/ape/lib/ap/math/mkfile new file mode 100755 index 000000000..5e2d7483f --- /dev/null +++ b/sys/src/ape/lib/ap/math/mkfile @@ -0,0 +1,27 @@ +APE=/sys/src/ape +<$APE/config +LIB=/$objtype/lib/ape/libap.a +OFILES=\ + asin.$O\ + atan.$O\ + atan2.$O\ + erf.$O\ + exp.$O\ + fabs.$O\ + floor.$O\ + fmod.$O\ + gamma.$O\ + hypot.$O\ + j0.$O\ + j1.$O\ + jn.$O\ + log.$O\ + pow.$O\ + sin.$O\ + sinh.$O\ + tan.$O\ + tanh.$O\ + +</sys/src/cmd/mksyslib + +CFLAGS=-c -D_POSIX_SOURCE diff --git a/sys/src/ape/lib/ap/math/modf.c b/sys/src/ape/lib/ap/math/modf.c new file mode 100755 index 000000000..4326cf44a --- /dev/null +++ b/sys/src/ape/lib/ap/math/modf.c @@ -0,0 +1,53 @@ +#include <math.h> +#include <errno.h> + +/* modf suitable for IEEE double-precision */ + +#define MASK 0x7ffL +#define SIGN 0x80000000 +#define SHIFT 20 +#define BIAS 1022L + +typedef union +{ + double d; + struct + { + long ms; + long ls; + } i; +} Cheat; + +double +modf(double d, double *ip) +{ + Cheat x; + int e; + + if(-1 < d && d < 1) { + *ip = 0; + return d; + } + x.d = d; + x.i.ms &= ~SIGN; + e = (x.i.ms >> SHIFT) & MASK; + if(e == MASK || e == 0){ + errno = EDOM; + *ip = (d > 0)? HUGE_VAL : -HUGE_VAL; + return 0; + } + e -= BIAS; + if(e <= SHIFT+1) { + x.i.ms &= ~(0x1fffffL >> e); + x.i.ls = 0; + } else + if(e <= SHIFT+33) + x.i.ls &= ~(0x7fffffffL >> (e-SHIFT-2)); + if(d > 0){ + *ip = x.d; + return d - x.d; + }else{ + *ip = -x.d; + return d + x.d; + } +} diff --git a/sys/src/ape/lib/ap/math/pow.c b/sys/src/ape/lib/ap/math/pow.c new file mode 100755 index 000000000..9512a649b --- /dev/null +++ b/sys/src/ape/lib/ap/math/pow.c @@ -0,0 +1,76 @@ +#include <math.h> +#include <errno.h> +#include <limits.h> + +double +pow(double x, double y) /* return x ^ y (exponentiation) */ +{ + double xy, y1, ye; + long i; + int ex, ey, flip; + + if(y == 0.0) + return 1.0; + + flip = 0; + if(y < 0.){ + y = -y; + flip = 1; + } + y1 = modf(y, &ye); + if(y1 != 0.0){ + if(x <= 0.) + goto zreturn; + if(y1 > 0.5) { + y1 -= 1.; + ye += 1.; + } + xy = exp(y1 * log(x)); + }else + xy = 1.0; + if(ye > LONG_MAX){ + if(x <= 0.){ + zreturn: + if(x || flip) + errno = EDOM; + return 0.; + } + if(flip){ + if(y == .5) + return 1./sqrt(x); + y = -y; + }else if(y == .5) + return sqrt(x); + return exp(y * log(x)); + } + x = frexp(x, &ex); + ey = 0; + i = ye; + if(i) + for(;;){ + if(i & 1){ + xy *= x; + ey += ex; + } + i >>= 1; + if(i == 0) + break; + x *= x; + ex <<= 1; + if(x < .5){ + x += x; + ex -= 1; + } + } + if(flip){ + xy = 1. / xy; + ey = -ey; + } + errno = 0; + x = ldexp(xy, ey); + if(errno && ey < 0) { + errno = 0; + x = 0.; + } + return x; +} diff --git a/sys/src/ape/lib/ap/math/sin.c b/sys/src/ape/lib/ap/math/sin.c new file mode 100755 index 000000000..694a223f4 --- /dev/null +++ b/sys/src/ape/lib/ap/math/sin.c @@ -0,0 +1,68 @@ +/* + C program for floating point sin/cos. + Calls modf. + There are no error exits. + Coefficients are #3370 from Hart & Cheney (18.80D). +*/ + +#include <math.h> + +#define PIO2 1.570796326794896619231e0 +#define p0 .1357884097877375669092680e8 +#define p1 -.4942908100902844161158627e7 +#define p2 .4401030535375266501944918e6 +#define p3 -.1384727249982452873054457e5 +#define p4 .1459688406665768722226959e3 +#define q0 .8644558652922534429915149e7 +#define q1 .4081792252343299749395779e6 +#define q2 .9463096101538208180571257e4 +#define q3 .1326534908786136358911494e3 + +static +double +sinus(double arg, int quad) +{ + double e, f, ysq, x, y, temp1, temp2; + int k; + + x = arg; + if(x < 0) { + x = -x; + quad += 2; + } + x *= 1/PIO2; /* underflow? */ + if(x > 32764) { + y = modf(x, &e); + e += quad; + modf(0.25*e, &f); + quad = e - 4*f; + } else { + k = x; + y = x - k; + quad += k; + quad &= 3; + } + if(quad & 1) + y = 1-y; + if(quad > 1) + y = -y; + + ysq = y*y; + temp1 = ((((p4*ysq+p3)*ysq+p2)*ysq+p1)*ysq+p0)*y; + temp2 = ((((ysq+q3)*ysq+q2)*ysq+q1)*ysq+q0); + return temp1/temp2; +} + +double +cos(double arg) +{ + if(arg < 0) + arg = -arg; + return sinus(arg, 1); +} + +double +sin(double arg) +{ + return sinus(arg, 0); +} diff --git a/sys/src/ape/lib/ap/math/sinh.c b/sys/src/ape/lib/ap/math/sinh.c new file mode 100755 index 000000000..58c261b76 --- /dev/null +++ b/sys/src/ape/lib/ap/math/sinh.c @@ -0,0 +1,71 @@ +/* + sinh(arg) returns the hyperbolic sine of its floating- + point argument. + + The exponential function is called for arguments + greater in magnitude than 0.5. + + A series is used for arguments smaller in magnitude than 0.5. + The coefficients are #2029 from Hart & Cheney. (20.36D) + + cosh(arg) is computed from the exponential function for + all arguments. +*/ + +#include <math.h> +#include <errno.h> + +static double p0 = -0.6307673640497716991184787251e+6; +static double p1 = -0.8991272022039509355398013511e+5; +static double p2 = -0.2894211355989563807284660366e+4; +static double p3 = -0.2630563213397497062819489e+2; +static double q0 = -0.6307673640497716991212077277e+6; +static double q1 = 0.1521517378790019070696485176e+5; +static double q2 = -0.173678953558233699533450911e+3; + +double +sinh(double arg) +{ + double temp, argsq; + int sign; + + sign = 1; + if(arg < 0) { + arg = - arg; + sign = -1; + } + if(arg > 21) { + if(arg >= HUGE_VAL){ + errno = ERANGE; + temp = HUGE_VAL; + } else + temp = exp(arg)/2; + if(sign > 0) + return temp; + else + return -temp; + } + + if(arg > 0.5) + return sign*(exp(arg) - exp(-arg))/2; + + argsq = arg*arg; + temp = (((p3*argsq+p2)*argsq+p1)*argsq+p0)*arg; + temp /= (((argsq+q2)*argsq+q1)*argsq+q0); + return sign*temp; +} + +double +cosh(double arg) +{ + if(arg < 0) + arg = - arg; + if(arg > 21) { + if(arg >= HUGE_VAL){ + errno = ERANGE; + return HUGE_VAL; + } else + return(exp(arg)/2); + } + return (exp(arg) + exp(-arg))/2; +} diff --git a/sys/src/ape/lib/ap/math/tan.c b/sys/src/ape/lib/ap/math/tan.c new file mode 100755 index 000000000..5147f8bc1 --- /dev/null +++ b/sys/src/ape/lib/ap/math/tan.c @@ -0,0 +1,70 @@ +/* + floating point tangent + + A series is used after range reduction. + Coefficients are #4285 from Hart & Cheney. (19.74D) + */ + +#include <math.h> +#include <errno.h> + +static double invpi = 1.27323954473516268; +static double p0 = -0.1306820264754825668269611177e+5; +static double p1 = 0.1055970901714953193602353981e+4; +static double p2 = -0.1550685653483266376941705728e+2; +static double p3 = 0.3422554387241003435328470489e-1; +static double p4 = 0.3386638642677172096076369e-4; +static double q0 = -0.1663895238947119001851464661e+5; +static double q1 = 0.4765751362916483698926655581e+4; +static double q2 = -0.1555033164031709966900124574e+3; + +double +tan(double arg) +{ + double sign, temp, e, x, xsq; + int flag, i; + + flag = 0; + sign = 1; + if(arg < 0){ + arg = -arg; + sign = -1; + } + arg = arg*invpi; /* overflow? */ + x = modf(arg, &e); + i = e; + switch(i%4) { + case 1: + x = 1 - x; + flag = 1; + break; + + case 2: + sign = - sign; + flag = 1; + break; + + case 3: + x = 1 - x; + sign = - sign; + break; + + case 0: + break; + } + + xsq = x*x; + temp = ((((p4*xsq+p3)*xsq+p2)*xsq+p1)*xsq+p0)*x; + temp = temp/(((xsq+q2)*xsq+q1)*xsq+q0); + + if(flag == 1) { + if(temp == 0) { + errno = EDOM; + if (sign > 0) + return HUGE_VAL; + return -HUGE_VAL; + } + temp = 1/temp; + } + return sign*temp; +} diff --git a/sys/src/ape/lib/ap/math/tanh.c b/sys/src/ape/lib/ap/math/tanh.c new file mode 100755 index 000000000..cad68362b --- /dev/null +++ b/sys/src/ape/lib/ap/math/tanh.c @@ -0,0 +1,24 @@ +#include <math.h> + +/* + tanh(arg) computes the hyperbolic tangent of its floating + point argument. + + sinh and cosh are called except for large arguments, which + would cause overflow improperly. + */ + +double +tanh(double arg) +{ + + if(arg < 0) { + arg = -arg; + if(arg > 21) + return -1; + return -sinh(arg)/cosh(arg); + } + if(arg > 21) + return 1; + return sinh(arg)/cosh(arg); +} diff --git a/sys/src/ape/lib/ap/mips/cycles.c b/sys/src/ape/lib/ap/mips/cycles.c new file mode 100755 index 000000000..1c32bc732 --- /dev/null +++ b/sys/src/ape/lib/ap/mips/cycles.c @@ -0,0 +1,5 @@ +void +_cycles(unsigned long long *u) +{ + *u = 0; +} diff --git a/sys/src/ape/lib/ap/mips/getfcr.s b/sys/src/ape/lib/ap/mips/getfcr.s new file mode 100755 index 000000000..9e84cbccd --- /dev/null +++ b/sys/src/ape/lib/ap/mips/getfcr.s @@ -0,0 +1,15 @@ +TEXT getfsr(SB), $0 + MOVW FCR31, R1 + RET + +TEXT setfsr(SB), $0 + MOVW R1, FCR31 + RET + +TEXT getfcr(SB), $0 + MOVW FCR31, R1 + RET + +TEXT setfcr(SB), $0 + MOVW R1, FCR31 + RET diff --git a/sys/src/ape/lib/ap/mips/lock.c b/sys/src/ape/lib/ap/mips/lock.c new file mode 100755 index 000000000..f0ecbe22a --- /dev/null +++ b/sys/src/ape/lib/ap/mips/lock.c @@ -0,0 +1,172 @@ +#define _LOCK_EXTENSION +#include <stdlib.h> +#include <string.h> +#include "../plan9/sys9.h" +#include <lock.h> + +enum +{ + Pagesize = 4096, + Semperpg = Pagesize/(16*sizeof(unsigned int)), + Lockaddr = 0x60000000, + + POWER = 0x320, + MAGNUM = 0x330, + MAGNUMII = 0x340, + R4K = 0x500, +}; + +static int arch; +extern int C_3ktas(int*); +extern int C_4ktas(int*); +extern int C_fcr0(void); + +static void +lockinit(void) +{ + int n; + + if(arch != 0) + return; /* allow multiple calls */ + arch = C_fcr0(); + switch(arch) { + case POWER: + n = _SEGATTACH(0, "lock", (void*)Lockaddr, Pagesize); + if(n < 0) { + arch = MAGNUM; + break; + } + memset((void*)Lockaddr, 0, Pagesize); + break; + case MAGNUM: + case MAGNUMII: + case R4K: + break; + default: + abort(); + } + +} + +void +lock(Lock *lk) +{ + int *hwsem; + int hash; + +retry: + switch(arch) { + case 0: + lockinit(); + goto retry; + case MAGNUM: + case MAGNUMII: + while(C_3ktas(&lk->val)) + _SLEEP(0); + return; + case R4K: + for(;;){ + while(lk->val) + ; + if(C_4ktas(&lk->val) == 0) + return; + } + break; + case POWER: + /* Use low order lock bits to generate hash */ + hash = ((int)lk/sizeof(int)) & (Semperpg-1); + hwsem = (int*)Lockaddr+hash; + + for(;;) { + if((*hwsem & 1) == 0) { + if(lk->val) + *hwsem = 0; + else { + lk->val = 1; + *hwsem = 0; + return; + } + } + while(lk->val) + ; + } + } +} + +int +canlock(Lock *lk) +{ + int *hwsem; + int hash; + +retry: + switch(arch) { + case 0: + lockinit(); + goto retry; + case MAGNUM: + case MAGNUMII: + if(C_3ktas(&lk->val)) + return 0; + return 1; + case R4K: + if(C_4ktas(&lk->val)) + return 0; + return 1; + case POWER: + /* Use low order lock bits to generate hash */ + hash = ((int)lk/sizeof(int)) & (Semperpg-1); + hwsem = (int*)Lockaddr+hash; + + if((*hwsem & 1) == 0) { + if(lk->val) + *hwsem = 0; + else { + lk->val = 1; + *hwsem = 0; + return 1; + } + } + return 0; + } +} + +void +unlock(Lock *lk) +{ + lk->val = 0; +} + +int +tas(int *p) +{ + int *hwsem; + int hash; + +retry: + switch(arch) { + case 0: + lockinit(); + goto retry; + case MAGNUM: + case MAGNUMII: + return C_3ktas(p); + case R4K: + return C_4ktas(p); + case POWER: + /* Use low order lock bits to generate hash */ + hash = ((int)p/sizeof(int)) & (Semperpg-1); + hwsem = (int*)Lockaddr+hash; + + if((*hwsem & 1) == 0) { + if(*p) + *hwsem = 0; + else { + *p = 1; + *hwsem = 0; + return 0; + } + } + return 1; + } +} diff --git a/sys/src/ape/lib/ap/mips/main9.s b/sys/src/ape/lib/ap/mips/main9.s new file mode 100755 index 000000000..a3c224ace --- /dev/null +++ b/sys/src/ape/lib/ap/mips/main9.s @@ -0,0 +1,12 @@ + TEXT _main(SB), $16 + MOVW $setR30(SB), R30 + JAL _envsetup(SB) + MOVW inargc-4(FP), R1 + MOVW $inargv+0(FP), R2 + MOVW R1, 4(R29) + MOVW R2, 8(R29) + JAL main(SB) +loop: + MOVW R1, 4(R29) + JAL exit(SB) + JMP loop diff --git a/sys/src/ape/lib/ap/mips/main9p.s b/sys/src/ape/lib/ap/mips/main9p.s new file mode 100755 index 000000000..adc6e00b3 --- /dev/null +++ b/sys/src/ape/lib/ap/mips/main9p.s @@ -0,0 +1,54 @@ +#define NPRIVATES 16 + +GLOBL _tos(SB), $4 +GLOBL _privates(SB), $4 +GLOBL _nprivates(SB), $4 + +TEXT _mainp(SB), 1, $(3*4+NPRIVATES*4) + MOVW $setR30(SB), R30 + + /* _tos = arg */ + MOVW R1, _tos(SB) +/* + MOVW $0,FCR31 + NOR R0,R0 + MOVD $0.5, F26 + SUBD F26, F26, F24 + ADDD F26, F26, F28 + ADDD F28, F28, F30 +*/ + MOVW $8(SP), R1 + MOVW R1, _privates(SB) + MOVW $NPRIVATES, R1 + MOVW R1, _nprivates(SB) + + /* _profmain(); */ + JAL _profmain(SB) + + /* _tos->prof.pp = _tos->prof.next; */ + MOVW _tos+0(SB),R1 + MOVW 4(R1),R2 + MOVW R2,(R1) + + JAL _envsetup(SB) + + /* main(argc, argv, environ); */ + MOVW inargc-4(FP), R1 + MOVW $inargv+0(FP), R2 + MOVW environ(SB), R3 + MOVW R1, 4(R29) + MOVW R2, 8(R29) + MOVW R3, 12(R29) + JAL main(SB) +loop: + MOVW R1, 4(R29) + JAL exit(SB) + MOVW $_profin(SB), R0 /* force loading of profile */ + JMP loop + +TEXT _savearg(SB), 1, $0 + RET + +TEXT _callpc(SB), 1, $0 + MOVW argp-4(FP), R1 + RET diff --git a/sys/src/ape/lib/ap/mips/memchr.s b/sys/src/ape/lib/ap/mips/memchr.s new file mode 100755 index 000000000..5d1c3cc85 --- /dev/null +++ b/sys/src/ape/lib/ap/mips/memchr.s @@ -0,0 +1,39 @@ + TEXT memchr(SB), $0 +MOVW R1, 0(FP) + + MOVW n+8(FP), R1 + MOVW s1+0(FP), R2 + MOVBU c+7(FP), R3 + ADDU R1, R2, R6 + + AND $(~1), R1, R5 + ADDU R2, R5 + BEQ R2, R5, lt2 + +l1: + MOVBU 0(R2), R4 + MOVBU 1(R2), R7 + BEQ R3, R4, eq0 + ADDU $2, R2 + BEQ R3, R7, eq + BNE R2, R5, l1 + +lt2: + BEQ R2, R6, zret + +l2: + MOVBU (R2), R4 + ADDU $1, R2 + BEQ R3, R4, eq + BNE R2, R6, l2 +zret: + MOVW R0, R1 + RET + +eq0: + MOVW R2, R1 + RET + +eq: + SUBU $1,R2, R1 + RET diff --git a/sys/src/ape/lib/ap/mips/memcmp.s b/sys/src/ape/lib/ap/mips/memcmp.s new file mode 100755 index 000000000..c9142f85e --- /dev/null +++ b/sys/src/ape/lib/ap/mips/memcmp.s @@ -0,0 +1,114 @@ + TEXT memcmp(SB), $0 +MOVW R1, 0(FP) + +/* + * performance: + * alligned about 1.0us/call and 17.4mb/sec + * unalligned is about 3.1mb/sec + */ + + MOVW n+8(FP), R3 /* R3 is count */ + MOVW s1+0(FP), R4 /* R4 is pointer1 */ + MOVW s2+4(FP), R5 /* R5 is pointer2 */ + ADDU R3,R4, R6 /* R6 is end pointer1 */ + +/* + * if not at least 4 chars, + * dont even mess around. + * 3 chars to guarantee any + * rounding up to a word + * boundary and 4 characters + * to get at least maybe one + * full word cmp. + */ + SGT $4,R3, R1 + BNE R1, out + +/* + * test if both pointers + * are similarly word alligned + */ + XOR R4,R5, R1 + AND $3, R1 + BNE R1, out + +/* + * byte at a time to word allign + */ +l1: + AND $3,R4, R1 + BEQ R1, l2 + MOVB 0(R4), R8 + MOVB 0(R5), R9 + ADDU $1, R4 + BNE R8,R9, ne + ADDU $1, R5 + JMP l1 + +/* + * turn R3 into end pointer1-15 + * cmp 16 at a time while theres room + */ +l2: + ADDU $-15,R6, R3 +l3: + SGTU R3,R4, R1 + BEQ R1, l4 + MOVW 0(R4), R8 + MOVW 0(R5), R9 + MOVW 4(R4), R10 + BNE R8,R9, ne + MOVW 4(R5), R11 + MOVW 8(R4), R8 + BNE R10,R11, ne1 + MOVW 8(R5), R9 + MOVW 12(R4), R10 + BNE R8,R9, ne + MOVW 12(R5), R11 + ADDU $16, R4 + BNE R10,R11, ne1 + BNE R8,R9, ne + ADDU $16, R5 + JMP l3 + +/* + * turn R3 into end pointer1-3 + * cmp 4 at a time while theres room + */ +l4: + ADDU $-3,R6, R3 +l5: + SGTU R3,R4, R1 + BEQ R1, out + MOVW 0(R4), R8 + MOVW 0(R5), R9 + ADDU $4, R4 + BNE R8,R9, ne /* only works because big endian */ + ADDU $4, R5 + JMP l5 + +/* + * last loop, cmp byte at a time + */ +out: + SGTU R6,R4, R1 + BEQ R1, ret + MOVB 0(R4), R8 + MOVB 0(R5), R9 + ADDU $1, R4 + BNE R8,R9, ne + ADDU $1, R5 + JMP out + +ne1: + SGTU R10,R11, R1 + BNE R1, ret + MOVW $-1,R1 + RET +ne: + SGTU R8,R9, R1 + BNE R1, ret + MOVW $-1,R1 +ret: + RET + END diff --git a/sys/src/ape/lib/ap/mips/memmove.s b/sys/src/ape/lib/ap/mips/memmove.s new file mode 100755 index 000000000..c8e30a0b4 --- /dev/null +++ b/sys/src/ape/lib/ap/mips/memmove.s @@ -0,0 +1,161 @@ + TEXT memmove(SB), $0 + + JMP move + + TEXT memcpy(SB), $0 +move: + MOVW R1, s1+0(FP) + + MOVW n+8(FP), R3 /* R3 is count */ + MOVW R1, R4 /* R4 is to-pointer */ + SGT R0, R3, R5 + BEQ R5, ok + MOVW (R0), R0 /* abort if negative count */ +ok: + MOVW s2+4(FP), R5 /* R5 is from-pointer */ + ADDU R3,R5, R7 /* R7 is end from-pointer */ + ADDU R3,R4, R6 /* R6 is end to-pointer */ + +/* + * easiest test is copy backwards if + * destination string has higher mem address + */ + SGT $4,R3, R2 + SGTU R4,R5, R1 + BNE R1, back + +/* + * if not at least 4 chars, + * dont even mess around. + * 3 chars to guarantee any + * rounding up to a word + * boundary and 4 characters + * to get at least maybe one + * full word store. + */ + BNE R2, fout + +/* + * test if both pointers + * are similarly word aligned + */ + XOR R4,R5, R1 + AND $3, R1 + BNE R1, fout + +/* + * byte at a time to word align + */ +f1: + AND $3,R4, R1 + BEQ R1, f2 + MOVB 0(R5), R8 + ADDU $1, R5 + MOVB R8, 0(R4) + ADDU $1, R4 + JMP f1 + +/* + * turn R3 into to-end pointer-15 + * copy 16 at a time while theres room. + * R6 is smaller than R7 -- + * there are problems if R7 is 0. + */ +f2: + ADDU $-15,R6, R3 +f3: + SGTU R3,R4, R1 + BEQ R1, f4 + MOVW 0(R5), R8 + MOVW 4(R5), R9 + MOVW R8, 0(R4) + MOVW 8(R5), R8 + MOVW R9, 4(R4) + MOVW 12(R5), R9 + ADDU $16, R5 + MOVW R8, 8(R4) + MOVW R9, 12(R4) + ADDU $16, R4 + JMP f3 + +/* + * turn R3 into to-end pointer-3 + * copy 4 at a time while theres room + */ +f4: + ADDU $-3,R6, R3 +f5: + SGTU R3,R4, R1 + BEQ R1, fout + MOVW 0(R5), R8 + ADDU $4, R5 + MOVW R8, 0(R4) + ADDU $4, R4 + JMP f5 + +/* + * last loop, copy byte at a time + */ +fout: + BEQ R7,R5, ret + MOVB 0(R5), R8 + ADDU $1, R5 + MOVB R8, 0(R4) + ADDU $1, R4 + JMP fout + +/* + * whole thing repeated for backwards + */ +back: + BNE R2, bout + XOR R6,R7, R1 + AND $3, R1 + BNE R1, bout +b1: + AND $3,R7, R1 + BEQ R1, b2 + MOVB -1(R7), R8 + ADDU $-1, R7 + MOVB R8, -1(R6) + ADDU $-1, R6 + JMP b1 +b2: + ADDU $15,R5, R3 +b3: + SGTU R7,R3, R1 + BEQ R1, b4 + MOVW -4(R7), R8 + MOVW -8(R7), R9 + MOVW R8, -4(R6) + MOVW -12(R7), R8 + MOVW R9, -8(R6) + MOVW -16(R7), R9 + ADDU $-16, R7 + MOVW R8, -12(R6) + MOVW R9, -16(R6) + ADDU $-16, R6 + JMP b3 +b4: + ADDU $3,R5, R3 +b5: + SGTU R7,R3, R1 + BEQ R1, bout + MOVW -4(R7), R8 + ADDU $-4, R7 + MOVW R8, -4(R6) + ADDU $-4, R6 + JMP b5 + +bout: + BEQ R7,R5, ret + MOVB -1(R7), R8 + ADDU $-1, R7 + MOVB R8, -1(R6) + ADDU $-1, R6 + JMP bout + +ret: + MOVW s1+0(FP), R1 + RET + END diff --git a/sys/src/ape/lib/ap/mips/memset.s b/sys/src/ape/lib/ap/mips/memset.s new file mode 100755 index 000000000..8c9467f45 --- /dev/null +++ b/sys/src/ape/lib/ap/mips/memset.s @@ -0,0 +1,88 @@ + TEXT memset(SB),$12 +MOVW R1, 0(FP) + +/* + * performance: + * about 1us/call and 28mb/sec + */ + + MOVW n+8(FP), R3 /* R3 is count */ + MOVW p+0(FP), R4 /* R4 is pointer */ + MOVW c+4(FP), R5 /* R5 is char */ + ADDU R3,R4, R6 /* R6 is end pointer */ + +/* + * if not at least 4 chars, + * dont even mess around. + * 3 chars to guarantee any + * rounding up to a word + * boundary and 4 characters + * to get at least maybe one + * full word store. + */ + SGT $4,R3, R1 + BNE R1, out + +/* + * turn R5 into a word of characters + */ + AND $0xff, R5 + SLL $8,R5, R1 + OR R1, R5 + SLL $16,R5, R1 + OR R1, R5 + +/* + * store one byte at a time until pointer + * is alligned on a word boundary + */ +l1: + AND $3,R4, R1 + BEQ R1, l2 + MOVB R5, 0(R4) + ADDU $1, R4 + JMP l1 + +/* + * turn R3 into end pointer-15 + * store 16 at a time while theres room + */ +l2: + ADDU $-15,R6, R3 +l3: + SGTU R3,R4, R1 + BEQ R1, l4 + MOVW R5, 0(R4) + MOVW R5, 4(R4) + ADDU $16, R4 + MOVW R5, -8(R4) + MOVW R5, -4(R4) + JMP l3 + +/* + * turn R3 into end pointer-3 + * store 4 at a time while theres room + */ +l4: + ADDU $-3,R6, R3 +l5: + SGTU R3,R4, R1 + BEQ R1, out + MOVW R5, 0(R4) + ADDU $4, R4 + JMP l5 + +/* + * last loop, store byte at a time + */ +out: + SGTU R6,R4 ,R1 + BEQ R1, ret + MOVB R5, 0(R4) + ADDU $1, R4 + JMP out + +ret: + MOVW s1+0(FP), R1 + RET + END diff --git a/sys/src/ape/lib/ap/mips/mkfile b/sys/src/ape/lib/ap/mips/mkfile new file mode 100755 index 000000000..0896229a6 --- /dev/null +++ b/sys/src/ape/lib/ap/mips/mkfile @@ -0,0 +1,26 @@ +APE=/sys/src/ape +<$APE/config +LIB=/$objtype/lib/ape/libap.a +OFILES=\ + cycles.$O\ + getfcr.$O\ + lock.$O\ + main9.$O\ + main9p.$O\ + memchr.$O\ + memcmp.$O\ + memmove.$O\ + memset.$O\ + notetramp.$O\ + setjmp.$O\ + strchr.$O\ + strcmp.$O\ + strcpy.$O\ + tas.$O\ + vlop.$O\ + vlrt.$O\ + +</sys/src/cmd/mksyslib + +CFLAGS=-c -D_POSIX_SOURCE -D_PLAN9_SOURCE + diff --git a/sys/src/ape/lib/ap/mips/notetramp.c b/sys/src/ape/lib/ap/mips/notetramp.c new file mode 100755 index 000000000..cef6b563b --- /dev/null +++ b/sys/src/ape/lib/ap/mips/notetramp.c @@ -0,0 +1,72 @@ +#include "../plan9/lib.h" +#include "../plan9/sys9.h" +#include <signal.h> +#include <setjmp.h> + +/* A stack to hold pcs when signals nest */ +#define MAXSIGSTACK 20 +typedef struct Pcstack Pcstack; +static struct Pcstack { + int sig; + void (*hdlr)(int, char*, Ureg*); + unsigned long restorepc; + Ureg *u; +} pcstack[MAXSIGSTACK]; +static int nstack = 0; + +static void notecont(Ureg*, char*); + +void +_notetramp(int sig, void (*hdlr)(int, char*, Ureg*), Ureg *u) +{ + Pcstack *p; + + if(nstack >= MAXSIGSTACK) + _NOTED(1); /* nesting too deep; just do system default */ + p = &pcstack[nstack]; + p->restorepc = u->pc; + p->sig = sig; + p->hdlr = hdlr; + p->u = u; + nstack++; + u->pc = (unsigned long) notecont; + _NOTED(2); /* NSAVE: clear note but hold state */ +} + +static void +notecont(Ureg *u, char *s) +{ + Pcstack *p; + void(*f)(int, char*, Ureg*); + + p = &pcstack[nstack-1]; + f = p->hdlr; + u->pc = p->restorepc; + nstack--; + (*f)(p->sig, s, u); + _NOTED(3); /* NRSTR */ +} + +#define JMPBUFPC 1 +#define JMPBUFSP 0 + +extern sigset_t _psigblocked; + +void +siglongjmp(sigjmp_buf j, int ret) +{ + struct Ureg *u; + + if(j[0]) + _psigblocked = j[1]; + if(nstack == 0 || pcstack[nstack-1].u->sp > j[2+JMPBUFSP]) + longjmp(j+2, ret); + u = pcstack[nstack-1].u; + nstack--; + u->r1 = ret; + if(ret == 0) + u->r1 = 1; + u->pc = j[2+JMPBUFPC]; + u->sp = j[2+JMPBUFSP]; + _NOTED(3); /* NRSTR */ +} diff --git a/sys/src/ape/lib/ap/mips/setjmp.s b/sys/src/ape/lib/ap/mips/setjmp.s new file mode 100755 index 000000000..32ff470eb --- /dev/null +++ b/sys/src/ape/lib/ap/mips/setjmp.s @@ -0,0 +1,24 @@ +TEXT setjmp(SB), 1, $-4 + MOVW R29, (R1) + MOVW R31, 4(R1) + MOVW $0, R1 + RET + +TEXT sigsetjmp(SB), 1, $-4 + MOVW savemask+4(FP), R2 + MOVW R2, 0(R1) + MOVW $_psigblocked(SB), R2 + MOVW R2, 4(R1) + MOVW R29, 8(R1) + MOVW R31, 12(R1) + MOVW $0, R1 + RET + +TEXT longjmp(SB), 1, $-4 + MOVW r+4(FP), R3 + BNE R3, ok /* ansi: "longjmp(0) => longjmp(1)" */ + MOVW $1, R3 /* bless their pointed heads */ +ok: MOVW (R1), R29 + MOVW 4(R1), R31 + MOVW R3, R1 + RET diff --git a/sys/src/ape/lib/ap/mips/strchr.s b/sys/src/ape/lib/ap/mips/strchr.s new file mode 100755 index 000000000..e009ffad2 --- /dev/null +++ b/sys/src/ape/lib/ap/mips/strchr.s @@ -0,0 +1,63 @@ + TEXT strchr(SB), $0 +MOVW R1, 0(FP) + MOVB c+7(FP), R4 + MOVW s+0(FP), R3 + + BEQ R4, l2 + +/* + * char is not null + */ +l1: + MOVB (R3), R1 + ADDU $1, R3 + BEQ R1, ret + BNE R1,R4, l1 + JMP rm1 + +/* + * char is null + * align to word + */ +l2: + AND $3,R3, R1 + BEQ R1, l3 + MOVB (R3), R1 + ADDU $1, R3 + BNE R1, l2 + JMP rm1 + +l3: + MOVW $0xff000000, R6 + MOVW $0x00ff0000, R7 + +l4: + MOVW (R3), R5 + ADDU $4, R3 + AND R6,R5, R1 + AND R7,R5, R2 + BEQ R1, b0 + AND $0xff00,R5, R1 + BEQ R2, b1 + AND $0xff,R5, R2 + BEQ R1, b2 + BNE R2, l4 + +rm1: + ADDU $-1,R3, R1 + JMP ret + +b2: + ADDU $-2,R3, R1 + JMP ret + +b1: + ADDU $-3,R3, R1 + JMP ret + +b0: + ADDU $-4,R3, R1 + JMP ret + +ret: + RET diff --git a/sys/src/ape/lib/ap/mips/strcmp.s b/sys/src/ape/lib/ap/mips/strcmp.s new file mode 100755 index 000000000..da986a2ed --- /dev/null +++ b/sys/src/ape/lib/ap/mips/strcmp.s @@ -0,0 +1,21 @@ +TEXT strcmp(SB), $0 + + MOVW s2+4(FP), R2 + +l1: + MOVB (R2), R3 + MOVB (R1), R4 + ADDU $1, R1 + BEQ R3, end + ADDU $1, R2 + BEQ R3, R4, l1 + + SGTU R4, R3, R1 + BNE R1, ret + MOVW $-1, R1 + RET + +end: + SGTU R4, R3, R1 +ret: + RET diff --git a/sys/src/ape/lib/ap/mips/strcpy.s b/sys/src/ape/lib/ap/mips/strcpy.s new file mode 100755 index 000000000..77be42669 --- /dev/null +++ b/sys/src/ape/lib/ap/mips/strcpy.s @@ -0,0 +1,96 @@ +TEXT strcpy(SB), $0 + + MOVW s2+4(FP),R2 /* R2 is from pointer */ + MOVW R1, R3 /* R3 is to pointer */ + +/* + * align 'from' pointer + */ +l1: + AND $3, R2, R5 + ADDU $1, R2 + BEQ R5, l2 + MOVB -1(R2), R5 + ADDU $1, R3 + MOVB R5, -1(R3) + BNE R5, l1 + RET + +/* + * test if 'to' is also alligned + */ +l2: + AND $3,R3, R5 + BEQ R5, l4 + +/* + * copy 4 at a time, 'to' not aligned + */ +l3: + MOVW -1(R2), R4 + ADD $4, R2 + ADD $4, R3 + SRL $24,R4, R5 + MOVB R5, -4(R3) + BEQ R5, out + + SRL $16,R4, R5 + AND $0xff, R5 + MOVB R5, -3(R3) + BEQ R5, out + + SRL $8,R4, R5 + AND $0xff, R5 + MOVB R5, -2(R3) + BEQ R5, out + + AND $0xff,R4, R5 + MOVB R5, -1(R3) + BNE R5, l3 + +out: + RET + +/* + * word at a time both aligned + */ +l4: + MOVW $0xff000000, R7 + MOVW $0x00ff0000, R8 + +l5: + ADDU $4, R3 + MOVW -1(R2), R4 /* fetch */ + + ADDU $4, R2 + AND R7,R4, R5 /* is it byte 0 */ + AND R8,R4, R6 /* is it byte 1 */ + BEQ R5, b0 + + AND $0xff00,R4, R5 /* is it byte 2 */ + BEQ R6, b1 + + AND $0xff,R4, R6 /* is it byte 3 */ + BEQ R5, b2 + + MOVW R4, -4(R3) /* store */ + BNE R6, l5 + JMP out + +b0: + MOVB $0, -4(R3) + JMP out + +b1: + SRL $24, R4 + MOVB R4, -4(R3) + MOVB $0, -3(R3) + JMP out + +b2: + SRL $24,R4, R5 + MOVB R5, -4(R3) + SRL $16, R4 + MOVB R4, -3(R3) + MOVB $0, -2(R3) + JMP out diff --git a/sys/src/ape/lib/ap/mips/tas.s b/sys/src/ape/lib/ap/mips/tas.s new file mode 100755 index 000000000..d754b21f6 --- /dev/null +++ b/sys/src/ape/lib/ap/mips/tas.s @@ -0,0 +1,33 @@ +/* + * magnum user level lock code + */ + +#define LL(base, rt) WORD $((060<<26)|((base)<<21)|((rt)<<16)) +#define SC(base, rt) WORD $((070<<26)|((base)<<21)|((rt)<<16)) +#define NOOP WORD $0x27 +#define COP3 WORD $(023<<26) + + TEXT C_3ktas(SB),$0 + MOVW R1, R21 +btas: + MOVW R21, R1 + MOVB R0, 1(R1) + NOOP + COP3 + BLTZ R1, btas + RET + + TEXT C_4ktas(SB), $0 + MOVW R1, R2 /* address of key */ +tas1: + MOVW $1, R3 + LL(2, 1) + NOOP + SC(2, 3) + NOOP + BEQ R3, tas1 + RET + + TEXT C_fcr0(SB), $0 + MOVW FCR0, R1 + RET diff --git a/sys/src/ape/lib/ap/mips/vlop.s b/sys/src/ape/lib/ap/mips/vlop.s new file mode 100755 index 000000000..17f487ad8 --- /dev/null +++ b/sys/src/ape/lib/ap/mips/vlop.s @@ -0,0 +1,17 @@ +TEXT _mulv(SB), $0 + MOVW 8(FP), R2 + MOVW 4(FP), R3 + MOVW 16(FP), R4 + MOVW 12(FP), R5 + MULU R4, R2 + MOVW LO, R6 + MOVW HI, R7 + MULU R3, R4 + MOVW LO, R8 + ADDU R8, R7 + MULU R2, R5 + MOVW LO, R8 + ADDU R8, R7 + MOVW R6, 4(R1) + MOVW R7, 0(R1) + RET diff --git a/sys/src/ape/lib/ap/mips/vlrt.c b/sys/src/ape/lib/ap/mips/vlrt.c new file mode 100755 index 000000000..964562775 --- /dev/null +++ b/sys/src/ape/lib/ap/mips/vlrt.c @@ -0,0 +1,719 @@ +typedef unsigned long ulong; +typedef unsigned int uint; +typedef unsigned short ushort; +typedef unsigned char uchar; +typedef signed char schar; + +#define SIGN(n) (1UL<<(n-1)) + +typedef struct Vlong Vlong; +struct Vlong +{ + union + { + struct + { + ulong hi; + ulong lo; + }; + struct + { + ushort hims; + ushort hils; + ushort loms; + ushort lols; + }; + }; +}; + +void abort(void); + +void +_addv(Vlong *r, Vlong a, Vlong b) +{ + ulong lo, hi; + + lo = a.lo + b.lo; + hi = a.hi + b.hi; + if(lo < a.lo) + hi++; + r->lo = lo; + r->hi = hi; +} + +void +_subv(Vlong *r, Vlong a, Vlong b) +{ + ulong lo, hi; + + lo = a.lo - b.lo; + hi = a.hi - b.hi; + if(lo > a.lo) + hi--; + r->lo = lo; + r->hi = hi; +} + +void +_d2v(Vlong *y, double d) +{ + union { double d; struct Vlong; } x; + ulong xhi, xlo, ylo, yhi; + int sh; + + x.d = d; + + xhi = (x.hi & 0xfffff) | 0x100000; + xlo = x.lo; + sh = 1075 - ((x.hi >> 20) & 0x7ff); + + ylo = 0; + yhi = 0; + if(sh >= 0) { + /* v = (hi||lo) >> sh */ + if(sh < 32) { + if(sh == 0) { + ylo = xlo; + yhi = xhi; + } else { + ylo = (xlo >> sh) | (xhi << (32-sh)); + yhi = xhi >> sh; + } + } else { + if(sh == 32) { + ylo = xhi; + } else + if(sh < 64) { + ylo = xhi >> (sh-32); + } + } + } else { + /* v = (hi||lo) << -sh */ + sh = -sh; + if(sh <= 10) { + ylo = xlo << sh; + yhi = (xhi << sh) | (xlo >> (32-sh)); + } else { + /* overflow */ + yhi = d; /* causes something awful */ + } + } + if(x.hi & SIGN(32)) { + if(ylo != 0) { + ylo = -ylo; + yhi = ~yhi; + } else + yhi = -yhi; + } + + y->hi = yhi; + y->lo = ylo; +} + +void +_f2v(Vlong *y, float f) +{ + + _d2v(y, f); +} + +double +_v2d(Vlong x) +{ + if(x.hi & SIGN(32)) { + if(x.lo) { + x.lo = -x.lo; + x.hi = ~x.hi; + } else + x.hi = -x.hi; + return -((long)x.hi*4294967296. + x.lo); + } + return (long)x.hi*4294967296. + x.lo; +} + +float +_v2f(Vlong x) +{ + return _v2d(x); +} + +static void +dodiv(Vlong num, Vlong den, Vlong *qp, Vlong *rp) +{ + ulong numlo, numhi, denhi, denlo, quohi, quolo, t; + int i; + + numhi = num.hi; + numlo = num.lo; + denhi = den.hi; + denlo = den.lo; + + /* + * get a divide by zero + */ + if(denlo==0 && denhi==0) { + numlo = numlo / denlo; + } + + /* + * set up the divisor and find the number of iterations needed + */ + if(numhi >= SIGN(32)) { + quohi = SIGN(32); + quolo = 0; + } else { + quohi = numhi; + quolo = numlo; + } + i = 0; + while(denhi < quohi || (denhi == quohi && denlo < quolo)) { + denhi = (denhi<<1) | (denlo>>31); + denlo <<= 1; + i++; + } + + quohi = 0; + quolo = 0; + for(; i >= 0; i--) { + quohi = (quohi<<1) | (quolo>>31); + quolo <<= 1; + if(numhi > denhi || (numhi == denhi && numlo >= denlo)) { + t = numlo; + numlo -= denlo; + if(numlo > t) + numhi--; + numhi -= denhi; + quolo |= 1; + } + denlo = (denlo>>1) | (denhi<<31); + denhi >>= 1; + } + + if(qp) { + qp->lo = quolo; + qp->hi = quohi; + } + if(rp) { + rp->lo = numlo; + rp->hi = numhi; + } +} + +void +_divvu(Vlong *q, Vlong n, Vlong d) +{ + + if(n.hi == 0 && d.hi == 0) { + q->hi = 0; + q->lo = n.lo / d.lo; + return; + } + dodiv(n, d, q, 0); +} + +void +_modvu(Vlong *r, Vlong n, Vlong d) +{ + + if(n.hi == 0 && d.hi == 0) { + r->hi = 0; + r->lo = n.lo % d.lo; + return; + } + dodiv(n, d, 0, r); +} + +static void +vneg(Vlong *v) +{ + + if(v->lo == 0) { + v->hi = -v->hi; + return; + } + v->lo = -v->lo; + v->hi = ~v->hi; +} + +void +_divv(Vlong *q, Vlong n, Vlong d) +{ + long nneg, dneg; + + if(n.hi == (((long)n.lo)>>31) && d.hi == (((long)d.lo)>>31)) { + q->lo = (long)n.lo / (long)d.lo; + q->hi = ((long)q->lo) >> 31; + return; + } + nneg = n.hi >> 31; + if(nneg) + vneg(&n); + dneg = d.hi >> 31; + if(dneg) + vneg(&d); + dodiv(n, d, q, 0); + if(nneg != dneg) + vneg(q); +} + +void +_modv(Vlong *r, Vlong n, Vlong d) +{ + long nneg, dneg; + + if(n.hi == (((long)n.lo)>>31) && d.hi == (((long)d.lo)>>31)) { + r->lo = (long)n.lo % (long)d.lo; + r->hi = ((long)r->lo) >> 31; + return; + } + nneg = n.hi >> 31; + if(nneg) + vneg(&n); + dneg = d.hi >> 31; + if(dneg) + vneg(&d); + dodiv(n, d, 0, r); + if(nneg) + vneg(r); +} + +void +_rshav(Vlong *r, Vlong a, int b) +{ + long t; + + t = a.hi; + if(b >= 32) { + r->hi = t>>31; + if(b >= 64) { + /* this is illegal re C standard */ + r->lo = t>>31; + return; + } + r->lo = t >> (b-32); + return; + } + if(b <= 0) { + r->hi = t; + r->lo = a.lo; + return; + } + r->hi = t >> b; + r->lo = (t << (32-b)) | (a.lo >> b); +} + +void +_rshlv(Vlong *r, Vlong a, int b) +{ + ulong t; + + t = a.hi; + if(b >= 32) { + r->hi = 0; + if(b >= 64) { + /* this is illegal re C standard */ + r->lo = 0; + return; + } + r->lo = t >> (b-32); + return; + } + if(b <= 0) { + r->hi = t; + r->lo = a.lo; + return; + } + r->hi = t >> b; + r->lo = (t << (32-b)) | (a.lo >> b); +} + +void +_lshv(Vlong *r, Vlong a, int b) +{ + ulong t; + + t = a.lo; + if(b >= 32) { + r->lo = 0; + if(b >= 64) { + /* this is illegal re C standard */ + r->hi = 0; + return; + } + r->hi = t << (b-32); + return; + } + if(b <= 0) { + r->lo = t; + r->hi = a.hi; + return; + } + r->lo = t << b; + r->hi = (t >> (32-b)) | (a.hi << b); +} + +void +_andv(Vlong *r, Vlong a, Vlong b) +{ + r->hi = a.hi & b.hi; + r->lo = a.lo & b.lo; +} + +void +_orv(Vlong *r, Vlong a, Vlong b) +{ + r->hi = a.hi | b.hi; + r->lo = a.lo | b.lo; +} + +void +_xorv(Vlong *r, Vlong a, Vlong b) +{ + r->hi = a.hi ^ b.hi; + r->lo = a.lo ^ b.lo; +} + +void +_vpp(Vlong *l, Vlong *r) +{ + + l->hi = r->hi; + l->lo = r->lo; + r->lo++; + if(r->lo == 0) + r->hi++; +} + +void +_vmm(Vlong *l, Vlong *r) +{ + + l->hi = r->hi; + l->lo = r->lo; + if(r->lo == 0) + r->hi--; + r->lo--; +} + +void +_ppv(Vlong *l, Vlong *r) +{ + + r->lo++; + if(r->lo == 0) + r->hi++; + l->hi = r->hi; + l->lo = r->lo; +} + +void +_mmv(Vlong *l, Vlong *r) +{ + + if(r->lo == 0) + r->hi--; + r->lo--; + l->hi = r->hi; + l->lo = r->lo; +} + +void +_vasop(Vlong *ret, void *lv, void fn(Vlong*, Vlong, Vlong), int type, Vlong rv) +{ + Vlong t, u; + + u.lo = 0; + u.hi = 0; + switch(type) { + default: + abort(); + break; + + case 1: /* schar */ + t.lo = *(schar*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(schar*)lv = u.lo; + break; + + case 2: /* uchar */ + t.lo = *(uchar*)lv; + t.hi = 0; + fn(&u, t, rv); + *(uchar*)lv = u.lo; + break; + + case 3: /* short */ + t.lo = *(short*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(short*)lv = u.lo; + break; + + case 4: /* ushort */ + t.lo = *(ushort*)lv; + t.hi = 0; + fn(&u, t, rv); + *(ushort*)lv = u.lo; + break; + + case 9: /* int */ + t.lo = *(int*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(int*)lv = u.lo; + break; + + case 10: /* uint */ + t.lo = *(uint*)lv; + t.hi = 0; + fn(&u, t, rv); + *(uint*)lv = u.lo; + break; + + case 5: /* long */ + t.lo = *(long*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(long*)lv = u.lo; + break; + + case 6: /* ulong */ + t.lo = *(ulong*)lv; + t.hi = 0; + fn(&u, t, rv); + *(ulong*)lv = u.lo; + break; + + case 7: /* vlong */ + case 8: /* uvlong */ + fn(&u, *(Vlong*)lv, rv); + *(Vlong*)lv = u; + break; + } + *ret = u; +} + +void +_p2v(Vlong *ret, void *p) +{ + long t; + + t = (ulong)p; + ret->lo = t; + ret->hi = 0; +} + +void +_sl2v(Vlong *ret, long sl) +{ + long t; + + t = sl; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_ul2v(Vlong *ret, ulong ul) +{ + long t; + + t = ul; + ret->lo = t; + ret->hi = 0; +} + +void +_si2v(Vlong *ret, int si) +{ + long t; + + t = si; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_ui2v(Vlong *ret, uint ui) +{ + long t; + + t = ui; + ret->lo = t; + ret->hi = 0; +} + +void +_sh2v(Vlong *ret, long sh) +{ + long t; + + t = (sh << 16) >> 16; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_uh2v(Vlong *ret, ulong ul) +{ + long t; + + t = ul & 0xffff; + ret->lo = t; + ret->hi = 0; +} + +void +_sc2v(Vlong *ret, long uc) +{ + long t; + + t = (uc << 24) >> 24; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_uc2v(Vlong *ret, ulong ul) +{ + long t; + + t = ul & 0xff; + ret->lo = t; + ret->hi = 0; +} + +long +_v2sc(Vlong rv) +{ + long t; + + t = rv.lo & 0xff; + return (t << 24) >> 24; +} + +long +_v2uc(Vlong rv) +{ + + return rv.lo & 0xff; +} + +long +_v2sh(Vlong rv) +{ + long t; + + t = rv.lo & 0xffff; + return (t << 16) >> 16; +} + +long +_v2uh(Vlong rv) +{ + + return rv.lo & 0xffff; +} + +long +_v2sl(Vlong rv) +{ + + return rv.lo; +} + +long +_v2ul(Vlong rv) +{ + + return rv.lo; +} + +long +_v2si(Vlong rv) +{ + + return rv.lo; +} + +long +_v2ui(Vlong rv) +{ + + return rv.lo; +} + +int +_testv(Vlong rv) +{ + return rv.lo || rv.hi; +} + +int +_eqv(Vlong lv, Vlong rv) +{ + return lv.lo == rv.lo && lv.hi == rv.hi; +} + +int +_nev(Vlong lv, Vlong rv) +{ + return lv.lo != rv.lo || lv.hi != rv.hi; +} + +int +_ltv(Vlong lv, Vlong rv) +{ + return (long)lv.hi < (long)rv.hi || + (lv.hi == rv.hi && lv.lo < rv.lo); +} + +int +_lev(Vlong lv, Vlong rv) +{ + return (long)lv.hi < (long)rv.hi || + (lv.hi == rv.hi && lv.lo <= rv.lo); +} + +int +_gtv(Vlong lv, Vlong rv) +{ + return (long)lv.hi > (long)rv.hi || + (lv.hi == rv.hi && lv.lo > rv.lo); +} + +int +_gev(Vlong lv, Vlong rv) +{ + return (long)lv.hi > (long)rv.hi || + (lv.hi == rv.hi && lv.lo >= rv.lo); +} + +int +_lov(Vlong lv, Vlong rv) +{ + return lv.hi < rv.hi || + (lv.hi == rv.hi && lv.lo < rv.lo); +} + +int +_lsv(Vlong lv, Vlong rv) +{ + return lv.hi < rv.hi || + (lv.hi == rv.hi && lv.lo <= rv.lo); +} + +int +_hiv(Vlong lv, Vlong rv) +{ + return lv.hi > rv.hi || + (lv.hi == rv.hi && lv.lo > rv.lo); +} + +int +_hsv(Vlong lv, Vlong rv) +{ + return lv.hi > rv.hi || + (lv.hi == rv.hi && lv.lo >= rv.lo); +} diff --git a/sys/src/ape/lib/ap/mkfile b/sys/src/ape/lib/ap/mkfile new file mode 100755 index 000000000..fa7d240e6 --- /dev/null +++ b/sys/src/ape/lib/ap/mkfile @@ -0,0 +1,24 @@ +APE=/sys/src/ape +<$APE/config + +DIRS=gen math plan9 posix stdio syscall + +default:V: all + +install all:V: + for(i in $DIRS $objtype)@{ + echo $i + cd $i + mk $MKFLAGS $target + } + +installall:V: + for(objtype in $CPUS) mk $MKFLAGS install + + +clean nuke:V: + for(i in $DIRS $CPUS)@{ + echo $i + cd $i + mk $MKFLAGS $target + } diff --git a/sys/src/ape/lib/ap/plan9/9errstr.c b/sys/src/ape/lib/ap/plan9/9errstr.c new file mode 100755 index 000000000..31226c18b --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/9errstr.c @@ -0,0 +1,4 @@ +#include "sys9.h" + +int +_ERRSTR(
\ No newline at end of file diff --git a/sys/src/ape/lib/ap/plan9/9iounit.c b/sys/src/ape/lib/ap/plan9/9iounit.c new file mode 100755 index 000000000..7117a9fe0 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/9iounit.c @@ -0,0 +1,65 @@ +#include "lib.h" +#include <string.h> +#include <stdlib.h> +#include <fmt.h> +#include "sys9.h" +#include "dir.h" + +/* + * Format: + 3 r M 4 (0000000000457def 11 00) 8192 512 /rc/lib/rcmain + */ + +static int +getfields(char *str, char **args, int max, int mflag) +{ + char r; + int nr, intok, narg; + + if(max <= 0) + return 0; + + narg = 0; + args[narg] = str; + if(!mflag) + narg++; + intok = 0; + for(;;) { + r = *str++; + if(r == 0) + break; + if(r == ' ' || r == '\t'){ + if(narg >= max) + break; + *str = 0; + intok = 0; + args[narg] = str + nr; + if(!mflag) + narg++; + } else { + if(!intok && mflag) + narg++; + intok = 1; + } + } + return narg; +} +int +_IOUNIT(int fd) +{ + int i, cfd; + char buf[128], *args[10]; + + snprint(buf, sizeof buf, "#d/%dctl", fd); + cfd = _OPEN(buf, OREAD); + if(cfd < 0) + return 0; + i = _READ(cfd, buf, sizeof buf-1); + _CLOSE(cfd); + if(i <= 0) + return 0; + buf[i] = '\0'; + if(getfields(buf, args, 10, 1) != 10) + return 0; + return atoi(args[7]); +} diff --git a/sys/src/ape/lib/ap/plan9/9mallocz.c b/sys/src/ape/lib/ap/plan9/9mallocz.c new file mode 100755 index 000000000..de5edb266 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/9mallocz.c @@ -0,0 +1,14 @@ +#include <stdlib.h> +#include <string.h> + +void* +_MALLOCZ(int n, int clr) +{ + void *v; + + v = malloc(n); + if(v && clr) + memset(v, 0, n); + return v; +} + diff --git a/sys/src/ape/lib/ap/plan9/9read.c b/sys/src/ape/lib/ap/plan9/9read.c new file mode 100755 index 000000000..ce38b3908 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/9read.c @@ -0,0 +1,11 @@ +#include "lib.h" +#include <string.h> +#include <stdlib.h> +#include "sys9.h" +#include "dir.h" + +long +_READ(int fd, void *buf, long n) +{ + return _PREAD(fd, buf, n, -1LL); +} diff --git a/sys/src/ape/lib/ap/plan9/9readn.c b/sys/src/ape/lib/ap/plan9/9readn.c new file mode 100755 index 000000000..8a0f5615c --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/9readn.c @@ -0,0 +1,21 @@ +#include "sys9.h" + +long +_READN(int f, void *av, long n) +{ + char *a; + long m, t; + + a = av; + t = 0; + while(t < n){ + m = _READ(f, a+t, n-t); + if(m <= 0){ + if(t == 0) + return m; + break; + } + t += m; + } + return t; +} diff --git a/sys/src/ape/lib/ap/plan9/9wait.c b/sys/src/ape/lib/ap/plan9/9wait.c new file mode 100755 index 000000000..71771df0b --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/9wait.c @@ -0,0 +1,93 @@ +#include "lib.h" +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include "sys9.h" +#include "dir.h" + +static char qsep[] = " \t\r\n"; + +static char* +qtoken(char *s) +{ + int quoting; + char *t; + + quoting = 0; + t = s; /* s is output string, t is input string */ + while(*t!='\0' && (quoting || strchr(qsep, *t)==nil)){ + if(*t != '\''){ + *s++ = *t++; + continue; + } + /* *t is a quote */ + if(!quoting){ + quoting = 1; + t++; + continue; + } + /* quoting and we're on a quote */ + if(t[1] != '\''){ + /* end of quoted section; absorb closing quote */ + t++; + quoting = 0; + continue; + } + /* doubled quote; fold one quote into two */ + t++; + *s++ = *t++; + } + if(*s != '\0'){ + *s = '\0'; + if(t == s) + t++; + } + return t; +} + +static int +tokenize(char *s, char **args, int maxargs) +{ + int nargs; + + for(nargs=0; nargs<maxargs; nargs++){ + while(*s!='\0' && strchr(qsep, *s)!=nil) + s++; + if(*s == '\0') + break; + args[nargs] = s; + s = qtoken(s); + } + + return nargs; +} + +Waitmsg* +_WAIT(void) +{ + int n, l; + char buf[512], *fld[5]; + Waitmsg *w; + + n = _AWAIT(buf, sizeof buf-1); + if(n < 0) + return nil; + buf[n] = '\0'; + if(tokenize(buf, fld, 5) != 5){ + strcpy(buf, "couldn't parse wait message"); + _ERRSTR(buf, sizeof buf); + return nil; + } + l = strlen(fld[4])+1; + w = malloc(sizeof(Waitmsg)+l); + if(w == nil) + return nil; + w->pid = atoi(fld[0]); + w->time[0] = atoi(fld[1]); + w->time[1] = atoi(fld[2]); + w->time[2] = atoi(fld[3]); + w->msg = (char*)&w[1]; + memmove(w->msg, fld[4], l); + return w; +} + diff --git a/sys/src/ape/lib/ap/plan9/9write.c b/sys/src/ape/lib/ap/plan9/9write.c new file mode 100755 index 000000000..e87a45ade --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/9write.c @@ -0,0 +1,11 @@ +#include "lib.h" +#include <string.h> +#include <stdlib.h> +#include "sys9.h" +#include "dir.h" + +long +_WRITE(int fd, void *buf, long n) +{ + return _PWRITE(fd, buf, n, -1LL); +} diff --git a/sys/src/ape/lib/ap/plan9/_buf.c b/sys/src/ape/lib/ap/plan9/_buf.c new file mode 100755 index 000000000..21fe282bb --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/_buf.c @@ -0,0 +1,472 @@ +#define _BSDTIME_EXTENSION +#define _LOCK_EXTENSION +#include "lib.h" +#include <stdlib.h> +#include <errno.h> +#include <unistd.h> +#include <signal.h> +#include <string.h> +#include <stdio.h> +#include <lock.h> +#include <sys/time.h> +#include <sys/select.h> +#include <unistd.h> +#include "sys9.h" + +typedef struct Muxseg { + Lock lock; /* for mutual exclusion access to buffer variables */ + int curfds; /* number of fds currently buffered */ + int selwait; /* true if selecting process is waiting */ + int waittime; /* time for timer process to wait */ + fd_set rwant; /* fd's that select wants to read */ + fd_set ewant; /* fd's that select wants to know eof info on */ + Muxbuf bufs[INITBUFS]; /* can grow, via segbrk() */ +} Muxseg; + +#define MUXADDR ((void*)0x6000000) +static Muxseg *mux = 0; /* shared memory segment */ + +/* _muxsid and _killmuxsid are known in libbsd's listen.c */ +int _muxsid = -1; /* group id of copy processes */ +static int _mainpid = -1; +static int timerpid = -1; /* pid of a timer process */ + +void _killmuxsid(void); +static void _copyproc(int, Muxbuf*); +static void _timerproc(void); +static void _resettimer(void); + +static int copynotehandler(void *, char *); + +/* assume FD_SETSIZE is 96 */ +#define FD_ANYSET(p) ((p)->fds_bits[0] || (p)->fds_bits[1] || (p)->fds_bits[2]) + +/* + * Start making fd read-buffered: make the shared segment, if necessary, + * allocate a slot (index into mux->bufs), and fork a child to read the fd + * and write into the slot-indexed buffer. + * Return -1 if we can't do it. + */ +int +_startbuf(int fd) +{ + long i, n, slot; + int pid, sid; + Fdinfo *f; + Muxbuf *b; + + if(mux == 0){ + _RFORK(RFREND); + mux = (Muxseg*)_SEGATTACH(0, "shared", MUXADDR, sizeof(Muxseg)); + if((long)mux == -1){ + _syserrno(); + return -1; + } + /* segattach has returned zeroed memory */ + atexit(_killmuxsid); + } + + if(fd == -1) + return 0; + + lock(&mux->lock); + slot = mux->curfds++; + if(mux->curfds > INITBUFS) { + if(_SEGBRK(mux, mux->bufs+mux->curfds) < 0){ + _syserrno(); + unlock(&mux->lock); + return -1; + } + } + + f = &_fdinfo[fd]; + b = &mux->bufs[slot]; + b->n = 0; + b->putnext = b->data; + b->getnext = b->data; + b->eof = 0; + b->fd = fd; + if(_mainpid == -1) + _mainpid = getpid(); + if((pid = _RFORK(RFFDG|RFPROC|RFNOWAIT)) == 0){ + /* copy process ... */ + if(_muxsid == -1) { + _RFORK(RFNOTEG); + _muxsid = getpgrp(); + } else + setpgid(getpid(), _muxsid); + _NOTIFY(copynotehandler); + for(i=0; i<OPEN_MAX; i++) + if(i!=fd && (_fdinfo[i].flags&FD_ISOPEN)) + _CLOSE(i); + _RENDEZVOUS(0, _muxsid); + _copyproc(fd, b); + } + + /* parent process continues ... */ + b->copypid = pid; + f->buf = b; + f->flags |= FD_BUFFERED; + unlock(&mux->lock); + _muxsid = _RENDEZVOUS(0, 0); + /* leave fd open in parent so system doesn't reuse it */ + return 0; +} + +/* + * The given buffered fd is being closed. + * Set the fd field in the shared buffer to -1 to tell copyproc + * to exit, and kill the copyproc. + */ +void +_closebuf(int fd) +{ + Muxbuf *b; + + b = _fdinfo[fd].buf; + if(!b) + return; + lock(&mux->lock); + b->fd = -1; + unlock(&mux->lock); + kill(b->copypid, SIGKILL); +} + +/* child copy procs execute this until eof */ +static void +_copyproc(int fd, Muxbuf *b) +{ + unsigned char *e; + int n; + int nzeros; + + e = &b->data[PERFDMAX]; + for(;;) { + /* make sure there's room */ + lock(&mux->lock); + if(e - b->putnext < READMAX) { + if(b->getnext == b->putnext) { + b->getnext = b->putnext = b->data; + unlock(&mux->lock); + } else { + /* sleep until there's room */ + b->roomwait = 1; + unlock(&mux->lock); + _RENDEZVOUS((unsigned long)&b->roomwait, 0); + } + } else + unlock(&mux->lock); + /* + * A Zero-length _READ might mean a zero-length write + * happened, or it might mean eof; try several times to + * disambiguate (posix read() discards 0-length messages) + */ + nzeros = 0; + do { + n = _READ(fd, b->putnext, READMAX); + if(b->fd == -1) { + _exit(0); /* we've been closed */ + } + } while(n == 0 && ++nzeros < 3); + lock(&mux->lock); + if(n <= 0) { + b->eof = 1; + if(mux->selwait && FD_ISSET(fd, &mux->ewant)) { + mux->selwait = 0; + unlock(&mux->lock); + _RENDEZVOUS((unsigned long)&mux->selwait, fd); + } else if(b->datawait) { + b->datawait = 0; + unlock(&mux->lock); + _RENDEZVOUS((unsigned long)&b->datawait, 0); + } else if(mux->selwait && FD_ISSET(fd, &mux->rwant)) { + mux->selwait = 0; + unlock(&mux->lock); + _RENDEZVOUS((unsigned long)&mux->selwait, fd); + } else + unlock(&mux->lock); + _exit(0); + } else { + b->putnext += n; + b->n += n; + if(b->n > 0) { + /* parent process cannot be both in datawait and selwait */ + if(b->datawait) { + b->datawait = 0; + unlock(&mux->lock); + /* wake up _bufreading process */ + _RENDEZVOUS((unsigned long)&b->datawait, 0); + } else if(mux->selwait && FD_ISSET(fd, &mux->rwant)) { + mux->selwait = 0; + unlock(&mux->lock); + /* wake up selecting process */ + _RENDEZVOUS((unsigned long)&mux->selwait, fd); + } else + unlock(&mux->lock); + } else + unlock(&mux->lock); + } + } +} + +/* like read(), for a buffered fd; extra arg noblock says don't wait for data if true */ +int +_readbuf(int fd, void *addr, int nwant, int noblock) +{ + Muxbuf *b; + int ngot; + + b = _fdinfo[fd].buf; + if(b->eof && b->n == 0) { +goteof: + return 0; + } + if(b->n == 0 && noblock) { + errno = EAGAIN; + return -1; + } + /* make sure there's data */ + lock(&mux->lock); + ngot = b->putnext - b->getnext; + if(ngot == 0) { + /* maybe EOF just happened */ + if(b->eof) { + unlock(&mux->lock); + goto goteof; + } + /* sleep until there's data */ + b->datawait = 1; + unlock(&mux->lock); + _RENDEZVOUS((unsigned long)&b->datawait, 0); + lock(&mux->lock); + ngot = b->putnext - b->getnext; + } + if(ngot == 0) { + unlock(&mux->lock); + goto goteof; + } + if(ngot > nwant) + ngot = nwant; + memcpy(addr, b->getnext, ngot); + b->getnext += ngot; + b->n -= ngot; + if(b->getnext == b->putnext && b->roomwait) { + b->getnext = b->putnext = b->data; + b->roomwait = 0; + unlock(&mux->lock); + /* wake up copy process */ + _RENDEZVOUS((unsigned long)&b->roomwait, 0); + } else + unlock(&mux->lock); + return ngot; +} + +int +select(int nfds, fd_set *rfds, fd_set *wfds, fd_set *efds, struct timeval *timeout) +{ + int n, i, tmp, t, slots, fd, err; + Fdinfo *f; + Muxbuf *b; + + if(timeout) + t = timeout->tv_sec*1000 + (timeout->tv_usec+999)/1000; + else + t = -1; + if(!((rfds && FD_ANYSET(rfds)) || (wfds && FD_ANYSET(wfds)) + || (efds && FD_ANYSET(efds)))) { + /* no requested fds */ + if(t > 0) + _SLEEP(t); + return 0; + } + + _startbuf(-1); + + /* make sure all requested rfds and efds are buffered */ + if(nfds >= OPEN_MAX) + nfds = OPEN_MAX; + for(i = 0; i < nfds; i++) + if((rfds && FD_ISSET(i, rfds)) || (efds && FD_ISSET(i, efds))){ + f = &_fdinfo[i]; + if(!(f->flags&FD_BUFFERED)) + if(_startbuf(i) != 0) { + return -1; + } + b = f->buf; + if(rfds && FD_ISSET(i,rfds) && b->eof && b->n == 0) + if(efds == 0 || !FD_ISSET(i,efds)) { + errno = EBADF; /* how X tells a client is gone */ + return -1; + } + } + + /* check wfds; for now, we'll say they are all ready */ + n = 0; + if(wfds && FD_ANYSET(wfds)){ + for(i = 0; i<nfds; i++) + if(FD_ISSET(i, wfds)) { + n++; + } + } + + lock(&mux->lock); + + slots = mux->curfds; + FD_ZERO(&mux->rwant); + FD_ZERO(&mux->ewant); + + for(i = 0; i<slots; i++) { + b = &mux->bufs[i]; + fd = b->fd; + if(fd == -1) + continue; + err = 0; + if(efds && FD_ISSET(fd, efds)) { + if(b->eof && b->n == 0){ + err = 1; + n++; + }else{ + FD_CLR(fd, efds); + FD_SET(fd, &mux->ewant); + } + } + if(rfds && FD_ISSET(fd, rfds)) { + if(!err && (b->n > 0 || b->eof)) + n++; + else{ + FD_CLR(fd, rfds); + FD_SET(fd, &mux->rwant); + } + } + } + if(n || !(FD_ANYSET(&mux->rwant) || FD_ANYSET(&mux->ewant)) || t == 0) { + FD_ZERO(&mux->rwant); + FD_ZERO(&mux->ewant); + unlock(&mux->lock); + return n; + } + + if(timeout) { + mux->waittime = t; + if(timerpid == -1) + _timerproc(); + else + _resettimer(); + } + mux->selwait = 1; + unlock(&mux->lock); + fd = _RENDEZVOUS((unsigned long)&mux->selwait, 0); + if(fd >= 0) { + b = _fdinfo[fd].buf; + if(FD_ISSET(fd, &mux->rwant)) { + FD_SET(fd, rfds); + n = 1; + } else if(FD_ISSET(fd, &mux->ewant) && b->eof && b->n == 0) { + FD_SET(fd, efds); + n = 1; + } + } + FD_ZERO(&mux->rwant); + FD_ZERO(&mux->ewant); + return n; +} + +static int timerreset; +static int timerpid; + +static void +alarmed(int v) +{ + timerreset = 1; +} + +/* a little over an hour */ +#define LONGWAIT 4000001 + +static void +_killtimerproc(void) +{ + if(timerpid > 0) + kill(timerpid, SIGKILL); +} + +static void +_timerproc(void) +{ + int i; + + if((timerpid = _RFORK(RFFDG|RFPROC|RFNOWAIT)) == 0){ + /* timer process */ + setpgid(getpid(), _muxsid); + signal(SIGALRM, alarmed); + for(i=0; i<OPEN_MAX; i++) + _CLOSE(i); + _RENDEZVOUS(1, 0); + for(;;) { + _SLEEP(mux->waittime); + if(timerreset) { + timerreset = 0; + } else { + lock(&mux->lock); + if(mux->selwait && mux->waittime != LONGWAIT) { + mux->selwait = 0; + mux->waittime = LONGWAIT; + unlock(&mux->lock); + _RENDEZVOUS((unsigned long)&mux->selwait, -2); + } else { + mux->waittime = LONGWAIT; + unlock(&mux->lock); + } + } + } + } + atexit(_killtimerproc); + /* parent process continues */ + _RENDEZVOUS(1, 0); +} + +static void +_resettimer(void) +{ + kill(timerpid, SIGALRM); +} + +void +_killmuxsid(void) +{ + if(_muxsid != -1 && (_mainpid == getpid() || _mainpid == -1)) + kill(-_muxsid,SIGTERM); +} + +/* call this on fork(), because reading a BUFFERED fd won't work in child */ +void +_detachbuf(void) +{ + int i; + Fdinfo *f; + + if(mux == 0) + return; + _SEGDETACH(mux); + for(i = 0; i < OPEN_MAX; i++){ + f = &_fdinfo[i]; + if(f->flags&FD_BUFFERED) + f->flags = (f->flags&~FD_BUFFERED) | FD_BUFFEREDX; + /* mark 'poisoned' */ + } + mux = 0; + _muxsid = -1; + _mainpid = -1; + timerpid = -1; +} + +static int +copynotehandler(void *u, char *msg) +{ + int i; + void(*f)(int); + + if(_finishing) + _finish(0, 0); + _NOTED(1); +} diff --git a/sys/src/ape/lib/ap/plan9/_dirconv.c b/sys/src/ape/lib/ap/plan9/_dirconv.c new file mode 100755 index 000000000..3889c2ee2 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/_dirconv.c @@ -0,0 +1,65 @@ +#include "lib.h" +#include <string.h> +#include "sys9.h" +#include "dir.h" + +#define CHAR(x) *p++ = f->x +#define SHORT(x) p[0] = f->x; p[1] = f->x>>8; p += 2 +#define LONG(x) p[0] = f->x; p[1] = f->x>>8; p[2] = f->x>>16; p[3] = f->x>>24; p += 4 +#define VLONG(x) p[0] = f->x; p[1] = f->x>>8; p[2] = f->x>>16; p[3] = f->x>>24;\ + p[4] = 0; p[5] = 0; p[6] = 0; p[7] = 0; p += 8 +#define STRING(x,n) memcpy(p, f->x, n); p += n + +int +convD2M(Dir *f, char *ap) +{ + unsigned char *p; + + p = (unsigned char*)ap; + STRING(name, sizeof(f->name)); + STRING(uid, sizeof(f->uid)); + STRING(gid, sizeof(f->gid)); + LONG(qid.path); + LONG(qid.vers); + LONG(mode); + LONG(atime); + LONG(mtime); + VLONG(length); + SHORT(type); + SHORT(dev); + return p - (unsigned char*)ap; +} + +#undef CHAR +#undef SHORT +#undef LONG +#undef VLONG +#undef STRING + +#define CHAR(x) f->x = *p++ +#define SHORT(x) f->x = (p[0] | (p[1]<<8)); p += 2 +#define LONG(x) f->x = (p[0] | (p[1]<<8) |\ + (p[2]<<16) | (p[3]<<24)); p += 4 +#define VLONG(x) f->x = (p[0] | (p[1]<<8) |\ + (p[2]<<16) | (p[3]<<24)); p += 8 +#define STRING(x,n) memcpy(f->x, p, n); p += n + +int +convM2D(char *ap, Dir *f) +{ + unsigned char *p; + + p = (unsigned char*)ap; + STRING(name, sizeof(f->name)); + STRING(uid, sizeof(f->uid)); + STRING(gid, sizeof(f->gid)); + LONG(qid.path); + LONG(qid.vers); + LONG(mode); + LONG(atime); + LONG(mtime); + VLONG(length); + SHORT(type); + SHORT(dev); + return p - (unsigned char*)ap; +} diff --git a/sys/src/ape/lib/ap/plan9/_envsetup.c b/sys/src/ape/lib/ap/plan9/_envsetup.c new file mode 100755 index 000000000..55cf33b85 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/_envsetup.c @@ -0,0 +1,123 @@ +#include "lib.h" +#include <stdlib.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <dirent.h> +#include <unistd.h> +#include <string.h> +#include <signal.h> +#include "sys9.h" +#include "dir.h" + +/* + * Called before main to initialize environ. + * Some plan9 environment variables + * have 0 bytes in them (notably $path); + * we change them to 1's (and execve changes back) + * + * Also, register the note handler. + */ + +char **environ; +int errno; +unsigned long _clock; +static char name[NAME_MAX+5] = "#e"; +static void fdsetup(char *, char *); +static void sigsetup(char *, char *); + +enum { + Envhunk=7000, +}; + +void +_envsetup(void) +{ + int dfd; + struct dirent *de; + int n, nd, m, i, j, f; + int psize, cnt; + int nohandle; + int fdinited; + char *ps, *p; + char **pp; + Dir *d9, *d9a; + + nohandle = 0; + fdinited = 0; + cnt = 0; + dfd = _OPEN(name, 0); + if(dfd < 0) { + static char **emptyenvp = 0; + environ = emptyenvp; + return; + } + name[2] = '/'; + ps = p = malloc(Envhunk); + psize = Envhunk; + nd = _dirreadall(dfd, &d9a); + _CLOSE(dfd); + for(j=0; j<nd; j++){ + d9 = &d9a[j]; + n = strlen(d9->name); + m = d9->length; + i = p - ps; + if(i+n+1+m+1 > psize) { + psize += (n+m+2 < Envhunk)? Envhunk : n+m+2; + ps = realloc(ps, psize); + p = ps + i; + } + memcpy(p, d9->name, n); + p[n] = '='; + strcpy(name+3, d9->name); + f = _OPEN(name, O_RDONLY); + if(f < 0 || _READ(f, p+n+1, m) != m) + m = 0; + _CLOSE(f); + if(p[n+m] == 0) + m--; + for(i=0; i<m; i++) + if(p[n+1+i] == 0) + p[n+1+i] = 1; + p[n+1+m] = 0; + if(strcmp(d9->name, "_fdinfo") == 0) { + _fdinit(p+n+1, p+n+1+m); + fdinited = 1; + } else if(strcmp(d9->name, "_sighdlr") == 0) + sigsetup(p+n+1, p+n+1+m); + else if(strcmp(d9->name, "nohandle") == 0) + nohandle = 1; + p += n+m+2; + cnt++; + } + free(d9a); + if(!fdinited) + _fdinit(0, 0); + environ = pp = malloc((1+cnt)*sizeof(char *)); + p = ps; + for(i = 0; i < cnt; i++) { + *pp++ = p; + p = memchr(p, 0, ps+psize-p); + if (!p) + break; + p++; + } + *pp = 0; + if(!nohandle) + _NOTIFY(_notehandler); +} + +static void +sigsetup(char *s, char *se) +{ + int i, sig; + char *e; + + while(s < se){ + sig = strtoul(s, &e, 10); + if(s == e) + break; + s = e; + if(sig <= MAXSIG) + _sighdlr[sig] = SIG_IGN; + } +} diff --git a/sys/src/ape/lib/ap/plan9/_errno.c b/sys/src/ape/lib/ap/plan9/_errno.c new file mode 100755 index 000000000..8e5caad7d --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/_errno.c @@ -0,0 +1,124 @@ +#include "lib.h" +#include "sys9.h" +#include <string.h> +#include <errno.h> + +/* make this global, so programs can look at it if errno is unilluminating */ + +/* see also: ../stdio/strerror.c, with errno-> string mapping */ + +char _plan9err[ERRMAX]; + +static struct errmap { + int errno; + char *ename; +} map[] = { + /* from /sys/src/9/port/errstr.h */ + {EINVAL, "inconsistent mount"}, + {EINVAL, "not mounted"}, + {EINVAL, "not in union"}, + {EIO, "mount rpc error"}, + {EIO, "mounted device shut down"}, + {EPERM, "mounted directory forbids creation"}, + {ENOENT, "does not exist"}, + {ENXIO, "unknown device in # filename"}, + {ENOTDIR, "not a directory"}, + {EISDIR, "file is a directory"}, + {EINVAL, "bad character in file name"}, + {EINVAL, "file name syntax"}, + {EPERM, "permission denied"}, + {EPERM, "inappropriate use of fd"}, + {EINVAL, "bad arg in system call"}, + {EBUSY, "device or object already in use"}, + {EIO, "i/o error"}, + {EIO, "read or write too large"}, + {EIO, "read or write too small"}, + {EADDRINUSE, "network port not available"}, + {ESHUTDOWN, "write to hungup stream"}, + {ESHUTDOWN, "i/o on hungup channel"}, + {EINVAL, "bad process or channel control request"}, + {EBUSY, "no free devices"}, + {ESRCH, "process exited"}, + {ECHILD, "no living children"}, + {EIO, "i/o error in demand load"}, + {ENOMEM, "virtual memory allocation failed"}, + {EBADF, "fd out of range or not open"}, + {EMFILE, "no free file descriptors"}, + {ESPIPE, "seek on a stream"}, + {ENOEXEC, "exec header invalid"}, + {ETIMEDOUT, "connection timed out"}, + {ECONNREFUSED, "connection refused"}, + {ECONNREFUSED, "connection in use"}, + {EINTR, "interrupted"}, + {ENOMEM, "kernel allocate failed"}, + {EINVAL, "segments overlap"}, + {EIO, "i/o count too small"}, + {EGREG, "ken has left the building"}, + {EINVAL, "bad attach specifier"}, + + /* from exhausted() calls in kernel */ + {ENFILE, "no free file descriptors"}, + {EBUSY, "no free mount devices"}, + {EBUSY, "no free mount rpc buffer"}, + {EBUSY, "no free segments"}, + {ENOMEM, "no free memory"}, + {ENOBUFS, "no free Blocks"}, + {EBUSY, "no free routes"}, + + /* from ken */ + {EINVAL, "attach -- bad specifier"}, + {EBADF, "unknown fid"}, + {EINVAL, "bad character in directory name"}, + {EBADF, "read/write -- on non open fid"}, + {EIO, "read/write -- count too big"}, + {EIO, "phase error -- directory entry not allocated"}, + {EIO, "phase error -- qid does not match"}, + {EACCES, "access permission denied"}, + {ENOENT, "directory entry not found"}, + {EINVAL, "open/create -- unknown mode"}, + {ENOTDIR, "walk -- in a non-directory"}, + {ENOTDIR, "create -- in a non-directory"}, + {EIO, "phase error -- cannot happen"}, + {EEXIST, "create -- file exists"}, + {EINVAL, "create -- . and .. illegal names"}, + {ENOTEMPTY, "directory not empty"}, + {EINVAL, "attach -- privileged user"}, + {EPERM, "wstat -- not owner"}, + {EPERM, "wstat -- not in group"}, + {EINVAL, "create/wstat -- bad character in file name"}, + {EBUSY, "walk -- too many (system wide)"}, + {EROFS, "file system read only"}, + {ENOSPC, "file system full"}, + {EINVAL, "read/write -- offset negative"}, + {EBUSY, "open/create -- file is locked"}, + {EBUSY, "close/read/write -- lock is broken"}, + + /* from sockets */ + {ENOTSOCK, "not a socket"}, + {EPROTONOSUPPORT, "protocol not supported"}, + {ECONNREFUSED, "connection refused"}, + {EAFNOSUPPORT, "address family not supported"}, + {ENOBUFS, "insufficient buffer space"}, + {EOPNOTSUPP, "operation not supported"}, + {EADDRINUSE, "address in use"}, + {EGREG, "unnamed error message"}, +}; + +#define NERRMAP (sizeof(map)/sizeof(struct errmap)) + +/* convert last system call error to an errno */ +void +_syserrno(void) +{ + int i; + + if(_ERRSTR(_plan9err, sizeof _plan9err) < 0) + errno = EINVAL; + else{ + for(i = 0; i < NERRMAP; i++) + if(strstr(_plan9err, map[i].ename) != 0) + break; + _ERRSTR(_plan9err, sizeof _plan9err); + errno = (i < NERRMAP)? map[i].errno : EINVAL; + } +} diff --git a/sys/src/ape/lib/ap/plan9/_exit.c b/sys/src/ape/lib/ap/plan9/_exit.c new file mode 100755 index 000000000..e3886ff18 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/_exit.c @@ -0,0 +1,58 @@ +#include "lib.h" +#include "sys9.h" +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <signal.h> + +int _finishing = 0; +int _sessleader = 0; + +static char exitstatus[ERRMAX]; + +void +_exit(int status) +{ + _finish(status, 0); +} + +void +_finish(int status, char *term) +{ + int i, nalive; + char *cp; + + if(_finishing) + _EXITS(exitstatus); + _finishing = 1; + if(status){ + cp = _ultoa(exitstatus, status & 0xFF); + *cp = 0; + }else if(term){ + strncpy(exitstatus, term, ERRMAX); + exitstatus[ERRMAX-1] = '\0'; + } + if(_sessleader) + kill(0, SIGTERM); + _EXITS(exitstatus); +} + +/* emulate: return p+sprintf(p, "%uld", v) */ +#define IDIGIT 15 +char * +_ultoa(char *p, unsigned long v) +{ + char s[IDIGIT]; + int n, i; + + s[IDIGIT-1] = 0; + for(i = IDIGIT-2; i; i--){ + n = v % 10; + s[i] = n + '0'; + v = v / 10; + if(v == 0) + break; + } + strcpy(p, s+i); + return p + (IDIGIT-1-i); +} diff --git a/sys/src/ape/lib/ap/plan9/_fcall.c b/sys/src/ape/lib/ap/plan9/_fcall.c new file mode 100755 index 000000000..394f4cc08 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/_fcall.c @@ -0,0 +1,422 @@ +#include <string.h> +#include "sys9.h" +#include "lib.h" +#include "dir.h" +#include "fcall.h" + +typedef unsigned char uchar; + +#define CHAR(x) *p++ = f->x +#define SHORT(x) p[0] = f->x; p[1] = f->x>>8; p += 2 +#define LONG(x) p[0] = f->x; p[1] = f->x>>8; p[2] = f->x>>16; p[3] = f->x>>24; p += 4 +#define VLONG(x) p[0] = f->x; p[1] = f->x>>8; p[2] = f->x>>16; p[3] = f->x>>24;\ + p[4] = 0; p[5] = 0; p[6] = 0; p[7] = 0; p += 8 +#define STRING(x,n) memcpy(p, f->x, n); p += n + +int +convS2M(Fcall *f, char *ap) +{ + uchar *p; + + p = (uchar*)ap; + CHAR(type); + SHORT(tag); + switch(f->type) + { + default: + return 0; + + case Tosession: + case Tnop: + break; + + case Tsession: + STRING(chal, sizeof(f->chal)); + break; + + case Tflush: + SHORT(oldtag); + break; + + case Tattach: + SHORT(fid); + STRING(uname, sizeof(f->uname)); + STRING(aname, sizeof(f->aname)); + STRING(ticket, sizeof(f->ticket)); + STRING(auth, sizeof(f->auth)); + break; + + case Toattach: + SHORT(fid); + STRING(uname, sizeof(f->uname)); + STRING(aname, sizeof(f->aname)); + STRING(ticket, NAMELEN); + break; + + case Tauth: + SHORT(fid); + STRING(uname, sizeof(f->uname)); + STRING(ticket, 8+NAMELEN); + break; + + case Tclone: + SHORT(fid); + SHORT(newfid); + break; + + case Twalk: + SHORT(fid); + STRING(name, sizeof(f->name)); + break; + + case Topen: + SHORT(fid); + CHAR(mode); + break; + + case Tcreate: + SHORT(fid); + STRING(name, sizeof(f->name)); + LONG(perm); + CHAR(mode); + break; + + case Tread: + SHORT(fid); + VLONG(offset); + SHORT(count); + break; + + case Twrite: + SHORT(fid); + VLONG(offset); + SHORT(count); + p++; /* pad(1) */ + STRING(data, f->count); + break; + + case Tclunk: + SHORT(fid); + break; + + case Tremove: + SHORT(fid); + break; + + case Tstat: + SHORT(fid); + break; + + case Twstat: + SHORT(fid); + STRING(stat, sizeof(f->stat)); + break; + + case Tclwalk: + SHORT(fid); + SHORT(newfid); + STRING(name, sizeof(f->name)); + break; +/* + */ + case Rosession: + case Rnop: + break; + + case Rsession: + STRING(chal, sizeof(f->chal)); + STRING(authid, sizeof(f->authid)); + STRING(authdom, sizeof(f->authdom)); + break; + + case Rerror: + STRING(ename, sizeof(f->ename)); + break; + + case Rflush: + break; + + case Rattach: + SHORT(fid); + LONG(qid.path); + LONG(qid.vers); + STRING(rauth, sizeof(f->rauth)); + break; + + case Roattach: + SHORT(fid); + LONG(qid.path); + LONG(qid.vers); + break; + + case Rauth: + SHORT(fid); + STRING(ticket, 8+8+7+7); + break; + + case Rclone: + SHORT(fid); + break; + + case Rwalk: + case Rclwalk: + SHORT(fid); + LONG(qid.path); + LONG(qid.vers); + break; + + case Ropen: + SHORT(fid); + LONG(qid.path); + LONG(qid.vers); + break; + + case Rcreate: + SHORT(fid); + LONG(qid.path); + LONG(qid.vers); + break; + + case Rread: + SHORT(fid); + SHORT(count); + p++; /* pad(1) */ + STRING(data, f->count); + break; + + case Rwrite: + SHORT(fid); + SHORT(count); + break; + + case Rclunk: + SHORT(fid); + break; + + case Rremove: + SHORT(fid); + break; + + case Rstat: + SHORT(fid); + STRING(stat, sizeof(f->stat)); + break; + + case Rwstat: + SHORT(fid); + break; + } + return p - (uchar*)ap; +} + +#undef CHAR +#undef SHORT +#undef LONG +#undef VLONG +#undef STRING + +#define CHAR(x) f->x = *p++ +#define SHORT(x) f->x = (p[0] | (p[1]<<8)); p += 2 +#define LONG(x) f->x = (p[0] | (p[1]<<8) |\ + (p[2]<<16) | (p[3]<<24)); p += 4 +#define VLONG(x) f->x = (p[0] | (p[1]<<8) |\ + (p[2]<<16) | (p[3]<<24)); p += 8 +#define STRING(x,n) memcpy(f->x, p, n); p += n + +int +convM2S(char *ap, Fcall *f, int n) +{ + uchar *p; + + p = (uchar*)ap; + CHAR(type); + SHORT(tag); + switch(f->type) + { + default: + return 0; + + case Tnop: + case Tosession: + break; + + case Tsession: + STRING(chal, sizeof(f->chal)); + break; + + case Tflush: + SHORT(oldtag); + break; + + case Tattach: + SHORT(fid); + STRING(uname, sizeof(f->uname)); + STRING(aname, sizeof(f->aname)); + STRING(ticket, sizeof(f->ticket)); + STRING(auth, sizeof(f->auth)); + break; + + case Toattach: + SHORT(fid); + STRING(uname, sizeof(f->uname)); + STRING(aname, sizeof(f->aname)); + STRING(ticket, NAMELEN); + break; + + case Tauth: + SHORT(fid); + STRING(uname, sizeof(f->uname)); + STRING(ticket, 8+NAMELEN); + break; + + case Tclone: + SHORT(fid); + SHORT(newfid); + break; + + case Twalk: + SHORT(fid); + STRING(name, sizeof(f->name)); + break; + + case Topen: + SHORT(fid); + CHAR(mode); + break; + + case Tcreate: + SHORT(fid); + STRING(name, sizeof(f->name)); + LONG(perm); + CHAR(mode); + break; + + case Tread: + SHORT(fid); + VLONG(offset); + SHORT(count); + break; + + case Twrite: + SHORT(fid); + VLONG(offset); + SHORT(count); + p++; /* pad(1) */ + f->data = (char*)p; p += f->count; + break; + + case Tclunk: + SHORT(fid); + break; + + case Tremove: + SHORT(fid); + break; + + case Tstat: + SHORT(fid); + break; + + case Twstat: + SHORT(fid); + STRING(stat, sizeof(f->stat)); + break; + + case Tclwalk: + SHORT(fid); + SHORT(newfid); + STRING(name, sizeof(f->name)); + break; +/* + */ + case Rnop: + case Rosession: + break; + + case Rsession: + STRING(chal, sizeof(f->chal)); + STRING(authid, sizeof(f->authid)); + STRING(authdom, sizeof(f->authdom)); + break; + + case Rerror: + STRING(ename, sizeof(f->ename)); + break; + + case Rflush: + break; + + case Rattach: + SHORT(fid); + LONG(qid.path); + LONG(qid.vers); + STRING(rauth, sizeof(f->rauth)); + break; + + case Roattach: + SHORT(fid); + LONG(qid.path); + LONG(qid.vers); + break; + + case Rauth: + SHORT(fid); + STRING(ticket, 8+8+7+7); + break; + + case Rclone: + SHORT(fid); + break; + + case Rwalk: + case Rclwalk: + SHORT(fid); + LONG(qid.path); + LONG(qid.vers); + break; + + case Ropen: + SHORT(fid); + LONG(qid.path); + LONG(qid.vers); + break; + + case Rcreate: + SHORT(fid); + LONG(qid.path); + LONG(qid.vers); + break; + + case Rread: + SHORT(fid); + SHORT(count); + p++; /* pad(1) */ + f->data = (char*)p; p += f->count; + break; + + case Rwrite: + SHORT(fid); + SHORT(count); + break; + + case Rclunk: + SHORT(fid); + break; + + case Rremove: + SHORT(fid); + break; + + case Rstat: + SHORT(fid); + STRING(stat, sizeof(f->stat)); + break; + + case Rwstat: + SHORT(fid); + break; + } + if((uchar*)ap+n == p) + return n; + return 0; +} diff --git a/sys/src/ape/lib/ap/plan9/_fdinfo.c b/sys/src/ape/lib/ap/plan9/_fdinfo.c new file mode 100755 index 000000000..85bbeca95 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/_fdinfo.c @@ -0,0 +1,169 @@ +#define _BSDTIME_EXTENSION +#include "lib.h" +#include <sys/stat.h> +#include <stdlib.h> +#include "sys9.h" +#include <string.h> + +extern int errno; +Fdinfo _fdinfo[OPEN_MAX]; + +/* + called from _envsetup, either with the value of the environment + variable _fdinfo (from s to se-1), or with s==0 if there was no _fdinfo +*/ +static void +defaultfdinit(void) +{ + int i; + Fdinfo *fi; + + for(i = 0; i <= 2; i++) { + fi = &_fdinfo[i]; + fi->flags = FD_ISOPEN; + fi->oflags = (i == 0)? O_RDONLY : O_WRONLY; + if(_isatty(i)) + fi->flags |= FD_ISTTY; + } +} + +static int +readprocfdinit(void) +{ + /* construct info from /proc/$pid/fd */ + char buf[8192]; + Fdinfo *fi; + int fd, pfd, pid, n, tot, m; + char *s, *nexts; + + memset(buf, 0, sizeof buf); + pfd = _OPEN("#c/pid", 0); + if(pfd < 0) + return -1; + if(_PREAD(pfd, buf, 100, 0) < 0){ + _CLOSE(pfd); + return -1; + } + _CLOSE(pfd); + pid = strtoul(buf, 0, 10); + strcpy(buf, "#p/"); + _ultoa(buf+3, pid); + strcat(buf, "/fd"); + pfd = _OPEN(buf, 0); + if(pfd < 0) + return -1; + memset(buf, 0, sizeof buf); + tot = 0; + for(;;){ + n = _PREAD(pfd, buf+tot, sizeof buf-tot, tot); + if(n <= 0) + break; + tot += n; + } + _CLOSE(pfd); + if(n < 0) + return -1; + buf[sizeof buf-1] = '\0'; + s = strchr(buf, '\n'); /* skip current directory */ + if(s == 0) + return -1; + s++; + m = 0; + for(; s && *s; s=nexts){ + nexts = strchr(s, '\n'); + if(nexts) + *nexts++ = '\0'; + errno = 0; + fd = strtoul(s, &s, 10); + if(errno != 0) + return -1; + if(fd >= OPEN_MAX) + continue; + if(fd == pfd) + continue; + fi = &_fdinfo[fd]; + fi->flags = FD_ISOPEN; + while(*s == ' ' || *s == '\t') + s++; + if(*s == 'r'){ + m |= 1; + s++; + } + if(*s == 'w'){ + m |= 2; + } + if(m==1) + fi->oflags = O_RDONLY; + else if(m==2) + fi->oflags = O_WRONLY; + else + fi->oflags = O_RDWR; + if(strlen(s) >= 9 && strcmp(s+strlen(s)-9, "/dev/cons") == 0) + fi->flags |= FD_ISTTY; + } + return 0; +} + +static void +sfdinit(int usedproc, char *s, char *se) +{ + int i; + Fdinfo *fi; + unsigned long fd, fl, ofl; + char *e; + struct stat sbuf; + + while(s < se){ + fd = strtoul(s, &e, 10); + if(s == e) + break; + s = e; + fl = strtoul(s, &e, 10); + if(s == e) + break; + s = e; + ofl = strtoul(s, &e, 10); + if(s == e) + break; + s = e; + if(fd < OPEN_MAX){ + fi = &_fdinfo[fd]; + if(usedproc && !(fi->flags&FD_ISOPEN)) + continue; /* should probably ignore all of $_fdinit */ + fi->flags = fl; + fi->oflags = ofl; + if(_isatty(fd)) + fi->flags |= FD_ISTTY; + } + } + +} + +void +_fdinit(char *s, char *se) +{ + int i, usedproc; + Fdinfo *fi; + struct stat sbuf; + + usedproc = 0; + if(readprocfdinit() == 0) + usedproc = 1; +else +_WRITE(2, "FAILED\n", 7); + if(s) + sfdinit(usedproc, s, se); + if(!s && !usedproc) + defaultfdinit(); + + for(i = 0; i < OPEN_MAX; i++) { + fi = &_fdinfo[i]; + if(fi->flags&FD_ISOPEN){ + if(fstat(i, &sbuf) >= 0) { + fi->uid = sbuf.st_uid; + fi->gid = sbuf.st_gid; + } + } + } +} + diff --git a/sys/src/ape/lib/ap/plan9/_getpw.c b/sys/src/ape/lib/ap/plan9/_getpw.c new file mode 100755 index 000000000..151d7f3c8 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/_getpw.c @@ -0,0 +1,174 @@ +#include "lib.h" +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include "sys9.h" +#include "dir.h" + +/* + * Search /adm/users for line with second field == *pname (if + * not NULL), else with first field == *pnum. Return non-zero + * if found, and fill in *pnum, *pname, and *plist to fields + * 1, 2, and 4 + */ + +enum {NAMEMAX = 20, MEMOMAX = 40 }; + +static char *admusers = "/adm/users"; + +/* we hold a fixed-length memo list of past lookups, and use a move-to-front + strategy to organize the list +*/ +typedef struct Memo { + char name[NAMEMAX]; + int num; + char *glist; +} Memo; + +static Memo *memo[MEMOMAX]; +static int nmemo = 0; + +int +_getpw(int *pnum, char **pname, char **plist) +{ + Dir *d; + int f, n, i, j, matchnum, m, matched; + char *eline, *f1, *f2, *f3, *f4; + Memo *mem; + static char *au = NULL; + vlong length; + + if(!pname) + return 0; + if(au == NULL){ + d = _dirstat(admusers); + if(d == nil) + return 0; + length = d->length; + free(d); + if((au = (char *)malloc(length+2)) == NULL) + return 0; + f = open(admusers, O_RDONLY); + if(f < 0) + return 0; + n = read(f, au, length); + if(n < 0) + return 0; + au[n] = 0; + } + matchnum = (*pname == NULL); + matched = 0; + /* try using memo */ + for(i = 0; i<nmemo; i++) { + mem = memo[i]; + if(matchnum) + matched = (mem->num == *pnum); + else + matched = (strcmp(mem->name, *pname) == 0); + if(matched) { + break; + } + } + if(!matched) + for(f1 = au, eline = au; !matched && *eline; f1 = eline+1){ + eline = strchr(f1, '\n'); + if(!eline) + eline = strchr(f1, 0); + if(*f1 == '#' || *f1 == '\n') + continue; + n = eline-f1; + f2 = memchr(f1, ':', n); + if(!f2) + continue; + f2++; + f3 = memchr(f2, ':', n-(f2-f1)); + if(!f3) + continue; + f3++; + f4 = memchr(f3, ':', n-(f3-f1)); + if(!f4) + continue; + f4++; + if(matchnum) + matched = (atoi(f1) == *pnum); + else{ + int length; + + length = f3-f2-1; + matched = length==strlen(*pname) && memcmp(*pname, f2, length)==0; + } + if(matched){ + /* allocate and fill in a Memo structure */ + mem = (Memo*)malloc(sizeof(struct Memo)); + if(!mem) + return 0; + m = (f3-f2)-1; + if(m > NAMEMAX-1) + m = NAMEMAX-1; + memcpy(mem->name, f2, m); + mem->name[m] = 0; + mem->num = atoi(f1); + m = n-(f4-f1); + if(m > 0){ + mem->glist = (char*)malloc(m+1); + if(mem->glist) { + memcpy(mem->glist, f4, m); + mem->glist[m] = 0; + } + } else + mem->glist = 0; + /* prepare for following move-to-front */ + if(nmemo == MEMOMAX) { + free(memo[nmemo-1]); + i = nmemo-1; + } else { + i = nmemo++; + } + } + } + if(matched) { + if(matchnum) + *pname = mem->name; + else + *pnum = mem->num; + if(plist) + *plist = mem->glist; + if(i > 0) { + /* make room at front */ + for(j = i; j > 0; j--) + memo[j] = memo[j-1]; + } + memo[0] = mem; + return 1; + } + return 0; +} + +char ** +_grpmems(char *list) +{ + char **v; + char *p; + static char *holdvec[200]; + static char holdlist[1000]; + + p = list; + v = holdvec; + if(p) { + strncpy(holdlist, list, sizeof(holdlist)); + while(v< &holdvec[sizeof(holdvec)]-1 && *p){ + *v++ = p; + p = strchr(p, ','); + if(p){ + p++; + *p = 0; + }else + break; + } + } + *v = 0; + return holdvec; +} diff --git a/sys/src/ape/lib/ap/plan9/_nap.c b/sys/src/ape/lib/ap/plan9/_nap.c new file mode 100755 index 000000000..d21eff79c --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/_nap.c @@ -0,0 +1,20 @@ +#include "lib.h" +#include <unistd.h> +#include <time.h> +#include "sys9.h" + +/* + * This is an extension to POSIX + */ +unsigned int +_nap(unsigned int millisecs) +{ + time_t t0, t1; + + t0 = time(0); + if(_SLEEP(millisecs) < 0){ + t1 = time(0); + return t1-t0; + } + return 0; +} diff --git a/sys/src/ape/lib/ap/plan9/access.c b/sys/src/ape/lib/ap/plan9/access.c new file mode 100755 index 000000000..c51b37d6c --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/access.c @@ -0,0 +1,62 @@ +#include "lib.h" +#include <string.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <errno.h> +#include <stdlib.h> +#include "sys9.h" +#include "dir.h" + +int +access(const char *name, int mode) +{ + int fd, n; + Dir *db; + struct stat st; + static char omode[] = { + 0, + 3, + 1, + 2, + 0, + 2, + 2, + 2 + }; + char tname[1024]; + + if(mode == 0){ + db = _dirstat(name); + if(db == nil){ + _syserrno(); + return -1; + } + free(db); + return 0; + } + fd = open(name, omode[mode&7]); + if(fd >= 0){ + close(fd); + return 0; + } + else if(stat(name, &st)==0 && S_ISDIR(st.st_mode)){ + if(mode & (R_OK|X_OK)){ + fd = open(name, O_RDONLY); + if(fd < 0) + return -1; + close(fd); + } + if(mode & W_OK){ + strncpy(tname, name, sizeof(tname)-9); + strcat(tname, "/_AcChAcK"); + fd = creat(tname, 0666); + if(fd < 0) + return -1; + close(fd); + _REMOVE(tname); + } + return 0; + } + return -1; +} diff --git a/sys/src/ape/lib/ap/plan9/acid.c b/sys/src/ape/lib/ap/plan9/acid.c new file mode 100755 index 000000000..5109a215e --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/acid.c @@ -0,0 +1,31 @@ +/* include struct defs to get acid library + cpp -I/sys/include/ape -I/$objtype/include/ape -I./include acid.c > t.c + vc -a t.c > acidlib +*/ +#define _POSIX_SOURCE 1 +#define _BSD_EXTENSION 1 +#define _LOCK_EXTENSION +#include <stddef.h> +#include <stdlib.h> +#include <errno.h> +#include <unistd.h> +#include <signal.h> +#include <string.h> +#include <stdio.h> +#include <lock.h> +#include <sys/time.h> +#include <sys/select.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <dirent.h> +#include <termios.h> +#include <stdarg.h> +#include <math.h> +#include <float.h> +#include <sys/utsname.h> +/* #include "lib.h" buf.c below */ +/* #include "sys9.h" buf.c below */ +#include "_buf.c" +#include "dir.h" +#include "fcall.h" diff --git a/sys/src/ape/lib/ap/plan9/acidlib b/sys/src/ape/lib/ap/plan9/acidlib new file mode 100755 index 000000000..a4f14503f --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/acidlib @@ -0,0 +1,706 @@ +sizeof_1_ = 8; +aggr _1_ +{ + 'D' 0 quot; + 'D' 4 rem; +}; + +defn +_1_(addr) { + complex _1_ addr; + print(" quot ", addr.quot, "\n"); + print(" rem ", addr.rem, "\n"); +}; + +sizeof_2_ = 8; +aggr _2_ +{ + 'D' 0 quot; + 'D' 4 rem; +}; + +defn +_2_(addr) { + complex _2_ addr; + print(" quot ", addr.quot, "\n"); + print(" rem ", addr.rem, "\n"); +}; + +sizeofsigaction = 12; +aggr sigaction +{ + 'X' 0 sa_handler; + 'D' 4 sa_mask; + 'D' 8 sa_flags; +}; + +defn +sigaction(addr) { + complex sigaction addr; + print(" sa_handler ", addr.sa_handler\X, "\n"); + print(" sa_mask ", addr.sa_mask, "\n"); + print(" sa_flags ", addr.sa_flags, "\n"); +}; + +sizeof_3_ = 32; +aggr _3_ +{ + 'D' 0 fd; + 'C' 4 flags; + 'C' 5 state; + 'X' 8 buf; + 'X' 12 rp; + 'X' 16 wp; + 'X' 20 lp; + 'U' 24 bufl; + 'a' 28 unbuf; +}; + +defn +_3_(addr) { + complex _3_ addr; + print(" fd ", addr.fd, "\n"); + print(" flags ", addr.flags, "\n"); + print(" state ", addr.state, "\n"); + print(" buf ", addr.buf\X, "\n"); + print(" rp ", addr.rp\X, "\n"); + print(" wp ", addr.wp\X, "\n"); + print(" lp ", addr.lp\X, "\n"); + print(" bufl ", addr.bufl, "\n"); + print(" unbuf ", addr.unbuf, "\n"); +}; + +sizeof_4_ = 4; +aggr _4_ +{ + 'D' 0 val; +}; + +defn +_4_(addr) { + complex _4_ addr; + print(" val ", addr.val, "\n"); +}; + +sizeoftimeval = 8; +aggr timeval +{ + 'D' 0 tv_sec; + 'D' 4 tv_usec; +}; + +defn +timeval(addr) { + complex timeval addr; + print(" tv_sec ", addr.tv_sec, "\n"); + print(" tv_usec ", addr.tv_usec, "\n"); +}; + +sizeoftimezone = 8; +aggr timezone +{ + 'D' 0 tz_minuteswest; + 'D' 4 tz_dsttime; +}; + +defn +timezone(addr) { + complex timezone addr; + print(" tz_minuteswest ", addr.tz_minuteswest, "\n"); + print(" tz_dsttime ", addr.tz_dsttime, "\n"); +}; + +sizeoffd_set = 12; +aggr fd_set +{ + 'a' 0 fds_bits; +}; + +defn +fd_set(addr) { + complex fd_set addr; + mem(addr, "3X"); +}; + +sizeofstat = 28; +aggr stat +{ + 'u' 0 st_dev; + 'u' 2 st_ino; + 'u' 4 st_mode; + 'd' 6 st_nlink; + 'd' 8 st_uid; + 'd' 10 st_gid; + 'D' 12 st_size; + 'D' 16 st_atime; + 'D' 20 st_mtime; + 'D' 24 st_ctime; +}; + +defn +stat(addr) { + complex stat addr; + print(" st_dev ", addr.st_dev, "\n"); + print(" st_ino ", addr.st_ino, "\n"); + print(" st_mode ", addr.st_mode, "\n"); + print(" st_nlink ", addr.st_nlink, "\n"); + print(" st_uid ", addr.st_uid, "\n"); + print(" st_gid ", addr.st_gid, "\n"); + print(" st_size ", addr.st_size, "\n"); + print(" st_atime ", addr.st_atime, "\n"); + print(" st_mtime ", addr.st_mtime, "\n"); + print(" st_ctime ", addr.st_ctime, "\n"); +}; + +sizeofflock = 16; +aggr flock +{ + 'd' 0 l_type; + 'd' 2 l_whence; + 'D' 4 l_start; + 'D' 8 l_len; + 'D' 12 l_pid; +}; + +defn +flock(addr) { + complex flock addr; + print(" l_type ", addr.l_type, "\n"); + print(" l_whence ", addr.l_whence, "\n"); + print(" l_start ", addr.l_start, "\n"); + print(" l_len ", addr.l_len, "\n"); + print(" l_pid ", addr.l_pid, "\n"); +}; + +sizeofdirent = 28; +aggr dirent +{ + 'a' 0 d_name; +}; + +defn +dirent(addr) { + complex dirent addr; + print(" d_name ", addr.d_name, "\n"); +}; + +sizeof_dirdesc = 16; +aggr _dirdesc +{ + 'D' 0 dd_fd; + 'D' 4 dd_loc; + 'D' 8 dd_size; + 'X' 12 dd_buf; +}; + +defn +_dirdesc(addr) { + complex _dirdesc addr; + print(" dd_fd ", addr.dd_fd, "\n"); + print(" dd_loc ", addr.dd_loc, "\n"); + print(" dd_size ", addr.dd_size, "\n"); + print(" dd_buf ", addr.dd_buf\X, "\n"); +}; + +sizeoftermios = 28; +aggr termios +{ + 'U' 0 c_iflag; + 'U' 4 c_oflag; + 'U' 8 c_cflag; + 'U' 12 c_lflag; + 'a' 16 c_cc; +}; + +defn +termios(addr) { + complex termios addr; + print(" c_iflag ", addr.c_iflag, "\n"); + print(" c_oflag ", addr.c_oflag, "\n"); + print(" c_cflag ", addr.c_cflag, "\n"); + print(" c_lflag ", addr.c_lflag, "\n"); + print(" c_cc ", addr.c_cc, "\n"); +}; + +sizeofutsname = 20; +aggr utsname +{ + 'X' 0 sysname; + 'X' 4 nodename; + 'X' 8 release; + 'X' 12 version; + 'X' 16 machine; +}; + +defn +utsname(addr) { + complex utsname addr; + print(" sysname ", addr.sysname\X, "\n"); + print(" nodename ", addr.nodename\X, "\n"); + print(" release ", addr.release\X, "\n"); + print(" version ", addr.version\X, "\n"); + print(" machine ", addr.machine\X, "\n"); +}; + +sizeofMuxbuf = 16400; +aggr Muxbuf +{ + 'D' 0 n; + 'X' 4 putnext; + 'X' 8 getnext; + 'b' 12 fd; + 'b' 13 eof; + 'b' 14 roomwait; + 'b' 15 datawait; + 'a' 16 data; +}; + +defn +Muxbuf(addr) { + complex Muxbuf addr; + print(" n ", addr.n, "\n"); + print(" putnext ", addr.putnext\X, "\n"); + print(" getnext ", addr.getnext\X, "\n"); + print(" fd ", addr.fd, "\n"); + print(" eof ", addr.eof, "\n"); + print(" roomwait ", addr.roomwait, "\n"); + print(" datawait ", addr.datawait, "\n"); + print(" data ", addr.data, "\n"); +}; + +sizeofFdinfo = 16; +aggr Fdinfo +{ + 'U' 0 flags; + 'U' 4 oflags; + 'X' 8 name; + 'A' Muxbuf 12 buf; +}; + +defn +Fdinfo(addr) { + complex Fdinfo addr; + print(" flags ", addr.flags, "\n"); + print(" oflags ", addr.oflags, "\n"); + print(" name ", addr.name\X, "\n"); + print(" buf ", addr.buf\X, "\n"); +}; + +sizeofWaitmsg = 112; +aggr Waitmsg +{ + 'a' 0 pid; + 'a' 12 time; + 'a' 48 msg; +}; + +defn +Waitmsg(addr) { + complex Waitmsg addr; + print(" pid ", addr.pid, "\n"); + print(" time ", addr.time, "\n"); + print(" msg ", addr.msg, "\n"); +}; + +sizeof_5_ = 8; +aggr _5_ +{ + 'D' 0 hlength; + 'D' 4 length; +}; + +defn +_5_(addr) { + complex _5_ addr; + print(" hlength ", addr.hlength, "\n"); + print(" length ", addr.length, "\n"); +}; + +sizeof_6_ = 8; +aggr _6_ +{ + 'a' 0 clength; + 'D' 0 vlength; + { + 'D' 0 hlength; + 'D' 4 length; + }; +}; + +defn +_6_(addr) { + complex _6_ addr; + print(" clength ", addr.clength, "\n"); + print(" vlength ", addr.vlength, "\n"); + print("_5_ {\n"); + _5_(addr+0); + print("}\n"); +}; + +sizeofQid = 8; +aggr Qid +{ + 'U' 0 path; + 'U' 4 vers; +}; + +defn +Qid(addr) { + complex Qid addr; + print(" path ", addr.path, "\n"); + print(" vers ", addr.vers, "\n"); +}; + +sizeofDir = 116; +aggr Dir +{ + 'a' 0 name; + 'a' 28 uid; + 'a' 56 gid; + Qid 84 qid; + 'U' 92 mode; + 'D' 96 atime; + 'D' 100 mtime; + { + 'a' 104 clength; + 'D' 104 vlength; + { + 'D' 104 hlength; + 'D' 108 length; + }; + }; + 'd' 112 type; + 'd' 114 dev; +}; + +defn +Dir(addr) { + complex Dir addr; + print(" name ", addr.name, "\n"); + print(" uid ", addr.uid, "\n"); + print(" gid ", addr.gid, "\n"); + print("Qid qid {\n"); + Qid(addr.qid); + print("}\n"); + print(" mode ", addr.mode, "\n"); + print(" atime ", addr.atime, "\n"); + print(" mtime ", addr.mtime, "\n"); + print("_6_ {\n"); + _6_(addr+104); + print("}\n"); + print(" type ", addr.type, "\n"); + print(" dev ", addr.dev, "\n"); +}; + +sizeof_7_ = 28; +aggr _7_ +{ + 'u' 0 oldtag; + Qid 4 qid; + 'a' 12 rauth; +}; + +defn +_7_(addr) { + complex _7_ addr; + print(" oldtag ", addr.oldtag, "\n"); + print("Qid qid {\n"); + Qid(addr.qid); + print("}\n"); + print(" rauth ", addr.rauth, "\n"); +}; + +sizeof_8_ = 144; +aggr _8_ +{ + 'a' 0 uname; + 'a' 28 aname; + 'a' 56 ticket; + 'a' 128 auth; +}; + +defn +_8_(addr) { + complex _8_ addr; + print(" uname ", addr.uname, "\n"); + print(" aname ", addr.aname, "\n"); + print(" ticket ", addr.ticket, "\n"); + print(" auth ", addr.auth, "\n"); +}; + +sizeof_9_ = 148; +aggr _9_ +{ + 'a' 0 ename; + 'a' 64 authid; + 'a' 92 authdom; + 'a' 140 chal; +}; + +defn +_9_(addr) { + complex _9_ addr; + print(" ename ", addr.ename, "\n"); + print(" authid ", addr.authid, "\n"); + print(" authdom ", addr.authdom, "\n"); + print(" chal ", addr.chal, "\n"); +}; + +sizeof_10_ = 36; +aggr _10_ +{ + 'D' 0 perm; + 'd' 4 newfid; + 'a' 6 name; + 'C' 34 mode; +}; + +defn +_10_(addr) { + complex _10_ addr; + print(" perm ", addr.perm, "\n"); + print(" newfid ", addr.newfid, "\n"); + print(" name ", addr.name, "\n"); + print(" mode ", addr.mode, "\n"); +}; + +sizeof_11_ = 12; +aggr _11_ +{ + 'D' 0 offset; + 'D' 4 count; + 'X' 8 data; +}; + +defn +_11_(addr) { + complex _11_ addr; + print(" offset ", addr.offset, "\n"); + print(" count ", addr.count, "\n"); + print(" data ", addr.data\X, "\n"); +}; + +sizeof_12_ = 116; +aggr _12_ +{ + 'a' 0 stat; +}; + +defn +_12_(addr) { + complex _12_ addr; + print(" stat ", addr.stat, "\n"); +}; + +sizeof_13_ = 148; +aggr _13_ +{ + { + 'u' 0 oldtag; + Qid 4 qid; + 'a' 12 rauth; + }; + { + 'a' 0 uname; + 'a' 28 aname; + 'a' 56 ticket; + 'a' 128 auth; + }; + { + 'a' 0 ename; + 'a' 64 authid; + 'a' 92 authdom; + 'a' 140 chal; + }; + { + 'D' 0 perm; + 'd' 4 newfid; + 'a' 6 name; + 'C' 34 mode; + }; + { + 'D' 0 offset; + 'D' 4 count; + 'X' 8 data; + }; + { + 'a' 0 stat; + }; +}; + +defn +_13_(addr) { + complex _13_ addr; + print("_7_ {\n"); + _7_(addr+0); + print("}\n"); + print("_8_ {\n"); + _8_(addr+0); + print("}\n"); + print("_9_ {\n"); + _9_(addr+0); + print("}\n"); + print("_10_ {\n"); + _10_(addr+0); + print("}\n"); + print("_11_ {\n"); + _11_(addr+0); + print("}\n"); + print("_12_ {\n"); + _12_(addr+0); + print("}\n"); +}; + +sizeofFcall = 156; +aggr Fcall +{ + 'C' 0 type; + 'd' 2 fid; + 'u' 4 tag; + { + { + 'u' 8 oldtag; + Qid 12 qid; + 'a' 20 rauth; + }; + { + 'a' 8 uname; + 'a' 36 aname; + 'a' 64 ticket; + 'a' 136 auth; + }; + { + 'a' 8 ename; + 'a' 72 authid; + 'a' 100 authdom; + 'a' 148 chal; + }; + { + 'D' 8 perm; + 'd' 12 newfid; + 'a' 14 name; + 'C' 42 mode; + }; + { + 'D' 8 offset; + 'D' 12 count; + 'X' 16 data; + }; + { + 'a' 8 stat; + }; + }; +}; + +defn +Fcall(addr) { + complex Fcall addr; + print(" type ", addr.type, "\n"); + print(" fid ", addr.fid, "\n"); + print(" tag ", addr.tag, "\n"); + print("_13_ {\n"); + _13_(addr+8); + print("}\n"); +}; + +sizeofMuxbuf = 16400; +aggr Muxbuf +{ + 'D' 0 n; + 'X' 4 putnext; + 'X' 8 getnext; + 'b' 12 fd; + 'b' 13 eof; + 'b' 14 roomwait; + 'b' 15 datawait; + 'a' 16 data; +}; + +defn +Muxbuf(addr) { + complex Muxbuf addr; + print(" n ", addr.n, "\n"); + print(" putnext ", addr.putnext\X, "\n"); + print(" getnext ", addr.getnext\X, "\n"); + print(" fd ", addr.fd, "\n"); + print(" eof ", addr.eof, "\n"); + print(" roomwait ", addr.roomwait, "\n"); + print(" datawait ", addr.datawait, "\n"); + print(" data ", addr.data, "\n"); +}; + +sizeofFdinfo = 16; +aggr Fdinfo +{ + 'U' 0 flags; + 'U' 4 oflags; + 'X' 8 name; + 'A' Muxbuf 12 buf; +}; + +defn +Fdinfo(addr) { + complex Fdinfo addr; + print(" flags ", addr.flags, "\n"); + print(" oflags ", addr.oflags, "\n"); + print(" name ", addr.name\X, "\n"); + print(" buf ", addr.buf\X, "\n"); +}; + +sizeofWaitmsg = 112; +aggr Waitmsg +{ + 'a' 0 pid; + 'a' 12 time; + 'a' 48 msg; +}; + +defn +Waitmsg(addr) { + complex Waitmsg addr; + print(" pid ", addr.pid, "\n"); + print(" time ", addr.time, "\n"); + print(" msg ", addr.msg, "\n"); +}; + +sizeofMuxseg = 65640; +aggr Muxseg +{ + _4_ 0 lock; + 'D' 4 curfds; + 'D' 8 selwait; + 'D' 12 waittime; + fd_set 16 rwant; + fd_set 28 ewant; + 'a' 40 bufs; +}; + +defn +Muxseg(addr) { + complex Muxseg addr; + print("_4_ lock {\n"); + _4_(addr.lock); + print("}\n"); + print(" curfds ", addr.curfds, "\n"); + print(" selwait ", addr.selwait, "\n"); + print(" waittime ", addr.waittime, "\n"); + print("fd_set rwant {\n"); + fd_set(addr.rwant); + print("}\n"); + print("fd_set ewant {\n"); + fd_set(addr.ewant); + print("}\n"); + print(" bufs ", addr.bufs, "\n"); +}; + +complex Muxseg mux; +complex Fdinfo _startbuf:f; +complex Muxbuf _startbuf:b; +complex Muxbuf _copyproc:b; +complex Muxbuf _readbuf:b; +complex fd_set select:rfds; +complex fd_set select:wfds; +complex fd_set select:efds; +complex timeval select:timeout; +complex Fdinfo select:f; +complex Muxbuf select:b; diff --git a/sys/src/ape/lib/ap/plan9/alarm.c b/sys/src/ape/lib/ap/plan9/alarm.c new file mode 100755 index 000000000..f8a24aa65 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/alarm.c @@ -0,0 +1,9 @@ +#include "lib.h" +#include <unistd.h> +#include "sys9.h" + +unsigned int +alarm(unsigned seconds) +{ + return _ALARM(seconds*1000); +} diff --git a/sys/src/ape/lib/ap/plan9/brk.c b/sys/src/ape/lib/ap/plan9/brk.c new file mode 100755 index 000000000..0b3240377 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/brk.c @@ -0,0 +1,36 @@ +#include "lib.h" +#include <errno.h> +#include "sys9.h" + +char end[]; +static char *bloc = { end }; +extern int _BRK_(void*); + +char * +brk(char *p) +{ + unsigned long n; + + n = (unsigned long)p; + n += 3; + n &= ~3; + if(_BRK_((void*)n) < 0){ + errno = ENOMEM; + return (char *)-1; + } + bloc = (char *)n; + return 0; +} + +void * +sbrk(unsigned long n) +{ + n += 3; + n &= ~3; + if(_BRK_((void *)(bloc+n)) < 0){ + errno = ENOMEM; + return (void *)-1; + } + bloc += n; + return (void *)(bloc-n); +} diff --git a/sys/src/ape/lib/ap/plan9/buf.prom b/sys/src/ape/lib/ap/plan9/buf.prom new file mode 100755 index 000000000..e8751dadd --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/buf.prom @@ -0,0 +1,360 @@ +#define NBUFS 2 +#define READMAX 2 +#define BUFSIZ 2*READMAX +#define EOF 255 +#define TIMEOUT 254 +#define FILEMAXLEN 20 + +byte n[NBUFS]; +byte ntotal[NBUFS]; +byte putnext[NBUFS]; +byte getnext[NBUFS]; +bool eof[NBUFS]; +bool roomwait[NBUFS]; +bool datawait[NBUFS]; +byte rwant; + +/* use one big data array to simulate 2-d array */ +#define bufstart(slot) (slot*BUFSIZ) +#define bufend(slot) ((slot+1)*BUFSIZ) +/* bit data[BUFSIZ*NBUFS]; */ + +bool selwait; +/* bool hastimeout; */ + +#define get 0 +#define release 1 + +chan lock = [0] of { bit }; +chan lockkill = [0] of { bit }; +chan sel = [0] of { byte }; +chan selcall = [0] of { byte }; +chan selans = [0] of { byte, byte }; +chan selkill = [0] of { bit }; +chan readcall = [0] of { byte, byte }; +chan readans = [0] of { byte }; +chan readkill = [0] of { bit }; +chan croom[NBUFS] = [0] of { bit }; +chan cdata[NBUFS] = [0] of { bit }; + +proctype Lockrendez() +{ + do + :: lock!get -> lock?release + :: lockkill?release -> break + od +} + +proctype Copy(byte fd) +{ + byte num; + bit b; + + do :: 1 -> + /* make sure there's room */ + lock?get; + if + :: (BUFSIZ-putnext[fd]) < READMAX -> + if + :: getnext[fd] == putnext[fd] -> + getnext[fd] = 0; + putnext[fd] = 0; + lock!release + :: getnext[fd] != putnext[fd] -> + roomwait[fd] = 1; + lock!release; + croom[fd]?b + fi + :: (BUFSIZ-putnext[fd]) >= READMAX -> + lock!release + fi; + /* simulate read into data buf at putnext */ + if + :: ntotal[fd] > FILEMAXLEN -> + num = EOF + :: ntotal[fd] <= FILEMAXLEN -> + if + :: num = 1 + :: num = READMAX + :: num = EOF + fi + fi; + /* here is where data transfer would happen */ + lock?get; + if + :: num == EOF -> + eof[fd] = 1; +/* printf("Copy %d got eof\n", fd);/**/ + if + :: datawait[fd] -> + datawait[fd] = 0; + lock!release; + cdata[fd]!1 + :: !datawait[fd] && (rwant & (1<<fd)) && selwait -> + selwait = 0; + lock!release; + sel!fd + :: !datawait[fd] && !((rwant & (1<<fd)) && selwait) -> + lock!release + fi; + break + :: num != EOF -> +/* printf("Copy %d putting %d in; old putnext=%d, old n=%d\n", fd, num, putnext[fd], n[fd]); /* */ + putnext[fd] = putnext[fd] + num; + n[fd] = n[fd] + num; + ntotal[fd] = ntotal[fd] + num; + assert(n[fd] > 0); + if + :: datawait[fd] -> + datawait[fd] = 0; + lock!release; + cdata[fd]!1 + :: !datawait[fd] && (rwant & (1<<fd)) && selwait -> + selwait = 0; + lock!release; + sel!fd + :: !datawait[fd] && !((rwant & (1<<fd)) && selwait) -> + lock!release + fi + fi; + od +} + +proctype Read() +{ + byte ngot; + byte fd; + byte nwant; + bit b; + + do + :: readcall?fd,nwant -> + if + :: eof[fd] && n[fd] == 0 -> + readans!EOF + :: !(eof[fd] && n[fd] == 0) -> + lock?get; + ngot = putnext[fd] - getnext[fd]; +/* printf("Reading %d, want %d: ngot = %d - %d, n = %d\n", fd, nwant, putnext[fd], getnext[fd], n[fd]); /* */ + if + :: ngot == 0 -> + if + :: eof[fd] -> + skip + :: !eof[fd] -> + /* sleep until there's data */ + datawait[fd] = 1; +/* printf("Read sleeping\n"); /* */ + lock!release; + cdata[fd]?b; + lock?get; + ngot = putnext[fd] - getnext[fd]; +/* printf("Read awoke, ngot = %d\n", ngot); /**/ + fi + :: ngot != 0 -> skip + fi; + if + :: ngot > nwant -> ngot = nwant + :: ngot <= nwant -> skip + fi; + /* here would take ngot elements from data, from getnext[fd] ... */ + getnext[fd] = getnext[fd] + ngot; + assert(n[fd] >= ngot); + n[fd] = n[fd] - ngot; + if + :: ngot == 0 -> + assert(eof[fd]); + ngot = EOF + :: ngot != 0 -> skip + fi; + if + :: getnext[fd] == putnext[fd] && roomwait[fd] -> + getnext[fd] = 0; + putnext[fd] = 0; + roomwait[fd] = 0; + lock!release; + croom[fd]!0 + :: getnext[fd] != putnext[fd] || !roomwait[fd] -> + lock!release + fi; + readans!ngot + fi + :: readkill?b -> break + od +} + +proctype Select() +{ + byte num; + byte i; + byte fd; + byte r; + bit b; + + do + :: selcall?r -> +/* printf("Select called, r=%d\n", r); /**/ + i = 0; + do + :: i < NBUFS -> + if + :: r & (1<<i) -> + if + :: eof[i] && n[i] == 0 -> +/* printf("Select got eof on %d\n", i);/**/ + num = EOF; + r = i; + goto donesel + :: !eof[i] || n[i] != 0 -> skip + fi + :: !(r & (1<<i)) -> skip + fi; + i = i+1 + :: i >= NBUFS -> break + od; + num = 0; + lock?get; + rwant = 0; + i = 0; + do + :: i < NBUFS -> + if + :: r & (1<<i) -> + if + :: n[i] > 0 || eof[i] -> +/* printf("Select found %d has n==%d\n", i, n[i]); /**/ + num = num+1 + :: n[i] == 0 && !eof[i] -> +/* printf("Select asks to wait for %d\n", i); /**/ + r = r &(~(1<<i)); + rwant = rwant | (1<<i) + fi + :: !(r & (1<<i)) -> skip + fi; + i = i+1 + :: i >= NBUFS -> break + od; + if + :: num > 0 || rwant == 0 -> + rwant = 0; + lock!release; + :: num == 0 && rwant != 0 -> + selwait = 1; + lock!release; +/* printf("Select sleeps\n"); /**/ + sel?fd; +/* printf("Select wakes up, fd=%d\n", fd); /**/ + if + :: fd != TIMEOUT -> + if + :: (rwant & (1<<fd)) && (n[fd] > 0) -> + r = r | (1<<fd); + num = 1 + :: !(rwant & (1<<fd)) || (n[fd] == 0) -> + num = 0 + fi + :: fd == TIMEOUT -> skip + fi; + rwant = 0 + fi; + donesel: + selans!num,r + :: selkill?b -> break + od +} + +/* This routine is written knowing NBUFS == 2 in several places */ +proctype User() +{ + byte ndone; + byte i; + byte rw; + byte num; + byte nwant; + byte fd; + bool goteof[NBUFS]; + + ndone = 0; + do + :: ndone == NBUFS -> break + :: ndone < NBUFS -> + if + :: 1-> + /* maybe use Read */ +/* printf("User trying to read. Current goteofs: %d %d\n", goteof[0], goteof[1]); /**/ + /* randomly pick fd 0 or 1 from non-eof ones */ + if + :: !goteof[0] -> fd = 0 + :: !goteof[1] -> fd = 1 + fi; + if + :: nwant = 1 + :: nwant = READMAX + fi; + readcall!fd,nwant; + readans?num; + if + :: num == EOF -> + goteof[fd] = 1; + ndone = ndone + 1 + :: num != EOF -> assert(num != 0) + fi + :: 1-> +/* printf("User trying to select. Current goteofs: %d %d\n", goteof[0], goteof[1]); /**/ + /* maybe use Select, then Read */ + /* randomly set the "i want" bit for non-eof fds */ + if + :: !goteof[0] && !goteof[1] -> rw = (1<<0) | (1<<1) + :: !goteof[0] -> rw = (1<<0) + :: !goteof[1] -> rw = (1<<1) + fi; + selcall!rw; + selans?i,rw; + if + :: i == EOF -> + goteof[rw] = 1; + ndone = ndone + 1 + :: i != EOF -> + /* this next statement knows NBUFS == 2 ! */ + if + :: rw & (1<<0) -> fd = 0 + :: rw & (1<<1) -> fd = 1 + :: rw == 0 -> fd = EOF + fi; + if + :: nwant = 1 + :: nwant = READMAX + fi; + if + :: fd != EOF -> + readcall!fd,nwant; + readans?num; + assert(num != 0) + :: fd == EOF -> skip + fi + fi + fi + od; + lockkill!release; + selkill!release; + readkill!release +} + +init +{ + byte i; + + atomic { + run Lockrendez(); + i = 0; + do + :: i < NBUFS -> + run Copy(i); + i = i+1 + :: i >= NBUFS -> break + od; + run Select(); + run Read(); + run User() + } +} diff --git a/sys/src/ape/lib/ap/plan9/cfgetospeed.c b/sys/src/ape/lib/ap/plan9/cfgetospeed.c new file mode 100755 index 000000000..cc89f4a86 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/cfgetospeed.c @@ -0,0 +1,26 @@ +#include <termios.h> + +speed_t +cfgetospeed(const struct termios *p) +{ + return B0; +} + +int +cfsetospeed(struct termios *p, speed_t s) +{ + return 0; +} + +speed_t +cfgetispeed(const struct termios *p) +{ + return B0; +} + +int +cfsetispeed(struct termios *p, speed_t s) +{ + return 0; +} + diff --git a/sys/src/ape/lib/ap/plan9/chdir.c b/sys/src/ape/lib/ap/plan9/chdir.c new file mode 100755 index 000000000..245f116d0 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/chdir.c @@ -0,0 +1,14 @@ +#include "lib.h" +#include <unistd.h> +#include "sys9.h" + +int +chdir(const char *f) +{ + int n; + + n = _CHDIR(f); + if(n < 0) + _syserrno(); + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/chmod.c b/sys/src/ape/lib/ap/plan9/chmod.c new file mode 100755 index 000000000..8b6daad22 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/chmod.c @@ -0,0 +1,33 @@ +#include "lib.h" +#include <errno.h> +#include <stdlib.h> +#include "sys9.h" +#include "dir.h" + +int +chmod(const char *path, mode_t mode) +{ + Dir d; + + _nulldir(&d); + d.mode = mode & 0777; + if(_dirwstat(path, &d) < 0){ + _syserrno(); + return -1; + } + return 0; +} + +int +fchmod(int fd, mode_t mode) +{ + Dir d; + + _nulldir(&d); + d.mode = mode & 0777; + if(_dirfwstat(fd, &d) < 0){ + _syserrno(); + return -1; + } + return 0; +} diff --git a/sys/src/ape/lib/ap/plan9/chown.c b/sys/src/ape/lib/ap/plan9/chown.c new file mode 100755 index 000000000..22b651d14 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/chown.c @@ -0,0 +1,39 @@ +#include "lib.h" +#include "sys9.h" +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include <stdlib.h> +#include "dir.h" + +int +chown(const char *path, uid_t owner, gid_t group) +{ + int num; + Dir d; + + _nulldir(&d); + + /* find owner, group */ + d.uid = nil; + num = owner; + if(!_getpw(&num, &d.uid, 0)) { + errno = EINVAL; + return -1; + } + + d.gid = nil; + num = group; + if(!_getpw(&num, &d.gid, 0)) { + errno = EINVAL; + return -1; + } + + if(_dirwstat(path, &d) < 0){ + _syserrno(); + return -1; + } + return 0; +} diff --git a/sys/src/ape/lib/ap/plan9/close.c b/sys/src/ape/lib/ap/plan9/close.c new file mode 100755 index 000000000..258788a39 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/close.c @@ -0,0 +1,34 @@ +#include "lib.h" +#include <stdlib.h> +#include <unistd.h> +#include <errno.h> +#include "sys9.h" + +int +close(int d) +{ + int n; + Fdinfo *f; + + n = -1; + f = &_fdinfo[d]; + if(d<0 || d>=OPEN_MAX || !(f->flags&FD_ISOPEN)) + errno = EBADF; + else{ + if(f->flags&(FD_BUFFERED|FD_BUFFEREDX)) { + if(f->flags&FD_BUFFERED) + _closebuf(d); + f->flags &= ~FD_BUFFERED; + } + n = _CLOSE(d); + if(n < 0) + _syserrno(); + _fdinfo[d].flags = 0; + _fdinfo[d].oflags = 0; + if(_fdinfo[d].name){ + free(_fdinfo[d].name); + _fdinfo[d].name = 0; + } + } + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/convD2M.c b/sys/src/ape/lib/ap/plan9/convD2M.c new file mode 100755 index 000000000..fc1ade5c5 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/convD2M.c @@ -0,0 +1,93 @@ +#include "lib.h" +#include <string.h> +#include "sys9.h" +#include "dir.h" + +uint +_convD2M(Dir *d, uchar *buf, uint nbuf) +{ + uchar *p, *ebuf; + char *sv[4]; + int i, ns, nsv[4], ss; + + if(nbuf < BIT16SZ) + return 0; + + p = buf; + ebuf = buf + nbuf; + + sv[0] = d->name; + sv[1] = d->uid; + sv[2] = d->gid; + sv[3] = d->muid; + + ns = 0; + for(i = 0; i < 4; i++){ + nsv[i] = strlen(sv[i]); + ns += nsv[i]; + } + + ss = STATFIXLEN + ns; + + /* set size befor erroring, so user can know how much is needed */ + /* note that length excludes count field itself */ + PBIT16(p, ss-BIT16SZ); + p += BIT16SZ; + + if(ss > nbuf) + return BIT16SZ; + + PBIT16(p, d->type); + p += BIT16SZ; + PBIT32(p, d->dev); + p += BIT32SZ; + PBIT8(p, d->qid.type); + p += BIT8SZ; + PBIT32(p, d->qid.vers); + p += BIT32SZ; + PBIT64(p, d->qid.path); + p += BIT64SZ; + PBIT32(p, d->mode); + p += BIT32SZ; + PBIT32(p, d->atime); + p += BIT32SZ; + PBIT32(p, d->mtime); + p += BIT32SZ; + PBIT64(p, d->length); + p += BIT64SZ; + + for(i = 0; i < 4; i++){ + ns = nsv[i]; + if(p + ns + BIT16SZ > ebuf) + return 0; + PBIT16(p, ns); + p += BIT16SZ; + memmove(p, sv[i], ns); + p += ns; + } + + if(ss != p - buf) + return 0; + + return p - buf; +} + +uint +_sizeD2M(Dir *d) +{ + char *sv[4]; + int i, ns; + + sv[0] = d->name; + sv[1] = d->uid; + sv[2] = d->gid; + sv[3] = d->muid; + + ns = 0; + for(i = 0; i < 4; i++) + if(sv[i]) + ns += strlen(sv[i]); + + return STATFIXLEN + ns; +} + diff --git a/sys/src/ape/lib/ap/plan9/convM2D.c b/sys/src/ape/lib/ap/plan9/convM2D.c new file mode 100755 index 000000000..222e88927 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/convM2D.c @@ -0,0 +1,74 @@ +#include "lib.h" +#include <string.h> +#include "sys9.h" +#include "dir.h" +#define nil ((void*)0) + +static char nullstring[] = ""; + +uint +_convM2D(uchar *buf, uint nbuf, Dir *d, char *strs) +{ + uchar *p, *ebuf; + char *sv[4]; + int i, ns, nsv[4]; + + p = buf; + ebuf = buf + nbuf; + + p += BIT16SZ; /* ignore size */ + d->type = GBIT16(p); + p += BIT16SZ; + d->dev = GBIT32(p); + p += BIT32SZ; + d->qid.type = GBIT8(p); + p += BIT8SZ; + d->qid.vers = GBIT32(p); + p += BIT32SZ; + d->qid.path = GBIT64(p); + p += BIT64SZ; + d->mode = GBIT32(p); + p += BIT32SZ; + d->atime = GBIT32(p); + p += BIT32SZ; + d->mtime = GBIT32(p); + p += BIT32SZ; + d->length = GBIT64(p); + p += BIT64SZ; + + d->name = nil; + d->uid = nil; + d->gid = nil; + d->muid = nil; + + for(i = 0; i < 4; i++){ + if(p + BIT16SZ > ebuf) + return 0; + ns = GBIT16(p); + p += BIT16SZ; + if(p + ns > ebuf) + return 0; + if(strs){ + nsv[i] = ns; + sv[i] = strs; + memmove(strs, p, ns); + strs += ns; + *strs++ = '\0'; + } + p += ns; + } + + if(strs){ + d->name = sv[0]; + d->uid = sv[1]; + d->gid = sv[2]; + d->muid = sv[3]; + }else{ + d->name = nullstring; + d->uid = nullstring; + d->gid = nullstring; + d->muid = nullstring; + } + + return p - buf; +} diff --git a/sys/src/ape/lib/ap/plan9/creat.c b/sys/src/ape/lib/ap/plan9/creat.c new file mode 100755 index 000000000..a0f917a62 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/creat.c @@ -0,0 +1,13 @@ +#include "lib.h" +#include <sys/stat.h> +#include <fcntl.h> + +int +creat(const char *name, mode_t mode) +{ + int n; + + n = open(name, O_WRONLY | O_CREAT | O_TRUNC, mode); + /* no need to _syserrno; open did it already */ + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/ctermid.c b/sys/src/ape/lib/ap/plan9/ctermid.c new file mode 100755 index 000000000..a8689a71f --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/ctermid.c @@ -0,0 +1,20 @@ +#include <unistd.h> +#include <stdio.h> +#include <string.h> + +char * +ctermid(char *s) +{ + static char buf[L_ctermid]; + + if(s == 0) + s = buf; + strncpy(s, "/dev/cons", sizeof buf); + return(s); +} + +char * +ctermid_r(char *s) +{ + return s ? ctermid(s) : NULL; +} diff --git a/sys/src/ape/lib/ap/plan9/ctime.c b/sys/src/ape/lib/ap/plan9/ctime.c new file mode 100755 index 000000000..34a0b12a5 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/ctime.c @@ -0,0 +1,321 @@ +/* + * This routine converts time as follows. + * The epoch is 0000 Jan 1 1970 GMT. + * The argument time is in seconds since then. + * The localtime(t) entry returns a pointer to an array + * containing + * + * seconds (0-59) + * minutes (0-59) + * hours (0-23) + * day of month (1-31) + * month (0-11) + * year-1970 + * weekday (0-6, Sun is 0) + * day of the year + * daylight savings flag + * + * The routine gets the daylight savings time from the environment. + * + * asctime(tvec)) + * where tvec is produced by localtime + * returns a ptr to a character string + * that has the ascii time in the form + * + * \\ + * Thu Jan 01 00:00:00 1970n0 + * 01234567890123456789012345 + * 0 1 2 + * + * ctime(t) just calls localtime, then asctime. + */ + +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <time.h> +#include <unistd.h> +#include <string.h> + +static char dmsize[12] = +{ + 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 +}; + +/* + * The following table is used for 1974 and 1975 and + * gives the day number of the first day after the Sunday of the + * change. + */ + +static int dysize(int); +static void ct_numb(char*, int); +static void readtimezone(void); +static int rd_name(char**, char*); +static int rd_long(char**, long*); + +#define TZSIZE 150 + +static +struct +{ + char stname[4]; + char dlname[4]; + long stdiff; + long dldiff; + long dlpairs[TZSIZE]; +} timezone; + +char* +ctime(const time_t *t) +{ + return asctime(localtime(t)); +} + +struct tm* +gmtime_r(const time_t *timp, struct tm *result) +{ + int d0, d1; + long hms, day; + time_t tim; + + tim = *timp; + /* + * break initial number into days + */ + hms = tim % 86400L; + day = tim / 86400L; + if(hms < 0) { + hms += 86400L; + day -= 1; + } + + /* + * generate hours:minutes:seconds + */ + result->tm_sec = hms % 60; + d1 = hms / 60; + result->tm_min = d1 % 60; + d1 /= 60; + result->tm_hour = d1; + + /* + * day is the day number. + * generate day of the week. + * The addend is 4 mod 7 (1/1/1970 was Thursday) + */ + + result->tm_wday = (day + 7340036L) % 7; + + /* + * year number + */ + if(day >= 0) + for(d1 = 70; day >= dysize(d1); d1++) + day -= dysize(d1); + else + for (d1 = 70; day < 0; d1--) + day += dysize(d1-1); + result->tm_year = d1; + result->tm_yday = d0 = day; + + /* + * generate month + */ + + if(dysize(d1) == 366) + dmsize[1] = 29; + for(d1 = 0; d0 >= dmsize[d1]; d1++) + d0 -= dmsize[d1]; + dmsize[1] = 28; + result->tm_mday = d0 + 1; + result->tm_mon = d1; + result->tm_isdst = 0; + return result; +} + +struct tm* +gmtime(const time_t *timp) +{ + static struct tm xtime; + + return gmtime_r(timp, &xtime); +} + +struct tm* +localtime_r(const time_t *timp, struct tm *result) +{ + struct tm *ct; + time_t t, tim; + long *p; + int i, dlflag; + + tim = *timp; + if(timezone.stname[0] == 0) + readtimezone(); + t = tim + timezone.stdiff; + dlflag = 0; + for(p = timezone.dlpairs; *p; p += 2) + if(t >= p[0]) + if(t < p[1]) { + t = tim + timezone.dldiff; + dlflag++; + break; + } + ct = gmtime_r(&t, result); + ct->tm_isdst = dlflag; + return ct; +} + +struct tm* +localtime(const time_t *timp) +{ + static struct tm xtime; + + return localtime_r(timp, &xtime); +} + +char* +asctime_r(const struct tm *t, char *buf) +{ + char *ncp; + + strcpy(buf, "Thu Jan 01 00:00:00 1970\n"); + ncp = &"SunMonTueWedThuFriSat"[t->tm_wday*3]; + buf[0] = *ncp++; + buf[1] = *ncp++; + buf[2] = *ncp; + ncp = &"JanFebMarAprMayJunJulAugSepOctNovDec"[t->tm_mon*3]; + buf[4] = *ncp++; + buf[5] = *ncp++; + buf[6] = *ncp; + ct_numb(buf+8, t->tm_mday); + ct_numb(buf+11, t->tm_hour+100); + ct_numb(buf+14, t->tm_min+100); + ct_numb(buf+17, t->tm_sec+100); + if(t->tm_year >= 100) { + buf[20] = '2'; + buf[21] = '0'; + } + ct_numb(buf+22, t->tm_year+100); + return buf; +} + +char* +asctime(const struct tm *t) +{ + static char cbuf[30]; + + return asctime_r(t, cbuf); +} + +static +dysize(int y) +{ + if((y%4) == 0) + return 366; + return 365; +} + +static +void +ct_numb(char *cp, int n) +{ + cp[0] = ' '; + if(n >= 10) + cp[0] = (n/10)%10 + '0'; + cp[1] = n%10 + '0'; +} + +static +void +readtimezone(void) +{ + char buf[TZSIZE*11+30], *p; + int i; + + memset(buf, 0, sizeof(buf)); + i = open("/env/timezone", 0); + if(i < 0) + goto error; + if(read(i, buf, sizeof(buf)) >= sizeof(buf)) + goto error; + close(i); + p = buf; + if(rd_name(&p, timezone.stname)) + goto error; + if(rd_long(&p, &timezone.stdiff)) + goto error; + if(rd_name(&p, timezone.dlname)) + goto error; + if(rd_long(&p, &timezone.dldiff)) + goto error; + for(i=0; i<TZSIZE; i++) { + if(rd_long(&p, &timezone.dlpairs[i])) + goto error; + if(timezone.dlpairs[i] == 0) + return; + } + +error: + timezone.stdiff = 0; + strcpy(timezone.stname, "GMT"); + timezone.dlpairs[0] = 0; +} + +static +rd_name(char **f, char *p) +{ + int c, i; + + for(;;) { + c = *(*f)++; + if(c != ' ' && c != '\n') + break; + } + for(i=0; i<3; i++) { + if(c == ' ' || c == '\n') + return 1; + *p++ = c; + c = *(*f)++; + } + if(c != ' ' && c != '\n') + return 1; + *p = 0; + return 0; +} + +static +rd_long(char **f, long *p) +{ + int c, s; + long l; + + s = 0; + for(;;) { + c = *(*f)++; + if(c == '-') { + s++; + continue; + } + if(c != ' ' && c != '\n') + break; + } + if(c == 0) { + *p = 0; + return 0; + } + l = 0; + for(;;) { + if(c == ' ' || c == '\n') + break; + if(c < '0' || c > '9') + return 1; + l = l*10 + c-'0'; + c = *(*f)++; + } + if(s) + l = -l; + *p = l; + return 0; +} diff --git a/sys/src/ape/lib/ap/plan9/cuserid.c b/sys/src/ape/lib/ap/plan9/cuserid.c new file mode 100755 index 000000000..bf78bb3d2 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/cuserid.c @@ -0,0 +1,21 @@ +#include <unistd.h> +#include <stdio.h> +#include <string.h> + +/* + * BUG: supposed to be for effective uid, + * but plan9 doesn't have that concept + */ +char * +cuserid(char *s) +{ + char *logname; + static char buf[L_cuserid]; + + if((logname = getlogin()) == NULL) + return(NULL); + if(s == 0) + s = buf; + strncpy(s, logname, sizeof buf); + return(s); +} diff --git a/sys/src/ape/lib/ap/plan9/dir.h b/sys/src/ape/lib/ap/plan9/dir.h new file mode 100755 index 000000000..2af4f3e96 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/dir.h @@ -0,0 +1,80 @@ +typedef long long vlong; +typedef unsigned long long uvlong; +typedef unsigned char uchar; +typedef unsigned short ushort; +typedef unsigned int uint; +typedef unsigned long ulong; + +#define GBIT8(p) ((p)[0]) +#define GBIT16(p) ((p)[0]|((p)[1]<<8)) +#define GBIT32(p) ((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24)) +#define GBIT64(p) ((vlong)((p)[0]|((p)[1]<<8)|((p)[2]<<16)|((p)[3]<<24)) |\ + ((vlong)((p)[4]|((p)[5]<<8)|((p)[6]<<16)|((p)[7]<<24)) << 32)) + +#define PBIT8(p,v) (p)[0]=(v) +#define PBIT16(p,v) (p)[0]=(v);(p)[1]=(v)>>8 +#define PBIT32(p,v) (p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24 +#define PBIT64(p,v) (p)[0]=(v);(p)[1]=(v)>>8;(p)[2]=(v)>>16;(p)[3]=(v)>>24;\ + (p)[4]=(v)>>32;(p)[5]=(v)>>40;(p)[6]=(v)>>48;(p)[7]=(v)>>56 + +#define BIT8SZ 1 +#define BIT16SZ 2 +#define BIT32SZ 4 +#define BIT64SZ 8 +#define QIDSZ (BIT8SZ+BIT32SZ+BIT64SZ) + +/* STATFIXLEN includes leading 16-bit count */ +/* The count, however, excludes itself; total size is BIT16SZ+count */ +#define STATFIXLEN (BIT16SZ+QIDSZ+5*BIT16SZ+4*BIT32SZ+1*BIT64SZ) /* amount of fixed length data in a stat buffer */ + +typedef union +{ + char clength[8]; + vlong vlength; + struct + { + long hlength; + long length; + }; +} Length; + +typedef +struct Qid +{ + uvlong path; + ulong vers; + uchar type; +} Qid; + +typedef +struct Dir { + /* system-modified data */ + ushort type; /* server type */ + uint dev; /* server subtype */ + /* file data */ + Qid qid; /* unique id from server */ + ulong mode; /* permissions */ + ulong atime; /* last read time */ + ulong mtime; /* last write time */ + vlong length; /* file length: see <u.h> */ + char *name; /* last element of path */ + char *uid; /* owner name */ + char *gid; /* group name */ + char *muid; /* last modifier name */ +} Dir; + +void _dirtostat(struct stat *, Dir*, Fdinfo*); +uint _convM2D(uchar*, uint, Dir*, char*); +uint _convD2M(Dir*, uchar*, uint); +Dir *_dirstat(char*); +int _dirwstat(char*, Dir*); +Dir *_dirfstat(int); +int _dirfwstat(int, Dir*); +long _dirread(int, Dir**); +long _dirreadall(int, Dir**); +void _nulldir(Dir*); +uint _sizeD2M(Dir*); + +#ifndef nil +#define nil ((void*)0) +#endif diff --git a/sys/src/ape/lib/ap/plan9/dirread.c b/sys/src/ape/lib/ap/plan9/dirread.c new file mode 100755 index 000000000..e03d32d77 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/dirread.c @@ -0,0 +1,119 @@ +#include "lib.h" +#include <string.h> +#include <stdlib.h> +#include "sys9.h" +#include "dir.h" + +static int +statcheck(uchar *buf, uint nbuf) +{ + uchar *ebuf; + int i; + + ebuf = buf + nbuf; + + buf += STATFIXLEN - 4 * BIT16SZ; + + for(i = 0; i < 4; i++){ + if(buf + BIT16SZ > ebuf) + return -1; + buf += BIT16SZ + GBIT16(buf); + } + + if(buf != ebuf) + return -1; + + return 0; +} + +static +long +dirpackage(uchar *buf, long ts, Dir **d) +{ + char *s; + long ss, i, n, nn, m; + + if(ts == 0){ + *d = nil; + return 0; + } + + /* + * first find number of all stats, check they look like stats, & size all associated strings + */ + ss = 0; + n = 0; + for(i = 0; i < ts; i += m){ + m = BIT16SZ + GBIT16(&buf[i]); + if(statcheck(&buf[i], m) < 0) + break; + ss += m; + n++; + } + + if(i != ts) + return -1; + + *d = malloc(n * sizeof(Dir) + ss); + if(*d == nil) + return -1; + + /* + * then convert all buffers + */ + s = (char*)*d + n * sizeof(Dir); + nn = 0; + for(i = 0; i < ts; i += m){ + m = BIT16SZ + GBIT16((uchar*)&buf[i]); + if(nn >= n || _convM2D(&buf[i], m, *d + nn, s) != m){ + free(*d); + return -1; + } + nn++; + s += m; + } + + return nn; +} + +long +_dirread(int fd, Dir **d) +{ + uchar *buf; + long ts; + + buf = malloc(DIRMAX); + if(buf == nil) + return -1; + ts = _READ(fd, buf, DIRMAX); + if(ts >= 0) + ts = dirpackage(buf, ts, d); + free(buf); + return ts; +} + +long +_dirreadall(int fd, Dir **d) +{ + uchar *buf, *nbuf; + long n, ts; + + buf = nil; + ts = 0; + for(;;){ + nbuf = realloc(buf, ts+DIRMAX); + if(nbuf == nil){ + free(buf); + return -1; + } + buf = nbuf; + n = _READ(fd, buf+ts, DIRMAX); + if(n <= 0) + break; + ts += n; + } + if(ts >= 0) + ts = dirpackage(buf, ts, d); + free(buf); + return ts; +} diff --git a/sys/src/ape/lib/ap/plan9/dirstat.c b/sys/src/ape/lib/ap/plan9/dirstat.c new file mode 100755 index 000000000..f054b4f6e --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/dirstat.c @@ -0,0 +1,107 @@ +#include "lib.h" +#include <string.h> +#include <stdlib.h> +#include "sys9.h" +#include "dir.h" + +enum +{ + DIRSIZE = STATFIXLEN + 16 * 4 /* enough for encoded stat buf + some reasonable strings */ +}; + +Dir* +_dirstat(char *name) +{ + Dir *d; + uchar *buf; + int n, nd, i; + + nd = DIRSIZE; + for(i=0; i<2; i++){ /* should work by the second try */ + d = malloc(sizeof(Dir) + BIT16SZ +nd); + if(d == nil) + return nil; + buf = (uchar*)&d[1]; + n = _STAT(name, buf, BIT16SZ+nd); + if(n < BIT16SZ){ + free(d); + return nil; + } + nd = GBIT16((uchar*)buf); /* size needed to store whole stat buffer */ + if(nd <= n){ + _convM2D(buf, n, d, (char*)&d[1]); + return d; + } + /* else sizeof(Dir)+BIT16SZ+nd is plenty */ + free(d); + } + return nil; +} + +int +_dirwstat(char *name, Dir *d) +{ + uchar *buf; + int r; + + r = _sizeD2M(d); + buf = malloc(r); + if(buf == nil) + return -1; + _convD2M(d, buf, r); + r = _WSTAT(name, buf, r); + free(buf); + return r; +} + +Dir* +_dirfstat(int fd) +{ + Dir *d; + uchar *buf; + int n, nd, i; + + nd = DIRSIZE; + for(i=0; i<2; i++){ /* should work by the second try */ + d = malloc(sizeof(Dir) + nd); + if(d == nil) + return nil; + buf = (uchar*)&d[1]; + n = _FSTAT(fd, buf, nd); + if(n < BIT16SZ){ + free(d); + return nil; + } + nd = GBIT16(buf); /* size needed to store whole stat buffer */ + if(nd <= n){ + _convM2D(buf, n, d, (char*)&d[1]); + return d; + } + /* else sizeof(Dir)+nd is plenty */ + free(d); + } + return nil; +} + +int +_dirfwstat(int fd, Dir *d) +{ + uchar *buf; + int r; + + r = _sizeD2M(d); + buf = malloc(r); + if(buf == nil) + return -1; + _convD2M(d, buf, r); + r = _FWSTAT(fd, buf, r); + free(buf); + return r; +} + +void +_nulldir(Dir *d) +{ + memset(d, ~0, sizeof(Dir)); + d->name = d->uid = d->gid = d->muid = ""; +} diff --git a/sys/src/ape/lib/ap/plan9/dirtostat.c b/sys/src/ape/lib/ap/plan9/dirtostat.c new file mode 100755 index 000000000..6abc6dfa7 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/dirtostat.c @@ -0,0 +1,52 @@ +#include "lib.h" +#include <sys/stat.h> +#include <errno.h> +#include "sys9.h" +#include "dir.h" + +/* fi is non-null if there is an fd associated with s */ +void +_dirtostat(struct stat *s, Dir *d, Fdinfo *fi) +{ + int num; + char *nam; + + s->st_dev = (d->type<<8)|(d->dev&0xFF); + s->st_ino = d->qid.path; + s->st_mode = d->mode&0777; + if(fi && (fi->flags&FD_ISTTY)) + s->st_mode |= S_IFCHR; + else if(d->mode & 0x80000000) + s->st_mode |= S_IFDIR; + else if(d->type == '|' || d->type == 's') + s->st_mode |= S_IFIFO; + else if(d->type != 'M') + s->st_mode |= S_IFCHR; + else + s->st_mode |= S_IFREG; + s->st_nlink = 1; + s->st_uid = 1; + s->st_gid = 1; + if(fi && (fi->flags&FD_BUFFERED)) + s->st_size = fi->buf->n; + else + s->st_size = d->length; + s->st_atime = d->atime; + s->st_mtime = d->mtime; + s->st_ctime = d->mtime; + if(fi && fi->uid != -2){ + s->st_uid = fi->uid; + s->st_gid = fi->gid; + } else { + nam = d->uid; + if(_getpw(&num, &nam, 0)) + s->st_uid = num; + nam = d->gid; + if(_getpw(&num, &nam, 0)) + s->st_gid = num; + if(fi){ + fi->uid = s->st_uid; + fi->gid = s->st_gid; + } + } +} diff --git a/sys/src/ape/lib/ap/plan9/dup.c b/sys/src/ape/lib/ap/plan9/dup.c new file mode 100755 index 000000000..37883be52 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/dup.c @@ -0,0 +1,24 @@ +#include "lib.h" +#include <unistd.h> +#include <errno.h> + +int +dup(int oldd) +{ + return fcntl(oldd, F_DUPFD, 0); +} + +int +dup2(int oldd, int newd) +{ + int n; + + if(newd < 0 || newd >= OPEN_MAX){ + errno = EBADF; + return -1; + } + if(oldd == newd && _fdinfo[newd].flags&FD_ISOPEN) + return newd; + close(newd); + return fcntl(oldd, F_DUPFD, newd); +} diff --git a/sys/src/ape/lib/ap/plan9/execl.c b/sys/src/ape/lib/ap/plan9/execl.c new file mode 100755 index 000000000..79ffa44c3 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/execl.c @@ -0,0 +1,9 @@ +#include <unistd.h> + +extern char **environ; + +int +execl(const char *name, const char *arg0, ...) +{ + return execve(name, &arg0, environ); +} diff --git a/sys/src/ape/lib/ap/plan9/execle.c b/sys/src/ape/lib/ap/plan9/execle.c new file mode 100755 index 000000000..f607c4914 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/execle.c @@ -0,0 +1,11 @@ +#include <unistd.h> + +int +execle(const char *name, const char *arg0, const char *aore, ...) +{ + char *p; + + for(p=(char *)(&name)+1; *p; ) + p++; + return execve(name, &arg0, (char **)p+1); +} diff --git a/sys/src/ape/lib/ap/plan9/execlp.c b/sys/src/ape/lib/ap/plan9/execlp.c new file mode 100755 index 000000000..ff5d71761 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/execlp.c @@ -0,0 +1,24 @@ +#include <unistd.h> +#include <string.h> +#include <sys/limits.h> + +/* + * BUG: instead of looking at PATH env variable, + * just try prepending /bin/ if name fails... + */ + +extern char **environ; + +int +execlp(const char *name, const char *arg0, ...) +{ + int n; + char buf[PATH_MAX]; + + if((n=execve(name, &arg0, environ)) < 0){ + strcpy(buf, "/bin/"); + strcpy(buf+5, name); + n = execve(buf, &name+1, environ); + } + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/execv.c b/sys/src/ape/lib/ap/plan9/execv.c new file mode 100755 index 000000000..409e96003 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/execv.c @@ -0,0 +1,9 @@ +#include <unistd.h> + +extern char **environ; + +int +execv(const char *name, const char *argv[]) +{ + return execve(name, argv, environ); +} diff --git a/sys/src/ape/lib/ap/plan9/execve.c b/sys/src/ape/lib/ap/plan9/execve.c new file mode 100755 index 000000000..1d5c3c2fe --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/execve.c @@ -0,0 +1,103 @@ +#include "lib.h" +#include <unistd.h> +#include <errno.h> +#include <string.h> +#include <signal.h> +#include "sys9.h" + +extern char **environ; + +int +execve(const char *name, const char *argv[], const char *envp[]) +{ + int n, f, i; + char **e, *ss, *se; + Fdinfo *fi; + unsigned long flags; + char nam[256+5]; + char buf[1000]; + + _RFORK(RFCENVG); + /* + * To pass _fdinfo[] across exec, put lines like + * fd flags oflags + * in $_fdinfo (for open fd's) + */ + + f = _CREATE("#e/_fdinfo", OWRITE, 0666); + ss = buf; + for(n = 0; n<OPEN_MAX; n++){ + fi = &_fdinfo[n]; + flags = fi->flags; + if(flags&FD_CLOEXEC){ + _CLOSE(n); + fi->flags = 0; + fi->oflags = 0; + }else if(flags&FD_ISOPEN){ + ss = _ultoa(ss, n); + *ss++ = ' '; + ss = _ultoa(ss, flags); + *ss++ = ' '; + ss = _ultoa(ss, fi->oflags); + *ss++ = '\n'; + if(ss-buf < sizeof(buf)-50){ + _WRITE(f, buf, ss-buf); + ss = buf; + } + } + } + if(ss > buf) + _WRITE(f, buf, ss-buf); + _CLOSE(f); + /* + * To pass _sighdlr[] across exec, set $_sighdlr + * to list of blank separated fd's that have + * SIG_IGN (the rest will be SIG_DFL). + * We write the variable, even if no signals + * are ignored, in case the current value of the + * variable ignored some. + */ + f = _CREATE("#e/_sighdlr", OWRITE, 0666); + if(f >= 0){ + ss = buf; + for(i = 0, n=0; i <=MAXSIG && ss < &buf[sizeof(buf)]-5; i++) { + if(_sighdlr[i] == SIG_IGN) { + ss = _ultoa(ss, i); + *ss++ = ' '; + } + } + _WRITE(f, buf, ss-buf); + _CLOSE(f); + } + if(envp){ + strcpy(nam, "#e/"); + for(e = envp; (ss = *e); e++) { + se = strchr(ss, '='); + if(!se || ss==se) + continue; /* what is name? value? */ + n = se-ss; + if(n >= sizeof(nam)-3) + n = sizeof(nam)-3-1; + memcpy(nam+3, ss, n); + nam[3+n] = 0; + f = _CREATE(nam, OWRITE, 0666); + if(f < 0) + continue; + se++; /* past = */ + n = strlen(se); + /* temporarily decode nulls (see _envsetup()) */ + for(i=0; i < n; i++) + if(se[i] == 1) + se[i] = 0; + _WRITE(f, se, n); + /* put nulls back */ + for(i=0; i < n; i++) + if(se[i] == 0) + se[i] = 1; + _CLOSE(f); + } + } + n = _EXEC(name, argv); + _syserrno(); + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/execvp.c b/sys/src/ape/lib/ap/plan9/execvp.c new file mode 100755 index 000000000..f2ed53d1d --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/execvp.c @@ -0,0 +1,24 @@ +#include <unistd.h> +#include <sys/limits.h> +#include <string.h> + +extern char **environ; + +/* + * BUG: instead of looking at PATH env variable, + * just try prepending /bin/ if name fails... + */ + +int +execvp(const char *name, const char **argv) +{ + int n; + char buf[PATH_MAX]; + + if((n=execve(name, argv, environ)) < 0){ + strcpy(buf, "/bin/"); + strcpy(buf+5, name); + n = execve(buf, argv, environ); + } + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/fcall.h b/sys/src/ape/lib/ap/plan9/fcall.h new file mode 100755 index 000000000..8090a19a4 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/fcall.h @@ -0,0 +1,118 @@ +typedef struct Fcall Fcall; + +/* see /sys/include/auth.h */ +enum +{ + DOMLEN= 48, /* length of an authentication domain name */ + DESKEYLEN= 7, /* length of a des key for encrypt/decrypt */ + CHALLEN= 8, /* length of a challenge */ + NETCHLEN= 16, /* max network challenge length */ + CONFIGLEN= 14, + + KEYDBLEN= NAMELEN+DESKEYLEN+4+2 +}; +#define TICKETLEN (CHALLEN+2*NAMELEN+DESKEYLEN+1) +#define AUTHENTLEN (CHALLEN+4+1) + +struct Fcall +{ + char type; + short fid; + unsigned short tag; + union + { + struct + { + unsigned short oldtag; /* T-Flush */ + Qid qid; /* R-Attach, R-Walk, R-Open, R-Create */ + char rauth[AUTHENTLEN]; /* Rattach */ + }; + struct + { + char uname[NAMELEN]; /* T-Attach */ + char aname[NAMELEN]; /* T-Attach */ + char ticket[TICKETLEN]; /* T-Attach */ + char auth[AUTHENTLEN];/* T-Attach */ + }; + struct + { + char ename[ERRLEN]; /* R-Error */ + char authid[NAMELEN]; /* R-session */ + char authdom[DOMLEN]; /* R-session */ + char chal[CHALLEN]; /* T-session/R-session */ + }; + struct + { + long perm; /* T-Create */ + short newfid; /* T-Clone, T-Clwalk */ + char name[NAMELEN]; /* T-Walk, T-Clwalk, T-Create */ + char mode; /* T-Create, T-Open */ + }; + struct + { + long offset; /* T-Read, T-Write */ + long count; /* T-Read, T-Write, R-Read */ + char *data; /* T-Write, R-Read */ + }; + struct + { + char stat[DIRLEN]; /* T-Wstat, R-Stat */ + }; + }; +}; + +#define MAXFDATA 8192 +#define MAXMSG 160 /* max header sans data */ +#define NOTAG 0xFFFF /* Dummy tag */ + +enum +{ + Tmux = 48, + Rmux, /* illegal */ + Tnop = 50, + Rnop, + Tosession = 52, /* illegal */ + Rosession, /* illegal */ + Terror = 54, /* illegal */ + Rerror, + Tflush = 56, + Rflush, + Toattach = 58, /* illegal */ + Roattach, /* illegal */ + Tclone = 60, + Rclone, + Twalk = 62, + Rwalk, + Topen = 64, + Ropen, + Tcreate = 66, + Rcreate, + Tread = 68, + Rread, + Twrite = 70, + Rwrite, + Tclunk = 72, + Rclunk, + Tremove = 74, + Rremove, + Tstat = 76, + Rstat, + Twstat = 78, + Rwstat, + Tclwalk = 80, + Rclwalk, + Tauth = 82, /* illegal */ + Rauth, /* illegal */ + Tsession = 84, + Rsession, + Tattach = 86, + Rattach, +}; + +int convM2S(char*, Fcall*, int); +int convS2M(Fcall*, char*); + +int convM2D(char*, Dir*); +int convD2M(Dir*, char*); + +char* getS(int, char*, Fcall*, long*); diff --git a/sys/src/ape/lib/ap/plan9/fcntl.c b/sys/src/ape/lib/ap/plan9/fcntl.c new file mode 100755 index 000000000..053e38ec3 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/fcntl.c @@ -0,0 +1,81 @@ +#include "lib.h" +#include <unistd.h> +#include <errno.h> +#include <stdarg.h> +#include "sys9.h" + +/* + * BUG: advisory locking not implemented + */ + +#define OFL (O_ACCMODE|O_NONBLOCK|O_APPEND) + +int +fcntl(int fd, int cmd, ...) +{ + int arg, i, ans, err; + Fdinfo *fi, *fans; + va_list va; + unsigned long oflags; + + err = 0; + ans = 0; + va_start(va, cmd); + arg = va_arg(va, int); + va_end(va); + fi = &_fdinfo[fd]; + if(fd<0 || fd>=OPEN_MAX || !(fi->flags&FD_ISOPEN)) + err = EBADF; + else switch(cmd){ + case F_DUPFD: + if(fi->flags&(FD_BUFFERED|FD_BUFFEREDX)){ + err = EGREG; /* dup of buffered fd not implemented */ + break; + } + oflags = fi->oflags; + for(i = (arg>0)? arg : 0; i<OPEN_MAX; i++) + if(!(_fdinfo[i].flags&FD_ISOPEN)) + break; + if(i == OPEN_MAX) + err = EMFILE; + else { + ans = _DUP(fd, i); + if(ans != i){ + if(ans < 0){ + _syserrno(); + err = errno; + }else + err = EBADF; + }else{ + fans = &_fdinfo[ans]; + fans->flags = fi->flags&~FD_CLOEXEC; + fans->oflags = oflags; + fans->uid = fi->uid; + fans->gid = fi->gid; + } + } + break; + case F_GETFD: + ans = fi->flags&FD_CLOEXEC; + break; + case F_SETFD: + fi->flags = (fi->flags&~FD_CLOEXEC)|(arg&FD_CLOEXEC); + break; + case F_GETFL: + ans = fi->oflags&OFL; + break; + case F_SETFL: + fi->oflags = (fi->oflags&~OFL)|(arg&OFL); + break; + case F_GETLK: + case F_SETLK: + case F_SETLKW: + err = EINVAL; + break; + } + if(err){ + errno = err; + ans = -1; + } + return ans; +} diff --git a/sys/src/ape/lib/ap/plan9/fork.c b/sys/src/ape/lib/ap/plan9/fork.c new file mode 100755 index 000000000..8137bc688 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/fork.c @@ -0,0 +1,19 @@ +#include "lib.h" +#include <errno.h> +#include <unistd.h> +#include "sys9.h" + +pid_t +fork(void) +{ + int n; + + n = _RFORK(RFENVG|RFFDG|RFPROC); + if(n < 0) + _syserrno(); + if(n == 0) { + _detachbuf(); + _sessleader = 0; + } + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/frexp.c b/sys/src/ape/lib/ap/plan9/frexp.c new file mode 100755 index 000000000..588f90cee --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/frexp.c @@ -0,0 +1,89 @@ +#include <math.h> +#include <errno.h> +#define _RESEARCH_SOURCE +#include <float.h> + +#define MASK 0x7ffL +#define SHIFT 20 +#define BIAS 1022L + +typedef union +{ + double d; + struct + { +#ifdef IEEE_8087 + long ls; + long ms; +#else + long ms; + long ls; +#endif + }; +} Cheat; + +double +frexp(double d, int *ep) +{ + Cheat x; + + if(d == 0) { + *ep = 0; + return 0; + } + x.d = d; + *ep = ((x.ms >> SHIFT) & MASK) - BIAS; + x.ms &= ~(MASK << SHIFT); + x.ms |= BIAS << SHIFT; + return x.d; +} + +double +ldexp(double d, int e) +{ + Cheat x; + + if(d == 0) + return 0; + x.d = d; + e += (x.ms >> SHIFT) & MASK; + if(e <= 0) + return 0; + if(e >= MASK){ + errno = ERANGE; + if(d < 0) + return -HUGE_VAL; + return HUGE_VAL; + } + x.ms &= ~(MASK << SHIFT); + x.ms |= (long)e << SHIFT; + return x.d; +} + +double +modf(double d, double *ip) +{ + double f; + Cheat x; + int e; + + if(d < 1) { + if(d < 0) { + f = modf(-d, ip); + *ip = -*ip; + return -f; + } + *ip = 0; + return d; + } + x.d = d; + e = ((x.ms >> SHIFT) & MASK) - BIAS; + if(e <= SHIFT+1) { + x.ms &= ~(0x1fffffL >> e); + x.ls = 0; + } else + if(e <= SHIFT+33) + x.ls &= ~(0x7fffffffL >> (e-SHIFT-2)); + *ip = x.d; + return d - x.d; +} diff --git a/sys/src/ape/lib/ap/plan9/fstat.c b/sys/src/ape/lib/ap/plan9/fstat.c new file mode 100755 index 000000000..62e6c653a --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/fstat.c @@ -0,0 +1,20 @@ +#include "lib.h" +#include <sys/stat.h> +#include <errno.h> +#include <stdlib.h> +#include "sys9.h" +#include "dir.h" + +int +fstat(int fd, struct stat *buf) +{ + Dir *d; + + if((d = _dirfstat(fd)) == nil){ + _syserrno(); + return -1; + } + _dirtostat(buf, d, &_fdinfo[fd]); + free(d); + return 0; +} diff --git a/sys/src/ape/lib/ap/plan9/fsync.c b/sys/src/ape/lib/ap/plan9/fsync.c new file mode 100755 index 000000000..f37d35c04 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/fsync.c @@ -0,0 +1,10 @@ +#include <sys/types.h> +#include <unistd.h> +#include <errno.h> + +int +fsync(int fd) +{ + errno = EINVAL; + return -1; +} diff --git a/sys/src/ape/lib/ap/plan9/ftruncate.c b/sys/src/ape/lib/ap/plan9/ftruncate.c new file mode 100755 index 000000000..aa867488c --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/ftruncate.c @@ -0,0 +1,23 @@ +#include "lib.h" +#include <sys/types.h> +#include <unistd.h> +#include <errno.h> +#include "dir.h" + +int +ftruncate(int fd, off_t length) +{ + Dir d; + + if(length < 0){ + errno = EINVAL; + return -1; + } + _nulldir(&d); + d.length = length; + if(_dirfwstat(fd, &d) < 0){ + _syserrno(); + return -1; + } + return 0; +} diff --git a/sys/src/ape/lib/ap/plan9/getcwd.c b/sys/src/ape/lib/ap/plan9/getcwd.c new file mode 100755 index 000000000..db6936b56 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/getcwd.c @@ -0,0 +1,32 @@ +#include "lib.h" +#include <stddef.h> +#include <stdlib.h> +#include <unistd.h> +#include <errno.h> +#include <string.h> +#include <stdio.h> +#include "sys9.h" +#include "dir.h" + +char* +getcwd(char *buf, size_t len) +{ + int fd; + + fd = _OPEN(".", OREAD); + if(fd < 0) { + errno = EACCES; + return 0; + } + if(_FD2PATH(fd, buf, len) < 0) { + errno = EIO; + _CLOSE(fd); + return 0; + } + _CLOSE(fd); + +/* RSC: is this necessary? */ + if(buf[0] == '\0') + strcpy(buf, "/"); + return buf; +} diff --git a/sys/src/ape/lib/ap/plan9/getgid.c b/sys/src/ape/lib/ap/plan9/getgid.c new file mode 100755 index 000000000..e1f5fc39b --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/getgid.c @@ -0,0 +1,21 @@ +#include <sys/types.h> +#include <grp.h> +#include <unistd.h> + +/* + * BUG: assumes group that is same as user name + * is the one wanted (plan 9 has no "current group") + */ +gid_t +getgid(void) +{ + struct group *g; + g = getgrnam(getlogin()); + return g? g->gr_gid : 1; +} + +gid_t +getegid(void) +{ + return getgid(); +} diff --git a/sys/src/ape/lib/ap/plan9/getgrgid.c b/sys/src/ape/lib/ap/plan9/getgrgid.c new file mode 100755 index 000000000..77e2997fa --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/getgrgid.c @@ -0,0 +1,25 @@ +#include <stddef.h> +#include <grp.h> + +extern int _getpw(int *, char **, char **); +extern char **_grpmems(char *); + +static struct group holdgroup; + +struct group * +getgrgid(gid_t gid) +{ + int num; + char *nam, *mem; + + num = gid; + nam = 0; + mem = 0; + if(_getpw(&num, &nam, &mem)){ + holdgroup.gr_name = nam; + holdgroup.gr_gid = num; + holdgroup.gr_mem = _grpmems(mem); + return &holdgroup; + } + return NULL; +} diff --git a/sys/src/ape/lib/ap/plan9/getgrnam.c b/sys/src/ape/lib/ap/plan9/getgrnam.c new file mode 100755 index 000000000..7033120e4 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/getgrnam.c @@ -0,0 +1,25 @@ +#include <stddef.h> +#include <grp.h> + +extern int _getpw(int *, char **, char **); +extern char **_grpmems(char *); + +static struct group holdgroup; + +struct group * +getgrnam(const char *name) +{ + int num; + char *nam, *mem; + + num = 0; + nam = name; + mem = 0; + if(_getpw(&num, &nam, &mem)){ + holdgroup.gr_name = nam; + holdgroup.gr_gid = num; + holdgroup.gr_mem = _grpmems(mem); + return &holdgroup; + } + return NULL; +} diff --git a/sys/src/ape/lib/ap/plan9/getgroups.c b/sys/src/ape/lib/ap/plan9/getgroups.c new file mode 100755 index 000000000..e226a65b4 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/getgroups.c @@ -0,0 +1,10 @@ +#include <sys/types.h> +#include <unistd.h> +#include <errno.h> + +int +getgroups(int gidsize, gid_t grouplist[]) +{ + errno = EINVAL; + return -1; +} diff --git a/sys/src/ape/lib/ap/plan9/getlogin.c b/sys/src/ape/lib/ap/plan9/getlogin.c new file mode 100755 index 000000000..8d2d51ce0 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/getlogin.c @@ -0,0 +1,27 @@ +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> +#include <sys/limits.h> + +char * +getlogin_r(char *buf, int len) +{ + int f, n; + + f = open("/dev/user", O_RDONLY); + if(f < 0) + return 0; + n = read(f, buf, len); + buf[len-1] = 0; + close(f); + return (n>=0)? buf : 0; +} + +char * +getlogin(void) +{ + static char buf[NAME_MAX+1]; + + return getlogin_r(buf, sizeof buf); +} diff --git a/sys/src/ape/lib/ap/plan9/getpgrp.c b/sys/src/ape/lib/ap/plan9/getpgrp.c new file mode 100755 index 000000000..310028784 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/getpgrp.c @@ -0,0 +1,27 @@ +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <stdlib.h> +#include <unistd.h> +#include <errno.h> +#include <stdio.h> +#include "sys9.h" +#include "lib.h" + +pid_t +getpgrp(void) +{ + int n, f, pid; + char pgrpbuf[15], fname[30]; + + pid = getpid(); + sprintf(fname, "/proc/%d/noteid", pid); + f = open(fname, 0); + n = read(f, pgrpbuf, sizeof pgrpbuf); + if(n < 0) + _syserrno(); + else + n = atoi(pgrpbuf); + close(f); + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/getpid.c b/sys/src/ape/lib/ap/plan9/getpid.c new file mode 100755 index 000000000..66eaaae8d --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/getpid.c @@ -0,0 +1,22 @@ +#include "lib.h" +#include <sys/stat.h> +#include <stdlib.h> +#include <unistd.h> +#include <errno.h> +#include "sys9.h" + +pid_t +getpid(void) +{ + int n, f; + char pidbuf[15]; + + f = _OPEN("#c/pid", 0); + n = _READ(f, pidbuf, sizeof pidbuf); + if(n < 0) + _syserrno(); + else + n = atoi(pidbuf); + _CLOSE(f); + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/getppid.c b/sys/src/ape/lib/ap/plan9/getppid.c new file mode 100755 index 000000000..01759221b --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/getppid.c @@ -0,0 +1,23 @@ +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <stdlib.h> +#include <unistd.h> +#include <errno.h> +#include "sys9.h" + +pid_t +getppid(void) +{ + int n, f; + char ppidbuf[15]; + + f = open("#c/ppid", 0); + n = read(f, ppidbuf, sizeof ppidbuf); + if(n < 0) + errno = EINVAL; + else + n = atoi(ppidbuf); + close(f); + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/getpwnam.c b/sys/src/ape/lib/ap/plan9/getpwnam.c new file mode 100755 index 000000000..e9d1c5b4e --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/getpwnam.c @@ -0,0 +1,29 @@ +#include "lib.h" +#include <stddef.h> +#include <pwd.h> +#include <string.h> + +static struct passwd holdpw; +static char dirbuf[40] = "/usr/"; +static char *rc = "/bin/rc"; + +struct passwd * +getpwnam(const char *name) +{ + int num; + char *nam, *mem; + + num = 0; + nam = name; + mem = 0; + if(_getpw(&num, &nam, &mem)){ + holdpw.pw_name = nam; + holdpw.pw_uid = num; + holdpw.pw_gid = num; + strncpy(dirbuf+5, nam, sizeof(dirbuf)-6); + holdpw.pw_dir = dirbuf; + holdpw.pw_shell = rc; + return &holdpw; + } + return NULL; +} diff --git a/sys/src/ape/lib/ap/plan9/getpwuid.c b/sys/src/ape/lib/ap/plan9/getpwuid.c new file mode 100755 index 000000000..e2983765b --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/getpwuid.c @@ -0,0 +1,30 @@ +#include <stddef.h> +#include <pwd.h> +#include <string.h> + +extern int _getpw(int *, char **, char **); + +static struct passwd holdpw; +static char dirbuf[40] = "/usr/"; +static char *rc = "/bin/rc"; + +struct passwd * +getpwuid(uid_t uid) +{ + int num; + char *nam, *mem; + + num = uid; + nam = 0; + mem = 0; + if(_getpw(&num, &nam, &mem)){ + holdpw.pw_name = nam; + holdpw.pw_uid = num; + holdpw.pw_gid = num; + strncpy(dirbuf+5, nam, sizeof(dirbuf)-6); + holdpw.pw_dir = dirbuf; + holdpw.pw_shell = rc; + return &holdpw; + } + return NULL; +} diff --git a/sys/src/ape/lib/ap/plan9/getuid.c b/sys/src/ape/lib/ap/plan9/getuid.c new file mode 100755 index 000000000..05d4c0832 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/getuid.c @@ -0,0 +1,17 @@ +#include <sys/types.h> +#include <pwd.h> +#include <unistd.h> + +uid_t +getuid(void) +{ + struct passwd *p; + p = getpwnam(getlogin()); + return p? p->pw_uid : 1; +} + +uid_t +geteuid(void) +{ + return getuid(); +} diff --git a/sys/src/ape/lib/ap/plan9/isatty.c b/sys/src/ape/lib/ap/plan9/isatty.c new file mode 100755 index 000000000..e04cd891d --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/isatty.c @@ -0,0 +1,29 @@ +#include "lib.h" +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include "sys9.h" +#include "dir.h" + +int +_isatty(int fd) +{ + int t; + char buf[64]; + + if(_FD2PATH(fd, buf, sizeof buf) < 0) + return 0; + + /* might be /mnt/term/dev/cons */ + return strlen(buf) >= 9 && strcmp(buf+strlen(buf)-9, "/dev/cons") == 0; +} + +/* The FD_ISTTY flag is set via _isatty in _fdsetup or open */ +int +isatty(fd) +{ + if(_fdinfo[fd].flags&FD_ISTTY) + return 1; + else + return 0; +} diff --git a/sys/src/ape/lib/ap/plan9/kill.c b/sys/src/ape/lib/ap/plan9/kill.c new file mode 100755 index 000000000..95bbbdcc7 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/kill.c @@ -0,0 +1,60 @@ +#include "lib.h" +#include <fcntl.h> +#include <unistd.h> +#include <signal.h> +#include <string.h> +#include <stdio.h> +#include <errno.h> + +static int +note(int pid, char *msg, char *fmt) +{ + int f; + char pname[50]; + + sprintf(pname, fmt, pid); + f = open(pname, O_WRONLY); + if(f < 0){ + errno = ESRCH; + return -1; + } + if(msg != 0 && write(f, msg, strlen(msg)) < 0){ + close(f); + errno = EPERM; + return -1; + } + close(f); + return 0; +} + +int +kill(pid_t pid, int sig) +{ + char *msg; + int sid, r, mpid; + + if(sig == 0) + msg = 0; + else { + msg = _sigstring(sig); + if(msg == 0) { + errno = EINVAL; + return -1; + } + } + + if(pid < 0) { + sid = getpgrp(); + mpid = getpid(); + if(setpgid(mpid, -pid) == 0) { + r = note(mpid, msg, "/proc/%d/notepg"); + setpgid(mpid, sid); + } else { + r = -1; + } + } else if(pid == 0) + r = note(getpid(), msg, "/proc/%d/notepg"); + else + r = note(pid, msg, "/proc/%d/note"); + return r; +} diff --git a/sys/src/ape/lib/ap/plan9/lib.h b/sys/src/ape/lib/ap/plan9/lib.h new file mode 100755 index 000000000..91a51d5d3 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/lib.h @@ -0,0 +1,72 @@ +#include <sys/types.h> +#include <sys/limits.h> +#include <fcntl.h> +#include <ureg.h> + +typedef struct Ureg Ureg; + +/* mux buf for selecting (see _buf.c) */ +enum { + READMAX = 8192, /* read at most this much with _READ */ + PERFDMAX = 2*READMAX, /* stop _READing an fd when it has this much */ + INITBUFS = 4, /* allow enough room for this many PERFDMAX */ +}; + +typedef struct Muxbuf { + int n; /* # unprocessed chars in buf */ + unsigned char* putnext; /* place for copy process to put next data */ + unsigned char* getnext; /* place for parent process to get next data */ + char fd; /* fd for which this is a buffer */ + unsigned char eof; /* true if eof after current data exhausted */ + unsigned char roomwait; /* true if copy process is waiting for room */ + unsigned char datawait; /* true if parent process is waiting for data */ + int copypid; /* pid of copyproc */ + unsigned char data[PERFDMAX]; +} Muxbuf; + +/* be sure to change _fdinfo[] init in _fdinfo if you change this */ +typedef struct Fdinfo{ + unsigned long flags; + unsigned long oflags; + uid_t uid; + gid_t gid; + char *name; + /* + * the following is used if flags&FD_BUFFERED + */ + Muxbuf *buf; /* holds buffered data and state */ +} Fdinfo; + +/* #define FD_CLOEXEC 1 is in fcntl.h */ + +#define FD_ISOPEN 0x2 +#define FD_BUFFERED 0x4 +#define FD_BUFFEREDX 0x8 +#define FD_ISTTY 0x20 + +#define MAXSIG SIGUSR2 + +extern Fdinfo _fdinfo[]; + +extern int _finishing; +extern int _sessleader; +extern void (*_sighdlr[])(int, char*, Ureg*); +extern char *_sigstring(int); +extern int _stringsig(char *); +extern long _psigblocked; +extern int _startbuf(int); +extern int _selbuf(int); +extern void _closebuf(int); +extern int _readbuf(int, void*, int, int); +extern void _detachbuf(void); +extern void _finish(int, char *); +extern char *_ultoa(char *, unsigned long); +extern int _notehandler(void *, char *); +extern void _notetramp(int, void (*)(int, char*, Ureg*), Ureg*); +extern void _syserrno(void); +extern int _getpw(int *, char **, char **); +extern int _isatty(int); +extern void _fdinit(char*, char*); + + +void checkbug(char *, int); diff --git a/sys/src/ape/lib/ap/plan9/link.c b/sys/src/ape/lib/ap/plan9/link.c new file mode 100755 index 000000000..9bf3755fb --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/link.c @@ -0,0 +1,12 @@ +#include <unistd.h> +#include <errno.h> + +/* + * BUG: LINK_MAX==1 isn't really allowed + */ +int +link(const char *name1, const char *name2) +{ + errno = EMLINK; + return -1; +} diff --git a/sys/src/ape/lib/ap/plan9/lseek.c b/sys/src/ape/lib/ap/plan9/lseek.c new file mode 100755 index 000000000..8c4eba39d --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/lseek.c @@ -0,0 +1,24 @@ +#include "lib.h" +#include <unistd.h> +#include <errno.h> +#include "sys9.h" + +/* + * BUG: errno mapping + */ +off_t +lseek(int d, off_t offset, int whence) +{ + long long n; + int flags; + + flags = _fdinfo[d].flags; + if(flags&(FD_BUFFERED|FD_BUFFEREDX|FD_ISTTY)) { + errno = ESPIPE; + return -1; + } + n = _SEEK(d, offset, whence); + if(n < 0) + _syserrno(); + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/malloc.c b/sys/src/ape/lib/ap/plan9/malloc.c new file mode 100755 index 000000000..09f3c178e --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/malloc.c @@ -0,0 +1,142 @@ +#include <stdlib.h> +#include <string.h> + +typedef unsigned int uint; + +enum +{ + MAGIC = 0xbada110c, + MAX2SIZE = 32, + CUTOFF = 12, +}; + +typedef struct Bucket Bucket; +struct Bucket +{ + int size; + int magic; + Bucket *next; + int pad; + char data[1]; +}; + +typedef struct Arena Arena; +struct Arena +{ + Bucket *btab[MAX2SIZE]; +}; +static Arena arena; + +#define datoff ((int)((Bucket*)0)->data) +#define nil ((void*)0) + +extern void *sbrk(unsigned long); + +void* +malloc(size_t size) +{ + uint next; + int pow, n; + Bucket *bp, *nbp; + + for(pow = 1; pow < MAX2SIZE; pow++) { + if(size <= (1<<pow)) + goto good; + } + + return nil; +good: + /* Allocate off this list */ + bp = arena.btab[pow]; + if(bp) { + arena.btab[pow] = bp->next; + + if(bp->magic != 0) + abort(); + + bp->magic = MAGIC; + return bp->data; + } + size = sizeof(Bucket)+(1<<pow); + size += 7; + size &= ~7; + + if(pow < CUTOFF) { + n = (CUTOFF-pow)+2; + bp = sbrk(size*n); + if((int)bp < 0) + return nil; + + next = (uint)bp+size; + nbp = (Bucket*)next; + arena.btab[pow] = nbp; + for(n -= 2; n; n--) { + next = (uint)nbp+size; + nbp->next = (Bucket*)next; + nbp->size = pow; + nbp = nbp->next; + } + nbp->size = pow; + } + else { + bp = sbrk(size); + if((int)bp < 0) + return nil; + } + + bp->size = pow; + bp->magic = MAGIC; + + return bp->data; +} + +void +free(void *ptr) +{ + Bucket *bp, **l; + + if(ptr == nil) + return; + + /* Find the start of the structure */ + bp = (Bucket*)((uint)ptr - datoff); + + if(bp->magic != MAGIC) + abort(); + + bp->magic = 0; + l = &arena.btab[bp->size]; + bp->next = *l; + *l = bp; +} + +void* +realloc(void *ptr, size_t n) +{ + void *new; + uint osize; + Bucket *bp; + + if(ptr == nil) + return malloc(n); + + /* Find the start of the structure */ + bp = (Bucket*)((uint)ptr - datoff); + + if(bp->magic != MAGIC) + abort(); + + /* enough space in this bucket */ + osize = 1<<bp->size; + if(osize >= n) + return ptr; + + new = malloc(n); + if(new == nil) + return nil; + + memmove(new, ptr, osize); + free(ptr); + + return new; +} diff --git a/sys/src/ape/lib/ap/plan9/mkdir.c b/sys/src/ape/lib/ap/plan9/mkdir.c new file mode 100755 index 000000000..1773150b5 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/mkdir.c @@ -0,0 +1,27 @@ +#include "lib.h" +#include <sys/stat.h> +#include <errno.h> +#include "sys9.h" + +/* + * BUG: errno mapping + */ +int +mkdir(const char *name, mode_t mode) +{ + int n; + struct stat st; + + if(stat(name, &st)==0) { + errno = EEXIST; + return -1; + } + n = _CREATE(name, 0, 0x80000000|(mode&0777)); + if(n < 0) + _syserrno(); + else{ + _CLOSE(n); + n = 0; + } + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/mkfile b/sys/src/ape/lib/ap/plan9/mkfile new file mode 100755 index 000000000..502d00f8b --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/mkfile @@ -0,0 +1,110 @@ +APE=/sys/src/ape +<$APE/config +LIB=/$objtype/lib/ape/libap.a +OFILES=\ + _buf.$O\ + _dirconv.$O\ + _envsetup.$O\ + _errno.$O\ + _exit.$O\ + _fdinfo.$O\ + _getpw.$O\ + _nap.$O\ + 9mallocz.$O\ + 9iounit.$O\ + 9read.$O\ + 9readn.$O\ + 9wait.$O\ + 9write.$O\ + access.$O\ + alarm.$O\ + brk.$O\ + cfgetospeed.$O\ + chdir.$O\ + chmod.$O\ + chown.$O\ + close.$O\ + convM2D.$O\ + convD2M.$O\ + creat.$O\ + ctermid.$O\ + ctime.$O\ + cuserid.$O\ + dirread.$O\ + dirstat.$O\ + dirtostat.$O\ + dup.$O\ + execl.$O\ + execle.$O\ + execlp.$O\ + execv.$O\ + execve.$O\ + execvp.$O\ + fcntl.$O\ + fork.$O\ + frexp.$O\ + fstat.$O\ + fsync.$O\ + ftruncate.$O\ + getcwd.$O\ + getgid.$O\ + getgrgid.$O\ + getgrnam.$O\ + getgroups.$O\ + getlogin.$O\ + getpgrp.$O\ + getpid.$O\ + getppid.$O\ + getpwnam.$O\ + getpwuid.$O\ + getuid.$O\ + isatty.$O\ + kill.$O\ + link.$O\ + lseek.$O\ + malloc.$O\ + mkdir.$O\ + nan.$O\ + open.$O\ + opendir.$O\ + pause.$O\ + pipe.$O\ + profile.$O\ + qlock.$O\ + read.$O\ + rename.$O\ + rmdir.$O\ + setgid.$O\ + setpgid.$O\ + setsid.$O\ + setuid.$O\ + signal.$O\ + sigpending.$O\ + sigprocmask.$O\ + sigsuspend.$O\ + sleep.$O\ + sqrt.$O\ + stat.$O\ + system.$O\ + tcgetattr.$O\ + time.$O\ + times.$O\ + tmpfile.$O\ + ttyname.$O\ + umask.$O\ + uname.$O\ + unlink.$O\ + utime.$O\ + wait.$O\ + write.$O\ + +UPDATE=\ + mkfile\ + /386/lib/ape/libap.a\ + ${OFILES:%.$O=%.c}\ + +</sys/src/cmd/mksyslib + +CFLAGS=-c -D_POSIX_SOURCE -D_PLAN9_SOURCE -D_BSD_EXTENSION + +$OFILES: lib.h diff --git a/sys/src/ape/lib/ap/plan9/nan.c b/sys/src/ape/lib/ap/plan9/nan.c new file mode 100755 index 000000000..db7c13fe8 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/nan.c @@ -0,0 +1,54 @@ +#include <float.h> +#include <math.h> + +#define NANEXP (2047<<20) +#define NANMASK (2047<<20) +#define NANSIGN (1<<31) + +double +NaN(void) +{ + FPdbleword a; + + a.hi = NANEXP; + a.lo = 1; + return a.x; +} + +int +isNaN(double d) +{ + FPdbleword a; + + a.x = d; + if((a.hi & NANMASK) != NANEXP) + return 0; + return !isInf(d, 0); +} + +double +Inf(int sign) +{ + FPdbleword a; + + a.hi = NANEXP; + a.lo = 0; + if(sign < 0) + a.hi |= NANSIGN; + return a.x; +} + +int +isInf(double d, int sign) +{ + FPdbleword a; + + a.x = d; + if(a.lo != 0) + return 0; + if(a.hi == NANEXP) + return sign >= 0; + if(a.hi == (NANEXP|NANSIGN)) + return sign <= 0; + return 0; +} diff --git a/sys/src/ape/lib/ap/plan9/open.c b/sys/src/ape/lib/ap/plan9/open.c new file mode 100755 index 000000000..1cfe0d6b5 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/open.c @@ -0,0 +1,62 @@ +#include <errno.h> +#include <stdarg.h> +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include "lib.h" +#include <sys/stat.h> +#include "sys9.h" + +/* + * O_NOCTTY has no effect + */ +int +open(const char *path, int flags, ...) +{ + int n; + long f; + int mode; + Fdinfo *fi; + va_list va; + struct stat sbuf; + + f = flags&O_ACCMODE; + if(flags&O_CREAT){ + if(access(path, 0) >= 0){ + if(flags&O_EXCL){ + errno = EEXIST; + return -1; + }else{ + if((flags&O_TRUNC)&&(flags&(O_RDWR|O_WRONLY))) + f |= 16; + n = _OPEN(path, f); + } + }else{ + va_start(va, flags); + mode = va_arg(va, int); + va_end(va); + n = _CREATE(path, f, mode&0777); + } + if(n < 0) + _syserrno(); + }else{ + if((flags&O_TRUNC)&&(flags&(O_RDWR|O_WRONLY))) + f |= 16; + n = _OPEN(path, f); + if(n < 0) + _syserrno(); + } + if(n >= 0){ + fi = &_fdinfo[n]; + fi->flags = FD_ISOPEN; + fi->oflags = flags&(O_ACCMODE|O_NONBLOCK|O_APPEND); + fi->uid = -2; + fi->gid = -2; + fi->name = malloc(strlen(path)+1); + if(fi->name) + strcpy(fi->name, path); + if(fi->oflags&O_APPEND) + _SEEK(n, 0, 2); + } + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/opendir.c b/sys/src/ape/lib/ap/plan9/opendir.c new file mode 100755 index 000000000..ebc22dbf6 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/opendir.c @@ -0,0 +1,121 @@ +#include "lib.h" +#include <stdlib.h> +#include <sys/stat.h> +#include <dirent.h> +#include <unistd.h> +#include <errno.h> +#include <string.h> +#include "sys9.h" +#include "dir.h" + +#define DBLOCKSIZE 20 + +DIR * +opendir(const char *filename) +{ + int f; + DIR *d; + struct stat sb; + Dir *d9; + + if((d9 = _dirstat(filename)) == nil){ + _syserrno(); + return NULL; + } + _dirtostat(&sb, d9, 0); + free(d9); + if(S_ISDIR(sb.st_mode) == 0) { + errno = ENOTDIR; + return NULL; + } + + f = open(filename, O_RDONLY); + if(f < 0){ + _syserrno(); + return NULL; + } + _fdinfo[f].flags |= FD_CLOEXEC; + d = (DIR *)malloc(sizeof(DIR) + DBLOCKSIZE*sizeof(struct dirent)); + if(!d){ + errno = ENOMEM; + return NULL; + } + d->dd_buf = (char *)d + sizeof(DIR); + d->dd_fd = f; + d->dd_loc = 0; + d->dd_size = 0; + d->dirs = nil; + d->dirsize = 0; + d->dirloc = 0; + return d; +} + +int +closedir(DIR *d) +{ + if(!d){ + errno = EBADF; + return -1; + } + if(close(d->dd_fd) < 0) + return -1; + free(d->dirs); + free(d); + return 0; +} + +void +rewinddir(DIR *d) +{ + if(!d) + return; + d->dd_loc = 0; + d->dd_size = 0; + d->dirsize = 0; + d->dirloc = 0; + free(d->dirs); + d->dirs = nil; + if(_SEEK(d->dd_fd, 0, 0) < 0){ + _syserrno(); + return; + } +} + +struct dirent * +readdir(DIR *d) +{ + int i, n; + struct dirent *dr; + Dir *dirs; + + if(!d){ + errno = EBADF; + return NULL; + } + if(d->dd_loc >= d->dd_size){ + if(d->dirloc >= d->dirsize){ + free(d->dirs); + d->dirs = NULL; + d->dirsize = _dirread(d->dd_fd, &d->dirs); + d->dirloc = 0; + } + if(d->dirsize < 0) { /* malloc or read failed in _dirread? */ + free(d->dirs); + d->dirs = NULL; + } + if(d->dirs == NULL) + return NULL; + + dr = (struct dirent *)d->dd_buf; + dirs = d->dirs; + for(i=0; i<DBLOCKSIZE && d->dirloc < d->dirsize; i++){ + strncpy(dr[i].d_name, dirs[d->dirloc++].name, MAXNAMLEN); + dr[i].d_name[MAXNAMLEN] = 0; + } + d->dd_loc = 0; + d->dd_size = i*sizeof(struct dirent); + } + dr = (struct dirent*)(d->dd_buf+d->dd_loc); + d->dd_loc += sizeof(struct dirent); + return dr; +} diff --git a/sys/src/ape/lib/ap/plan9/pause.c b/sys/src/ape/lib/ap/plan9/pause.c new file mode 100755 index 000000000..38fd96162 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/pause.c @@ -0,0 +1,11 @@ +#include "lib.h" +#include <unistd.h> +#include "sys9.h" + +int +pause(void) +{ + for(;;) + if(_SLEEP(1000*1000) < 0) + return; +} diff --git a/sys/src/ape/lib/ap/plan9/pipe.c b/sys/src/ape/lib/ap/plan9/pipe.c new file mode 100755 index 000000000..edc2372e8 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/pipe.c @@ -0,0 +1,31 @@ +#include <errno.h> +#include "lib.h" +#include "sys9.h" + +int +pipe(int fildes[2]) +{ + Fdinfo *fi; + int i; + + if(!fildes){ + errno = EFAULT; + return -1; + } + if(_PIPE(fildes) < 0) + _syserrno(); + else + if(fildes[0] < 0 || fildes[0]>=OPEN_MAX || + fildes[1] < 0 || fildes[1]>=OPEN_MAX) { + errno = EMFILE; + return -1; + } + for(i = 0; i <=1; i++) { + fi = &_fdinfo[fildes[i]]; + fi->flags = FD_ISOPEN; + fi->oflags = O_RDWR; + fi->uid = 0; /* none */ + fi->gid = 0; + } + return 0; +} diff --git a/sys/src/ape/lib/ap/plan9/profile.c b/sys/src/ape/lib/ap/plan9/profile.c new file mode 100755 index 000000000..a69e65f2b --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/profile.c @@ -0,0 +1,324 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> +#include <sys/types.h> +#include <fcntl.h> +#include "sys9.h" + +enum { + Profoff, /* No profiling */ + Profuser, /* Measure user time only (default) */ + Profkernel, /* Measure user + kernel time */ + Proftime, /* Measure total time */ + Profsample, /* Use clock interrupt to sample (default when there is no cycle counter) */ +}; /* what */ + +typedef long long vlong; +typedef unsigned long ulong; +typedef unsigned long long uvlong; + +#include "/sys/include/tos.h" + +extern void* sbrk(ulong); +extern long _callpc(void**); +extern long _savearg(void); +extern void _cycles(uvlong*); /* 64-bit value of the cycle counter if there is one, 0 if there isn't */ + +static ulong khz; +static ulong perr; +static int havecycles; + +typedef struct Plink Plink; +struct Plink +{ + Plink *old; + Plink *down; + Plink *link; + long pc; + long count; + vlong time; +}; + +#pragma profile off + +ulong +_profin(void) +{ + void *dummy; + long pc; + Plink *pp, *p; + ulong arg; + vlong t; + + arg = _savearg(); + pc = _callpc(&dummy); + pp = _tos->prof.pp; + if(pp == 0 || (_tos->prof.pid && _tos->pid != _tos->prof.pid)) + return arg; + + for(p=pp->down; p; p=p->link) + if(p->pc == pc) + goto out; + p = _tos->prof.next + 1; + if(p >= _tos->prof.last){ + _tos->prof.pp = 0; + perr++; + return arg; + } + _tos->prof.next = p; + p->link = pp->down; + pp->down = p; + p->pc = pc; + p->old = pp; + p->down = 0; + p->count = 0; + p->time = 0LL; + +out: + _tos->prof.pp = p; + p->count++; + switch(_tos->prof.what){ + case Profkernel: + p->time = p->time - _tos->pcycles; + goto proftime; + case Profuser: + /* Add kernel cycles on proc entry */ + p->time = p->time + _tos->kcycles; + /* fall through */ + case Proftime: + proftime: /* Subtract cycle counter on proc entry */ + _cycles((uvlong*)&t); + p->time = p->time - t; + break; + case Profsample: + p->time = p->time - _tos->clock; + break; + } + return arg; /* disgusting linkage */ +} + +ulong +_profout(void) +{ + Plink *p; + ulong arg; + vlong t; + + arg = _savearg(); + p = _tos->prof.pp; + if (p == NULL || (_tos->prof.pid != 0 && _tos->pid != _tos->prof.pid)) + return arg; /* Not our process */ + switch(_tos->prof.what){ + case Profkernel: /* Add proc cycles on proc entry */ + p->time = p->time + _tos->pcycles; + goto proftime; + case Profuser: /* Subtract kernel cycles on proc entry */ + p->time = p->time - _tos->kcycles; + /* fall through */ + case Proftime: + proftime: /* Add cycle counter on proc entry */ + _cycles((uvlong*)&t); + p->time = p->time + t; + break; + case Profsample: + p->time = p->time + _tos->clock; + break; + } + _tos->prof.pp = p->old; + return arg; +} + +/* stdio may not be ready for us yet */ +static void +err(char *fmt, ...) +{ + int fd; + va_list arg; + char buf[128]; + + if((fd = open("/dev/cons", OWRITE)) == -1) + return; + va_start(arg, fmt); + /* + * C99 now requires *snprintf to return the number of characters + * that *would* have been emitted, had there been room for them, + * or a negative value on an `encoding error'. Arrgh! + */ + vsnprintf(buf, sizeof buf, fmt, arg); + va_end(arg); + write(fd, buf, strlen(buf)); + close(fd); +} + +void +_profdump(void) +{ + int f; + long n; + Plink *p; + char *vp; + char filename[64]; + + if (_tos->prof.what == 0) + return; /* No profiling */ + if (_tos->prof.pid != 0 && _tos->pid != _tos->prof.pid) + return; /* Not our process */ + if(perr) + err("%lud Prof errors\n", perr); + _tos->prof.pp = NULL; + if (_tos->prof.pid) + snprintf(filename, sizeof filename - 1, "prof.%ld", _tos->prof.pid); + else + snprintf(filename, sizeof filename - 1, "prof.out"); + f = creat(filename, 0666); + if(f < 0) { + err("%s: cannot create - %s\n", filename, strerror(errno)); + return; + } + _tos->prof.pid = ~0; /* make sure data gets dumped once */ + switch(_tos->prof.what){ + case Profkernel: + _cycles((uvlong*)&_tos->prof.first->time); + _tos->prof.first->time = _tos->prof.first->time + _tos->pcycles; + break; + case Profuser: + _cycles((uvlong*)&_tos->prof.first->time); + _tos->prof.first->time = _tos->prof.first->time - _tos->kcycles; + break; + case Proftime: + _cycles((uvlong*)&_tos->prof.first->time); + break; + case Profsample: + _tos->prof.first->time = _tos->clock; + break; + } + vp = (char*)_tos->prof.first; + + for(p = _tos->prof.first; p <= _tos->prof.next; p++) { + + /* + * short down + */ + n = 0xffff; + if(p->down) + n = p->down - _tos->prof.first; + vp[0] = n>>8; + vp[1] = n; + + /* + * short right + */ + n = 0xffff; + if(p->link) + n = p->link - _tos->prof.first; + vp[2] = n>>8; + vp[3] = n; + vp += 4; + + /* + * long pc + */ + n = p->pc; + vp[0] = n>>24; + vp[1] = n>>16; + vp[2] = n>>8; + vp[3] = n; + vp += 4; + + /* + * long count + */ + n = p->count; + vp[0] = n>>24; + vp[1] = n>>16; + vp[2] = n>>8; + vp[3] = n; + vp += 4; + + /* + * vlong time + */ + if (havecycles){ + n = (vlong)(p->time / (vlong)khz); + }else + n = p->time; + + vp[0] = n>>24; + vp[1] = n>>16; + vp[2] = n>>8; + vp[3] = n; + vp += 4; + } + write(f, (char*)_tos->prof.first, vp - (char*)_tos->prof.first); + close(f); + +} + +void +_profinit(int entries, int what) +{ + if (_tos->prof.what == 0) + return; /* Profiling not linked in */ + _tos->prof.pp = NULL; + _tos->prof.first = calloc(entries*sizeof(Plink),1); + _tos->prof.last = _tos->prof.first + entries; + _tos->prof.next = _tos->prof.first; + _tos->prof.pid = _tos->pid; + _tos->prof.what = what; + _tos->clock = 1; +} + +void +_profmain(void) +{ + char ename[50]; + int n, f; + + n = 2000; + if (_tos->cyclefreq != 0LL){ + khz = _tos->cyclefreq / 1000; /* Report times in milliseconds */ + havecycles = 1; + } + f = open("/env/profsize", OREAD); + if(f >= 0) { + memset(ename, 0, sizeof(ename)); + read(f, ename, sizeof(ename)-1); + close(f); + n = atol(ename); + } + _tos->prof.what = Profuser; + f = open("/env/proftype", OREAD); + if(f >= 0) { + memset(ename, 0, sizeof(ename)); + read(f, ename, sizeof(ename)-1); + close(f); + if (strcmp(ename, "user") == 0) + _tos->prof.what = Profuser; + else if (strcmp(ename, "kernel") == 0) + _tos->prof.what = Profkernel; + else if (strcmp(ename, "elapsed") == 0 || strcmp(ename, "time") == 0) + _tos->prof.what = Proftime; + else if (strcmp(ename, "sample") == 0) + _tos->prof.what = Profsample; + } + _tos->prof.first = sbrk(n*sizeof(Plink)); + _tos->prof.last = sbrk(0); + _tos->prof.next = _tos->prof.first; + _tos->prof.pp = NULL; + _tos->prof.pid = _tos->pid; + atexit(_profdump); + _tos->clock = 1; +} + +void prof(void (*fn)(void*), void *arg, int entries, int what) +{ + _profinit(entries, what); + _tos->prof.pp = _tos->prof.next; + fn(arg); + _profdump(); +} + +#pragma profile on + diff --git a/sys/src/ape/lib/ap/plan9/qlock.c b/sys/src/ape/lib/ap/plan9/qlock.c new file mode 100755 index 000000000..b0882f789 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/qlock.c @@ -0,0 +1,365 @@ +#define _LOCK_EXTENSION +#define _QLOCK_EXTENSION +#define _RESEARCH_SOURCE +#include <u.h> +#include <lock.h> +#include <qlock.h> +#include <stdlib.h> +#include "sys9.h" + +#define rendezvous _RENDEZVOUS +#define _rendezvousp rendezvous +#define _tas tas +#define nelem(x) (sizeof(x)/sizeof((x)[0])) + +static struct { + QLp *p; + QLp x[1024]; +} ql = { + ql.x +}; + +enum +{ + Queuing, + QueuingR, + QueuingW, + Sleeping, +}; + +/* find a free shared memory location to queue ourselves in */ +static QLp* +getqlp(void) +{ + QLp *p, *op; + + op = ql.p; + for(p = op+1; ; p++){ + if(p == &ql.x[nelem(ql.x)]) + p = ql.x; + if(p == op) + abort(); + if(_tas(&(p->inuse)) == 0){ + ql.p = p; + p->next = nil; + break; + } + } + return p; +} + +void +qlock(QLock *q) +{ + QLp *p, *mp; + + lock(&q->lock); + if(!q->locked){ + q->locked = 1; + unlock(&q->lock); + return; + } + + + /* chain into waiting list */ + mp = getqlp(); + p = q->tail; + if(p == nil) + q->head = mp; + else + p->next = mp; + q->tail = mp; + mp->state = Queuing; + unlock(&q->lock); + + /* wait */ + while((*_rendezvousp)((ulong)mp, 1) == ~0) + ; + mp->inuse = 0; +} + +void +qunlock(QLock *q) +{ + QLp *p; + + lock(&q->lock); + p = q->head; + if(p != nil){ + /* wakeup head waiting process */ + q->head = p->next; + if(q->head == nil) + q->tail = nil; + unlock(&q->lock); + while((*_rendezvousp)((ulong)p, 0x12345) == ~0) + ; + return; + } + q->locked = 0; + unlock(&q->lock); +} + +int +canqlock(QLock *q) +{ + if(!canlock(&q->lock)) + return 0; + if(!q->locked){ + q->locked = 1; + unlock(&q->lock); + return 1; + } + unlock(&q->lock); + return 0; +} + +#if 0 + +void +rlock(RWLock *q) +{ + QLp *p, *mp; + + lock(&q->lock); + if(q->writer == 0 && q->head == nil){ + /* no writer, go for it */ + q->readers++; + unlock(&q->lock); + return; + } + + mp = getqlp(); + p = q->tail; + if(p == 0) + q->head = mp; + else + p->next = mp; + q->tail = mp; + mp->next = nil; + mp->state = QueuingR; + unlock(&q->lock); + + /* wait in kernel */ + while((*_rendezvousp)((ulong)mp, 1) == ~0) + ; + mp->inuse = 0; +} + +int +canrlock(RWLock *q) +{ + lock(&q->lock); + if (q->writer == 0 && q->head == nil) { + /* no writer; go for it */ + q->readers++; + unlock(&q->lock); + return 1; + } + unlock(&q->lock); + return 0; +} + +void +runlock(RWLock *q) +{ + QLp *p; + + lock(&q->lock); + if(q->readers <= 0) + abort(); + p = q->head; + if(--(q->readers) > 0 || p == nil){ + unlock(&q->lock); + return; + } + + /* start waiting writer */ + if(p->state != QueuingW) + abort(); + q->head = p->next; + if(q->head == 0) + q->tail = 0; + q->writer = 1; + unlock(&q->lock); + + /* wakeup waiter */ + while((*_rendezvousp)((ulong)p, 0) == ~0) + ; +} + +void +wlock(RWLock *q) +{ + QLp *p, *mp; + + lock(&q->lock); + if(q->readers == 0 && q->writer == 0){ + /* noone waiting, go for it */ + q->writer = 1; + unlock(&q->lock); + return; + } + + /* wait */ + p = q->tail; + mp = getqlp(); + if(p == nil) + q->head = mp; + else + p->next = mp; + q->tail = mp; + mp->next = nil; + mp->state = QueuingW; + unlock(&q->lock); + + /* wait in kernel */ + while((*_rendezvousp)((ulong)mp, 1) == ~0) + ; + mp->inuse = 0; +} + +int +canwlock(RWLock *q) +{ + lock(&q->lock); + if (q->readers == 0 && q->writer == 0) { + /* no one waiting; go for it */ + q->writer = 1; + unlock(&q->lock); + return 1; + } + unlock(&q->lock); + return 0; +} + +void +wunlock(RWLock *q) +{ + QLp *p; + + lock(&q->lock); + if(q->writer == 0) + abort(); + p = q->head; + if(p == nil){ + q->writer = 0; + unlock(&q->lock); + return; + } + if(p->state == QueuingW){ + /* start waiting writer */ + q->head = p->next; + if(q->head == nil) + q->tail = nil; + unlock(&q->lock); + while((*_rendezvousp)((ulong)p, 0) == ~0) + ; + return; + } + + if(p->state != QueuingR) + abort(); + + /* wake waiting readers */ + while(q->head != nil && q->head->state == QueuingR){ + p = q->head; + q->head = p->next; + q->readers++; + while((*_rendezvousp)((ulong)p, 0) == ~0) + ; + } + if(q->head == nil) + q->tail = nil; + q->writer = 0; + unlock(&q->lock); +} + +void +rsleep(Rendez *r) +{ + QLp *t, *me; + + if(!r->l) + abort(); + lock(&r->l->lock); + /* we should hold the qlock */ + if(!r->l->locked) + abort(); + + /* add ourselves to the wait list */ + me = getqlp(); + me->state = Sleeping; + if(r->head == nil) + r->head = me; + else + r->tail->next = me; + me->next = nil; + r->tail = me; + + /* pass the qlock to the next guy */ + t = r->l->head; + if(t){ + r->l->head = t->next; + if(r->l->head == nil) + r->l->tail = nil; + unlock(&r->l->lock); + while((*_rendezvousp)((ulong)t, 0x12345) == ~0) + ; + }else{ + r->l->locked = 0; + unlock(&r->l->lock); + } + + /* wait for a wakeup */ + while((*_rendezvousp)((ulong)me, 1) == ~0) + ; + me->inuse = 0; +} + +int +rwakeup(Rendez *r) +{ + QLp *t; + + /* + * take off wait and put on front of queue + * put on front so guys that have been waiting will not get starved + */ + + if(!r->l) + abort(); + lock(&r->l->lock); + if(!r->l->locked) + abort(); + + t = r->head; + if(t == nil){ + unlock(&r->l->lock); + return 0; + } + + r->head = t->next; + if(r->head == nil) + r->tail = nil; + + t->next = r->l->head; + r->l->head = t; + if(r->l->tail == nil) + r->l->tail = t; + + t->state = Queuing; + unlock(&r->l->lock); + return 1; +} + +int +rwakeupall(Rendez *r) +{ + int i; + + for(i=0; rwakeup(r); i++) + ; + return i; +} + +#endif diff --git a/sys/src/ape/lib/ap/plan9/read.c b/sys/src/ape/lib/ap/plan9/read.c new file mode 100755 index 000000000..471ab7e33 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/read.c @@ -0,0 +1,46 @@ +#include <errno.h> +#include <unistd.h> +#include <string.h> +#include "lib.h" +#include "sys9.h" + +#include <stdio.h> + +ssize_t +read(int d, void *buf, size_t nbytes) +{ + int n, noblock, isbuf; + Fdinfo *f; + + if(d<0 || d>=OPEN_MAX || !((f = &_fdinfo[d])->flags&FD_ISOPEN)){ + errno = EBADF; + return -1; + } + if(nbytes <= 0) + return 0; + if(buf == 0){ + errno = EFAULT; + return -1; + } + f = &_fdinfo[d]; + noblock = f->oflags&O_NONBLOCK; + isbuf = f->flags&(FD_BUFFERED|FD_BUFFEREDX); + if(noblock || isbuf){ + if(f->flags&FD_BUFFEREDX) { + errno = EIO; + return -1; + } + if(!isbuf) { + if(_startbuf(d) != 0) { + errno = EIO; + return -1; + } + } + n = _readbuf(d, buf, nbytes, noblock); + }else{ + n = _READ(d, buf, nbytes); + if(n < 0) + _syserrno(); + } + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/rename.c b/sys/src/ape/lib/ap/plan9/rename.c new file mode 100755 index 000000000..dddfea328 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/rename.c @@ -0,0 +1,76 @@ +#include "lib.h" +#include <unistd.h> +#include <string.h> +#include <stdio.h> +#include <errno.h> +#include <stdlib.h> +#include "sys9.h" +#include "dir.h" + +int +rename(const char *from, const char *to) +{ + int n, i; + char *f, *t; + Dir *d, nd; + long mode; + + if(access(to, 0) >= 0){ + if(_REMOVE(to) < 0){ + _syserrno(); + return -1; + } + } + if((d = _dirstat(to)) != nil){ + free(d); + errno = EEXIST; + return -1; + } + if((d = _dirstat(from)) == nil){ + _syserrno(); + return -1; + } + f = strrchr(from, '/'); + t = strrchr(to, '/'); + f = f? f+1 : from; + t = t? t+1 : to; + n = 0; + if(f-from==t-to && strncmp(from, to, f-from)==0){ + /* from and to are in same directory (we miss some cases) */ + i = strlen(t); + _nulldir(&nd); + nd.name = t; + if(_dirwstat(from, &nd) < 0){ + _syserrno(); + n = -1; + } + }else{ + /* different directories: have to copy */ + int ffd, tfd; + char buf[8192]; + + if((ffd = _OPEN(from, 0)) < 0 || + (tfd = _CREATE(to, 1, d->mode)) < 0){ + _CLOSE(ffd); + _syserrno(); + n = -1; + } + while(n>=0 && (n = _READ(ffd, buf, 8192)) > 0) + if(_WRITE(tfd, buf, n) != n){ + _syserrno(); + n = -1; + } + _CLOSE(ffd); + _CLOSE(tfd); + if(n>0) + n = 0; + if(n == 0) { + if(_REMOVE(from) < 0){ + _syserrno(); + return -1; + } + } + } + free(d); + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/rmdir.c b/sys/src/ape/lib/ap/plan9/rmdir.c new file mode 100755 index 000000000..a799bc00b --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/rmdir.c @@ -0,0 +1,17 @@ +#include "lib.h" +#include <errno.h> +#include <unistd.h> +#include "sys9.h" + +int +rmdir(const char *path) +{ + int n; + + n = 0; + if(_REMOVE(path) < 0) { + _syserrno(); + n = -1; + } + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/setgid.c b/sys/src/ape/lib/ap/plan9/setgid.c new file mode 100755 index 000000000..7c9075c3f --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/setgid.c @@ -0,0 +1,14 @@ +#include <sys/types.h> +#include <unistd.h> +#include <errno.h> + +/* + * BUG: never works + */ + +int +setgid(gid_t gid) +{ + errno = EPERM; + return -1; +} diff --git a/sys/src/ape/lib/ap/plan9/setpgid.c b/sys/src/ape/lib/ap/plan9/setpgid.c new file mode 100755 index 000000000..dd5445085 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/setpgid.c @@ -0,0 +1,31 @@ +#include "lib.h" +#include <unistd.h> +#include <stdio.h> +#include <errno.h> +#include "sys9.h" + +int +setpgid(pid_t pid, pid_t pgid) +{ + int n, f; + char buf[50], fname[30]; + + if(pid == 0) + pid = getpid(); + if(pgid == 0) + pgid = getpgrp(); + sprintf(fname, "/proc/%d/noteid", pid); + f = open(fname, 1); + if(f < 0) { + errno = ESRCH; + return -1; + } + n = sprintf(buf, "%d", pgid); + n = write(f, buf, n); + if(n < 0) + _syserrno(); + else + n = 0; + close(f); + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/setsid.c b/sys/src/ape/lib/ap/plan9/setsid.c new file mode 100755 index 000000000..f53f8f2f3 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/setsid.c @@ -0,0 +1,14 @@ +#include "lib.h" +#include <unistd.h> +#include "sys9.h" + +pid_t +setsid(void) +{ + if(_RFORK(RFNAMEG|RFNOTEG) < 0){ + _syserrno(); + return -1; + } + _sessleader = 1; + return getpgrp(); +} diff --git a/sys/src/ape/lib/ap/plan9/setuid.c b/sys/src/ape/lib/ap/plan9/setuid.c new file mode 100755 index 000000000..a34f2de6f --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/setuid.c @@ -0,0 +1,14 @@ +#include <sys/types.h> +#include <unistd.h> +#include <errno.h> + +/* + * BUG: never works + */ + +int +setuid(uid_t uid) +{ + errno = EPERM; + return -1; +} diff --git a/sys/src/ape/lib/ap/plan9/signal.c b/sys/src/ape/lib/ap/plan9/signal.c new file mode 100755 index 000000000..cf8a823ef --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/signal.c @@ -0,0 +1,136 @@ +#include "lib.h" +#include "sys9.h" +#include <signal.h> +#include <errno.h> +#include <string.h> +#include <setjmp.h> + +extern sigset_t _psigblocked; + +static struct { + char *msg; /* just check prefix */ + int num; +} sigtab[] = { + {"hangup", SIGHUP}, + {"interrupt", SIGINT}, + {"quit", SIGQUIT}, + {"alarm", SIGALRM}, + {"sys: trap: illegal instruction", SIGILL}, + {"sys: trap: reserved instruction", SIGILL}, + {"sys: trap: reserved", SIGILL}, + {"sys: trap: arithmetic overflow", SIGFPE}, + {"abort", SIGABRT}, + {"sys: fp:", SIGFPE}, + {"exit", SIGKILL}, + {"die", SIGKILL}, + {"kill", SIGKILL}, + {"sys: trap: bus error", SIGSEGV}, + {"sys: trap: address error", SIGSEGV}, + {"sys: trap: TLB", SIGSEGV}, + {"sys: write on closed pipe", SIGPIPE}, + {"alarm", SIGALRM}, + {"term", SIGTERM}, + {"usr1", SIGUSR1}, + {"usr2", SIGUSR2}, +}; +#define NSIGTAB ((sizeof sigtab)/(sizeof (sigtab[0]))) + +void (*_sighdlr[MAXSIG+1])(int, char*, Ureg*); /* 0 initialized: SIG_DFL */ + +void +(*signal(int sig, void (*func)(int, char*, Ureg*)))(int, char*, Ureg*) +{ + void(*oldf)(int, char*, Ureg*); + + if(sig <= 0 || sig > MAXSIG){ + errno = EINVAL; + return SIG_ERR; + } + oldf = _sighdlr[sig]; + if(sig == SIGKILL) + return oldf; /* can't catch or ignore SIGKILL */ + _sighdlr[sig] = func; + return oldf; +} + +/* BAD CODE - see /sys/src/ape/lib/ap/$objtype/setjmp.s for real code +int +sigsetjmp(sigjmp_buf buf, int savemask) +{ + int r; + + buf[0] = savemask; + buf[1] = _psigblocked; + return setjmp(&buf[2]); +} +*/ + +/* + * BUG: improper handling of process signal mask + */ +int +sigaction(int sig, struct sigaction *act, struct sigaction *oact) +{ + if(sig <= 0 || sig > MAXSIG || sig == SIGKILL){ + errno = EINVAL; + return -1; + } + if(oact){ + oact->sa_handler = _sighdlr[sig]; + oact->sa_mask = _psigblocked; + oact->sa_flags = 0; + } + if(act){ + _sighdlr[sig] = act->sa_handler; + } + return 0; +} + +/* this is registered in _envsetup */ +int +_notehandler(Ureg *u, char *msg) +{ + int i; + void(*f)(int, char*, Ureg*); + extern void _doatexits(void); /* in stdio/exit.c */ + + if(_finishing) + _finish(0, 0); + for(i = 0; i<NSIGTAB; i++){ + if(strncmp(msg, sigtab[i].msg, strlen(sigtab[i].msg)) == 0){ + f = _sighdlr[sigtab[i].num]; + if(f == SIG_DFL || f == SIG_ERR) + break; + if(f != SIG_IGN) { + _notetramp(sigtab[i].num, f, u); + /* notetramp is machine-dependent; doesn't return to here */ + } + _NOTED(0); /* NCONT */ + return; + } + } + _doatexits(); + _NOTED(1); /* NDFLT */ +} + +int +_stringsig(char *nam) +{ + int i; + + for(i = 0; i<NSIGTAB; i++) + if(strncmp(nam, sigtab[i].msg, strlen(sigtab[i].msg)) == 0) + return sigtab[i].num; + return 0; +} + +char * +_sigstring(int sig) +{ + int i; + + for(i=0; i<NSIGTAB; i++) + if(sigtab[i].num == sig) + return sigtab[i].msg; + return "unknown signal"; +} diff --git a/sys/src/ape/lib/ap/plan9/sigpending.c b/sys/src/ape/lib/ap/plan9/sigpending.c new file mode 100755 index 000000000..8b5eb2eda --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/sigpending.c @@ -0,0 +1,11 @@ +#include <signal.h> + +/* + * BUG: don't keep track of these + */ +int +sigpending(sigset_t *set) +{ + *set = 0; + return 0; +} diff --git a/sys/src/ape/lib/ap/plan9/sigprocmask.c b/sys/src/ape/lib/ap/plan9/sigprocmask.c new file mode 100755 index 000000000..84b94f987 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/sigprocmask.c @@ -0,0 +1,23 @@ +#include "lib.h" +#include <signal.h> +#include <errno.h> + +sigset_t _psigblocked; + +int +sigprocmask(int how, sigset_t *set, sigset_t *oset) +{ + if(oset) + *oset = _psigblocked; + if(how==SIG_BLOCK) + _psigblocked |= *set; + else if(how==SIG_UNBLOCK) + _psigblocked &= ~*set; + else if(how==SIG_SETMASK) + _psigblocked = *set; + else{ + errno = EINVAL; + return -1; + } + return 0; +} diff --git a/sys/src/ape/lib/ap/plan9/sigsuspend.c b/sys/src/ape/lib/ap/plan9/sigsuspend.c new file mode 100755 index 000000000..290c15d0f --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/sigsuspend.c @@ -0,0 +1,13 @@ +#include <signal.h> +#include <errno.h> + +/* + * BUG: doesn't work + */ + +int +sigsuspend(sigset_t *set) +{ + errno = EINVAL; + return -1; +} diff --git a/sys/src/ape/lib/ap/plan9/sleep.c b/sys/src/ape/lib/ap/plan9/sleep.c new file mode 100755 index 000000000..a6fcf19a9 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/sleep.c @@ -0,0 +1,17 @@ +#include "lib.h" +#include <unistd.h> +#include <time.h> +#include "sys9.h" + +unsigned int +sleep(unsigned int secs) +{ + time_t t0, t1; + + t0 = time(0); + if(_SLEEP(secs*1000) < 0){ + t1 = time(0); + return t1-t0; + } + return 0; +} diff --git a/sys/src/ape/lib/ap/plan9/sqrt.c b/sys/src/ape/lib/ap/plan9/sqrt.c new file mode 100755 index 000000000..98974360d --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/sqrt.c @@ -0,0 +1,56 @@ +/* + sqrt returns the square root of its floating + point argument. Newton's method. + + calls frexp +*/ + +#include <math.h> +#include <errno.h> +#define _RESEARCH_SOURCE +#include <float.h> + +double +sqrt(double arg) +{ + double x, temp; + int exp, i; + + if(isInf(arg, 1)) + return arg; + if(arg <= 0) { + if(arg < 0) + errno = EDOM; + return 0; + } + x = frexp(arg, &exp); + while(x < 0.5) { + x *= 2; + exp--; + } + /* + * NOTE + * this wont work on 1's comp + */ + if(exp & 1) { + x *= 2; + exp--; + } + temp = 0.5 * (1.0+x); + + while(exp > 60) { + temp *= (1L<<30); + exp -= 60; + } + while(exp < -60) { + temp /= (1L<<30); + exp += 60; + } + if(exp >= 0) + temp *= 1L << (exp/2); + else + temp /= 1L << (-exp/2); + for(i=0; i<=4; i++) + temp = 0.5*(temp + arg/temp); + return temp; +} diff --git a/sys/src/ape/lib/ap/plan9/stat.c b/sys/src/ape/lib/ap/plan9/stat.c new file mode 100755 index 000000000..be0d7c484 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/stat.c @@ -0,0 +1,21 @@ +#include "lib.h" +#include <sys/stat.h> +#include <errno.h> +#include <stdlib.h> +#include "sys9.h" +#include "dir.h" + +int +stat(const char *path, struct stat *buf) +{ + Dir *d; + + if((d = _dirstat(path)) == nil){ + _syserrno(); + return -1; + } + _dirtostat(buf, d, 0); + free(d); + + return 0; +} diff --git a/sys/src/ape/lib/ap/plan9/sys9.h b/sys/src/ape/lib/ap/plan9/sys9.h new file mode 100755 index 000000000..b289273cb --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/sys9.h @@ -0,0 +1,121 @@ +typedef +struct Waitmsg +{ + int pid; /* of loved one */ + unsigned long time[3]; /* of loved one & descendants */ + char *msg; +} Waitmsg; + +#define STATMAX 65535U /* max length of machine-independent stat structure */ +#define DIRMAX (sizeof(Dir)+STATMAX) /* max length of Dir structure */ +#define ERRMAX 128 /* max length of error string */ + +#define MORDER 0x0003 /* mask for bits defining order of mounting */ +#define MREPL 0x0000 /* mount replaces object */ +#define MBEFORE 0x0001 /* mount goes before others in union directory */ +#define MAFTER 0x0002 /* mount goes after others in union directory */ +#define MCREATE 0x0004 /* permit creation in mounted directory */ +#define MCACHE 0x0010 /* cache some data */ +#define MMASK 0x0007 /* all bits on */ + +#define OREAD 0 /* open for read */ +#define OWRITE 1 /* write */ +#define ORDWR 2 /* read and write */ +#define OEXEC 3 /* execute, == read but check execute permission */ +#define OTRUNC 16 /* or'ed in (except for exec), truncate file first */ +#define OCEXEC 32 /* or'ed in, close on exec */ +#define ORCLOSE 64 /* or'ed in, remove on close */ +#define OEXCL 0x1000 /* or'ed in, exclusive use (create only) */ + +#define AEXIST 0 /* accessible: exists */ +#define AEXEC 1 /* execute access */ +#define AWRITE 2 /* write access */ +#define AREAD 4 /* read access */ + +/* Segattch */ +#define SG_RONLY 0040 /* read only */ +#define SG_CEXEC 0100 /* detach on exec */ + +#define NCONT 0 /* continue after note */ +#define NDFLT 1 /* terminate after note */ +#define NSAVE 2 /* clear note but hold state */ +#define NRSTR 3 /* restore saved state */ + +/* bits in Qid.type */ +#define QTDIR 0x80 /* type bit for directories */ +#define QTAPPEND 0x40 /* type bit for append only files */ +#define QTEXCL 0x20 /* type bit for exclusive use files */ +#define QTMOUNT 0x10 /* type bit for mounted channel */ +#define QTFILE 0x00 /* plain file */ + +/* bits in Dir.mode */ +#define DMDIR 0x80000000 /* mode bit for directories */ +#define DMAPPEND 0x40000000 /* mode bit for append only files */ +#define DMEXCL 0x20000000 /* mode bit for exclusive use files */ +#define DMMOUNT 0x10000000 /* mode bit for mounted channel */ +#define DMREAD 0x4 /* mode bit for read permission */ +#define DMWRITE 0x2 /* mode bit for write permission */ +#define DMEXEC 0x1 /* mode bit for execute permission */ + +/* rfork */ +enum +{ + RFNAMEG = (1<<0), + RFENVG = (1<<1), + RFFDG = (1<<2), + RFNOTEG = (1<<3), + RFPROC = (1<<4), + RFMEM = (1<<5), + RFNOWAIT = (1<<6), + RFCNAMEG = (1<<10), + RFCENVG = (1<<11), + RFCFDG = (1<<12), + RFREND = (1<<13), + RFNOMNT = (1<<14) +}; + +extern int _AWAIT(char*, int); +extern int _ALARM(unsigned long); +extern int _BIND(const char*, const char*, int); +extern int _CHDIR(const char*); +extern int _CLOSE(int); +extern int _CREATE(char*, int, unsigned long); +extern int _DUP(int, int); +extern int _ERRSTR(char*, unsigned int); +extern int _EXEC(char*, char*[]); +extern void _EXITS(char *); +extern int _FD2PATH(int, char*, int); +extern int _FAUTH(int, char*); +extern int _FSESSION(int, char*, int); +extern int _FSTAT(int, unsigned char*, int); +extern int _FWSTAT(int, unsigned char*, int); +extern int _MOUNT(int, int, const char*, int, const char*); +extern int _NOTED(int); +extern int _NOTIFY(int(*)(void*, char*)); +extern int _OPEN(const char*, int); +extern int _PIPE(int*); +extern long _PREAD(int, void*, long, long long); +extern long _PWRITE(int, void*, long, long long); +extern long _READ(int, void*, long); +extern int _REMOVE(const char*); +extern int _RENDEZVOUS(unsigned long, unsigned long); +extern int _RFORK(int); +extern int _SEGATTACH(int, char*, void*, unsigned long); +extern int _SEGBRK(void*, void*); +extern int _SEGDETACH(void*); +extern int _SEGFLUSH(void*, unsigned long); +extern int _SEGFREE(void*, unsigned long); +extern long long _SEEK(int, long long, int); +extern int _SLEEP(long); +extern int _STAT(const char*, unsigned char*, int); +extern Waitmsg* _WAIT(void); +extern long _WRITE(int, const void*, long); +extern int _WSTAT(const char*, unsigned char*, int); + +extern int __open(char *, int, ...); +extern int __access(char *, int); +extern int __chdir(char *); +extern int __creat(char *, int); +extern int __link(char *, int); +extern int __stat(char *, struct stat *); +extern int __unlink(char *); diff --git a/sys/src/ape/lib/ap/plan9/system.c b/sys/src/ape/lib/ap/plan9/system.c new file mode 100755 index 000000000..497b0e1f1 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/system.c @@ -0,0 +1,40 @@ +#include "lib.h" +#include <stdlib.h> +#include <stdio.h> +#include <sys/wait.h> +#include <unistd.h> + +int +system(const char *s) +{ + int w, status; + pid_t pid; + char cmd[30], *oty; + + oty = getenv("cputype"); + if(!oty) + return -1; + if(!s) + return 1; /* a command interpreter is available */ + pid = fork(); + snprintf(cmd, sizeof cmd, "/%s/bin/ape/sh", oty); + if(pid == 0) { + execl(cmd, "sh", "-c", s, NULL); + _exit(1); + } + if(pid < 0){ + _syserrno(); + return -1; + } + for(;;) { + w = wait(&status); + if(w == -1 || w == pid) + break; + } + + if(w == -1){ + _syserrno(); + return w; + } + return status; +} diff --git a/sys/src/ape/lib/ap/plan9/tcgetattr.c b/sys/src/ape/lib/ap/plan9/tcgetattr.c new file mode 100755 index 000000000..8a7d3e608 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/tcgetattr.c @@ -0,0 +1,201 @@ +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include <sys/types.h> +#include <termios.h> +#include <unistd.h> +#include <fcntl.h> +#include <errno.h> +#include "sys9.h" +#include "lib.h" +#include "dir.h" + +#define CESC '\\' +#define CINTR 0177 /* DEL */ +#define CQUIT 034 /* FS, cntl | */ +#define CERASE 010 /* BS */ +#define CKILL 025 /* cntl u */ +#define CEOF 04 /* cntl d */ +#define CSTART 021 /* cntl q */ +#define CSTOP 023 /* cntl s */ +#define CSWTCH 032 /* cntl z */ +#define CEOL 000 +#define CNSWTCH 0 + +static int +isptty(int fd) +{ + Dir *d; + int rv; + + if((d = _dirfstat(fd)) == nil) + return 0; + rv = (strncmp(d->name, "ptty", 4) == 0); + free(d); + return rv; +} + +int +tcgetattr(int fd, struct termios *t) +{ + int n; + char buf[60]; + + if(!isptty(fd)) { + if(isatty(fd)) { + /* If there is no emulation return sensible defaults */ + t->c_iflag = ISTRIP|ICRNL|IXON|IXOFF; + t->c_oflag = OPOST|TAB3|ONLCR; + t->c_cflag = B9600; + t->c_lflag = ISIG|ICANON|ECHO|ECHOE|ECHOK; + t->c_cc[VINTR] = CINTR; + t->c_cc[VQUIT] = CQUIT; + t->c_cc[VERASE] = CERASE; + t->c_cc[VKILL] = CKILL; + t->c_cc[VEOF] = CEOF; + t->c_cc[VEOL] = CEOL; + t->c_cc[VSTART] = CSTART; + t->c_cc[VSTOP] = CSTOP; + return 0; + } else { + errno = ENOTTY; + return -1; + } + } + if(_SEEK(fd, -2, 0) != -2) { + _syserrno(); + return -1; + } + + n = _READ(fd, buf, 57); + if(n < 0) { + _syserrno(); + return -1; + } + + t->c_iflag = strtoul(buf+4, 0, 16); + t->c_oflag = strtoul(buf+9, 0, 16); + t->c_cflag = strtoul(buf+14, 0, 16); + t->c_lflag = strtoul(buf+19, 0, 16); + + for(n = 0; n < NCCS; n++) + t->c_cc[n] = strtoul(buf+24+(n*3), 0, 16); + + return 0; +} + +/* BUG: ignores optional actions */ + +int +tcsetattr(int fd, int optactions, const struct termios *t) +{ + int n, i; + char buf[100]; + + if(!isptty(fd)) { + if(!isatty(fd)) { + errno = ENOTTY; + return -1; + } else + return 0; + } + n = sprintf(buf, "IOW %4.4x %4.4x %4.4x %4.4x ", + t->c_iflag, t->c_oflag, t->c_cflag, t->c_lflag); + + for(i = 0; i < NCCS; i++) + n += sprintf(buf+n, "%2.2x ", t->c_cc[i]); + + if(_SEEK(fd, -2, 0) != -2) { + _syserrno(); + return -1; + } + + n = _WRITE(fd, buf, n); + if(n < 0) { + _syserrno(); + return -1; + } + + return 0; +} + +int +tcsetpgrp(int fd, pid_t pgrpid) +{ + int n; + char buf[30]; + + if(!isptty(fd)) { + if(!isatty(fd)) { + errno = ENOTTY; + return -1; + } else + return 0; + } + n = sprintf(buf, "IOW note %d", pgrpid); + + if(_SEEK(fd, -2, 0) != -2) { + _syserrno(); + return -1; + } + + n = _WRITE(fd, buf, n); + if(n < 0) { + _syserrno(); + return -1; + } +} + +pid_t +tcgetpgrp(int fd) +{ + int n; + pid_t pgrp; + char buf[100]; + + if(!isptty(fd)) { + errno = ENOTTY; + return -1; + } + if(_SEEK(fd, -2, 0) != -2) { + _syserrno(); + return -1; + } + n = _READ(fd, buf, sizeof(buf)); + if(n < 0) { + _syserrno(); + return -1; + } + pgrp = atoi(buf+24+(NCCS*3)); + return pgrp; +} + +/* should do a better job here */ + +int +tcdrain(int) +{ + errno = ENOTTY; + return -1; +} + +int +tcflush(int, int) +{ + errno = ENOTTY; + return -1; +} + +int +tcflow(int, int) +{ + errno = ENOTTY; + return -1; +} + +int +tcsendbreak(int) +{ + errno = ENOTTY; + return -1; +} diff --git a/sys/src/ape/lib/ap/plan9/time.c b/sys/src/ape/lib/ap/plan9/time.c new file mode 100755 index 000000000..85a1e72b2 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/time.c @@ -0,0 +1,27 @@ +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <time.h> +#include <unistd.h> +#include <string.h> +#include <stdlib.h> +#include "sys9.h" + +time_t +time(time_t *tp) +{ + char b[20]; + int f; + time_t t; + + memset(b, 0, sizeof(b)); + f = _OPEN("/dev/time", 0); + if(f >= 0) { + _PREAD(f, b, sizeof(b), 0); + _CLOSE(f); + } + t = atol(b); + if(tp) + *tp = t; + return t; +} diff --git a/sys/src/ape/lib/ap/plan9/times.c b/sys/src/ape/lib/ap/plan9/times.c new file mode 100755 index 000000000..2d1e95c8c --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/times.c @@ -0,0 +1,51 @@ +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <sys/times.h> +#include <unistd.h> +#include <errno.h> +#include <string.h> +#include <stdlib.h> + +static +char* +skip(char *p) +{ + + while(*p == ' ') + p++; + while(*p != ' ' && *p != 0) + p++; + return p; +} + +clock_t +times(struct tms *buf) +{ + char b[200], *p; + int f; + unsigned long r; + + memset(b, 0, sizeof(b)); + f = open("/dev/cputime", O_RDONLY); + if(f >= 0) { + lseek(f, SEEK_SET, 0); + read(f, b, sizeof(b)); + close(f); + } + p = b; + if(buf) + buf->tms_utime = atol(p); + p = skip(p); + if(buf) + buf->tms_stime = atol(p); + p = skip(p); + r = atol(p); + if(buf){ + p = skip(p); + buf->tms_cutime = atol(p); + p = skip(p); + buf->tms_cstime = atol(p); + } + return r; +} diff --git a/sys/src/ape/lib/ap/plan9/tmpfile.c b/sys/src/ape/lib/ap/plan9/tmpfile.c new file mode 100755 index 000000000..c3ab5fd88 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/tmpfile.c @@ -0,0 +1,44 @@ +#include <stdlib.h> +#include <unistd.h> +#include <string.h> +#include "sys9.h" +#undef OPEN +#include "../stdio/iolib.h" +#include "lib.h" +#include "dir.h" + +FILE * +tmpfile(void){ + FILE *f; + static char name[]="/tmp/tf0000000000000"; + char *p; + int n; + for(f=_IO_stream;f!=&_IO_stream[FOPEN_MAX];f++) + if(f->state==CLOSED) + break; + if(f==&_IO_stream[FOPEN_MAX]) + return NULL; + while(access(name, 0) >= 0){ + p = name+7; + while(*p == '9') + *p++ = '0'; + if(*p == '\0') + return NULL; + ++*p; + } + n = _CREATE(name, 64|2, 0777); /* remove-on-close */ + if(n==-1){ + _syserrno(); + return NULL; + } + _fdinfo[n].flags = FD_ISOPEN; + _fdinfo[n].oflags = 2; + f->fd=n; + f->flags=0; + f->state=OPEN; + f->buf=0; + f->rp=0; + f->wp=0; + f->lp=0; + return f; +} diff --git a/sys/src/ape/lib/ap/plan9/ttyname.c b/sys/src/ape/lib/ap/plan9/ttyname.c new file mode 100755 index 000000000..980186a81 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/ttyname.c @@ -0,0 +1,11 @@ +#include <unistd.h> +#include <stdio.h> + +char * +ttyname(int fd) +{ + static char buf[100]; + + sprintf(buf, "/fd/%d", fd); + return buf; +} diff --git a/sys/src/ape/lib/ap/plan9/umask.c b/sys/src/ape/lib/ap/plan9/umask.c new file mode 100755 index 000000000..b45b7576c --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/umask.c @@ -0,0 +1,13 @@ +#include <sys/types.h> +#include <sys/stat.h> +#include <errno.h> + +/* + * No such concept in plan9, but supposed to be always successful + */ + +mode_t +umask(mode_t numask) +{ + return 0; +} diff --git a/sys/src/ape/lib/ap/plan9/uname.c b/sys/src/ape/lib/ap/plan9/uname.c new file mode 100755 index 000000000..1df2a941f --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/uname.c @@ -0,0 +1,25 @@ +#include <stdlib.h> +#include <string.h> +#include <sys/utsname.h> + +int +uname(struct utsname *n) +{ + n->sysname = getenv("osname"); + if(!n->sysname) + n->sysname = "Plan9"; + n->nodename = getenv("sysname"); + if(!n->nodename){ + n->nodename = getenv("site"); + if(!n->nodename) + n->nodename = "?"; + } + n->release = "4"; /* edition */ + n->version = "0"; + n->machine = getenv("cputype"); + if(!n->machine) + n->machine = "?"; + if(strcmp(n->machine, "386") == 0) + n->machine = "i386"; /* for gnu configure */ + return 0; +} diff --git a/sys/src/ape/lib/ap/plan9/unlink.c b/sys/src/ape/lib/ap/plan9/unlink.c new file mode 100755 index 000000000..a015c782f --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/unlink.c @@ -0,0 +1,75 @@ +#include "lib.h" +#include <unistd.h> +#include <errno.h> +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include "sys9.h" +#include "dir.h" + + +/* + * BUG: errno mapping + */ + +int +unlink(const char *path) +{ + int n, i, fd; + long long nn; + Dir *db1, *db2, nd; + Fdinfo *f; + char *p, newname[PATH_MAX], newelem[32]; + + /* if the file is already open, make it close-on-exec (and rename to qid) */ + if((db1 = _dirstat(path)) == nil) { + _syserrno(); + return -1; + } + fd = -1; + for(i=0, f = _fdinfo;i < OPEN_MAX; i++, f++) { + if((f->flags&FD_ISOPEN) && (db2=_dirfstat(i)) != nil) { + if(db1->qid.path == db2->qid.path && + db1->qid.vers == db2->qid.vers && + db1->type == db2->type && + db1->dev == db2->dev) { + sprintf(newelem, "%8.8lx%8.8lx", (ulong)(db2->qid.path>>32), (ulong)db2->qid.path); + _nulldir(&nd); + nd.name = newelem; + if(_dirfwstat(i, &nd) < 0) + p = (char*)path; + else { + p = strrchr(path, '/'); + if(p == 0) + p = newelem; + else { + memmove(newname, path, p-path); + newname[p-path] = '/'; + strcpy(newname+(p-path)+1, newelem); + p = newname; + } + } + /* reopen remove on close */ + fd = _OPEN(p, 64|(f->oflags)); + if(fd < 0){ + free(db2); + continue; + } + nn = _SEEK(i, 0, 1); + if(nn < 0) + nn = 0; + _SEEK(fd, nn, 0); + _DUP(fd, i); + _CLOSE(fd); + free(db1); + return 0; + } + free(db2); + } + } + if(fd == -1) + if((n=_REMOVE(path)) < 0) + _syserrno(); + free(db1); + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/utime.c b/sys/src/ape/lib/ap/plan9/utime.c new file mode 100755 index 000000000..52eeb34e2 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/utime.c @@ -0,0 +1,30 @@ +#include "lib.h" +#include <sys/types.h> +#include <time.h> +#include <utime.h> +#include <errno.h> +#include <stdlib.h> +#include "sys9.h" +#include "dir.h" + +int +utime(const char *path, const struct utimbuf *times) +{ + int n; + Dir nd; + time_t curt; + + _nulldir(&nd); + if(times == 0) { + curt = time(0); + nd.atime = curt; + nd.mtime = curt; + } else { + nd.atime = times->actime; + nd.mtime = times->modtime; + } + n = _dirwstat(path, &nd); + if(n < 0) + _syserrno(); + return n; +} diff --git a/sys/src/ape/lib/ap/plan9/wait.c b/sys/src/ape/lib/ap/plan9/wait.c new file mode 100755 index 000000000..ac1ab13da --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/wait.c @@ -0,0 +1,150 @@ +#include "lib.h" +#include <stdlib.h> +#include <sys/wait.h> +#include <sys/time.h> +#include <sys/resource.h> +#include <sys/stat.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include <stdio.h> +#include "sys9.h" +#include "dir.h" + +/* + * status not yet collected for processes that have exited + */ +typedef struct Waited Waited; +struct Waited { + Waitmsg* msg; + Waited* next; +}; +static Waited *wd; + +static Waitmsg * +lookpid(int pid) +{ + Waited **wl, *w; + Waitmsg *msg; + + for(wl = &wd; (w = *wl) != nil; wl = &w->next) + if(pid <= 0 || w->msg->pid == pid){ + msg = w->msg; + *wl = w->next; + free(w); + return msg; + } + return 0; +} + +static void +addpid(Waitmsg *msg) +{ + Waited *w; + + w = malloc(sizeof(*w)); + if(w == nil){ + /* lost it; what can we do? */ + free(msg); + return; + } + w->msg = msg; + w->next = wd; + wd = w; +} + +static int +waitstatus(Waitmsg *w) +{ + int r, t; + char *bp, *ep; + + r = 0; + t = 0; + if(w->msg[0]){ + /* message is 'prog pid:string' */ + bp = w->msg; + while(*bp){ + if(*bp++ == ':') + break; + } + if(*bp == 0) + bp = w->msg; + r = strtol(bp, &ep, 10); + if(*ep == 0){ + if(r < 0 || r >= 256) + r = 1; + }else{ + t = _stringsig(bp); + if(t == 0) + r = 1; + } + } + return (r<<8) | t; +} + +static void +waitresource(struct rusage *ru, Waitmsg *w) +{ + memset(ru, 0, sizeof(*ru)); + ru->ru_utime.tv_sec = w->time[0]/1000; + ru->ru_utime.tv_usec = (w->time[0]%1000)*1000; + ru->ru_stime.tv_sec = w->time[1]/1000; + ru->ru_stime.tv_usec = (w->time[1]%1000)*1000; +} + +pid_t +wait(int *status) +{ + return wait4(-1, status, 0, nil); +} + +pid_t +waitpid(pid_t wpid, int *status, int options) +{ + return wait4(wpid, status, options, nil); +} + +pid_t +wait3(int *status, int options, struct rusage *res) +{ + return wait4(-1, status, options, res); +} + +pid_t +wait4(pid_t wpid, int *status, int options, struct rusage *res) +{ + char pname[50]; + Dir *d; + Waitmsg *w; + + w = lookpid(wpid); + if(w == nil){ + if(options & WNOHANG){ + snprintf(pname, sizeof(pname), "/proc/%d/wait", getpid()); + d = _dirstat(pname); + if(d != nil && d->length == 0){ + free(d); + return 0; + } + free(d); + } + for(;;){ + w = _WAIT(); + if(w == nil){ + _syserrno(); + return -1; + } + if(wpid <= 0 || w->pid == wpid) + break; + addpid(w); + } + } + if(res != nil) + waitresource(res, w); + if(status != nil) + *status = waitstatus(w); + wpid = w->pid; + free(w); + return wpid; +} diff --git a/sys/src/ape/lib/ap/plan9/write.c b/sys/src/ape/lib/ap/plan9/write.c new file mode 100755 index 000000000..6795bbc92 --- /dev/null +++ b/sys/src/ape/lib/ap/plan9/write.c @@ -0,0 +1,21 @@ +#include <errno.h> +#include <unistd.h> +#include "lib.h" +#include "sys9.h" + +ssize_t +write(int d, const void *buf, size_t nbytes) +{ + int n; + + if(d<0 || d>=OPEN_MAX || !(_fdinfo[d].flags&FD_ISOPEN)){ + errno = EBADF; + return -1; + } + if(_fdinfo[d].oflags&O_APPEND) + _SEEK(d, 0, 2); + n = _WRITE(d, buf, nbytes); + if(n < 0) + _syserrno(); + return n; +} diff --git a/sys/src/ape/lib/ap/posix/getgrent.c b/sys/src/ape/lib/ap/posix/getgrent.c new file mode 100755 index 000000000..345ec2ed5 --- /dev/null +++ b/sys/src/ape/lib/ap/posix/getgrent.c @@ -0,0 +1,62 @@ +#include <stdio.h> +#include <grp.h> +#include <stdlib.h> + +#define CL ':' +#define CM ',' +#define NL '\n' +#define MAXGRP 100 + +static char GROUP[] = "/etc/group"; +static FILE *grf = NULL; +static char line[BUFSIZ+1]; +static struct group group; +static char *gr_mem[MAXGRP]; + +setgrent() +{ + if( !grf ) + grf = fopen( GROUP, "r" ); + else + rewind( grf ); +} + +endgrent() +{ + if( grf ){ + fclose( grf ); + grf = NULL; + } +} + +static char * +grskip(register char *p, register c) +{ + while( *p && *p != c ) ++p; + if( *p ) *p++ = 0; + return( p ); +} + +struct group * +getgrent() +{ + register char *p, **q; + + if( !grf && !(grf = fopen( GROUP, "r" )) ) + return(NULL); + if( !(p = fgets( line, BUFSIZ, grf )) ) + return(NULL); + group.gr_name = p; + p = grskip(p,CL); /* passwd */ + group.gr_gid = atoi(p = grskip(p,CL)); + group.gr_mem = gr_mem; + p = grskip(p,CL); + grskip(p,NL); + q = gr_mem; + while( *p ){ + *q++ = p; + p = grskip(p,CM); + } + *q = NULL; + return( &group ); +} diff --git a/sys/src/ape/lib/ap/posix/getpwent.c b/sys/src/ape/lib/ap/posix/getpwent.c new file mode 100755 index 000000000..779ae3a54 --- /dev/null +++ b/sys/src/ape/lib/ap/posix/getpwent.c @@ -0,0 +1,69 @@ +#include <stdio.h> +#include <pwd.h> +#include <stdlib.h> + +static char PASSWD[] = "/etc/passwd"; +static FILE *pwf = NULL; +static char line[BUFSIZ+2]; +static struct passwd passwd; + +void +setpwent(void) +{ + if( pwf == NULL ) + pwf = fopen( PASSWD, "r" ); + else + rewind( pwf ); +} + +void +endpwent(void) +{ + if( pwf != NULL ){ + fclose( pwf ); + pwf = NULL; + } +} + +static char * +pwskip(char *p) +{ + while( *p && *p != ':' && *p != '\n' ) + ++p; + if( *p ) *p++ = 0; + else p[1] = 0; + return(p); +} + +struct passwd * +pwdecode(char *p) +{ + passwd.pw_name = p; + p = pwskip(p); + p = pwskip(p); /* passwd */ + passwd.pw_uid = atoi(p); + p = pwskip(p); + passwd.pw_gid = atoi(p); + p = pwskip(p); /* comment */ + p = pwskip(p); /* gecos */ + passwd.pw_dir = p; + p = pwskip(p); + passwd.pw_shell = p; + p = pwskip(p); + return(&passwd); +} + +struct passwd * +getpwent(void) +{ + register char *p; + + if (pwf == NULL) { + if( (pwf = fopen( PASSWD, "r" )) == NULL ) + return(0); + } + p = fgets(line, BUFSIZ, pwf); + if (p==NULL) + return(0); + return pwdecode (p); +} diff --git a/sys/src/ape/lib/ap/posix/locale.c b/sys/src/ape/lib/ap/posix/locale.c new file mode 100755 index 000000000..2468a3510 --- /dev/null +++ b/sys/src/ape/lib/ap/posix/locale.c @@ -0,0 +1,62 @@ +#include <locale.h> +#include <limits.h> +#include <string.h> + +static struct lconv Clocale = { + ".", /* decimal_point */ + "", /* thousands_sep */ + "", /* grouping */ + "", /* int_curr_symbol */ + "", /* currency_symbol */ + "", /* mon_decimal_point */ + "", /* mon_thousands_sep */ + "", /* mon_grouping */ + "", /* positive_sign */ + "", /* negative_sign */ + CHAR_MAX, /* int_frac_digits */ + CHAR_MAX, /* frac_digits */ + CHAR_MAX, /* p_cs_precedes */ + CHAR_MAX, /* p_sep_by_space */ + CHAR_MAX, /* n_cs_precedes */ + CHAR_MAX, /* n_sep_by_space */ + CHAR_MAX, /* p_sign_posn */ + CHAR_MAX, /* n_sign_posn */ +}; + +static char *localename[2] = {"C", ""}; +static short catlocale[6] = {0, 0, 0, 0, 0, 0}; + /* indices into localename for categories LC_ALL, LC_COLLATE, etc. */ + +#define ASIZE(a) (sizeof(a)/sizeof(a[0])) + +char * +setlocale(int category, const char *locale) +{ + int c, i; + + if(category < 0 || category >= ASIZE(catlocale)) + return 0; + if(!locale) + return localename[catlocale[category]]; + for(c=0; c<ASIZE(localename); c++) + if(strcmp(locale, localename[c]) == 0) + break; + if(c >= ASIZE(localename)) + return 0; + catlocale[category] = c; + if(category == LC_ALL) + for(i=0; i<ASIZE(catlocale); i++) + catlocale[i] = c; + return localename[c]; +} + +struct lconv * +localeconv(void) +{ + /* BUG: posix says look at environment variables + * to set locale "", but we just make it the same + * as C, always. + */ + return &Clocale; +} + diff --git a/sys/src/ape/lib/ap/posix/mkfifo.c b/sys/src/ape/lib/ap/posix/mkfifo.c new file mode 100755 index 000000000..7dbc8f5b6 --- /dev/null +++ b/sys/src/ape/lib/ap/posix/mkfifo.c @@ -0,0 +1,12 @@ +#include <sys/types.h> +#include <sys/stat.h> +#include <errno.h> + +int +mkfifo(char *path, mode_t mode) +{ +#pragma ref path +#pragma ref mode + errno = 0; + return -1; +} diff --git a/sys/src/ape/lib/ap/posix/mkfile b/sys/src/ape/lib/ap/posix/mkfile new file mode 100755 index 000000000..268a991d0 --- /dev/null +++ b/sys/src/ape/lib/ap/posix/mkfile @@ -0,0 +1,16 @@ +APE=/sys/src/ape +<$APE/config +LIB=/$objtype/lib/ape/libap.a +OFILES=\ + getgrent.$O\ + getpwent.$O\ + locale.$O\ + mkfifo.$O\ + pathconf.$O\ + sigset.$O\ + sysconf.$O\ + tzset.$O\ + +</sys/src/cmd/mksyslib + +CFLAGS=-c -D_POSIX_SOURCE diff --git a/sys/src/ape/lib/ap/posix/pathconf.c b/sys/src/ape/lib/ap/posix/pathconf.c new file mode 100755 index 000000000..9fdf47684 --- /dev/null +++ b/sys/src/ape/lib/ap/posix/pathconf.c @@ -0,0 +1,55 @@ +#include <unistd.h> +#include <limits.h> +#include <errno.h> +#include <sys/limits.h> + +long +pathconf(const char *path, int name) +{ +#pragma ref path + + switch(name) + { + case _PC_LINK_MAX: + return LINK_MAX; + case _PC_MAX_CANON: + return MAX_CANON; + case _PC_MAX_INPUT: + return MAX_INPUT; + case _PC_NAME_MAX: + return NAME_MAX; + case _PC_PATH_MAX: + return PATH_MAX; + case _PC_PIPE_BUF: + return PIPE_BUF; + case _PC_CHOWN_RESTRICTED: +#ifdef _POSIX_CHOWN_RESTRICTED + return _POSIX_CHOWN_RESTRICTED; +#else + return -1; +#endif + case _PC_NO_TRUNC: +#ifdef _POSIX_NO_TRUNC + return _POSIX_NO_TRUNC; +#else + return -1; +#endif + case _PC_VDISABLE: +#ifdef _POSIX_VDISABLE + return _POSIX_VDISABLE; +#else + return -1; +#endif + } + errno = EINVAL; + return -1; +} + +long +fpathconf(int fd, int name) +{ +#pragma ref fd + + return pathconf(0, name); +} + diff --git a/sys/src/ape/lib/ap/posix/sigset.c b/sys/src/ape/lib/ap/posix/sigset.c new file mode 100755 index 000000000..1a9ef12aa --- /dev/null +++ b/sys/src/ape/lib/ap/posix/sigset.c @@ -0,0 +1,67 @@ +#include <signal.h> +#include <errno.h> + +/* + * sigsets are 32-bit longs. if the 2<<(i-1) bit is on, + * the signal #define'd as i in signal.h is inluded. + */ + +static sigset_t stdsigs = SIGHUP|SIGINT|SIGQUIT|SIGILL|SIGABRT|SIGFPE|SIGKILL| + SIGSEGV|SIGPIPE|SIGALRM|SIGTERM|SIGUSR1|SIGUSR2; + +#define BITSIG(s) (2<<(s)) + +int +sigemptyset(sigset_t *set) +{ + *set = 0; + return 0; +} + +int +sigfillset(sigset_t *set) +{ + *set = stdsigs; + return 0; +} + +int +sigaddset(sigset_t *set, int signo) +{ + int b; + + b = BITSIG(signo); + if(!(b&stdsigs)){ + errno = EINVAL; + return -1; + } + *set |= b; + return 0; +} + +int +sigdelset(sigset_t *set, int signo) +{ + int b; + + b = BITSIG(signo); + if(!(b&stdsigs)){ + errno = EINVAL; + return -1; + } + *set &= ~b; + return 0; +} + +int +sigismember(sigset_t *set, int signo) +{ + int b; + + b = BITSIG(signo); + if(!(b&stdsigs)){ + errno = EINVAL; + return -1; + } + return (b&*set)? 1 : 0; +} diff --git a/sys/src/ape/lib/ap/posix/sysconf.c b/sys/src/ape/lib/ap/posix/sysconf.c new file mode 100755 index 000000000..cd7adaaab --- /dev/null +++ b/sys/src/ape/lib/ap/posix/sysconf.c @@ -0,0 +1,42 @@ +#include <stdio.h> +#include <unistd.h> +#include <limits.h> +#include <time.h> +#include <errno.h> +#include <sys/limits.h> + +long +sysconf(int name) +{ + switch(name) + { + case _SC_ARG_MAX: + return ARG_MAX; + case _SC_CHILD_MAX: + return CHILD_MAX; + case _SC_CLK_TCK: + return CLOCKS_PER_SEC; + case _SC_NGROUPS_MAX: + return NGROUPS_MAX; + case _SC_OPEN_MAX: + return OPEN_MAX; + case _SC_JOB_CONTROL: +#ifdef _POSIX_JOB_CONTROL + return _POSIX_JOB_CONTROL; +#else + return -1; +#endif + case _SC_SAVED_IDS: +#ifdef _POSIX_SAVED_IDS + return _POSIX_SAVED_IDS; +#else + return -1; +#endif + case _SC_VERSION: + return _POSIX_VERSION; + case _SC_LOGIN_NAME_MAX: + return L_cuserid; + } + errno = EINVAL; + return -1; +} diff --git a/sys/src/ape/lib/ap/posix/tzset.c b/sys/src/ape/lib/ap/posix/tzset.c new file mode 100755 index 000000000..8502c6d66 --- /dev/null +++ b/sys/src/ape/lib/ap/posix/tzset.c @@ -0,0 +1,141 @@ +#include <stdlib.h> +#include <sys/types.h> +#include <fcntl.h> +#include <time.h> +#include <ctype.h> +#include <string.h> +#include <unistd.h> + +#define TZFILE "/etc/TZ" + +static char TZ[128]; +static char std[32] = "GMT0"; +static char dst[32]; +char *tzname[2] = { + std, dst +}; +time_t tzoffset, tzdstoffset; +int tzdst = 0; + +static int +offset(char *env, time_t *off) +{ + int n, sign; + size_t len, retlen; + + retlen = 0; + sign = 1; + /* + * strictly, no sign is allowed in the 'time' part of the + * dst start/stop rules, but who cares? + */ + if (*env == '-' || *env == '+') { + if (*env++ == '-') + sign = -1; + retlen++; + } + if ((len = strspn(env, ":0123456789")) == 0) + return 0; + retlen += len; + for (*off = 0; len && isdigit(*env); len--) /* hours */ + *off = *off*10 + (*env++ - '0')*60*60; + if (len) { + if (*env++ != ':') + return 0; + len--; + } + for (n = 0; len && isdigit(*env); len--) /* minutes */ + n = n*10 + (*env++ - '0')*60; + *off += n; + if (len) { + if (*env++ != ':') + return 0; + len--; + } + for (n = 0; len && isdigit(*env); len--) /* seconds */ + n = n*10 + (*env++ - '0'); + *off = (*off + n)*sign; + return retlen; +} + +/* + * TZ=stdoffset[dst[offset][,start[/time],end[/time]]] + */ +void +tzset(void) +{ + char *env, *p, envbuf[128]; + int fd, i; + size_t len, retlen; + time_t off; + + /* + * get the TZ environment variable and check for validity. + * the implementation-defined manner for dealing with the + * leading ':' format is to reject it. + * if it's ok, stash a copy away for quick comparison next time. + */ + if ((env = getenv("TZ")) == 0) { + if ((fd = open(TZFILE, O_RDONLY)) == -1) + return; + if (read(fd, envbuf, sizeof(envbuf)-1) == -1) { + close(fd); + return; + } + close(fd); + for (i = 0; i < sizeof(envbuf); i++) { + if (envbuf[i] != '\n') + continue; + envbuf[i] = '\0'; + break; + } + env = envbuf; + } + if (strcmp(env, TZ) == 0) + return; + if (*env == 0 || *env == ':') + return; + strncpy(TZ, env, sizeof(TZ)-1); + TZ[sizeof(TZ)-1] = 0; + /* + * get the 'std' string. + * before committing, check there is a valid offset. + */ + if ((len = strcspn(env, ":0123456789,-+")) == 0) + return; + if ((retlen = offset(env+len, &off)) == 0) + return; + for (p = std, i = len+retlen; i; i--) + *p++ = *env++; + *p = 0; + tzoffset = -off; + /* + * get the 'dst' string (if any). + */ + if (*env == 0 || (len = strcspn(env, ":0123456789,-+")) == 0) + return; + for (p = dst; len; len--) + *p++ = *env++; + *p = 0; + /* + * optional dst offset. + * default is one hour. + */ + tzdst = 1; + if (retlen = offset(env+len, &off)) { + tzdstoffset = -off; + env += retlen; + } + else + tzdstoffset = tzoffset + 60*60; + /* + * optional rule(s) for start/end of dst. + */ + if (*env == 0 || *env != ',' || *(env+1) == 0) + return; + env++; + /* + * we could go on... + * but why bother? + */ +} diff --git a/sys/src/ape/lib/ap/power/cycles.s b/sys/src/ape/lib/ap/power/cycles.s new file mode 100755 index 000000000..b4ad52367 --- /dev/null +++ b/sys/src/ape/lib/ap/power/cycles.s @@ -0,0 +1,17 @@ +#define TBRL 268 +#define TBRU 269 /* Time base Upper/Lower (Reading) */ + +/* + * time stamp counter; _cycles since power up + * Runs at fasthz/4 cycles per second (m->clkin>>3) + */ +TEXT _cycles(SB),1,$0 +loop: + MOVW SPR(TBRU),R7 + MOVW SPR(TBRL),R8 + MOVW SPR(TBRU),R5 + CMP R5,R7 + BNE loop + MOVW R7,0(R3) + MOVW R8,4(R3) + RETURN diff --git a/sys/src/ape/lib/ap/power/getfcr.s b/sys/src/ape/lib/ap/power/getfcr.s new file mode 100755 index 000000000..b61d52e68 --- /dev/null +++ b/sys/src/ape/lib/ap/power/getfcr.s @@ -0,0 +1,28 @@ +TEXT getfcr(SB), $8 + MOVFL FPSCR, F3 + FMOVD F3, f-8(SP) + MOVW -4(SP), R3 + RETURN + +TEXT getfsr(SB), $8 + MOVFL FPSCR, F3 + FMOVD F3, f-8(SP) + MOVW -4(SP), R3 + RETURN + +TEXT setfcr(SB), $8 + SYNC + MOVW R3, -4(SP) + FMOVD -8(SP), F3 + MOVFL F3, FPSCR + ISYNC + RETURN + +TEXT setfsr(SB), $8 + SYNC + MOVW R3, -4(SP) + FMOVD -8(SP), F3 + MOVFL F3, FPSCR + ISYNC + RETURN + diff --git a/sys/src/ape/lib/ap/power/lock.c b/sys/src/ape/lib/ap/power/lock.c new file mode 100755 index 000000000..0d17c34d5 --- /dev/null +++ b/sys/src/ape/lib/ap/power/lock.c @@ -0,0 +1,45 @@ +#include "../plan9/lib.h" +#include "../plan9/sys9.h" +#define _LOCK_EXTENSION +#include <lock.h> + +int tas(int*); + +void +lock(Lock *lk) +{ + int i; + + /* once fast */ + if(!tas(&lk->val)) + return; + /* a thousand times pretty fast */ + for(i=0; i<1000; i++){ + if(!tas(&lk->val)) + return; + _SLEEP(0); + } + /* now nice and slow */ + for(i=0; i<1000; i++){ + if(!tas(&lk->val)) + return; + _SLEEP(100); + } + /* take your time */ + while(tas(&lk->val)) + _SLEEP(1000); +} + +int +canlock(Lock *lk) +{ + if(tas(&lk->val)) + return 0; + return 1; +} + +void +unlock(Lock *lk) +{ + lk->val = 0; +} diff --git a/sys/src/ape/lib/ap/power/main9.s b/sys/src/ape/lib/ap/power/main9.s new file mode 100755 index 000000000..ee493f5a8 --- /dev/null +++ b/sys/src/ape/lib/ap/power/main9.s @@ -0,0 +1,14 @@ +TEXT _main(SB), 1, $16 + + MOVW $setSB(SB), R2 + + BL _envsetup(SB) + MOVW inargc-4(FP), R3 + MOVW $inargv+0(FP), R4 + MOVW R3, 4(R1) + MOVW R4, 8(R1) + BL main(SB) +loop: + MOVW R3, 4(R1) + BL exit(SB) + BR loop diff --git a/sys/src/ape/lib/ap/power/main9p.s b/sys/src/ape/lib/ap/power/main9p.s new file mode 100755 index 000000000..865616980 --- /dev/null +++ b/sys/src/ape/lib/ap/power/main9p.s @@ -0,0 +1,46 @@ +#define NPRIVATES 16 + +GLOBL _tos(SB), $4 +GLOBL _privates(SB), $4 +GLOBL _nprivates(SB), $4 + +TEXT _mainp(SB), 1, $(3*4+NPRIVATES*4) + + MOVW $setSB(SB), R2 + + /* _tos = arg */ + MOVW R3, _tos(SB) + MOVW $8(SP), R1 + MOVW R1, _privates(SB) + MOVW $NPRIVATES, R1 + MOVW R1, _nprivates(SB) + + /* _profmain(); */ + BL _envsetup(SB) + + /* _tos->prof.pp = _tos->prof.next; */ + MOVW _tos+0(SB),R1 + MOVW 4(R1),R2 + MOVW R2,(R1) + + /* main(argc, argv, environ); */ + MOVW inargc-4(FP), R3 + MOVW $inargv+0(FP), R4 + MOVW environ(SB), R5 + MOVW R3, 4(R1) + MOVW R4, 8(R1) + MOVW R5, 12(R1) + BL main(SB) +loop: + MOVW R3, 4(R1) + BL exit(SB) + MOVW $_profin(SB), R4 /* force loading of profile */ + BR loop + +TEXT _savearg(SB), 1, $0 + RETURN + +TEXT _callpc(SB), 1, $0 + MOVW argp+0(FP), R3 + MOVW 4(R3), R3 + RETURN diff --git a/sys/src/ape/lib/ap/power/memcmp.s b/sys/src/ape/lib/ap/power/memcmp.s new file mode 100755 index 000000000..f524fa9d3 --- /dev/null +++ b/sys/src/ape/lib/ap/power/memcmp.s @@ -0,0 +1,110 @@ + TEXT memcmp(SB), $0 +#define BDNZ BC 16,0, + MOVW R3, s1+0(FP) /* R3 is pointer1 */ + +/* + * performance: + * 67mb/sec aligned; 16mb/sec unaligned + */ + + MOVW n+8(FP), R4 /* R4 is count */ + MOVW s2+4(FP), R5 /* R5 is pointer2 */ + +/* + * let LSW do the work for 4 characters or less; aligned and unaligned + */ + CMP R4, $0 + BLE eq + CMP R4, $4 + BLE out + + XOR R3, R5, R9 + ANDCC $3, R9 + BNE l4 /* pointers misaligned; use LSW loop */ + +/* + * do enough bytes to align pointers + */ + ANDCC $3,R3, R9 + BEQ l2 + SUBC R9, $4, R9 + MOVW R9, XER + LSW (R3), R10 + ADD R9, R3 + LSW (R5), R14 + ADD R9, R5 + SUB R9, R4 + CMPU R10, R14 + BNE ne + +/* + * compare 16 at a time + */ +l2: + SRAWCC $4, R4, R9 + BLE l4 + MOVW R9, CTR + SUB $4, R3 + SUB $4, R5 +l3: + MOVWU 4(R3), R10 + MOVWU 4(R5), R12 + MOVWU 4(R3), R11 + MOVWU 4(R5), R13 + CMPU R10, R12 + BNE ne + MOVWU 4(R3), R10 + MOVWU 4(R5), R12 + CMPU R11, R13 + BNE ne + MOVWU 4(R3), R11 + MOVWU 4(R5), R13 + CMPU R10, R12 + BNE ne + CMPU R11, R13 + BNE ne + BDNZ l3 + ADD $4, R3 + ADD $4, R5 + RLWNMCC $0, R4, $15, R4 /* residue */ + BEQ eq + +/* + * do remaining words with LSW; also does unaligned case + */ +l4: + SRAWCC $2, R4, R9 + BLE out + MOVW R9, CTR +l5: + LSW (R3), $4, R10 + ADD $4, R3 + LSW (R5), $4, R11 + ADD $4, R5 + CMPU R10, R11 + BNE ne + BDNZ l5 + RLWNMCC $0, R4, $3, R4 /* residue */ + BEQ eq + +/* + * do remaining bytes with final LSW + */ +out: + MOVW R4, XER + LSW (R3), R10 + LSW (R5), R11 + CMPU R10, R11 + BNE ne + +eq: + MOVW $0, R3 + RETURN + +ne: + MOVW $1, R3 + BGE ret + MOVW $-1,R3 +ret: + RETURN + END diff --git a/sys/src/ape/lib/ap/power/memmove.s b/sys/src/ape/lib/ap/power/memmove.s new file mode 100755 index 000000000..dd6167d7d --- /dev/null +++ b/sys/src/ape/lib/ap/power/memmove.s @@ -0,0 +1,170 @@ +#define BDNZ BC 16,0, + TEXT memmove(SB), $0 + BR move + + TEXT memcpy(SB), $0 +move: + +/* + * performance: + * (tba) + */ + + MOVW R3, s1+0(FP) + MOVW n+8(FP), R9 /* R9 is count */ + MOVW R3, R10 /* R10 is to-pointer */ + CMP R9, $0 + BEQ ret + BLT trap + MOVW s2+4(FP), R11 /* R11 is from-pointer */ + +/* + * if no more than 16 bytes, just use one lsw/stsw + */ + CMP R9, $16 + BLE fout + + ADD R9,R11, R13 /* R13 is end from-pointer */ + ADD R9,R10, R12 /* R12 is end to-pointer */ + +/* + * easiest test is copy backwards if + * destination string has higher mem address + */ + CMPU R10, R11 + BGT back + +/* + * test if both pointers + * are similarly word aligned + */ + XOR R10,R11, R7 + ANDCC $3,R7 + BNE fbad + +/* + * move a few bytes to align pointers + */ + ANDCC $3,R10,R7 + BEQ f2 + SUBC R7, $4, R7 + SUB R7, R9 + MOVW R7, XER + LSW (R11), R16 + ADD R7, R11 + STSW R16, (R10) + ADD R7, R10 + +/* + * turn R14 into doubleword count + * copy 16 bytes at a time while there's room. + */ +f2: + SRAWCC $4, R9, R14 + BLE fout + MOVW R14, CTR + SUB $4, R11 + SUB $4, R10 +f3: + MOVWU 4(R11), R16 + MOVWU R16, 4(R10) + MOVWU 4(R11), R17 + MOVWU R17, 4(R10) + MOVWU 4(R11), R16 + MOVWU R16, 4(R10) + MOVWU 4(R11), R17 + MOVWU R17, 4(R10) + BDNZ f3 + RLWNMCC $0, R9, $15, R9 /* residue */ + BEQ ret + ADD $4, R11 + ADD $4, R10 + +/* + * move up to 16 bytes through R16 .. R19; aligned and unaligned + */ +fout: + MOVW R9, XER + LSW (R11), R16 + STSW R16, (R10) + BR ret + +/* + * loop for unaligned copy, then copy up to 15 remaining bytes + */ +fbad: + SRAWCC $4, R9, R14 + BLE f6 + MOVW R14, CTR +f5: + LSW (R11), $16, R16 + ADD $16, R11 + STSW R16, $16, (R10) + ADD $16, R10 + BDNZ f5 + RLWNMCC $0, R9, $15, R9 /* residue */ + BEQ ret +f6: + MOVW R9, XER + LSW (R11), R16 + STSW R16, (R10) + BR ret + +/* + * whole thing repeated for backwards + */ +back: + CMP R9, $4 + BLT bout + + XOR R12,R13, R7 + ANDCC $3,R7 + BNE bout +b1: + ANDCC $3,R13, R7 + BEQ b2 + MOVBZU -1(R13), R16 + MOVBZU R16, -1(R12) + SUB $1, R9 + BR b1 +b2: + SRAWCC $4, R9, R14 + BLE b4 + MOVW R14, CTR +b3: + MOVWU -4(R13), R16 + MOVWU R16, -4(R12) + MOVWU -4(R13), R17 + MOVWU R17, -4(R12) + MOVWU -4(R13), R16 + MOVWU R16, -4(R12) + MOVWU -4(R13), R17 + MOVWU R17, -4(R12) + BDNZ b3 + RLWNMCC $0, R9, $15, R9 /* residue */ + BEQ ret +b4: + SRAWCC $2, R9, R14 + BLE bout + MOVW R14, CTR +b5: + MOVWU -4(R13), R16 + MOVWU R16, -4(R12) + BDNZ b5 + RLWNMCC $0, R9, $3, R9 /* residue */ + BEQ ret + +bout: + CMPU R13, R11 + BLE ret + MOVBZU -1(R13), R16 + MOVBZU R16, -1(R12) + BR bout + +trap: + MOVW $0, R0 + MOVW 0(R0), R0 + +ret: + MOVW s1+0(FP), R3 + RETURN diff --git a/sys/src/ape/lib/ap/power/memset.s b/sys/src/ape/lib/ap/power/memset.s new file mode 100755 index 000000000..fa6e8d920 --- /dev/null +++ b/sys/src/ape/lib/ap/power/memset.s @@ -0,0 +1,73 @@ + TEXT memset(SB),$0 +#define BDNZ BC 16,0, + MOVW R3, p+0(FP) /* R3 is pointer */ + +/* + * performance: + * about 100mbytes/sec (8k blocks) on a 603/105 without L2 cache + * drops to 40mbytes/sec (10k blocks) and 28mbytes/sec with 32k blocks + */ + + MOVW n+8(FP), R4 /* R4 is count */ + CMP R4, $0 + BLE ret + MOVW c+4(FP), R5 /* R5 is char */ + +/* + * create 16 copies of c in R5 .. R8 + */ + RLWNM $0, R5, $0xff, R5 + RLWMI $8, R5, $0xff00, R5 + RLWMI $16, R5, $0xffff0000, R5 + MOVW R5, R6 + MOVW R5, R7 + MOVW R5, R8 + +/* + * let STSW do the work for 16 characters or less; aligned and unaligned + */ + CMP R4, $16 + BLE out + +/* + * store enough bytes to align pointer + */ + ANDCC $7,R3, R9 + BEQ l2 + SUBC R9, $8, R9 + MOVW R9, XER + STSW R5, (R3) + ADD R9, R3 + SUB R9, R4 + +/* + * store 16 at a time while there's room + * STSW was used here originally, but it's `completion serialised' + */ +l2: + SRAWCC $4, R4, R9 + BLE out + MOVW R9, CTR +l3: + MOVW R5, 0(R3) + ADD $8, R3, R10 + MOVW R6, 4(R3) + MOVW R7, 0(R10) + ADD $8, R10, R3 + MOVW R8, 4(R10) + BDNZ l3 + RLWNMCC $0, R4, $15, R4 /* residue */ + BEQ ret + +/* + * store up to 16 bytes from R5 .. R8; aligned and unaligned + */ + +out: + MOVW R4, XER + STSW R5, (R3) + +ret: + MOVW 0(FP), R3 + RETURN + END diff --git a/sys/src/ape/lib/ap/power/mkfile b/sys/src/ape/lib/ap/power/mkfile new file mode 100755 index 000000000..cc546cd84 --- /dev/null +++ b/sys/src/ape/lib/ap/power/mkfile @@ -0,0 +1,23 @@ +APE=/sys/src/ape +<$APE/config +LIB=/$objtype/lib/ape/libap.a +OFILES=\ + cycles.$O\ + getfcr.$O\ + lock.$O\ + main9.$O\ + main9p.$O\ + memcmp.$O\ + memmove.$O\ + memset.$O\ + notetramp.$O\ + setjmp.$O\ + strcmp.$O\ + tas.$O\ + vlop.$O\ + vlrt.$O\ + +</sys/src/cmd/mksyslib + +CFLAGS=-c -D_POSIX_SOURCE -D_PLAN9_SOURCE + diff --git a/sys/src/ape/lib/ap/power/notetramp.c b/sys/src/ape/lib/ap/power/notetramp.c new file mode 100755 index 000000000..6477e1b14 --- /dev/null +++ b/sys/src/ape/lib/ap/power/notetramp.c @@ -0,0 +1,72 @@ +#include "../plan9/lib.h" +#include "../plan9/sys9.h" +#include <signal.h> +#include <setjmp.h> + +/* A stack to hold pcs when signals nest */ +#define MAXSIGSTACK 20 +typedef struct Pcstack Pcstack; +static struct Pcstack { + int sig; + void (*hdlr)(int, char*, Ureg*); + unsigned long restorepc; + Ureg *u; +} pcstack[MAXSIGSTACK]; +static int nstack = 0; + +static void notecont(Ureg*, char*); + +void +_notetramp(int sig, void (*hdlr)(int, char*, Ureg*), Ureg *u) +{ + Pcstack *p; + + if(nstack >= MAXSIGSTACK) + _NOTED(1); /* nesting too deep; just do system default */ + p = &pcstack[nstack]; + p->restorepc = u->pc; + p->sig = sig; + p->hdlr = hdlr; + p->u = u; + nstack++; + u->pc = (unsigned long) notecont; + _NOTED(2); /* NSAVE: clear note but hold state */ +} + +static void +notecont(Ureg *u, char *s) +{ + Pcstack *p; + void(*f)(int, char*, Ureg*); + + p = &pcstack[nstack-1]; + f = p->hdlr; + u->pc = p->restorepc; + nstack--; + (*f)(p->sig, s, u); + _NOTED(3); /* NRSTR */ +} + +#define JMPBUFPC 1 +#define JMPBUFSP 0 + +extern sigset_t _psigblocked; + +void +siglongjmp(sigjmp_buf j, int ret) +{ + struct Ureg *u; + + if(j[0]) + _psigblocked = j[1]; + if(nstack == 0 || pcstack[nstack-1].u->sp > j[2+JMPBUFSP]) + longjmp(j+2, ret); + u = pcstack[nstack-1].u; + nstack--; + u->r3 = ret; + if(ret == 0) + u->r3 = 1; + u->pc = j[2+JMPBUFPC]; + u->sp = j[2+JMPBUFSP]; + _NOTED(3); /* NRSTR */ +} diff --git a/sys/src/ape/lib/ap/power/setjmp.s b/sys/src/ape/lib/ap/power/setjmp.s new file mode 100755 index 000000000..0023afcf2 --- /dev/null +++ b/sys/src/ape/lib/ap/power/setjmp.s @@ -0,0 +1,37 @@ +TEXT setjmp(SB), 1, $-4 + MOVW LR, R4 + MOVW R1, (R3) + MOVW R4, 4(R3) + MOVW $0, R3 + RETURN + +TEXT sigsetjmp(SB), 1, $-4 + MOVW savemask+4(FP), R4 + MOVW R4, 0(R3) + MOVW $_psigblocked(SB), R4 + MOVW R4, 4(R3) + MOVW LR, R4 + MOVW R1, 8(R3) + MOVW R4, 12(R3) + MOVW $0, R3 + RETURN + +TEXT longjmp(SB), 1, $-4 + MOVW R3, R4 + MOVW r+4(FP), R3 + CMP R3, $0 + BNE ok /* ansi: "longjmp(0) => longjmp(1)" */ + MOVW $1, R3 /* bless their pointed heads */ +ok: MOVW (R4), R1 + MOVW 4(R4), R4 + MOVW R4, LR + BR (LR) + +/* + * trampoline functions because the kernel smashes r1 + * in the uregs given to notejmp + */ +TEXT __noterestore(SB), 1, $-4 + MOVW R4, R3 + MOVW R5, LR + BR (LR) diff --git a/sys/src/ape/lib/ap/power/strcmp.s b/sys/src/ape/lib/ap/power/strcmp.s new file mode 100755 index 000000000..0aef5b29c --- /dev/null +++ b/sys/src/ape/lib/ap/power/strcmp.s @@ -0,0 +1,21 @@ +TEXT strcmp(SB), $0 + + MOVW s2+4(FP), R4 + + SUB $1, R3 + SUB $1, R4 +l1: + MOVBZU 1(R3), R5 + MOVBZU 1(R4), R6 + CMP R5, R6 + BNE ne + CMP R5, $0 + BNE l1 + MOVW $0, R3 + RETURN +ne: + MOVW $1, R3 + BGT ret + MOVW $-1, R3 +ret: + RETURN diff --git a/sys/src/ape/lib/ap/power/tas.s b/sys/src/ape/lib/ap/power/tas.s new file mode 100755 index 000000000..09fb0c492 --- /dev/null +++ b/sys/src/ape/lib/ap/power/tas.s @@ -0,0 +1,16 @@ +TEXT tas(SB), $0 + SYNC + MOVW R3, R4 + MOVW $0xdeaddead,R5 +tas1: + DCBF (R4) /* fix for 603x bug */ + LWAR (R4), R3 + CMP R3, $0 + BNE tas0 + DCBT (R4) /* fix 405 errata cpu_210 */ + STWCCC R5, (R4) + BNE tas1 +tas0: + SYNC + ISYNC + RETURN diff --git a/sys/src/ape/lib/ap/power/vlop.s b/sys/src/ape/lib/ap/power/vlop.s new file mode 100755 index 000000000..9085da247 --- /dev/null +++ b/sys/src/ape/lib/ap/power/vlop.s @@ -0,0 +1,132 @@ +#define BDNZ BC 16,0, + +/* + * 64/64 division adapted from powerpc compiler writer's handbook + * + * (R3:R4) = (R3:R4) / (R5:R6) (64b) = (64b / 64b) + * quo dvd dvs + * + * Remainder is left in R7:R8 + * + * Code comment notation: + * msw = most-significant (high-order) word, i.e. bits 0..31 + * lsw = least-significant (low-order) word, i.e. bits 32..63 + * LZ = Leading Zeroes + * SD = Significant Digits + * + * R3:R4 = dvd (input dividend); quo (output quotient) + * R5:R6 = dvs (input divisor) + * + * R7:R8 = tmp; rem (output remainder) + */ + +TEXT _divu64(SB), $0 + MOVW a+0(FP), R3 + MOVW a+4(FP), R4 + MOVW b+8(FP), R5 + MOVW b+12(FP), R6 + + /* count the number of leading 0s in the dividend */ + CMP R3, $0 /* dvd.msw == 0? R3, */ + CNTLZW R3, R11 /* R11 = dvd.msw.LZ */ + CNTLZW R4, R9 /* R9 = dvd.lsw.LZ */ + BNE lab1 /* if(dvd.msw != 0) dvd.LZ = dvd.msw.LZ */ + ADD $32, R9, R11 /* dvd.LZ = dvd.lsw.LZ + 32 */ + +lab1: + /* count the number of leading 0s in the divisor */ + CMP R5, $0 /* dvd.msw == 0? */ + CNTLZW R5, R9 /* R9 = dvs.msw.LZ */ + CNTLZW R6, R10 /* R10 = dvs.lsw.LZ */ + BNE lab2 /* if(dvs.msw != 0) dvs.LZ = dvs.msw.LZ */ + ADD $32, R10, R9 /* dvs.LZ = dvs.lsw.LZ + 32 */ + +lab2: + /* determine shift amounts to minimize the number of iterations */ + CMP R11, R9 /* compare dvd.LZ to dvs.LZ */ + SUBC R11, $64, R10 /* R10 = dvd.SD */ + BGT lab9 /* if(dvs > dvd) quotient = 0 */ + ADD $1, R9 /* ++dvs.LZ (or --dvs.SD) */ + SUBC R9, $64, R9 /* R9 = dvs.SD */ + ADD R9, R11 /* (dvd.LZ + dvs.SD) = left shift of dvd for */ + /* initial dvd */ + SUB R9, R10, R9 /* (dvd.SD - dvs.SD) = right shift of dvd for */ + /* initial tmp */ + MOVW R9, CTR /* number of iterations = dvd.SD - dvs.SD */ + + /* R7:R8 = R3:R4 >> R9 */ + CMP R9, $32 + ADD $-32, R9, R7 + BLT lab3 /* if(R9 < 32) jump to lab3 */ + SRW R7, R3, R8 /* tmp.lsw = dvd.msw >> (R9 - 32) */ + MOVW $0, R7 /* tmp.msw = 0 */ + BR lab4 +lab3: + SRW R9, R4, R8 /* R8 = dvd.lsw >> R9 */ + SUBC R9, $32, R7 + SLW R7, R3, R7 /* R7 = dvd.msw << 32 - R9 */ + OR R7, R8 /* tmp.lsw = R8 | R7 */ + SRW R9, R3, R7 /* tmp.msw = dvd.msw >> R9 */ + +lab4: + /* R3:R4 = R3:R4 << R11 */ + CMP R11,$32 + ADDC $-32, R11, R9 + BLT lab5 /* (R11 < 32)? */ + SLW R9, R4, R3 /* dvd.msw = dvs.lsw << R9 */ + MOVW $0, R4 /* dvd.lsw = 0 */ + BR lab6 + +lab5: + SLW R11, R3 /* R3 = dvd.msw << R11 */ + SUBC R11, $32, R9 + SRW R9, R4, R9 /* R9 = dvd.lsw >> 32 - R11 */ + OR R9, R3 /* dvd.msw = R3 | R9 */ + SLW R11, R4 /* dvd.lsw = dvd.lsw << R11 */ + +lab6: + /* restoring division shift and subtract loop */ + MOVW $-1, R10 + ADDC $0, R7 /* clear carry bit before loop starts */ +lab7: + /* tmp:dvd is considered one large register */ + /* each portion is shifted left 1 bit by adding it to itself */ + /* adde sums the carry from the previous and creates a new carry */ + ADDE R4,R4 /* shift dvd.lsw left 1 bit */ + ADDE R3,R3 /* shift dvd.msw to left 1 bit */ + ADDE R8,R8 /* shift tmp.lsw to left 1 bit */ + ADDE R7,R7 /* shift tmp.msw to left 1 bit */ + SUBC R6, R8, R11 /* tmp.lsw - dvs.lsw */ + SUBECC R5, R7, R9 /* tmp.msw - dvs.msw */ + BLT lab8 /* if(result < 0) clear carry bit */ + MOVW R11, R8 /* move lsw */ + MOVW R9, R7 /* move msw */ + ADDC $1, R10, R11 /* set carry bit */ +lab8: + BDNZ lab7 + + ADDE R4,R4 /* quo.lsw (lsb = CA) */ + ADDE R3,R3 /* quo.msw (lsb from lsw) */ + +lab10: + MOVW qp+16(FP), R9 + MOVW rp+20(FP), R10 + CMP R9, $0 + BEQ lab11 + MOVW R3, 0(R9) + MOVW R4, 4(R9) +lab11: + CMP R10, $0 + BEQ lab12 + MOVW R7, 0(R10) + MOVW R8, 4(R10) +lab12: + RETURN + +lab9: + /* Quotient is 0 (dvs > dvd) */ + MOVW R4, R8 /* rmd.lsw = dvd.lsw */ + MOVW R3, R7 /* rmd.msw = dvd.msw */ + MOVW $0, R4 /* dvd.lsw = 0 */ + MOVW $0, R3 /* dvd.msw = 0 */ + BR lab10 diff --git a/sys/src/ape/lib/ap/power/vlrt.c b/sys/src/ape/lib/ap/power/vlrt.c new file mode 100755 index 000000000..681a3b49b --- /dev/null +++ b/sys/src/ape/lib/ap/power/vlrt.c @@ -0,0 +1,254 @@ +typedef unsigned long ulong; +typedef unsigned int uint; +typedef unsigned short ushort; +typedef unsigned char uchar; +typedef signed char schar; + +#define SIGN(n) (1UL<<(n-1)) + +typedef struct Vlong Vlong; +struct Vlong +{ + ulong hi; + ulong lo; +}; + +void abort(void); +void _divu64(Vlong, Vlong, Vlong*, Vlong*); + +void +_d2v(Vlong *y, double d) +{ + union { double d; Vlong; } x; + ulong xhi, xlo, ylo, yhi; + int sh; + + x.d = d; + + xhi = (x.hi & 0xfffff) | 0x100000; + xlo = x.lo; + sh = 1075 - ((x.hi >> 20) & 0x7ff); + + ylo = 0; + yhi = 0; + if(sh >= 0) { + /* v = (hi||lo) >> sh */ + if(sh < 32) { + if(sh == 0) { + ylo = xlo; + yhi = xhi; + } else { + ylo = (xlo >> sh) | (xhi << (32-sh)); + yhi = xhi >> sh; + } + } else { + if(sh == 32) { + ylo = xhi; + } else + if(sh < 64) { + ylo = xhi >> (sh-32); + } + } + } else { + /* v = (hi||lo) << -sh */ + sh = -sh; + if(sh <= 10) { + ylo = xlo << sh; + yhi = (xhi << sh) | (xlo >> (32-sh)); + } else { + /* overflow */ + yhi = d; /* causes something awful */ + } + } + if(x.hi & SIGN(32)) { + if(ylo != 0) { + ylo = -ylo; + yhi = ~yhi; + } else + yhi = -yhi; + } + + y->hi = yhi; + y->lo = ylo; +} + +void +_f2v(Vlong *y, float f) +{ + + _d2v(y, f); +} + +double +_v2d(Vlong x) +{ + if(x.hi & SIGN(32)) { + if(x.lo) { + x.lo = -x.lo; + x.hi = ~x.hi; + } else + x.hi = -x.hi; + return -((long)x.hi*4294967296. + x.lo); + } + return (long)x.hi*4294967296. + x.lo; +} + +float +_v2f(Vlong x) +{ + return _v2d(x); +} + +void +_divvu(Vlong *q, Vlong n, Vlong d) +{ + + if(n.hi == 0 && d.hi == 0) { + q->hi = 0; + q->lo = n.lo / d.lo; + return; + } + _divu64(n, d, q, 0); +} + +void +_modvu(Vlong *r, Vlong n, Vlong d) +{ + + if(n.hi == 0 && d.hi == 0) { + r->hi = 0; + r->lo = n.lo % d.lo; + return; + } + _divu64(n, d, 0, r); +} + +static void +vneg(Vlong *v) +{ + + if(v->lo == 0) { + v->hi = -v->hi; + return; + } + v->lo = -v->lo; + v->hi = ~v->hi; +} + +void +_divv(Vlong *q, Vlong n, Vlong d) +{ + long nneg, dneg; + + if(n.hi == (((long)n.lo)>>31) && d.hi == (((long)d.lo)>>31)) { + q->lo = (long)n.lo / (long)d.lo; + q->hi = ((long)q->lo) >> 31; + return; + } + nneg = n.hi >> 31; + if(nneg) + vneg(&n); + dneg = d.hi >> 31; + if(dneg) + vneg(&d); + _divu64(n, d, q, 0); + if(nneg != dneg) + vneg(q); +} + +void +_modv(Vlong *r, Vlong n, Vlong d) +{ + long nneg, dneg; + + if(n.hi == (((long)n.lo)>>31) && d.hi == (((long)d.lo)>>31)) { + r->lo = (long)n.lo % (long)d.lo; + r->hi = ((long)r->lo) >> 31; + return; + } + nneg = n.hi >> 31; + if(nneg) + vneg(&n); + dneg = d.hi >> 31; + if(dneg) + vneg(&d); + _divu64(n, d, 0, r); + if(nneg) + vneg(r); +} + +void +_vasop(Vlong *ret, void *lv, void fn(Vlong*, Vlong, Vlong), int type, Vlong rv) +{ + Vlong t, u; + + u = *ret; + switch(type) { + default: + abort(); + break; + + case 1: /* schar */ + t.lo = *(schar*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(schar*)lv = u.lo; + break; + + case 2: /* uchar */ + t.lo = *(uchar*)lv; + t.hi = 0; + fn(&u, t, rv); + *(uchar*)lv = u.lo; + break; + + case 3: /* short */ + t.lo = *(short*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(short*)lv = u.lo; + break; + + case 4: /* ushort */ + t.lo = *(ushort*)lv; + t.hi = 0; + fn(&u, t, rv); + *(ushort*)lv = u.lo; + break; + + case 9: /* int */ + t.lo = *(int*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(int*)lv = u.lo; + break; + + case 10: /* uint */ + t.lo = *(uint*)lv; + t.hi = 0; + fn(&u, t, rv); + *(uint*)lv = u.lo; + break; + + case 5: /* long */ + t.lo = *(long*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(long*)lv = u.lo; + break; + + case 6: /* ulong */ + t.lo = *(ulong*)lv; + t.hi = 0; + fn(&u, t, rv); + *(ulong*)lv = u.lo; + break; + + case 7: /* vlong */ + case 8: /* uvlong */ + fn(&u, *(Vlong*)lv, rv); + *(Vlong*)lv = u; + break; + } + *ret = u; +} diff --git a/sys/src/ape/lib/ap/sparc/cycles.c b/sys/src/ape/lib/ap/sparc/cycles.c new file mode 100755 index 000000000..1c32bc732 --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/cycles.c @@ -0,0 +1,5 @@ +void +_cycles(unsigned long long *u) +{ + *u = 0; +} diff --git a/sys/src/ape/lib/ap/sparc/lock.c b/sys/src/ape/lib/ap/sparc/lock.c new file mode 100755 index 000000000..91c0ba233 --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/lock.c @@ -0,0 +1,26 @@ +#define _LOCK_EXTENSION +#include "../plan9/sys9.h" +#include <lock.h> + +int tas(int*); + +void +lock(Lock *lk) +{ + while(tas(&lk->val)) + _SLEEP(0); +} + +int +canlock(Lock *lk) +{ + if(tas(&lk->val)) + return 0; + return 1; +} + +void +unlock(Lock *lk) +{ + lk->val = 0; +} diff --git a/sys/src/ape/lib/ap/sparc/main9.s b/sys/src/ape/lib/ap/sparc/main9.s new file mode 100755 index 000000000..24a9f6f53 --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/main9.s @@ -0,0 +1,14 @@ + TEXT _main(SB), $16 + MOVW $setSB(SB), R2 + JMPL _envsetup(SB) + MOVW inargc-4(FP), R7 + MOVW $inargv+0(FP), R8 + MOVW R7, 4(R1) + MOVW R8, 8(R1) + JMPL main(SB) + +loop: + MOVW R7, 4(R1) + JMPL exit(SB) + MOVW $_mul(SB),R7 + JMP loop diff --git a/sys/src/ape/lib/ap/sparc/main9p.s b/sys/src/ape/lib/ap/sparc/main9p.s new file mode 100755 index 000000000..17cc3e2af --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/main9p.s @@ -0,0 +1,53 @@ +#define NPRIVATES 16 + +GLOBL _tos(SB), $4 +GLOBL _privates(SB), $4 +GLOBL _nprivates(SB), $4 + +TEXT _mainp(SB), 1, $(3*4+NPRIVATES*4) + MOVW $setSB(SB), R2 + + /* _tos = arg */ + MOVW R7, _tos(SB) +/* + MOVW _fpsr+0(SB), FSR + FMOVD $0.5, F26 + FSUBD F26, F26, F24 + FADDD F26, F26, F28 + FADDD F28, F28, F30 +*/ + MOVW $8(SP), R1 + MOVW R1, _privates(SB) + MOVW $NPRIVATES, R1 + MOVW R1, _nprivates(SB) + + /* _profmain(); */ + JMPL _profmain(SB) + + /* _tos->prof.pp = _tos->prof.next; */ + MOVW _tos+0(SB),R7 + MOVW 4(R7),R8 + MOVW R8,(R7) + + JMPL _envsetup(SB) + + /* main(argc, argv, environ); */ + MOVW inargc-4(FP), R7 + MOVW $inargv+0(FP), R8 + MOVW environ(SB), R9 + MOVW R8, 8(R1) + MOVW R9, 12(R1) + JMPL main(SB) + +loop: + JMPL exit(SB) + MOVW $_mul(SB), R0 /* force loading of muldiv */ + MOVW $_profin(SB), R0 /* force loading of profile */ + JMP loop + +TEXT _savearg(SB), 1, $0 + RETURN + +TEXT _callpc(SB), 1, $0 + MOVW argp-4(FP), R7 + RETURN diff --git a/sys/src/ape/lib/ap/sparc/memchr.s b/sys/src/ape/lib/ap/sparc/memchr.s new file mode 100755 index 000000000..81e67f6f2 --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/memchr.s @@ -0,0 +1,26 @@ + TEXT memchr(SB), $0 + +MOVW R7, 0(FP) + MOVW n+8(FP), R7 + SUBCC R0,R7, R0 + BE ret + MOVW s1+0(FP), R8 + MOVBU c+7(FP), R9 + ADD R7,R8, R11 + +l1: + MOVBU (R8), R10 + SUBCC R9,R10, R0 + ADD $1, R8 + BE eq + SUBCC R8,R11, R0 + BNE l1 + + MOVW R0, R7 + RETURN + +eq: + SUB $1,R8, R7 + +ret: + RETURN diff --git a/sys/src/ape/lib/ap/sparc/memcmp.s b/sys/src/ape/lib/ap/sparc/memcmp.s new file mode 100755 index 000000000..2b470d549 --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/memcmp.s @@ -0,0 +1,122 @@ +#define Bxx BE + + TEXT memcmp(SB), $0 + +/* + * performance: + * (tba) + */ + +MOVW R7, 0(FP) + MOVW n+8(FP), R9 /* R9 is count */ + MOVW s1+0(FP), R10 /* R10 is pointer1 */ + MOVW s2+4(FP), R11 /* R11 is pointer2 */ + ADD R9,R10, R12 /* R12 is end pointer1 */ + +/* + * if not at least 4 chars, + * dont even mess around. + * 3 chars to guarantee any + * rounding up to a word + * boundary and 4 characters + * to get at least maybe one + * full word cmp. + */ + SUBCC $4,R9, R0 + BL out + +/* + * test if both pointers + * are similarly word alligned + */ + XOR R10,R11, R7 + ANDCC $3,R7, R0 + BNE out + +/* + * byte at a time to word allign + */ +l1: + ANDCC $3,R10, R0 + BE l2 + MOVB 0(R10), R16 + MOVB 0(R11), R17 + ADD $1, R10 + SUBCC R16,R17, R0 + BNE ne + ADD $1, R11 + JMP l1 + +/* + * turn R9 into end pointer1-15 + * cmp 16 at a time while theres room + */ +l2: + SUB $15,R12, R9 +l3: + SUBCC R10,R9, R0 + BLEU l4 + MOVW 0(R10), R16 + MOVW 0(R11), R17 + MOVW 4(R10), R18 + SUBCC R16,R17, R0 + BNE ne + MOVW 4(R11), R19 + MOVW 8(R10), R16 + SUBCC R18,R19, R0 + BNE ne + MOVW 8(R11), R17 + MOVW 12(R10), R18 + SUBCC R16,R17, R0 + BNE ne + MOVW 12(R11), R19 + ADD $16, R10 + SUBCC R18,R19, R0 + BNE ne + SUBCC R16,R17, R0 + BNE ne + ADD $16, R11 + JMP l3 + +/* + * turn R9 into end pointer1-3 + * cmp 4 at a time while theres room + */ +l4: + SUB $3,R12, R9 +l5: + SUBCC R10,R9, R0 + BLEU out + MOVW 0(R10), R16 + MOVW 0(R11), R17 + ADD $4, R10 + SUBCC R16,R17, R0 /* only works because big endian */ + BNE ne + ADD $4, R11 + JMP l5 + +/* + * last loop, cmp byte at a time + */ +out: + SUBCC R10,R12, R0 + BE zero + MOVB 0(R10), R16 + MOVB 0(R11), R17 + ADD $1, R10 + SUBCC R16,R17, R0 + BNE ne + ADD $1, R11 + JMP out + +ne: + BG plus + MOVW $1, R7 + RETURN +plus: + MOVW $-1, R7 + RETURN + +zero: + MOVW R0, R7 + RETURN diff --git a/sys/src/ape/lib/ap/sparc/memmove.s b/sys/src/ape/lib/ap/sparc/memmove.s new file mode 100755 index 000000000..8879a74e8 --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/memmove.s @@ -0,0 +1,169 @@ + TEXT memmove(SB), $0 + JMP move + + TEXT memcpy(SB), $0 +move: + +/* + * performance: + * (tba) + */ + + MOVW R7, s1+0(FP) + MOVW n+8(FP), R9 /* R9 is count */ + MOVW R7, R10 /* R10 is to-pointer */ + SUBCC R0,R9, R0 + BGE ok + MOVW 0(R0), R0 + +ok: + MOVW s2+4(FP), R11 /* R11 is from-pointer */ + ADD R9,R11, R13 /* R13 is end from-pointer */ + ADD R9,R10, R12 /* R12 is end to-pointer */ + +/* + * easiest test is copy backwards if + * destination string has higher mem address + */ + SUBCC R11,R10, R0 + BGU back + +/* + * if not at least 4 chars, + * dont even mess around. + * 3 chars to guarantee any + * rounding up to a word + * boundary and 4 characters + * to get at least maybe one + * full word store. + */ + SUBCC $4,R9, R0 + BL fout + +/* + * test if both pointers + * are similarly word aligned + */ + XOR R10,R11, R7 + ANDCC $3,R7, R0 + BNE fout + +/* + * byte at a time to word align + */ +f1: + ANDCC $3,R10, R0 + BE f2 + MOVB 0(R11), R16 + ADD $1, R11 + MOVB R16, 0(R10) + ADD $1, R10 + JMP f1 + +/* + * turn R9 into to-end pointer-15 + * copy 16 at a time while theres room. + * R12 is smaller than R13 -- + * there are problems if R13 is 0. + */ +f2: + SUB $15,R12, R9 +f3: + SUBCC R10,R9, R0 + BLEU f4 + MOVW 0(R11), R16 + MOVW 4(R11), R17 + MOVW R16, 0(R10) + MOVW 8(R11), R16 + MOVW R17, 4(R10) + MOVW 12(R11), R17 + ADD $16, R11 + MOVW R16, 8(R10) + MOVW R17, 12(R10) + ADD $16, R10 + JMP f3 + +/* + * turn R9 into to-end pointer-3 + * copy 4 at a time while theres room + */ +f4: + SUB $3,R12, R9 +f5: + SUBCC R10,R9, R0 + BLEU fout + MOVW 0(R11), R16 + ADD $4, R11 + MOVW R16, 0(R10) + ADD $4, R10 + JMP f5 + +/* + * last loop, copy byte at a time + */ +fout: + SUBCC R11,R13, R0 + BLEU ret + MOVB 0(R11), R16 + ADD $1, R11 + MOVB R16, 0(R10) + ADD $1, R10 + JMP fout + +/* + * whole thing repeated for backwards + */ +back: + SUBCC $4,R9, R0 + BL bout + + XOR R12,R13, R7 + ANDCC $3,R7, R0 + BNE bout +b1: + ANDCC $3,R13, R0 + BE b2 + MOVB -1(R13), R16 + SUB $1, R13 + MOVB R16, -1(R12) + SUB $1, R12 + JMP b1 +b2: + ADD $15,R11, R9 +b3: + SUBCC R9,R13, R0 + BLEU b4 + MOVW -4(R13), R16 + MOVW -8(R13), R17 + MOVW R16, -4(R12) + MOVW -12(R13), R16 + MOVW R17, -8(R12) + MOVW -16(R13), R17 + SUB $16, R13 + MOVW R16, -12(R12) + MOVW R17, -16(R12) + SUB $16, R12 + JMP b3 +b4: + ADD $3,R11, R9 +b5: + SUBCC R9,R13, R0 + BLEU bout + MOVW -4(R13), R16 + SUB $4, R13 + MOVW R16, -4(R12) + SUB $4, R12 + JMP b5 + +bout: + SUBCC R11,R13, R0 + BLEU ret + MOVB -1(R13), R16 + SUB $1, R13 + MOVB R16, -1(R12) + SUB $1, R12 + JMP bout + +ret: + MOVW s1+0(FP), R7 + RETURN diff --git a/sys/src/ape/lib/ap/sparc/memset.s b/sys/src/ape/lib/ap/sparc/memset.s new file mode 100755 index 000000000..8c7b26c86 --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/memset.s @@ -0,0 +1,88 @@ + TEXT memset(SB),$0 + +/* + * performance: + * (tba) + */ + +MOVW R7, 0(FP) + MOVW n+8(FP), R9 /* R9 is count */ + MOVW p+0(FP), R10 /* R10 is pointer */ + MOVW c+4(FP), R11 /* R11 is char */ + ADD R9,R10, R12 /* R12 is end pointer */ + +/* + * if not at least 4 chars, + * dont even mess around. + * 3 chars to guarantee any + * rounding up to a word + * boundary and 4 characters + * to get at least maybe one + * full word store. + */ + SUBCC $4,R9, R0 + BL out + +/* + * turn R11 into a word of characters + */ + AND $0xff, R11 + SLL $8,R11, R7 + OR R7, R11 + SLL $16,R11, R7 + OR R7, R11 + +/* + * store one byte at a time until pointer + * is alligned on a word boundary + */ +l1: + ANDCC $3,R10, R0 + BE l2 + MOVB R11, 0(R10) + ADD $1, R10 + JMP l1 + +/* + * turn R9 into end pointer-15 + * store 16 at a time while theres room + */ +l2: + ADD $-15,R12, R9 + SUBCC R10,R9, R0 + BLEU l4 +l3: + MOVW R11, 0(R10) + MOVW R11, 4(R10) + ADD $16, R10 + SUBCC R10,R9, R0 + MOVW R11, -8(R10) + MOVW R11, -4(R10) + BGU l3 + +/* + * turn R9 into end pointer-3 + * store 4 at a time while theres room + */ +l4: + ADD $-3,R12, R9 +l5: + SUBCC R10,R9, R0 + BLEU out + MOVW R11, 0(R10) + ADD $4, R10 + JMP l5 + +/* + * last loop, store byte at a time + */ +out: + SUBCC R10,R12, R0 + BLEU ret + MOVB R11, 0(R10) + ADD $1, R10 + JMP out + +ret: + MOVW s1+0(FP), R7 + RETURN diff --git a/sys/src/ape/lib/ap/sparc/mkfile b/sys/src/ape/lib/ap/sparc/mkfile new file mode 100755 index 000000000..9723ec2c3 --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/mkfile @@ -0,0 +1,26 @@ +APE=/sys/src/ape +<$APE/config +LIB=/$objtype/lib/ape/libap.a +OFILES=\ + cycles.$O\ + lock.$O\ + main9.$O\ + main9p.$O\ + memchr.$O\ + memcmp.$O\ + memmove.$O\ + memset.$O\ + muldiv.$O\ + notetramp.$O\ + setjmp.$O\ + strchr.$O\ + strcmp.$O\ + strcpy.$O\ + tas.$O\ + vlop.$O\ + vlrt.$O\ + +</sys/src/cmd/mksyslib + +CFLAGS=-c -D_POSIX_SOURCE -D_PLAN9_SOURCE + diff --git a/sys/src/ape/lib/ap/sparc/muldiv.s b/sys/src/ape/lib/ap/sparc/muldiv.s new file mode 100755 index 000000000..ac811629f --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/muldiv.s @@ -0,0 +1,310 @@ +/* + * ulong + * _udiv(ulong num, ulong den) + * { + * int i; + * ulong quo; + * + * if(den == 0) + * *(ulong*)-1 = 0; + * quo = num; + * if(quo > 1<<(32-1)) + * quo = 1<<(32-1); + * for(i=0; den<quo; i++) + * den <<= 1; + * quo = 0; + * for(; i>=0; i--) { + * quo <<= 1; + * if(num >= den) { + * num -= den; + * quo |= 1; + * } + * den >>= 1; + * } + * return quo::num; + * } + */ + +#define NOPROF 1 + +/* + * calling sequence: + * num: 4(R1) + * den: 8(R1) + * returns + * quo: 4(R1) + * rem: 8(R1) + */ +TEXT _udivmod(SB), NOPROF, $-4 + + MOVW $(1<<31), R11 + MOVW 4(R1), R13 /* numerator */ + MOVW 8(R1), R10 /* denominator */ + CMP R10, R0 + BNE udm20 + MOVW R0, -1(R0) /* fault -- divide by zero */ +udm20: + MOVW R13, R12 + CMP R13, R11 + BLEU udm34 + MOVW R11, R12 +udm34: + MOVW R0, R11 +udm38: + CMP R10, R12 + BCC udm54 + SLL $1, R10 + ADD $1, R11 + BA udm38 +udm54: + MOVW R0, R12 +udm58: + CMP R11, R0 + BL udm8c + SLL $1, R12 + CMP R13, R10 + BCS udm7c + SUB R10, R13 + OR $1, R12 +udm7c: + SRL $1, R10 + SUB $1, R11 + BA udm58 +udm8c: + MOVW R12, 4(R1) /* quotent */ + MOVW R13, 8(R1) /* remainder */ + JMPL 8(R15) + +/* + * save working registers + * and bring in num/den parameters + */ +TEXT _unsarg(SB), NOPROF, $-4 + MOVW R10, 12(R1) + MOVW R11, 16(R1) + MOVW R12, 20(R1) + MOVW R13, 24(R1) + + MOVW R14, 4(R1) + MOVW 32(R1), R14 + MOVW R14, 8(R1) + + JMPL 8(R15) + +/* + * save working registers + * and bring in absolute value + * of num/den parameters + */ +TEXT _absarg(SB), NOPROF, $-4 + MOVW R10, 12(R1) + MOVW R11, 16(R1) + MOVW R12, 20(R1) + MOVW R13, 24(R1) + + MOVW R14, 28(R1) + CMP R14, R0 + BGE ab1 + SUB R14, R0, R14 +ab1: + MOVW R14, 4(R1) /* numerator */ + + MOVW 32(R1), R14 + CMP R14, R0 + BGE ab2 + SUB R14, R0, R14 +ab2: + MOVW R14, 8(R1) /* denominator */ + JMPL 8(R15) + +/* + * restore registers and + * return to original caller + * answer is in R14 + */ +TEXT _retarg(SB), NOPROF, $-4 + MOVW 12(R1), R10 + MOVW 16(R1), R11 + MOVW 20(R1), R12 + MOVW 24(R1), R13 + MOVW 0(R1), R15 + + ADD $28, R1 + JMP 8(R15) /* back to main sequence */ + +/* + * calling sequence + * num: R14 + * den: 8(R1) + * returns + * quo: R14 + */ +TEXT _div(SB), NOPROF, $-4 + SUB $28, R1 /* 4 reg save, 2 parameters, link */ + MOVW R15, 0(R1) + + JMPL _absarg(SB) + JMPL _udivmod(SB) + MOVW 4(R1), R14 + + MOVW 28(R1), R10 /* clean up the sign */ + MOVW 32(R1), R11 + XORCC R11, R10, R0 + BGE div1 + SUB R14, R0, R14 +div1: + + JMPL _retarg(SB) + JMP 8(R15) /* not executed */ + +/* + * calling sequence + * num: R14 + * den: 8(R1) + * returns + * quo: R14 + */ +TEXT _divl(SB), NOPROF, $-4 + SUB $((4+2+1)*4), R1 /* 4 reg save, 2 parameters, link */ + MOVW R15, 0(R1) + + JMPL _unsarg(SB) + JMPL _udivmod(SB) + MOVW 4(R1), R14 + + JMPL _retarg(SB) + JMP 8(R15) /* not executed */ + +/* + * calling sequence + * num: R14 + * den: 8(R1) + * returns + * rem: R14 + */ +TEXT _mod(SB), NOPROF, $-4 + SUB $28, R1 /* 4 reg save, 2 parameters, link */ + + MOVW R15, 0(R1) + JMPL _absarg(SB) + JMPL _udivmod(SB) + MOVW 8(R1), R14 + + MOVW 28(R1), R10 /* clean up the sign */ + CMP R10, R0 + BGE mod1 + SUB R14, R0, R14 +mod1: + + JMPL _retarg(SB) + JMP 8(R15) /* not executed */ + +/* + * calling sequence + * num: R14 + * den: 8(R1) + * returns + * rem: R14 + */ +TEXT _modl(SB), NOPROF, $-4 + SUB $28, R1 /* 4 reg save, 2 parameters, link */ + + + MOVW R15, 0(R1) + JMPL _unsarg(SB) + JMPL _udivmod(SB) + MOVW 8(R1), R14 + + JMPL _retarg(SB) + JMP 8(R15) /* not executed */ + +/* + * special calling sequence: + * arg1 in R14 + * arg2 in 4(R1), will save R9 + * nothing in 0(R1), will save R8 + * result in R14 + */ +TEXT _mul+0(SB), NOPROF, $-4 + + /* + * exchange stack and registers + */ + MOVW R8, 0(R1) + MOVW 4(R1), R8 + MOVW R9, 4(R1) + + CMP R14, R8 + BLE mul1 + MOVW R14, R9 + MOVW R8, R14 + MOVW R9, R8 +mul1: + MOVW R14, Y + ANDNCC $0xFFF, R14, R0 + BE mul_shortway + ANDCC R0, R0, R9 /* zero partial product and clear N and V cond's */ + + /* long multiply */ + MULSCC R8, R9, R9 /* 0 */ + MULSCC R8, R9, R9 /* 1 */ + MULSCC R8, R9, R9 /* 2 */ + MULSCC R8, R9, R9 /* 3 */ + MULSCC R8, R9, R9 /* 4 */ + MULSCC R8, R9, R9 /* 5 */ + MULSCC R8, R9, R9 /* 6 */ + MULSCC R8, R9, R9 /* 7 */ + MULSCC R8, R9, R9 /* 8 */ + MULSCC R8, R9, R9 /* 9 */ + MULSCC R8, R9, R9 /* 10 */ + MULSCC R8, R9, R9 /* 11 */ + MULSCC R8, R9, R9 /* 12 */ + MULSCC R8, R9, R9 /* 13 */ + MULSCC R8, R9, R9 /* 14 */ + MULSCC R8, R9, R9 /* 15 */ + MULSCC R8, R9, R9 /* 16 */ + MULSCC R8, R9, R9 /* 17 */ + MULSCC R8, R9, R9 /* 18 */ + MULSCC R8, R9, R9 /* 19 */ + MULSCC R8, R9, R9 /* 20 */ + MULSCC R8, R9, R9 /* 21 */ + MULSCC R8, R9, R9 /* 22 */ + MULSCC R8, R9, R9 /* 23 */ + MULSCC R8, R9, R9 /* 24 */ + MULSCC R8, R9, R9 /* 25 */ + MULSCC R8, R9, R9 /* 26 */ + MULSCC R8, R9, R9 /* 27 */ + MULSCC R8, R9, R9 /* 28 */ + MULSCC R8, R9, R9 /* 29 */ + MULSCC R8, R9, R9 /* 30 */ + MULSCC R8, R9, R9 /* 31 */ + MULSCC R0, R9, R9 /* 32; shift only */ + + MOVW Y, R14 /* get low part */ + BA mul_return + +mul_shortway: + ANDCC R0, R0, R9 /* zero partial product and clear N and V cond's */ + MULSCC R8, R9, R9 /* 0 */ + MULSCC R8, R9, R9 /* 1 */ + MULSCC R8, R9, R9 /* 2 */ + MULSCC R8, R9, R9 /* 3 */ + MULSCC R8, R9, R9 /* 4 */ + MULSCC R8, R9, R9 /* 5 */ + MULSCC R8, R9, R9 /* 6 */ + MULSCC R8, R9, R9 /* 7 */ + MULSCC R8, R9, R9 /* 8 */ + MULSCC R8, R9, R9 /* 9 */ + MULSCC R8, R9, R9 /* 10 */ + MULSCC R8, R9, R9 /* 11 */ + MULSCC R0, R9, R9 /* 12; shift only */ + + MOVW Y, R8 + SLL $12, R9 + SRL $20, R8 + OR R8, R9, R14 + +mul_return: + MOVW 0(R1), R8 + MOVW 4(R1), R9 + JMP 8(R15) diff --git a/sys/src/ape/lib/ap/sparc/notetramp.c b/sys/src/ape/lib/ap/sparc/notetramp.c new file mode 100755 index 000000000..c033d62cb --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/notetramp.c @@ -0,0 +1,81 @@ +#include "../plan9/lib.h" +#include "../plan9/sys9.h" +#include <signal.h> +#include <setjmp.h> + +/* A stack to hold pcs when signals nest */ +#define MAXSIGSTACK 20 +typedef struct Pcstack Pcstack; +static struct Pcstack { + int sig; + void (*hdlr)(int, char*, Ureg*); + unsigned long restorepc; + unsigned long restorenpc; + Ureg *u; +} pcstack[MAXSIGSTACK]; +static int nstack = 0; + +static void notecont(Ureg*, char*); + +void +_notetramp(int sig, void (*hdlr)(int, char*, Ureg*), Ureg *u) +{ + Pcstack *p; + + if(nstack >= MAXSIGSTACK) + _NOTED(1); /* nesting too deep; just do system default */ + p = &pcstack[nstack]; + p->restorepc = u->pc; + p->restorenpc = u->npc; + p->sig = sig; + p->hdlr = hdlr; + p->u = u; + nstack++; + u->pc = (unsigned long) notecont; + u->npc = u->pc+4; + _NOTED(2); /* NSAVE: clear note but hold state */ +} + +static void +notecont(Ureg *u, char *s) +{ + Pcstack *p; + void(*f)(int, char*, Ureg*); + + p = &pcstack[nstack-1]; + f = p->hdlr; + u->pc = p->restorepc; + u->npc = p->restorenpc; + nstack--; + (*f)(p->sig, s, u); + _NOTED(3); /* NRSTR */ +} + +int __noterestore(void); + +#define JMPBUFPC 1 +#define JMPBUFSP 0 +#define JMPBUFDPC (-8) + +extern sigset_t _psigblocked; + +void +siglongjmp(sigjmp_buf j, int ret) +{ + struct Ureg *u; + + if(j[0]) + _psigblocked = j[1]; + if(nstack == 0 || pcstack[nstack-1].u->sp > j[2+JMPBUFSP]) + longjmp(j+2, ret); + u = pcstack[nstack-1].u; + nstack--; + u->r8 = ret; + if(ret == 0) + u->r8 = 1; + u->r9 = j[JMPBUFPC] - JMPBUFDPC; + u->pc = (unsigned long)__noterestore; + u->npc = (unsigned long)__noterestore + 4; + u->sp = j[JMPBUFSP]; + _NOTED(3); /* NRSTR */ +} diff --git a/sys/src/ape/lib/ap/sparc/setjmp.s b/sys/src/ape/lib/ap/sparc/setjmp.s new file mode 100755 index 000000000..8194a1d20 --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/setjmp.s @@ -0,0 +1,36 @@ +TEXT setjmp(SB), 1, $0 + + MOVW R1, (R7) + MOVW R15, 4(R7) + MOVW $0, R7 + RETURN + +TEXT sigsetjmp(SB), 1, $0 + + MOVW savemask+4(FP), R8 + MOVW R8, 0(R7) + MOVW $_psigblocked(SB), R8 + MOVW R8, 4(R7) + MOVW R1, 8(R7) + MOVW R15, 12(R7) + MOVW $0, R7 + RETURN + +TEXT longjmp(SB), 1, $0 + + MOVW R7, R8 + MOVW r+4(FP), R7 + CMP R7, R0 + BNE ok /* ansi: "longjmp(0) => longjmp(1)" */ + MOVW $1, R7 /* bless their pointed heads */ +ok: MOVW (R8), R1 + MOVW 4(R8), R15 + RETURN + +/* + * trampoline functions because the kernel smashes r7 + * in the uregs given to notejmp + */ +TEXT __noterestore(SB), 1, $-4 + MOVW R8, R7 + JMP (R9) diff --git a/sys/src/ape/lib/ap/sparc/strchr.s b/sys/src/ape/lib/ap/sparc/strchr.s new file mode 100755 index 000000000..192beab13 --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/strchr.s @@ -0,0 +1,73 @@ + TEXT strchr(SB), $0 + +MOVW R7, 0(FP) + MOVB c+7(FP), R10 + MOVW s+0(FP), R9 + + SUBCC R0,R10, R0 + BE l2 + +/* + * char is not null + */ +l1: + MOVB (R9), R7 + ADD $1, R9 + SUBCC R0,R7, R0 + BE ret + SUBCC R7,R10, R0 + BNE l1 + JMP rm1 + +/* + * char is null + * align to word + */ +l2: + ANDCC $3,R9, R0 + BE l3 + MOVB (R9), R7 + ADD $1, R9 + SUBCC R0,R7, R0 + BNE l2 + JMP rm1 + +/* + * develop byte masks + */ +l3: + MOVW $0xff, R17 + SLL $8,R17, R16 + SLL $16,R17, R13 + SLL $24,R17, R12 + +l4: + MOVW (R9), R11 + ADD $4, R9 + ANDCC R12,R11, R0 + BE b0 + ANDCC R13,R11, R0 + BE b1 + ANDCC R16,R11, R0 + BE b2 + ANDCC R17,R11, R0 + BNE l4 + +rm1: + SUB $1,R9, R7 + JMP ret + +b2: + SUB $2,R9, R7 + JMP ret + +b1: + SUB $3,R9, R7 + JMP ret + +b0: + SUB $4,R9, R7 + JMP ret + +ret: + RETURN diff --git a/sys/src/ape/lib/ap/sparc/strcmp.s b/sys/src/ape/lib/ap/sparc/strcmp.s new file mode 100755 index 000000000..e9539ebf8 --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/strcmp.s @@ -0,0 +1,27 @@ +TEXT strcmp(SB), $0 + + MOVW s2+4(FP), R10 + +l1: + MOVB 0(R7), R8 + MOVB 0(R10), R9 + ADD $1, R7 + ADD $1, R10 + + CMP R8, R9 + BNE l2 + + CMP R8, $0 + BNE l1 + + MOVW R0, R7 + RETURN + +l2: + BLEU l3 + MOVW $1, R7 + RETURN + +l3: + MOVW $-1, R7 + RETURN diff --git a/sys/src/ape/lib/ap/sparc/strcpy.s b/sys/src/ape/lib/ap/sparc/strcpy.s new file mode 100755 index 000000000..6fd6aef05 --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/strcpy.s @@ -0,0 +1,84 @@ + TEXT strcpy(SB), $0 + +MOVW R7, 0(FP) + MOVW s1+0(FP), R9 /* R9 is to pointer */ + MOVW s2+4(FP), R10 /* R10 is from pointer */ + +/* + * test if both pointers + * are similarly word aligned + */ + XOR R9,R10, R7 + ANDCC $3,R7, R0 + BNE una + +/* + * make byte masks + */ + MOVW $0xff, R17 + SLL $8,R17, R16 + SLL $16,R17, R13 + SLL $24,R17, R12 + +/* + * byte at a time to word align + */ +al1: + ANDCC $3,R10, R0 + BE al2 + MOVB (R10), R11 + ADD $1, R10 + MOVB R11, (R9) + ADD $1, R9 + SUBCC R0,R11, R0 + BNE al1 + JMP out + +/* + * word at a time + */ +al2: + ADD $4, R9 + MOVW (R10), R11 /* fetch */ + ADD $4, R10 + ANDCC R12,R11, R0 /* is it byte 0 */ + BE b0 + ANDCC R13,R11, R0 /* is it byte 1 */ + BE b1 + ANDCC R16,R11, R0 /* is it byte 2 */ + BE b2 + MOVW R11, -4(R9) /* store */ + ANDCC R17,R11, R0 /* is it byte 3 */ + BNE al2 + + JMP out + +b0: + MOVB R0, -4(R9) + JMP out + +b1: + SRL $24, R11 + MOVB R11, -4(R9) + MOVB R0, -3(R9) + JMP out + +b2: + SRL $24,R11, R7 + MOVB R7, -4(R9) + SRL $16, R11 + MOVB R11, -3(R9) + MOVB R0, -2(R9) + JMP out + +una: + MOVB (R10), R11 + ADD $1, R10 + MOVB R11, (R9) + ADD $1, R9 + SUBCC R0,R11, R0 + BNE una + +out: + MOVW s1+0(FP),R7 + RETURN diff --git a/sys/src/ape/lib/ap/sparc/tas.s b/sys/src/ape/lib/ap/sparc/tas.s new file mode 100755 index 000000000..70cce835d --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/tas.s @@ -0,0 +1,7 @@ +/* + * tas uses LDSTUB + */ + TEXT tas(SB),$-4 + + TAS (R7),R7 + RETURN diff --git a/sys/src/ape/lib/ap/sparc/vlop.s b/sys/src/ape/lib/ap/sparc/vlop.s new file mode 100755 index 000000000..ac36b4143 --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/vlop.s @@ -0,0 +1,112 @@ +TEXT _mulv(SB), $0 + MOVW u1+8(FP), R8 + MOVW u2+16(FP), R13 + + MOVW R13, R16 /* save low parts for later */ + MOVW R8, R12 + + /* + * unsigned 32x32 => 64 multiply + */ + CMP R13, R8 + BLE mul1 + MOVW R12, R13 + MOVW R16, R8 +mul1: + MOVW R13, Y + ANDNCC $0xFFF, R13, R0 + BE mul_shortway + ANDCC R0, R0, R9 /* zero partial product and clear N and V cond's */ + + /* long multiply */ + MULSCC R8, R9, R9 /* 0 */ + MULSCC R8, R9, R9 /* 1 */ + MULSCC R8, R9, R9 /* 2 */ + MULSCC R8, R9, R9 /* 3 */ + MULSCC R8, R9, R9 /* 4 */ + MULSCC R8, R9, R9 /* 5 */ + MULSCC R8, R9, R9 /* 6 */ + MULSCC R8, R9, R9 /* 7 */ + MULSCC R8, R9, R9 /* 8 */ + MULSCC R8, R9, R9 /* 9 */ + MULSCC R8, R9, R9 /* 10 */ + MULSCC R8, R9, R9 /* 11 */ + MULSCC R8, R9, R9 /* 12 */ + MULSCC R8, R9, R9 /* 13 */ + MULSCC R8, R9, R9 /* 14 */ + MULSCC R8, R9, R9 /* 15 */ + MULSCC R8, R9, R9 /* 16 */ + MULSCC R8, R9, R9 /* 17 */ + MULSCC R8, R9, R9 /* 18 */ + MULSCC R8, R9, R9 /* 19 */ + MULSCC R8, R9, R9 /* 20 */ + MULSCC R8, R9, R9 /* 21 */ + MULSCC R8, R9, R9 /* 22 */ + MULSCC R8, R9, R9 /* 23 */ + MULSCC R8, R9, R9 /* 24 */ + MULSCC R8, R9, R9 /* 25 */ + MULSCC R8, R9, R9 /* 26 */ + MULSCC R8, R9, R9 /* 27 */ + MULSCC R8, R9, R9 /* 28 */ + MULSCC R8, R9, R9 /* 29 */ + MULSCC R8, R9, R9 /* 30 */ + MULSCC R8, R9, R9 /* 31 */ + MULSCC R0, R9, R9 /* 32; shift only; r9 is high part */ + + /* + * need to correct top word if top bit set + */ + CMP R8, R0 + BGE mul_tstlow + ADD R13, R9 /* adjust the high parts */ + +mul_tstlow: + MOVW Y, R13 /* get low part */ + BA mul_done + +mul_shortway: + ANDCC R0, R0, R9 /* zero partial product and clear N and V cond's */ + MULSCC R8, R9, R9 /* 0 */ + MULSCC R8, R9, R9 /* 1 */ + MULSCC R8, R9, R9 /* 2 */ + MULSCC R8, R9, R9 /* 3 */ + MULSCC R8, R9, R9 /* 4 */ + MULSCC R8, R9, R9 /* 5 */ + MULSCC R8, R9, R9 /* 6 */ + MULSCC R8, R9, R9 /* 7 */ + MULSCC R8, R9, R9 /* 8 */ + MULSCC R8, R9, R9 /* 9 */ + MULSCC R8, R9, R9 /* 10 */ + MULSCC R8, R9, R9 /* 11 */ + MULSCC R0, R9, R9 /* 12; shift only; r9 is high part */ + + MOVW Y, R8 /* make low part of partial low part & high part */ + SLL $12, R9, R13 + SRL $20, R8 + OR R8, R13 + + SRA $20, R9 /* high part */ + +mul_done: + + /* + * mul by high halves if needed + */ + MOVW R13, 4(R7) + MOVW u2+12(FP), R11 + CMP R11, R0 + BE nomul1 + MUL R11, R12 + ADD R12, R9 + +nomul1: + MOVW u1+4(FP), R11 + CMP R11, R0 + BE nomul2 + MUL R11, R16 + ADD R16, R9 + +nomul2: + + MOVW R9, 0(R7) + RETURN diff --git a/sys/src/ape/lib/ap/sparc/vlrt.c b/sys/src/ape/lib/ap/sparc/vlrt.c new file mode 100755 index 000000000..6fbd83ca8 --- /dev/null +++ b/sys/src/ape/lib/ap/sparc/vlrt.c @@ -0,0 +1,718 @@ +typedef unsigned long ulong; +typedef unsigned int uint; +typedef unsigned short ushort; +typedef unsigned char uchar; +typedef signed char schar; + +#define SIGN(n) (1UL<<(n-1)) + +typedef struct Vlong Vlong; +struct Vlong +{ + union + { + struct + { + ulong hi; + ulong lo; + }; + struct + { + ushort hims; + ushort hils; + ushort loms; + ushort lols; + }; + }; +}; + +void abort(void); + +void +_addv(Vlong *r, Vlong a, Vlong b) +{ + ulong lo, hi; + + lo = a.lo + b.lo; + hi = a.hi + b.hi; + if(lo < a.lo) + hi++; + r->lo = lo; + r->hi = hi; +} + +void +_subv(Vlong *r, Vlong a, Vlong b) +{ + ulong lo, hi; + + lo = a.lo - b.lo; + hi = a.hi - b.hi; + if(lo > a.lo) + hi--; + r->lo = lo; + r->hi = hi; +} + +void +_d2v(Vlong *y, double d) +{ + union { double d; struct Vlong; } x; + ulong xhi, xlo, ylo, yhi; + int sh; + + x.d = d; + + xhi = (x.hi & 0xfffff) | 0x100000; + xlo = x.lo; + sh = 1075 - ((x.hi >> 20) & 0x7ff); + + ylo = 0; + yhi = 0; + if(sh >= 0) { + /* v = (hi||lo) >> sh */ + if(sh < 32) { + if(sh == 0) { + ylo = xlo; + yhi = xhi; + } else { + ylo = (xlo >> sh) | (xhi << (32-sh)); + yhi = xhi >> sh; + } + } else { + if(sh == 32) { + ylo = xhi; + } else + if(sh < 64) { + ylo = xhi >> (sh-32); + } + } + } else { + /* v = (hi||lo) << -sh */ + sh = -sh; + if(sh <= 10) { + ylo = xlo << sh; + yhi = (xhi << sh) | (xlo >> (32-sh)); + } else { + /* overflow */ + yhi = d; /* causes something awful */ + } + } + if(x.hi & SIGN(32)) { + if(ylo != 0) { + ylo = -ylo; + yhi = ~yhi; + } else + yhi = -yhi; + } + + y->hi = yhi; + y->lo = ylo; +} + +void +_f2v(Vlong *y, float f) +{ + + _d2v(y, f); +} + +double +_v2d(Vlong x) +{ + if(x.hi & SIGN(32)) { + if(x.lo) { + x.lo = -x.lo; + x.hi = ~x.hi; + } else + x.hi = -x.hi; + return -((long)x.hi*4294967296. + x.lo); + } + return (long)x.hi*4294967296. + x.lo; +} + +float +_v2f(Vlong x) +{ + return _v2d(x); +} + +static void +dodiv(Vlong num, Vlong den, Vlong *q, Vlong *r) +{ + ulong numlo, numhi, denhi, denlo, quohi, quolo, t; + int i; + + numhi = num.hi; + numlo = num.lo; + denhi = den.hi; + denlo = den.lo; + + /* + * get a divide by zero + */ + if(denlo==0 && denhi==0) { + numlo = numlo / denlo; + } + + /* + * set up the divisor and find the number of iterations needed + */ + if(numhi >= SIGN(32)) { + quohi = SIGN(32); + quolo = 0; + } else { + quohi = numhi; + quolo = numlo; + } + i = 0; + while(denhi < quohi || (denhi == quohi && denlo < quolo)) { + denhi = (denhi<<1) | (denlo>>31); + denlo <<= 1; + i++; + } + + quohi = 0; + quolo = 0; + for(; i >= 0; i--) { + quohi = (quohi<<1) | (quolo>>31); + quolo <<= 1; + if(numhi > denhi || (numhi == denhi && numlo >= denlo)) { + t = numlo; + numlo -= denlo; + if(numlo > t) + numhi--; + numhi -= denhi; + quolo |= 1; + } + denlo = (denlo>>1) | (denhi<<31); + denhi >>= 1; + } + + if(q) { + q->lo = quolo; + q->hi = quohi; + } + if(r) { + r->lo = numlo; + r->hi = numhi; + } +} + +void +_divvu(Vlong *q, Vlong n, Vlong d) +{ + + if(n.hi == 0 && d.hi == 0) { + q->hi = 0; + q->lo = n.lo / d.lo; + return; + } + dodiv(n, d, q, 0); +} + +void +_modvu(Vlong *r, Vlong n, Vlong d) +{ + + if(n.hi == 0 && d.hi == 0) { + r->hi = 0; + r->lo = n.lo % d.lo; + return; + } + dodiv(n, d, 0, r); +} + +static void +vneg(Vlong *v) +{ + + if(v->lo == 0) { + v->hi = -v->hi; + return; + } + v->lo = -v->lo; + v->hi = ~v->hi; +} + +void +_divv(Vlong *q, Vlong n, Vlong d) +{ + long nneg, dneg; + + if(n.hi == (((long)n.lo)>>31) && d.hi == (((long)d.lo)>>31)) { + q->lo = (long)n.lo / (long)d.lo; + q->hi = ((long)q->lo) >> 31; + return; + } + nneg = n.hi >> 31; + if(nneg) + vneg(&n); + dneg = d.hi >> 31; + if(dneg) + vneg(&d); + dodiv(n, d, q, 0); + if(nneg != dneg) + vneg(q); +} + +void +_modv(Vlong *r, Vlong n, Vlong d) +{ + long nneg, dneg; + + if(n.hi == (((long)n.lo)>>31) && d.hi == (((long)d.lo)>>31)) { + r->lo = (long)n.lo % (long)d.lo; + r->hi = ((long)r->lo) >> 31; + return; + } + nneg = n.hi >> 31; + if(nneg) + vneg(&n); + dneg = d.hi >> 31; + if(dneg) + vneg(&d); + dodiv(n, d, 0, r); + if(nneg) + vneg(r); +} + +void +_rshav(Vlong *r, Vlong a, int b) +{ + long t; + + t = a.hi; + if(b >= 32) { + r->hi = t>>31; + if(b >= 64) { + /* this is illegal re C standard */ + r->lo = t>>31; + return; + } + r->lo = t >> (b-32); + return; + } + if(b <= 0) { + r->hi = t; + r->lo = a.lo; + return; + } + r->hi = t >> b; + r->lo = (t << (32-b)) | (a.lo >> b); +} + +void +_rshlv(Vlong *r, Vlong a, int b) +{ + ulong t; + + t = a.hi; + if(b >= 32) { + r->hi = 0; + if(b >= 64) { + /* this is illegal re C standard */ + r->lo = 0; + return; + } + r->lo = t >> (b-32); + return; + } + if(b <= 0) { + r->hi = t; + r->lo = a.lo; + return; + } + r->hi = t >> b; + r->lo = (t << (32-b)) | (a.lo >> b); +} + +void +_lshv(Vlong *r, Vlong a, int b) +{ + ulong t; + + t = a.lo; + if(b >= 32) { + r->lo = 0; + if(b >= 64) { + /* this is illegal re C standard */ + r->hi = 0; + return; + } + r->hi = t << (b-32); + return; + } + if(b <= 0) { + r->lo = t; + r->hi = a.hi; + return; + } + r->lo = t << b; + r->hi = (t >> (32-b)) | (a.hi << b); +} + +void +_andv(Vlong *r, Vlong a, Vlong b) +{ + r->hi = a.hi & b.hi; + r->lo = a.lo & b.lo; +} + +void +_orv(Vlong *r, Vlong a, Vlong b) +{ + r->hi = a.hi | b.hi; + r->lo = a.lo | b.lo; +} + +void +_xorv(Vlong *r, Vlong a, Vlong b) +{ + r->hi = a.hi ^ b.hi; + r->lo = a.lo ^ b.lo; +} + +void +_vpp(Vlong *l, Vlong *r) +{ + + l->hi = r->hi; + l->lo = r->lo; + r->lo++; + if(r->lo == 0) + r->hi++; +} + +void +_vmm(Vlong *l, Vlong *r) +{ + + l->hi = r->hi; + l->lo = r->lo; + if(r->lo == 0) + r->hi--; + r->lo--; +} + +void +_ppv(Vlong *l, Vlong *r) +{ + + r->lo++; + if(r->lo == 0) + r->hi++; + l->hi = r->hi; + l->lo = r->lo; +} + +void +_mmv(Vlong *l, Vlong *r) +{ + + if(r->lo == 0) + r->hi--; + r->lo--; + l->hi = r->hi; + l->lo = r->lo; +} + +void +_vasop(Vlong *ret, void *lv, void fn(Vlong*, Vlong, Vlong), int type, Vlong rv) +{ + Vlong t, u; + + u = *ret; + switch(type) { + default: + abort(); + break; + + case 1: /* schar */ + t.lo = *(schar*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(schar*)lv = u.lo; + break; + + case 2: /* uchar */ + t.lo = *(uchar*)lv; + t.hi = 0; + fn(&u, t, rv); + *(uchar*)lv = u.lo; + break; + + case 3: /* short */ + t.lo = *(short*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(short*)lv = u.lo; + break; + + case 4: /* ushort */ + t.lo = *(ushort*)lv; + t.hi = 0; + fn(&u, t, rv); + *(ushort*)lv = u.lo; + break; + + case 9: /* int */ + t.lo = *(int*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(int*)lv = u.lo; + break; + + case 10: /* uint */ + t.lo = *(uint*)lv; + t.hi = 0; + fn(&u, t, rv); + *(uint*)lv = u.lo; + break; + + case 5: /* long */ + t.lo = *(long*)lv; + t.hi = t.lo >> 31; + fn(&u, t, rv); + *(long*)lv = u.lo; + break; + + case 6: /* ulong */ + t.lo = *(ulong*)lv; + t.hi = 0; + fn(&u, t, rv); + *(ulong*)lv = u.lo; + break; + + case 7: /* vlong */ + case 8: /* uvlong */ + fn(&u, *(Vlong*)lv, rv); + *(Vlong*)lv = u; + break; + } + *ret = u; +} + +void +_p2v(Vlong *ret, void *p) +{ + long t; + + t = (ulong)p; + ret->lo = t; + ret->hi = 0; +} + +void +_sl2v(Vlong *ret, long sl) +{ + long t; + + t = sl; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_ul2v(Vlong *ret, ulong ul) +{ + long t; + + t = ul; + ret->lo = t; + ret->hi = 0; +} + +void +_si2v(Vlong *ret, int si) +{ + long t; + + t = si; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_ui2v(Vlong *ret, uint ui) +{ + long t; + + t = ui; + ret->lo = t; + ret->hi = 0; +} + +void +_sh2v(Vlong *ret, long sh) +{ + long t; + + t = (sh << 16) >> 16; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_uh2v(Vlong *ret, ulong ul) +{ + long t; + + t = ul & 0xffff; + ret->lo = t; + ret->hi = 0; +} + +void +_sc2v(Vlong *ret, long uc) +{ + long t; + + t = (uc << 24) >> 24; + ret->lo = t; + ret->hi = t >> 31; +} + +void +_uc2v(Vlong *ret, ulong ul) +{ + long t; + + t = ul & 0xff; + ret->lo = t; + ret->hi = 0; +} + +long +_v2sc(Vlong rv) +{ + long t; + + t = rv.lo & 0xff; + return (t << 24) >> 24; +} + +long +_v2uc(Vlong rv) +{ + + return rv.lo & 0xff; +} + +long +_v2sh(Vlong rv) +{ + long t; + + t = rv.lo & 0xffff; + return (t << 16) >> 16; +} + +long +_v2uh(Vlong rv) +{ + + return rv.lo & 0xffff; +} + +long +_v2sl(Vlong rv) +{ + + return rv.lo; +} + +long +_v2ul(Vlong rv) +{ + + return rv.lo; +} + +long +_v2si(Vlong rv) +{ + + return rv.lo; +} + +long +_v2ui(Vlong rv) +{ + + return rv.lo; +} + +int +_testv(Vlong rv) +{ + return rv.lo || rv.hi; +} + +int +_eqv(Vlong lv, Vlong rv) +{ + return lv.lo == rv.lo && lv.hi == rv.hi; +} + +int +_nev(Vlong lv, Vlong rv) +{ + return lv.lo != rv.lo || lv.hi != rv.hi; +} + +int +_ltv(Vlong lv, Vlong rv) +{ + return (long)lv.hi < (long)rv.hi || + (lv.hi == rv.hi && lv.lo < rv.lo); +} + +int +_lev(Vlong lv, Vlong rv) +{ + return (long)lv.hi < (long)rv.hi || + (lv.hi == rv.hi && lv.lo <= rv.lo); +} + +int +_gtv(Vlong lv, Vlong rv) +{ + return (long)lv.hi > (long)rv.hi || + (lv.hi == rv.hi && lv.lo > rv.lo); +} + +int +_gev(Vlong lv, Vlong rv) +{ + return (long)lv.hi > (long)rv.hi || + (lv.hi == rv.hi && lv.lo >= rv.lo); +} + +int +_lov(Vlong lv, Vlong rv) +{ + return lv.hi < rv.hi || + (lv.hi == rv.hi && lv.lo < rv.lo); +} + +int +_lsv(Vlong lv, Vlong rv) +{ + return lv.hi < rv.hi || + (lv.hi == rv.hi && lv.lo <= rv.lo); +} + +int +_hiv(Vlong lv, Vlong rv) +{ + return lv.hi > rv.hi || + (lv.hi == rv.hi && lv.lo > rv.lo); +} + +int +_hsv(Vlong lv, Vlong rv) +{ + return lv.hi > rv.hi || + (lv.hi == rv.hi && lv.lo >= rv.lo); +} diff --git a/sys/src/ape/lib/ap/stdio/_IO_getc.c b/sys/src/ape/lib/ap/stdio/_IO_getc.c new file mode 100755 index 000000000..3f99922c2 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/_IO_getc.c @@ -0,0 +1,30 @@ +/* + * pANS stdio -- _IO_getc + */ +#include "iolib.h" +int _IO_getc(FILE *f){ + int cnt, n; + switch(f->state){ + default: /* CLOSED, WR, ERR, EOF */ + return EOF; + case OPEN: + _IO_setvbuf(f); + case RDWR: + case RD: + if(f->flags&STRING) return EOF; + if(f->buf == f->unbuf) + n = 1; + else + n = f->bufl; + cnt=read(f->fd, f->buf, n); + switch(cnt){ + case -1: f->state=ERR; return EOF; + case 0: f->state=END; return EOF; + default: + f->state=RD; + f->rp=f->buf; + f->wp=f->buf+cnt; + return (*f->rp++)&_IO_CHMASK; + } + } +} diff --git a/sys/src/ape/lib/ap/stdio/_IO_putc.c b/sys/src/ape/lib/ap/stdio/_IO_putc.c new file mode 100755 index 000000000..8cef77fd3 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/_IO_putc.c @@ -0,0 +1,106 @@ +/* + * pANS stdio -- _IO_putc, _IO_cleanup + */ +#include "iolib.h" + +void _IO_cleanup(void){ + fflush(NULL); +} +/* + * Look this over for simplification + */ +int _IO_putc(int c, FILE *f){ + int cnt; + static int first=1; + switch(f->state){ + case RD: + f->state=ERR; + case ERR: + case CLOSED: + return EOF; + case OPEN: + _IO_setvbuf(f); + /* fall through */ + case RDWR: + case END: + f->rp=f->buf+f->bufl; + if(f->flags&LINEBUF){ + f->wp=f->rp; + f->lp=f->buf; + } + else + f->wp=f->buf; + break; + } + if(first){ + atexit(_IO_cleanup); + first=0; + } + if(f->flags&STRING){ + f->rp=f->buf+f->bufl; + if(f->wp==f->rp){ + if(f->flags&BALLOC) + f->buf=realloc(f->buf, f->bufl+BUFSIZ); + else{ + f->state=ERR; + return EOF; + } + if(f->buf==NULL){ + f->state=ERR; + return EOF; + } + f->rp=f->buf+f->bufl; + f->bufl+=BUFSIZ; + } + *f->wp++=c; + } + else if(f->flags&LINEBUF){ + if(f->lp==f->rp){ + cnt=f->lp-f->buf; + if(f->flags&APPEND) lseek(f->fd, 0L, SEEK_END); + if(cnt!=0 && write(f->fd, f->buf, cnt)!=cnt){ + f->state=ERR; + return EOF; + } + f->lp=f->buf; + } + *f->lp++=c; + if(c=='\n'){ + cnt=f->lp-f->buf; + if(f->flags&APPEND) lseek(f->fd, 0L, SEEK_END); + if(cnt!=0 && write(f->fd, f->buf, cnt)!=cnt){ + f->state=ERR; + return EOF; + } + f->lp=f->buf; + } + } + else if(f->buf==f->unbuf){ + f->unbuf[0]=c; + if(f->flags&APPEND) lseek(f->fd, 0L, SEEK_END); + if(write(f->fd, f->buf, 1)!=1){ + f->state=ERR; + return EOF; + } + } + else{ + if(f->wp==f->rp){ + cnt=f->wp-f->buf; + if(f->flags&APPEND) lseek(f->fd, 0L, SEEK_END); + if(cnt!=0 && write(f->fd, f->buf, cnt)!=cnt){ + f->state=ERR; + return EOF; + } + f->wp=f->buf; + f->rp=f->buf+f->bufl; + } + *f->wp++=c; + } + f->state=WR; + /* + * Make sure EOF looks different from putc(-1) + * Should be able to cast to unsigned char, but + * there's a vc bug preventing that from working + */ + return c&0xff; +} diff --git a/sys/src/ape/lib/ap/stdio/_dtoa.c b/sys/src/ape/lib/ap/stdio/_dtoa.c new file mode 100755 index 000000000..fe147789b --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/_dtoa.c @@ -0,0 +1,744 @@ +#include "fconv.h" + +static int quorem(Bigint *, Bigint *); + +/* dtoa for IEEE arithmetic (dmg): convert double to ASCII string. + * + * Inspired by "How to Print Floating-Point Numbers Accurately" by + * Guy L. Steele, Jr. and Jon L. White [Proc. ACM SIGPLAN '90, pp. 92-101]. + * + * Modifications: + * 1. Rather than iterating, we use a simple numeric overestimate + * to determine k = floor(log10(d)). We scale relevant + * quantities using O(log2(k)) rather than O(k) multiplications. + * 2. For some modes > 2 (corresponding to ecvt and fcvt), we don't + * try to generate digits strictly left to right. Instead, we + * compute with fewer bits and propagate the carry if necessary + * when rounding the final digit up. This is often faster. + * 3. Under the assumption that input will be rounded nearest, + * mode 0 renders 1e23 as 1e23 rather than 9.999999999999999e22. + * That is, we allow equality in stopping tests when the + * round-nearest rule will give the same floating-point value + * as would satisfaction of the stopping test with strict + * inequality. + * 4. We remove common factors of powers of 2 from relevant + * quantities. + * 5. When converting floating-point integers less than 1e16, + * we use floating-point arithmetic rather than resorting + * to multiple-precision integers. + * 6. When asked to produce fewer than 15 digits, we first try + * to get by with floating-point arithmetic; we resort to + * multiple-precision integer arithmetic only if we cannot + * guarantee that the floating-point calculation has given + * the correctly rounded result. For k requested digits and + * "uniformly" distributed input, the probability is + * something like 10^(k-15) that we must resort to the long + * calculation. + */ + + char * +_dtoa(double darg, int mode, int ndigits, int *decpt, int *sign, char **rve) +{ + /* Arguments ndigits, decpt, sign are similar to those + of ecvt and fcvt; trailing zeros are suppressed from + the returned string. If not null, *rve is set to point + to the end of the return value. If d is +-Infinity or NaN, + then *decpt is set to 9999. + + mode: + 0 ==> shortest string that yields d when read in + and rounded to nearest. + 1 ==> like 0, but with Steele & White stopping rule; + e.g. with IEEE P754 arithmetic , mode 0 gives + 1e23 whereas mode 1 gives 9.999999999999999e22. + 2 ==> max(1,ndigits) significant digits. This gives a + return value similar to that of ecvt, except + that trailing zeros are suppressed. + 3 ==> through ndigits past the decimal point. This + gives a return value similar to that from fcvt, + except that trailing zeros are suppressed, and + ndigits can be negative. + 4-9 should give the same return values as 2-3, i.e., + 4 <= mode <= 9 ==> same return as mode + 2 + (mode & 1). These modes are mainly for + debugging; often they run slower but sometimes + faster than modes 2-3. + 4,5,8,9 ==> left-to-right digit generation. + 6-9 ==> don't try fast floating-point estimate + (if applicable). + + Values of mode other than 0-9 are treated as mode 0. + + Sufficient space is allocated to the return value + to hold the suppressed trailing zeros. + */ + + int bbits, b2, b5, be, dig, i, ieps, ilim, ilim0, ilim1, + j, j1, k, k0, k_check, leftright, m2, m5, s2, s5, + spec_case, try_quick; + long L; +#ifndef Sudden_Underflow + int denorm; + unsigned long x; +#endif + Bigint *b, *b1, *delta, *mlo, *mhi, *S; + double ds; + Dul d2, eps; + char *s, *s0; + static Bigint *result; + static int result_k; + Dul d; + + d.d = darg; + if (result) { + result->k = result_k; + result->maxwds = 1 << result_k; + Bfree(result); + result = 0; + } + + if (word0(d) & Sign_bit) { + /* set sign for everything, including 0's and NaNs */ + *sign = 1; + word0(d) &= ~Sign_bit; /* clear sign bit */ + } + else + *sign = 0; + +#if defined(IEEE_Arith) + defined(VAX) +#ifdef IEEE_Arith + if ((word0(d) & Exp_mask) == Exp_mask) +#else + if (word0(d) == 0x8000) +#endif + { + /* Infinity or NaN */ + *decpt = 9999; + s = +#ifdef IEEE_Arith + !word1(d) && !(word0(d) & 0xfffff) ? "Infinity" : +#endif + "NaN"; + if (rve) + *rve = +#ifdef IEEE_Arith + s[3] ? s + 8 : +#endif + s + 3; + return s; + } +#endif +#ifdef IBM + d.d += 0; /* normalize */ +#endif + if (!d.d) { + *decpt = 1; + s = "0"; + if (rve) + *rve = s + 1; + return s; + } + + b = d2b(d.d, &be, &bbits); +#ifdef Sudden_Underflow + i = (int)(word0(d) >> Exp_shift1 & (Exp_mask>>Exp_shift1)); +#else + if (i = (int)(word0(d) >> Exp_shift1 & (Exp_mask>>Exp_shift1))) { +#endif + d2.d = d.d; + word0(d2) &= Frac_mask1; + word0(d2) |= Exp_11; +#ifdef IBM + if (j = 11 - hi0bits(word0(d2) & Frac_mask)) + d2.d /= 1 << j; +#endif + + /* log(x) ~=~ log(1.5) + (x-1.5)/1.5 + * log10(x) = log(x) / log(10) + * ~=~ log(1.5)/log(10) + (x-1.5)/(1.5*log(10)) + * log10(d) = (i-Bias)*log(2)/log(10) + log10(d2) + * + * This suggests computing an approximation k to log10(d) by + * + * k = (i - Bias)*0.301029995663981 + * + ( (d2-1.5)*0.289529654602168 + 0.176091259055681 ); + * + * We want k to be too large rather than too small. + * The error in the first-order Taylor series approximation + * is in our favor, so we just round up the constant enough + * to compensate for any error in the multiplication of + * (i - Bias) by 0.301029995663981; since |i - Bias| <= 1077, + * and 1077 * 0.30103 * 2^-52 ~=~ 7.2e-14, + * adding 1e-13 to the constant term more than suffices. + * Hence we adjust the constant term to 0.1760912590558. + * (We could get a more accurate k by invoking log10, + * but this is probably not worthwhile.) + */ + + i -= Bias; +#ifdef IBM + i <<= 2; + i += j; +#endif +#ifndef Sudden_Underflow + denorm = 0; + } + else { + /* d is denormalized */ + + i = bbits + be + (Bias + (P-1) - 1); + x = i > 32 ? word0(d) << 64 - i | word1(d) >> i - 32 + : word1(d) << 32 - i; + d2.d = x; + word0(d2) -= 31*Exp_msk1; /* adjust exponent */ + i -= (Bias + (P-1) - 1) + 1; + denorm = 1; + } +#endif + ds = (d2.d-1.5)*0.289529654602168 + 0.1760912590558 + i*0.301029995663981; + k = floor(ds); + k_check = 1; + if (k >= 0 && k <= Ten_pmax) { + if (d.d < tens[k]) + k--; + k_check = 0; + } + j = bbits - i - 1; + if (j >= 0) { + b2 = 0; + s2 = j; + } + else { + b2 = -j; + s2 = 0; + } + if (k >= 0) { + b5 = 0; + s5 = k; + s2 += k; + } + else { + b2 -= k; + b5 = -k; + s5 = 0; + } + if (mode < 0 || mode > 9) + mode = 0; + try_quick = 1; + if (mode > 5) { + mode -= 4; + try_quick = 0; + } + leftright = 1; + switch(mode) { + case 0: + case 1: + ilim = ilim1 = -1; + i = 18; + ndigits = 0; + break; + case 2: + leftright = 0; + /* no break */ + case 4: + if (ndigits <= 0) + ndigits = 1; + ilim = ilim1 = i = ndigits; + break; + case 3: + leftright = 0; + /* no break */ + case 5: + i = ndigits + k + 1; + ilim = i; + ilim1 = i - 1; + if (i <= 0) + i = 1; + } + j = sizeof(unsigned long); + for(result_k = 0; sizeof(Bigint) - sizeof(unsigned long) + j <= i; + j <<= 1) result_k++; + result = Balloc(result_k); + s = s0 = (char *)result; + + if (ilim >= 0 && ilim <= Quick_max && try_quick) { + + /* Try to get by with floating-point arithmetic. */ + + i = 0; + d2.d = d.d; + k0 = k; + ilim0 = ilim; + ieps = 2; /* conservative */ + if (k > 0) { + ds = tens[k&0xf]; + j = k >> 4; + if (j & Bletch) { + /* prevent overflows */ + j &= Bletch - 1; + d.d /= bigtens[n_bigtens-1]; + ieps++; + } + for(; j; j >>= 1, i++) + if (j & 1) { + ieps++; + ds *= bigtens[i]; + } + d.d /= ds; + } + else if (j1 = -k) { + d.d *= tens[j1 & 0xf]; + for(j = j1 >> 4; j; j >>= 1, i++) + if (j & 1) { + ieps++; + d.d *= bigtens[i]; + } + } + if (k_check && d.d < 1. && ilim > 0) { + if (ilim1 <= 0) + goto fast_failed; + ilim = ilim1; + k--; + d.d *= 10.; + ieps++; + } + eps.d = ieps*d.d + 7.; + word0(eps) -= (P-1)*Exp_msk1; + if (ilim == 0) { + S = mhi = 0; + d.d -= 5.; + if (d.d > eps.d) + goto one_digit; + if (d.d < -eps.d) + goto no_digits; + goto fast_failed; + } +#ifndef No_leftright + if (leftright) { + /* Use Steele & White method of only + * generating digits needed. + */ + eps.d = 0.5/tens[ilim-1] - eps.d; + for(i = 0;;) { + L = floor(d.d); + d.d -= L; + *s++ = '0' + (int)L; + if (d.d < eps.d) + goto ret1; + if (1. - d.d < eps.d) + goto bump_up; + if (++i >= ilim) + break; + eps.d *= 10.; + d.d *= 10.; + } + } + else { +#endif + /* Generate ilim digits, then fix them up. */ + eps.d *= tens[ilim-1]; + for(i = 1;; i++, d.d *= 10.) { + L = floor(d.d); + d.d -= L; + *s++ = '0' + (int)L; + if (i == ilim) { + if (d.d > 0.5 + eps.d) + goto bump_up; + else if (d.d < 0.5 - eps.d) { + while(*--s == '0'); + s++; + goto ret1; + } + break; + } + } +#ifndef No_leftright + } +#endif + fast_failed: + s = s0; + d.d = d2.d; + k = k0; + ilim = ilim0; + } + + /* Do we have a "small" integer? */ + + if (be >= 0 && k <= Int_max) { + /* Yes. */ + ds = tens[k]; + if (ndigits < 0 && ilim <= 0) { + S = mhi = 0; + if (ilim < 0 || d.d <= 5*ds) + goto no_digits; + goto one_digit; + } + for(i = 1;; i++) { + L = floor(d.d / ds); + d.d -= L*ds; +#ifdef Check_FLT_ROUNDS + /* If FLT_ROUNDS == 2, L will usually be high by 1 */ + if (d.d < 0) { + L--; + d.d += ds; + } +#endif + *s++ = '0' + (int)L; + if (i == ilim) { + d.d += d.d; + if (d.d > ds || d.d == ds && L & 1) { + bump_up: + while(*--s == '9') + if (s == s0) { + k++; + *s = '0'; + break; + } + ++*s++; + } + break; + } + d.d *= 10.; + if (d.d == 0.) + break; + } + goto ret1; + } + + m2 = b2; + m5 = b5; + mhi = mlo = 0; + if (leftright) { + if (mode < 2) { + i = +#ifndef Sudden_Underflow + denorm ? be + (Bias + (P-1) - 1 + 1) : +#endif +#ifdef IBM + 1 + 4*P - 3 - bbits + ((bbits + be - 1) & 3); +#else + 1 + P - bbits; +#endif + } + else { + j = ilim - 1; + if (m5 >= j) + m5 -= j; + else { + s5 += j -= m5; + b5 += j; + m5 = 0; + } + if ((i = ilim) < 0) { + m2 -= i; + i = 0; + } + } + b2 += i; + s2 += i; + mhi = i2b(1); + } + if (m2 > 0 && s2 > 0) { + i = m2 < s2 ? m2 : s2; + b2 -= i; + m2 -= i; + s2 -= i; + } + if (b5 > 0) { + if (leftright) { + if (m5 > 0) { + mhi = pow5mult(mhi, m5); + b1 = mult(mhi, b); + Bfree(b); + b = b1; + } + if (j = b5 - m5) + b = pow5mult(b, j); + } + else + b = pow5mult(b, b5); + } + S = i2b(1); + if (s5 > 0) + S = pow5mult(S, s5); + + /* Check for special case that d is a normalized power of 2. */ + + if (mode < 2) { + if (!word1(d) && !(word0(d) & Bndry_mask) +#ifndef Sudden_Underflow + && word0(d) & Exp_mask +#endif + ) { + /* The special case */ + b2 += Log2P; + s2 += Log2P; + spec_case = 1; + } + else + spec_case = 0; + } + + /* Arrange for convenient computation of quotients: + * shift left if necessary so divisor has 4 leading 0 bits. + * + * Perhaps we should just compute leading 28 bits of S once + * and for all and pass them and a shift to quorem, so it + * can do shifts and ors to compute the numerator for q. + */ +#ifdef Pack_32 + if (i = ((s5 ? 32 - hi0bits(S->x[S->wds-1]) : 1) + s2) & 0x1f) + i = 32 - i; +#else + if (i = ((s5 ? 32 - hi0bits(S->x[S->wds-1]) : 1) + s2) & 0xf) + i = 16 - i; +#endif + if (i > 4) { + i -= 4; + b2 += i; + m2 += i; + s2 += i; + } + else if (i < 4) { + i += 28; + b2 += i; + m2 += i; + s2 += i; + } + if (b2 > 0) + b = lshift(b, b2); + if (s2 > 0) + S = lshift(S, s2); + if (k_check) { + if (cmp(b,S) < 0) { + k--; + b = multadd(b, 10, 0); /* we botched the k estimate */ + if (leftright) + mhi = multadd(mhi, 10, 0); + ilim = ilim1; + } + } + if (ilim <= 0 && mode > 2) { + if (ilim < 0 || cmp(b,S = multadd(S,5,0)) <= 0) { + /* no digits, fcvt style */ + no_digits: + k = -1 - ndigits; + goto ret; + } + one_digit: + *s++ = '1'; + k++; + goto ret; + } + if (leftright) { + if (m2 > 0) + mhi = lshift(mhi, m2); + + /* Compute mlo -- check for special case + * that d is a normalized power of 2. + */ + + mlo = mhi; + if (spec_case) { + mhi = Balloc(mhi->k); + Bcopy(mhi, mlo); + mhi = lshift(mhi, Log2P); + } + + for(i = 1;;i++) { + dig = quorem(b,S) + '0'; + /* Do we yet have the shortest decimal string + * that will round to d? + */ + j = cmp(b, mlo); + delta = diff(S, mhi); + j1 = delta->sign ? 1 : cmp(b, delta); + Bfree(delta); +#ifndef ROUND_BIASED + if (j1 == 0 && !mode && !(word1(d) & 1)) { + if (dig == '9') + goto round_9_up; + if (j > 0) + dig++; + *s++ = dig; + goto ret; + } +#endif + if (j < 0 || j == 0 && !mode +#ifndef ROUND_BIASED + && !(word1(d) & 1) +#endif + ) { + if (j1 > 0) { + b = lshift(b, 1); + j1 = cmp(b, S); + if ((j1 > 0 || j1 == 0 && dig & 1) + && dig++ == '9') + goto round_9_up; + } + *s++ = dig; + goto ret; + } + if (j1 > 0) { + if (dig == '9') { /* possible if i == 1 */ + round_9_up: + *s++ = '9'; + goto roundoff; + } + *s++ = dig + 1; + goto ret; + } + *s++ = dig; + if (i == ilim) + break; + b = multadd(b, 10, 0); + if (mlo == mhi) + mlo = mhi = multadd(mhi, 10, 0); + else { + mlo = multadd(mlo, 10, 0); + mhi = multadd(mhi, 10, 0); + } + } + } + else + for(i = 1;; i++) { + *s++ = dig = quorem(b,S) + '0'; + if (i >= ilim) + break; + b = multadd(b, 10, 0); + } + + /* Round off last digit */ + + b = lshift(b, 1); + j = cmp(b, S); + if (j > 0 || j == 0 && dig & 1) { + roundoff: + while(*--s == '9') + if (s == s0) { + k++; + *s++ = '1'; + goto ret; + } + ++*s++; + } + else { + while(*--s == '0'); + s++; + } + ret: + Bfree(S); + if (mhi) { + if (mlo && mlo != mhi) + Bfree(mlo); + Bfree(mhi); + } + ret1: + Bfree(b); + *s = 0; + *decpt = k + 1; + if (rve) + *rve = s; + return s0; + } + + static int +quorem(Bigint *b, Bigint *S) +{ + int n; + long borrow, y; + unsigned long carry, q, ys; + unsigned long *bx, *bxe, *sx, *sxe; +#ifdef Pack_32 + long z; + unsigned long si, zs; +#endif + + n = S->wds; +#ifdef DEBUG + /*debug*/ if (b->wds > n) + /*debug*/ Bug("oversize b in quorem"); +#endif + if (b->wds < n) + return 0; + sx = S->x; + sxe = sx + --n; + bx = b->x; + bxe = bx + n; + q = *bxe / (*sxe + 1); /* ensure q <= true quotient */ +#ifdef DEBUG + /*debug*/ if (q > 9) + /*debug*/ Bug("oversized quotient in quorem"); +#endif + if (q) { + borrow = 0; + carry = 0; + do { +#ifdef Pack_32 + si = *sx++; + ys = (si & 0xffff) * q + carry; + zs = (si >> 16) * q + (ys >> 16); + carry = zs >> 16; + y = (*bx & 0xffff) - (ys & 0xffff) + borrow; + borrow = y >> 16; + Sign_Extend(borrow, y); + z = (*bx >> 16) - (zs & 0xffff) + borrow; + borrow = z >> 16; + Sign_Extend(borrow, z); + Storeinc(bx, z, y); +#else + ys = *sx++ * q + carry; + carry = ys >> 16; + y = *bx - (ys & 0xffff) + borrow; + borrow = y >> 16; + Sign_Extend(borrow, y); + *bx++ = y & 0xffff; +#endif + } + while(sx <= sxe); + if (!*bxe) { + bx = b->x; + while(--bxe > bx && !*bxe) + --n; + b->wds = n; + } + } + if (cmp(b, S) >= 0) { + q++; + borrow = 0; + carry = 0; + bx = b->x; + sx = S->x; + do { +#ifdef Pack_32 + si = *sx++; + ys = (si & 0xffff) + carry; + zs = (si >> 16) + (ys >> 16); + carry = zs >> 16; + y = (*bx & 0xffff) - (ys & 0xffff) + borrow; + borrow = y >> 16; + Sign_Extend(borrow, y); + z = (*bx >> 16) - (zs & 0xffff) + borrow; + borrow = z >> 16; + Sign_Extend(borrow, z); + Storeinc(bx, z, y); +#else + ys = *sx++ + carry; + carry = ys >> 16; + y = *bx - (ys & 0xffff) + borrow; + borrow = y >> 16; + Sign_Extend(borrow, y); + *bx++ = y & 0xffff; +#endif + } + while(sx <= sxe); + bx = b->x; + bxe = bx + n; + if (!*bxe) { + while(--bxe > bx && !*bxe) + --n; + b->wds = n; + } + } + return q; + } diff --git a/sys/src/ape/lib/ap/stdio/_fconv.c b/sys/src/ape/lib/ap/stdio/_fconv.c new file mode 100755 index 000000000..fc72d4731 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/_fconv.c @@ -0,0 +1,593 @@ +/* Common routines for _dtoa and strtod */ + +#include "fconv.h" + +#ifdef DEBUG +#include <stdio.h> +#define Bug(x) {fprintf(stderr, "%s\n", x); exit(1);} +#endif + + double +_tens[] = { + 1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, + 1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19, + 1e20, 1e21, 1e22 +#ifdef VAX + , 1e23, 1e24 +#endif + }; + + +#ifdef IEEE_Arith +double _bigtens[] = { 1e16, 1e32, 1e64, 1e128, 1e256 }; +double _tinytens[] = { 1e-16, 1e-32, 1e-64, 1e-128, 1e-256 }; +#else +#ifdef IBM +double _bigtens[] = { 1e16, 1e32, 1e64 }; +double _tinytens[] = { 1e-16, 1e-32, 1e-64 }; +#else +double _bigtens[] = { 1e16, 1e32 }; +double _tinytens[] = { 1e-16, 1e-32 }; +#endif +#endif + + static Bigint *freelist[Kmax+1]; + + Bigint * +_Balloc(int k) +{ + int x; + Bigint *rv; + + if (rv = freelist[k]) { + freelist[k] = rv->next; + } + else { + x = 1 << k; + rv = (Bigint *)malloc(sizeof(Bigint) + (x-1)*sizeof(long)); + rv->k = k; + rv->maxwds = x; + } + rv->sign = rv->wds = 0; + return rv; + } + + void +_Bfree(Bigint *v) +{ + if (v) { + v->next = freelist[v->k]; + freelist[v->k] = v; + } + } + + + Bigint * +_multadd(Bigint *b, int m, int a) /* multiply by m and add a */ +{ + int i, wds; + unsigned long *x, y; +#ifdef Pack_32 + unsigned long xi, z; +#endif + Bigint *b1; + + wds = b->wds; + x = b->x; + i = 0; + do { +#ifdef Pack_32 + xi = *x; + y = (xi & 0xffff) * m + a; + z = (xi >> 16) * m + (y >> 16); + a = (int)(z >> 16); + *x++ = (z << 16) + (y & 0xffff); +#else + y = *x * m + a; + a = (int)(y >> 16); + *x++ = y & 0xffff; +#endif + } + while(++i < wds); + if (a) { + if (wds >= b->maxwds) { + b1 = Balloc(b->k+1); + Bcopy(b1, b); + Bfree(b); + b = b1; + } + b->x[wds++] = a; + b->wds = wds; + } + return b; + } + + int +_hi0bits(register unsigned long x) +{ + register int k = 0; + + if (!(x & 0xffff0000)) { + k = 16; + x <<= 16; + } + if (!(x & 0xff000000)) { + k += 8; + x <<= 8; + } + if (!(x & 0xf0000000)) { + k += 4; + x <<= 4; + } + if (!(x & 0xc0000000)) { + k += 2; + x <<= 2; + } + if (!(x & 0x80000000)) { + k++; + if (!(x & 0x40000000)) + return 32; + } + return k; + } + + static int +lo0bits(unsigned long *y) +{ + register int k; + register unsigned long x = *y; + + if (x & 7) { + if (x & 1) + return 0; + if (x & 2) { + *y = x >> 1; + return 1; + } + *y = x >> 2; + return 2; + } + k = 0; + if (!(x & 0xffff)) { + k = 16; + x >>= 16; + } + if (!(x & 0xff)) { + k += 8; + x >>= 8; + } + if (!(x & 0xf)) { + k += 4; + x >>= 4; + } + if (!(x & 0x3)) { + k += 2; + x >>= 2; + } + if (!(x & 1)) { + k++; + x >>= 1; + if (!x & 1) + return 32; + } + *y = x; + return k; + } + + Bigint * +_i2b(int i) +{ + Bigint *b; + + b = Balloc(1); + b->x[0] = i; + b->wds = 1; + return b; + } + + Bigint * +_mult(Bigint *a, Bigint *b) +{ + Bigint *c; + int k, wa, wb, wc; + unsigned long carry, y, z; + unsigned long *x, *xa, *xae, *xb, *xbe, *xc, *xc0; +#ifdef Pack_32 + unsigned long z2; +#endif + + if (a->wds < b->wds) { + c = a; + a = b; + b = c; + } + k = a->k; + wa = a->wds; + wb = b->wds; + wc = wa + wb; + if (wc > a->maxwds) + k++; + c = Balloc(k); + for(x = c->x, xa = x + wc; x < xa; x++) + *x = 0; + xa = a->x; + xae = xa + wa; + xb = b->x; + xbe = xb + wb; + xc0 = c->x; +#ifdef Pack_32 + for(; xb < xbe; xb++, xc0++) { + if (y = *xb & 0xffff) { + x = xa; + xc = xc0; + carry = 0; + do { + z = (*x & 0xffff) * y + (*xc & 0xffff) + carry; + carry = z >> 16; + z2 = (*x++ >> 16) * y + (*xc >> 16) + carry; + carry = z2 >> 16; + Storeinc(xc, z2, z); + } + while(x < xae); + *xc = carry; + } + if (y = *xb >> 16) { + x = xa; + xc = xc0; + carry = 0; + z2 = *xc; + do { + z = (*x & 0xffff) * y + (*xc >> 16) + carry; + carry = z >> 16; + Storeinc(xc, z, z2); + z2 = (*x++ >> 16) * y + (*xc & 0xffff) + carry; + carry = z2 >> 16; + } + while(x < xae); + *xc = z2; + } + } +#else + for(; xb < xbe; xc0++) { + if (y = *xb++) { + x = xa; + xc = xc0; + carry = 0; + do { + z = *x++ * y + *xc + carry; + carry = z >> 16; + *xc++ = z & 0xffff; + } + while(x < xae); + *xc = carry; + } + } +#endif + for(xc0 = c->x, xc = xc0 + wc; wc > 0 && !*--xc; --wc) ; + c->wds = wc; + return c; + } + + static Bigint *p5s; + + Bigint * +_pow5mult(Bigint *b, int k) +{ + Bigint *b1, *p5, *p51; + int i; + static int p05[3] = { 5, 25, 125 }; + + if (i = k & 3) + b = multadd(b, p05[i-1], 0); + + if (!(k >>= 2)) + return b; + if (!(p5 = p5s)) { + /* first time */ + p5 = p5s = i2b(625); + p5->next = 0; + } + for(;;) { + if (k & 1) { + b1 = mult(b, p5); + Bfree(b); + b = b1; + } + if (!(k >>= 1)) + break; + if (!(p51 = p5->next)) { + p51 = p5->next = mult(p5,p5); + p51->next = 0; + } + p5 = p51; + } + return b; + } + + Bigint * +_lshift(Bigint *b, int k) +{ + int i, k1, n, n1; + Bigint *b1; + unsigned long *x, *x1, *xe, z; + +#ifdef Pack_32 + n = k >> 5; +#else + n = k >> 4; +#endif + k1 = b->k; + n1 = n + b->wds + 1; + for(i = b->maxwds; n1 > i; i <<= 1) + k1++; + b1 = Balloc(k1); + x1 = b1->x; + for(i = 0; i < n; i++) + *x1++ = 0; + x = b->x; + xe = x + b->wds; +#ifdef Pack_32 + if (k &= 0x1f) { + k1 = 32 - k; + z = 0; + do { + *x1++ = *x << k | z; + z = *x++ >> k1; + } + while(x < xe); + if (*x1 = z) + ++n1; + } +#else + if (k &= 0xf) { + k1 = 16 - k; + z = 0; + do { + *x1++ = *x << k & 0xffff | z; + z = *x++ >> k1; + } + while(x < xe); + if (*x1 = z) + ++n1; + } +#endif + else do + *x1++ = *x++; + while(x < xe); + b1->wds = n1 - 1; + Bfree(b); + return b1; + } + + int +_cmp(Bigint *a, Bigint *b) +{ + unsigned long *xa, *xa0, *xb, *xb0; + int i, j; + + i = a->wds; + j = b->wds; +#ifdef DEBUG + if (i > 1 && !a->x[i-1]) + Bug("cmp called with a->x[a->wds-1] == 0"); + if (j > 1 && !b->x[j-1]) + Bug("cmp called with b->x[b->wds-1] == 0"); +#endif + if (i -= j) + return i; + xa0 = a->x; + xa = xa0 + j; + xb0 = b->x; + xb = xb0 + j; + for(;;) { + if (*--xa != *--xb) + return *xa < *xb ? -1 : 1; + if (xa <= xa0) + break; + } + return 0; + } + + Bigint * +_diff(Bigint *a, Bigint *b) +{ + Bigint *c; + int i, wa, wb; + long borrow, y; /* We need signed shifts here. */ + unsigned long *xa, *xae, *xb, *xbe, *xc; +#ifdef Pack_32 + long z; +#endif + + i = cmp(a,b); + if (!i) { + c = Balloc(0); + c->wds = 1; + c->x[0] = 0; + return c; + } + if (i < 0) { + c = a; + a = b; + b = c; + i = 1; + } + else + i = 0; + c = Balloc(a->k); + c->sign = i; + wa = a->wds; + xa = a->x; + xae = xa + wa; + wb = b->wds; + xb = b->x; + xbe = xb + wb; + xc = c->x; + borrow = 0; +#ifdef Pack_32 + do { + y = (*xa & 0xffff) - (*xb & 0xffff) + borrow; + borrow = y >> 16; + Sign_Extend(borrow, y); + z = (*xa++ >> 16) - (*xb++ >> 16) + borrow; + borrow = z >> 16; + Sign_Extend(borrow, z); + Storeinc(xc, z, y); + } + while(xb < xbe); + while(xa < xae) { + y = (*xa & 0xffff) + borrow; + borrow = y >> 16; + Sign_Extend(borrow, y); + z = (*xa++ >> 16) + borrow; + borrow = z >> 16; + Sign_Extend(borrow, z); + Storeinc(xc, z, y); + } +#else + do { + y = *xa++ - *xb++ + borrow; + borrow = y >> 16; + Sign_Extend(borrow, y); + *xc++ = y & 0xffff; + } + while(xb < xbe); + while(xa < xae) { + y = *xa++ + borrow; + borrow = y >> 16; + Sign_Extend(borrow, y); + *xc++ = y & 0xffff; + } +#endif + while(!*--xc) + wa--; + c->wds = wa; + return c; + } + + Bigint * +_d2b(double darg, int *e, int *bits) +{ + Bigint *b; + int de, i, k; + unsigned long *x, y, z; + Dul d; +#ifdef VAX + unsigned long d0, d1; + d.d = darg; + d0 = word0(d) >> 16 | word0(d) << 16; + d1 = word1(d) >> 16 | word1(d) << 16; +#else + d.d = darg; +#define d0 word0(d) +#define d1 word1(d) +#endif + +#ifdef Pack_32 + b = Balloc(1); +#else + b = Balloc(2); +#endif + x = b->x; + + z = d0 & Frac_mask; + d0 &= 0x7fffffff; /* clear sign bit, which we ignore */ +#ifdef Sudden_Underflow + de = (int)(d0 >> Exp_shift); +#ifndef IBM + z |= Exp_msk11; +#endif +#else + if (de = (int)(d0 >> Exp_shift)) + z |= Exp_msk1; +#endif +#ifdef Pack_32 + if (y = d1) { + if (k = lo0bits(&y)) { + x[0] = y | z << 32 - k; + z >>= k; + } + else + x[0] = y; + i = b->wds = (x[1] = z) ? 2 : 1; + } + else { +#ifdef DEBUG + if (!z) + Bug("Zero passed to d2b"); +#endif + k = lo0bits(&z); + x[0] = z; + i = b->wds = 1; + k += 32; + } +#else + if (y = d1) { + if (k = lo0bits(&y)) + if (k >= 16) { + x[0] = y | z << 32 - k & 0xffff; + x[1] = z >> k - 16 & 0xffff; + x[2] = z >> k; + i = 2; + } + else { + x[0] = y & 0xffff; + x[1] = y >> 16 | z << 16 - k & 0xffff; + x[2] = z >> k & 0xffff; + x[3] = z >> k+16; + i = 3; + } + else { + x[0] = y & 0xffff; + x[1] = y >> 16; + x[2] = z & 0xffff; + x[3] = z >> 16; + i = 3; + } + } + else { +#ifdef DEBUG + if (!z) + Bug("Zero passed to d2b"); +#endif + k = lo0bits(&z); + if (k >= 16) { + x[0] = z; + i = 0; + } + else { + x[0] = z & 0xffff; + x[1] = z >> 16; + i = 1; + } + k += 32; + } + while(!x[i]) + --i; + b->wds = i + 1; +#endif +#ifndef Sudden_Underflow + if (de) { +#endif +#ifdef IBM + *e = (de - Bias - (P-1) << 2) + k; + *bits = 4*P + 8 - k - hi0bits(word0(d) & Frac_mask); +#else + *e = de - Bias - (P-1) + k; + *bits = P - k; +#endif +#ifndef Sudden_Underflow + } + else { + *e = de - Bias - (P-1) + 1 + k; +#ifdef Pack_32 + *bits = 32*i - hi0bits(x[i-1]); +#else + *bits = (i+2)*16 - hi0bits(x[i]); +#endif + } +#endif + return b; + } +#undef d0 +#undef d1 diff --git a/sys/src/ape/lib/ap/stdio/atexit.c b/sys/src/ape/lib/ap/stdio/atexit.c new file mode 100755 index 000000000..16043eb57 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/atexit.c @@ -0,0 +1,15 @@ +#include <unistd.h> +#define NONEXIT 34 +extern int (*_atexitfns[NONEXIT])(void); + +int +atexit(int (*f)(void)) +{ + int i; + for(i=0; i<NONEXIT; i++) + if(!_atexitfns[i]){ + _atexitfns[i] = f; + return(0); + } + return(1); +} diff --git a/sys/src/ape/lib/ap/stdio/clearerr.c b/sys/src/ape/lib/ap/stdio/clearerr.c new file mode 100755 index 000000000..904e33581 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/clearerr.c @@ -0,0 +1,14 @@ +/* + * pANS stdio -- clearerr + */ +#include "iolib.h" +void clearerr(FILE *f){ + switch(f->state){ + case ERR: + f->state=f->buf?RDWR:OPEN; + break; + case END: + f->state=RDWR; + break; + } +} diff --git a/sys/src/ape/lib/ap/stdio/exit.c b/sys/src/ape/lib/ap/stdio/exit.c new file mode 100755 index 000000000..eaef6b304 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/exit.c @@ -0,0 +1,17 @@ +#include <unistd.h> +#define NONEXIT 34 +int (*_atexitfns[NONEXIT])(void); +void _doatexits(void){ + int i, (*f)(void); + for(i = NONEXIT-1; i >= 0; i--) + if(_atexitfns[i]){ + f = _atexitfns[i]; + _atexitfns[i] = 0; /* self defense against bozos */ + (*f)(); + } +} +void exit(int status) +{ + _doatexits(); + _exit(status); +} diff --git a/sys/src/ape/lib/ap/stdio/fclose.c b/sys/src/ape/lib/ap/stdio/fclose.c new file mode 100755 index 000000000..d14e83746 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fclose.c @@ -0,0 +1,15 @@ +/* + * pANS stdio -- fclose + */ +#include "iolib.h" +int fclose(FILE *f){ + int error=0; + if(!f) return EOF; + if(f->state==CLOSED) return EOF; + if(fflush(f)==EOF) error=EOF; + if(f->flags&BALLOC) free(f->buf); + if(!(f->flags&STRING) && close(f->fd)<0) error=EOF; + f->state=CLOSED; + f->flags=0; + return error; +} diff --git a/sys/src/ape/lib/ap/stdio/fconv.h b/sys/src/ape/lib/ap/stdio/fconv.h new file mode 100755 index 000000000..ccc91e0cf --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fconv.h @@ -0,0 +1,236 @@ +/**************************************************************** + + The author of this software (_dtoa, strtod) is David M. Gay. + Please send bug reports to + David M. Gay + Bell Laboratories, Room 2C-463 + 600 Mountain Avenue + Murray Hill, NJ 07974-2070 + U.S.A. + dmg@research.bell-labs.com + */ +#include <stdlib.h> +#include <string.h> +#define _RESEARCH_SOURCE +#include <errno.h> +#include <float.h> +#include <math.h> +#define CONST const + +/* + * #define IEEE_8087 for IEEE-arithmetic machines where the least + * significant byte has the lowest address. + * #define IEEE_MC68k for IEEE-arithmetic machines where the most + * significant byte has the lowest address. + * #define Sudden_Underflow for IEEE-format machines without gradual + * underflow (i.e., that flush to zero on underflow). + * #define IBM for IBM mainframe-style floating-point arithmetic. + * #define VAX for VAX-style floating-point arithmetic. + * #define Unsigned_Shifts if >> does treats its left operand as unsigned. + * #define No_leftright to omit left-right logic in fast floating-point + * computation of dtoa. + * #define Check_FLT_ROUNDS if FLT_ROUNDS can assume the values 2 or 3. + * #define RND_PRODQUOT to use rnd_prod and rnd_quot (assembly routines + * that use extended-precision instructions to compute rounded + * products and quotients) with IBM. + * #define ROUND_BIASED for IEEE-format with biased rounding. + * #define Inaccurate_Divide for IEEE-format with correctly rounded + * products but inaccurate quotients, e.g., for Intel i860. + * #define Just_16 to store 16 bits per 32-bit long when doing high-precision + * integer arithmetic. Whether this speeds things up or slows things + * down depends on the machine and the number being converted. + */ + +#if defined(IEEE_8087) + defined(IEEE_MC68k) + defined(VAX) + defined(IBM) != 1 +Exactly one of IEEE_8087, IEEE_MC68k, VAX, or IBM should be defined. +#endif + +typedef union { + double d; + unsigned long ul[2]; +} Dul; + +#ifdef IEEE_8087 +#define word0(x) ((x).ul[1]) +#define word1(x) ((x).ul[0]) +#else +#define word0(x) ((x).ul[0]) +#define word1(x) ((x).ul[1]) +#endif + +#ifdef Unsigned_Shifts +#define Sign_Extend(a,b) if (b < 0) a |= 0xffff0000; +#else +#define Sign_Extend(a,b) /*no-op*/ +#endif + +/* The following definition of Storeinc is appropriate for MIPS processors. + * An alternative that might be better on some machines is + * #define Storeinc(a,b,c) (*a++ = b << 16 | c & 0xffff) + */ +#if defined(IEEE_8087) + defined(VAX) +#define Storeinc(a,b,c) (((unsigned short *)a)[1] = (unsigned short)b, \ +((unsigned short *)a)[0] = (unsigned short)c, a++) +#else +#define Storeinc(a,b,c) (((unsigned short *)a)[0] = (unsigned short)b, \ +((unsigned short *)a)[1] = (unsigned short)c, a++) +#endif + +/* #define P DBL_MANT_DIG */ +/* Ten_pmax = floor(P*log(2)/log(5)) */ +/* Bletch = (highest power of 2 < DBL_MAX_10_EXP) / 16 */ +/* Quick_max = floor((P-1)*log(FLT_RADIX)/log(10) - 1) */ +/* Int_max = floor(P*log(FLT_RADIX)/log(10) - 1) */ + +#if defined(IEEE_8087) + defined(IEEE_MC68k) +#define Exp_shift 20 +#define Exp_shift1 20 +#define Exp_msk1 0x100000 +#define Exp_msk11 0x100000 +#define Exp_mask 0x7ff00000 +#define P 53 +#define Bias 1023 +#define IEEE_Arith +#define Emin (-1022) +#define Exp_1 0x3ff00000 +#define Exp_11 0x3ff00000 +#define Ebits 11 +#define Frac_mask 0xfffff +#define Frac_mask1 0xfffff +#define Ten_pmax 22 +#define Bletch 0x10 +#define Bndry_mask 0xfffff +#define Bndry_mask1 0xfffff +#define LSB 1 +#define Sign_bit 0x80000000 +#define Log2P 1 +#define Tiny0 0 +#define Tiny1 1 +#define Quick_max 14 +#define Int_max 14 +#define Infinite(x) (word0(x) == 0x7ff00000) /* sufficient test for here */ +#else +#undef Sudden_Underflow +#define Sudden_Underflow +#ifdef IBM +#define Exp_shift 24 +#define Exp_shift1 24 +#define Exp_msk1 0x1000000 +#define Exp_msk11 0x1000000 +#define Exp_mask 0x7f000000 +#define P 14 +#define Bias 65 +#define Exp_1 0x41000000 +#define Exp_11 0x41000000 +#define Ebits 8 /* exponent has 7 bits, but 8 is the right value in b2d */ +#define Frac_mask 0xffffff +#define Frac_mask1 0xffffff +#define Bletch 4 +#define Ten_pmax 22 +#define Bndry_mask 0xefffff +#define Bndry_mask1 0xffffff +#define LSB 1 +#define Sign_bit 0x80000000 +#define Log2P 4 +#define Tiny0 0x100000 +#define Tiny1 0 +#define Quick_max 14 +#define Int_max 15 +#else /* VAX */ +#define Exp_shift 23 +#define Exp_shift1 7 +#define Exp_msk1 0x80 +#define Exp_msk11 0x800000 +#define Exp_mask 0x7f80 +#define P 56 +#define Bias 129 +#define Exp_1 0x40800000 +#define Exp_11 0x4080 +#define Ebits 8 +#define Frac_mask 0x7fffff +#define Frac_mask1 0xffff007f +#define Ten_pmax 24 +#define Bletch 2 +#define Bndry_mask 0xffff007f +#define Bndry_mask1 0xffff007f +#define LSB 0x10000 +#define Sign_bit 0x8000 +#define Log2P 1 +#define Tiny0 0x80 +#define Tiny1 0 +#define Quick_max 15 +#define Int_max 15 +#endif +#endif + +#ifndef IEEE_Arith +#define ROUND_BIASED +#endif + +#define Big0 (Frac_mask1 | Exp_msk1*(DBL_MAX_EXP+Bias-1)) +#define Big1 0xffffffff + +#ifndef Just_16 +/* When Pack_32 is not defined, we store 16 bits per 32-bit long. + * This makes some inner loops simpler and sometimes saves work + * during multiplications, but it often seems to make things slightly + * slower. Hence the default is now to store 32 bits per long. + */ +#ifndef Pack_32 +#define Pack_32 +#endif +#endif + +#define Kmax 15 + + struct +Bigint { + struct Bigint *next; + int k, maxwds, sign, wds; + unsigned long x[1]; + }; + + typedef struct Bigint Bigint; + +/* This routines shouldn't be visible externally */ +extern Bigint *_Balloc(int); +extern void _Bfree(Bigint *); +extern Bigint *_multadd(Bigint *, int, int); +extern int _hi0bits(unsigned long); +extern Bigint *_mult(Bigint *, Bigint *); +extern Bigint *_pow5mult(Bigint *, int); +extern Bigint *_lshift(Bigint *, int); +extern int _cmp(Bigint *, Bigint *); +extern Bigint *_diff(Bigint *, Bigint *); +extern Bigint *_d2b(double, int *, int *); +extern Bigint *_i2b(int); + +extern double _tens[], _bigtens[], _tinytens[]; + +#ifdef IEEE_Arith +#define n_bigtens 5 +#else +#ifdef IBM +#define n_bigtens 3 +#else +#define n_bigtens 2 +#endif +#endif + +#define Balloc(x) _Balloc(x) +#define Bfree(x) _Bfree(x) +#define Bcopy(x,y) memcpy((char *)&x->sign, (char *)&y->sign, \ +y->wds*sizeof(long) + 2*sizeof(int)) +#define multadd(x,y,z) _multadd(x,y,z) +#define hi0bits(x) _hi0bits(x) +#define i2b(x) _i2b(x) +#define mult(x,y) _mult(x,y) +#define pow5mult(x,y) _pow5mult(x,y) +#define lshift(x,y) _lshift(x,y) +#define cmp(x,y) _cmp(x,y) +#define diff(x,y) _diff(x,y) +#define d2b(x,y,z) _d2b(x,y,z) + +#define tens _tens +#define bigtens _bigtens +#define tinytens _tinytens diff --git a/sys/src/ape/lib/ap/stdio/fdopen.c b/sys/src/ape/lib/ap/stdio/fdopen.c new file mode 100755 index 000000000..0c585b965 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fdopen.c @@ -0,0 +1,33 @@ +/* + * Posix stdio -- fdopen + */ +#include "iolib.h" +/* + * Open the named file with the given mode, using the given FILE + * Legal modes are given below, `additional characters may follow these sequences': + * r rb open to read + * w wb open to write, truncating + * a ab open to write positioned at eof, creating if non-existant + * r+ r+b rb+ open to read and write, creating if non-existant + * w+ w+b wb+ open to read and write, truncating + * a+ a+b ab+ open to read and write, positioned at eof, creating if non-existant. + */ +FILE *fdopen(const int fd, const char *mode){ + FILE *f; + for(f=_IO_stream;f!=&_IO_stream[FOPEN_MAX];f++) + if(f->state==CLOSED) + break; + if(f==&_IO_stream[FOPEN_MAX]) + return NULL; + f->fd=fd; + if(mode[0]=='a') + lseek(f->fd, 0L, 2); + if(f->fd==-1) return NULL; + f->flags=0; + f->state=OPEN; + f->buf=0; + f->rp=0; + f->wp=0; + f->lp=0; + return f; +} diff --git a/sys/src/ape/lib/ap/stdio/feof.c b/sys/src/ape/lib/ap/stdio/feof.c new file mode 100755 index 000000000..9c2ce9077 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/feof.c @@ -0,0 +1,7 @@ +/* + * pANS stdio -- feof + */ +#include "iolib.h" +int feof(FILE *f){ + return f->state==END; +} diff --git a/sys/src/ape/lib/ap/stdio/ferror.c b/sys/src/ape/lib/ap/stdio/ferror.c new file mode 100755 index 000000000..0c705c5d8 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/ferror.c @@ -0,0 +1,7 @@ +/* + * pANS stdio -- ferror + */ +#include "iolib.h" +int ferror(FILE *f){ + return f->state==ERR; +} diff --git a/sys/src/ape/lib/ap/stdio/fflush.c b/sys/src/ape/lib/ap/stdio/fflush.c new file mode 100755 index 000000000..50a9da28f --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fflush.c @@ -0,0 +1,31 @@ +/* + * pANS stdio -- fflush + */ +#include "iolib.h" +int fflush(FILE *f){ + int error, cnt; + if(f==NULL){ + error=0; + for(f=_IO_stream;f!=&_IO_stream[FOPEN_MAX];f++) + if(f->state==WR && fflush(f)==EOF) + error=EOF; + return error; + } + if(f->flags&STRING) return EOF; + switch(f->state){ + default: /* OPEN RDWR EOF RD */ + return 0; + case CLOSED: + case ERR: + return EOF; + case WR: + cnt=(f->flags&LINEBUF?f->lp:f->wp)-f->buf; + if(cnt && write(f->fd, f->buf, cnt)!=cnt){ + f->state=ERR; + return EOF; + } + f->rp=f->wp=f->buf; + f->state=RDWR; + return 0; + } +} diff --git a/sys/src/ape/lib/ap/stdio/fgetc.c b/sys/src/ape/lib/ap/stdio/fgetc.c new file mode 100755 index 000000000..08c5ad03b --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fgetc.c @@ -0,0 +1,7 @@ +/* + * pANS stdio -- fgetc + */ +#include "iolib.h" +int fgetc(FILE *f){ + return getc(f); +} diff --git a/sys/src/ape/lib/ap/stdio/fgetpos.c b/sys/src/ape/lib/ap/stdio/fgetpos.c new file mode 100755 index 000000000..c8edc57b1 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fgetpos.c @@ -0,0 +1,8 @@ +/* + * pANS stdio -- fgetpos + */ +#include "iolib.h" +int fgetpos(FILE *f, fpos_t *pos){ + *pos=ftell(f); + return *pos==-1?-1:0; +} diff --git a/sys/src/ape/lib/ap/stdio/fgets.c b/sys/src/ape/lib/ap/stdio/fgets.c new file mode 100755 index 000000000..5032735e0 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fgets.c @@ -0,0 +1,17 @@ +/* + * pANS stdio -- fgets + */ +#include "iolib.h" +char *fgets(char *as, int n, FILE *f){ + int c=0; + char *s=as; + while(n>1 && (c=getc(f))!=EOF){ + *s++=c; + --n; + if(c=='\n') break; + } + if(c==EOF && s==as + || ferror(f)) return NULL; + if(n) *s='\0'; + return as; +} diff --git a/sys/src/ape/lib/ap/stdio/fileno.c b/sys/src/ape/lib/ap/stdio/fileno.c new file mode 100755 index 000000000..2dd6fdb85 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fileno.c @@ -0,0 +1,10 @@ +/* + * Posix stdio -- fileno + */ +#include "iolib.h" +int fileno(FILE *f){ + if(f==NULL) + return -1; + else + return f->fd; +} diff --git a/sys/src/ape/lib/ap/stdio/fopen.c b/sys/src/ape/lib/ap/stdio/fopen.c new file mode 100755 index 000000000..edf27172c --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fopen.c @@ -0,0 +1,11 @@ +/* + * pANS stdio -- fopen + */ +#include "iolib.h" +FILE *fopen(const char *name, const char *mode){ + FILE *f; + for(f=_IO_stream;f!=&_IO_stream[FOPEN_MAX];f++) + if(f->state==CLOSED) + return freopen(name, mode, f); + return NULL; +} diff --git a/sys/src/ape/lib/ap/stdio/fprintf.c b/sys/src/ape/lib/ap/stdio/fprintf.c new file mode 100755 index 000000000..9f3a861cc --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fprintf.c @@ -0,0 +1,12 @@ +/* + * pANS stdio -- fprintf + */ +#include "iolib.h" +int fprintf(FILE *f, const char *fmt, ...){ + int n; + va_list args; + va_start(args, fmt); + n=vfprintf(f, fmt, args); + va_end(args); + return n; +} diff --git a/sys/src/ape/lib/ap/stdio/fputc.c b/sys/src/ape/lib/ap/stdio/fputc.c new file mode 100755 index 000000000..0a482e20c --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fputc.c @@ -0,0 +1,7 @@ +/* + * pANS stdio -- fputc + */ +#include "iolib.h" +int fputc(int c, FILE *f){ + return putc(c, f); /* This can be made more fair to _IOLBF-mode streams */ +} diff --git a/sys/src/ape/lib/ap/stdio/fputs.c b/sys/src/ape/lib/ap/stdio/fputs.c new file mode 100755 index 000000000..d0406b0e5 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fputs.c @@ -0,0 +1,8 @@ +/* + * pANS stdio -- fputs + */ +#include "iolib.h" +int fputs(const char *s, FILE *f){ + while(*s) putc(*s++, f); + return ferror(f)?EOF:0; +} diff --git a/sys/src/ape/lib/ap/stdio/fread.c b/sys/src/ape/lib/ap/stdio/fread.c new file mode 100755 index 000000000..3345011b6 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fread.c @@ -0,0 +1,45 @@ +/* + * pANS stdio -- fread + */ +#include "iolib.h" +#include <string.h> + +#define BIGN (BUFSIZ/2) + +size_t fread(void *p, size_t recl, size_t nrec, FILE *f){ + char *s; + int n, d, c; + + s=(char *)p; + n=recl*nrec; + while(n>0){ + d=f->wp-f->rp; + if(d>0){ + if(d>n) + d=n; + memcpy(s, f->rp, d); + f->rp+=d; + }else{ + if(n >= BIGN && f->state==RD && !(f->flags&STRING) && f->buf!=f->unbuf){ + d=read(f->fd, s, n); + if(d<=0){ + f->state=(d==0)?END:ERR; + goto ret; + } + }else{ + c=_IO_getc(f); + if(c==EOF) + goto ret; + *s=c; + d=1; + } + } + s+=d; + n-=d; + } + ret: + if(recl) + return (s-(char*)p)/recl; + else + return s-(char*)p; +} diff --git a/sys/src/ape/lib/ap/stdio/freopen.c b/sys/src/ape/lib/ap/stdio/freopen.c new file mode 100755 index 000000000..ba586bbfc --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/freopen.c @@ -0,0 +1,66 @@ +/* + * pANS stdio -- freopen + */ +#include "iolib.h" +/* + * Open the named file with the given mode, using the given FILE + * Legal modes are given below, `additional characters may follow these sequences': + * r rb open to read + * w wb open to write, truncating + * a ab open to write positioned at eof, creating if non-existant + * r+ r+b rb+ open to read and write, creating if non-existant + * w+ w+b wb+ open to read and write, truncating + * a+ a+b ab+ open to read and write, positioned at eof, creating if non-existant. + */ +FILE *freopen(const char *name, const char *mode, FILE *f){ + int m; + + if(f->state!=CLOSED){ + fclose(f); +/* premature; fall through and see what happens */ +/* f->state=OPEN; */ + } + + m = *mode++; + if(m == 0) + return NULL; + if(*mode == 'b') + mode++; + switch(m){ + default: + return NULL; + case 'r': + f->fd=open(name, (*mode == '+'? O_RDWR: O_RDONLY)); + break; + case 'w': + f->fd=creat(name, 0666); /* implicitly O_WRONLY */ + /* for O_RDWR, have to creat, close, open */ + if(*mode == '+' && f->fd >= 0) { + close(f->fd); + f->fd=open(name, O_RDWR); + } + break; + case 'a': + f->fd=open(name, (*mode == '+'? O_RDWR: O_WRONLY)); + if(f->fd<0) { + f->fd=creat(name, 0666); + /* for O_RDWR, have to creat, close, open */ + if(*mode == '+' && f->fd >= 0) { + close(f->fd); + f->fd=open(name, O_RDWR); + } + } + lseek(f->fd, 0L, 2); + break; + } + + if(f->fd==-1) + return NULL; + f->flags=(mode[0]=='a')? APPEND : 0; + f->state=OPEN; + f->buf=0; + f->rp=0; + f->wp=0; + f->lp=0; + return f; +} diff --git a/sys/src/ape/lib/ap/stdio/fscanf.c b/sys/src/ape/lib/ap/stdio/fscanf.c new file mode 100755 index 000000000..3d9d874e8 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fscanf.c @@ -0,0 +1,12 @@ +/* + * pANS stdio -- fscanf + */ +#include "iolib.h" +int fscanf(FILE *f, const char *fmt, ...){ + int n; + va_list args; + va_start(args, fmt); + n=vfscanf(f, fmt, args); + va_end(args); + return n; +} diff --git a/sys/src/ape/lib/ap/stdio/fseek.c b/sys/src/ape/lib/ap/stdio/fseek.c new file mode 100755 index 000000000..fba570d09 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fseek.c @@ -0,0 +1,24 @@ +/* + * pANS stdio -- fseek + */ +#include "iolib.h" +int fseek(FILE *f, long offs, int type){ + switch(f->state){ + case ERR: + case CLOSED: + return -1; + case WR: + fflush(f); + break; + case RD: + if(type==1 && f->buf!=f->unbuf) + offs-=f->wp-f->rp; + break; + } + if(f->flags&STRING || lseek(f->fd, offs, type)==-1) + return -1; + if(f->state==RD) f->rp=f->wp=f->buf; + if(f->state!=OPEN) + f->state=RDWR; + return 0; +} diff --git a/sys/src/ape/lib/ap/stdio/fseeko.c b/sys/src/ape/lib/ap/stdio/fseeko.c new file mode 100755 index 000000000..469d04419 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fseeko.c @@ -0,0 +1,24 @@ +/* + * pANS stdio -- fseeko + */ +#include "iolib.h" +int fseeko(FILE *f, off_t offs, int type){ + switch(f->state){ + case ERR: + case CLOSED: + return -1; + case WR: + fflush(f); + break; + case RD: + if(type==1 && f->buf!=f->unbuf) + offs-=f->wp-f->rp; + break; + } + if(f->flags&STRING || lseek(f->fd, offs, type)==-1) + return -1; + if(f->state==RD) f->rp=f->wp=f->buf; + if(f->state!=OPEN) + f->state=RDWR; + return 0; +} diff --git a/sys/src/ape/lib/ap/stdio/fsetpos.c b/sys/src/ape/lib/ap/stdio/fsetpos.c new file mode 100755 index 000000000..540e83a7e --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fsetpos.c @@ -0,0 +1,7 @@ +/* + * pANS stdio -- fsetpos + */ +#include "iolib.h" +int fsetpos(FILE *f, const fpos_t *pos){ + return fseek(f, *pos, SEEK_SET); +} diff --git a/sys/src/ape/lib/ap/stdio/ftell.c b/sys/src/ape/lib/ap/stdio/ftell.c new file mode 100755 index 000000000..3693589ea --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/ftell.c @@ -0,0 +1,16 @@ +/* + * pANS stdio -- ftell + */ +#include "iolib.h" +long ftell(FILE *f){ + long seekp=lseek(f->fd, 0L, 1); + if(seekp<0) return -1; /* enter error state? */ + switch(f->state){ + default: + return seekp; + case RD: + return seekp-(f->wp-f->rp); + case WR: + return (f->flags&LINEBUF?f->lp:f->wp)-f->buf+seekp; + } +} diff --git a/sys/src/ape/lib/ap/stdio/ftello.c b/sys/src/ape/lib/ap/stdio/ftello.c new file mode 100755 index 000000000..4ebb7b138 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/ftello.c @@ -0,0 +1,16 @@ +/* + * pANS stdio -- ftello + */ +#include "iolib.h" +off_t ftello(FILE *f){ + off_t seekp=lseek(f->fd, 0L, 1); + if(seekp<0) return -1; /* enter error state? */ + switch(f->state){ + default: + return seekp; + case RD: + return seekp-(f->wp-f->rp); + case WR: + return (f->flags&LINEBUF?f->lp:f->wp)-f->buf+seekp; + } +} diff --git a/sys/src/ape/lib/ap/stdio/ftoa.c b/sys/src/ape/lib/ap/stdio/ftoa.c new file mode 100755 index 000000000..b241d2d43 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/ftoa.c @@ -0,0 +1,41 @@ +#include <math.h> +#include <stdlib.h> +double pow10(int); +#define NDIG 18 +#define NFTOA (NDIG+4) +/* + * convert floating to ascii. ftoa returns an integer e such that + * f=g*10**e, with .1<=|g|<1 (e=0 when g==0) and puts an ascii + * representation of g in the buffer pointed to by bp. bp[0] will + * be '+' or '-', and bp[1] to bp[NFTOA-2] + * will be appropriate digits of g. bp[NFTOA-1] will be '\0' + */ +int ftoa(double f, char *bp){ + int e, e1, e2, i; + double digit, g, p; + if(f>=0) *bp++='+'; + else{ + f=-f; + *bp++='-'; + } + /* find e such that f==0 or 1<=f*pow10(e)<10, and set f=f*pow10(e) */ + if(f==0.) e=1; + else{ + frexp(f, &e); + e=-e*30103/100000; + /* split in 2 pieces to guard against overflow in extreme cases */ + e1=e/2; + e2=e-e1; + p=f*pow10(e2); + while((g=p*pow10(e1))<1.) e1++; + while((g=p*pow10(e1))>=10.) --e1; + e=e1+e2; + f=g; + } + for(i=0;i!=NDIG;i++){ + f=modf(f, &digit)*10.; + *bp++=digit+'0'; + } + *bp='\0'; + return 1-e; +} diff --git a/sys/src/ape/lib/ap/stdio/fwrite.c b/sys/src/ape/lib/ap/stdio/fwrite.c new file mode 100755 index 000000000..5e871c069 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/fwrite.c @@ -0,0 +1,55 @@ +/* + * pANS stdio -- fwrite + */ +#include "iolib.h" +#include <string.h> + +#define BIGN (BUFSIZ/2) + +size_t fwrite(const void *p, size_t recl, size_t nrec, FILE *f){ + char *s; + int n, d; + + s=(char *)p; + n=recl*nrec; + while(n>0){ + d=f->rp-f->wp; + if(d>0){ + if(d>n) + d=n; + memcpy(f->wp, s, d); + f->wp+=d; + }else{ + if(n>=BIGN && f->state==WR && !(f->flags&(STRING|LINEBUF)) && f->buf!=f->unbuf){ + d=f->wp-f->buf; + if(d>0){ + if(f->flags&APPEND) + lseek(f->fd, 0L, SEEK_END); + if(write(f->fd, f->buf, d)!=d){ + f->state=ERR; + goto ret; + } + f->wp=f->rp=f->buf; + } + if(f->flags&APPEND) + lseek(f->fd, 0L, SEEK_END); + d=write(f->fd, s, n); + if(d<=0){ + f->state=ERR; + goto ret; + } + }else{ + if(_IO_putc(*s, f)==EOF) + goto ret; + d=1; + } + } + s+=d; + n-=d; + } + ret: + if(recl) + return (s-(char*)p)/recl; + else + return s-(char*)p; +} diff --git a/sys/src/ape/lib/ap/stdio/getc.c b/sys/src/ape/lib/ap/stdio/getc.c new file mode 100755 index 000000000..4096972bf --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/getc.c @@ -0,0 +1,8 @@ +/* + * pANS stdio -- getc + */ +#include "iolib.h" +#undef getc +int getc(FILE *f){ + return fgetc(f); +} diff --git a/sys/src/ape/lib/ap/stdio/getchar.c b/sys/src/ape/lib/ap/stdio/getchar.c new file mode 100755 index 000000000..f42c119c6 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/getchar.c @@ -0,0 +1,8 @@ +/* + * pANS stdio -- getchar + */ +#include "iolib.h" +#undef getchar +int getchar(void){ + return fgetc(stdin); +} diff --git a/sys/src/ape/lib/ap/stdio/gets.c b/sys/src/ape/lib/ap/stdio/gets.c new file mode 100755 index 000000000..909c21485 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/gets.c @@ -0,0 +1,17 @@ +/* + * pANS stdio -- gets + */ +#include "iolib.h" +char *gets(char *as){ +#ifdef secure + stdin->flags|=ERR; + return NULL; +#else + char *s=as; + int c; + while((c=getchar())!='\n' && c!=EOF) *s++=c; + if(c!=EOF || s!=as) *s='\0'; + else return NULL; + return as; +#endif +} diff --git a/sys/src/ape/lib/ap/stdio/iolib.h b/sys/src/ape/lib/ap/stdio/iolib.h new file mode 100755 index 000000000..3a5bd63a0 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/iolib.h @@ -0,0 +1,44 @@ +/* + * pANS stdio -- definitions + * The following names are defined in the pANS: + * FILE fpos_t _IOFBF _IOLBF _IONBF + * BUFSIZ EOF FOPEN_MAX FILENAME_MAX L_tmpnam + * SEEK_CUR SEEK_END SEEK_SET TMP_MAX stderr + * stdin stdout remove rename tmpfile + * tmpnam fclose fflush fopen freopen + * setbuf setvbuf fprintf fscanf printf + * scanf sprintf sscanf vfprintf vprintf + * vsprintf fgetc fgets fputc fputs + * getc getchar gets putc putchar + * puts ungetc fread fwrite fgetpos + * fseek fsetpos ftell rewind clearerr + * feof ferror perror + */ +#include <stdio.h> +#include <stdlib.h> +#include <sys/types.h> +#include <unistd.h> +#include <fcntl.h> + +/* + * Flag bits + */ +#define BALLOC 1 /* did stdio malloc fd->buf? */ +#define LINEBUF 2 /* is stream line buffered? */ +#define STRING 4 /* output to string, instead of file */ +#define APPEND 8 /* append mode output */ +/* + * States + */ +#define CLOSED 0 /* file not open */ +#define OPEN 1 /* file open, but no I/O buffer allocated yet */ +#define RDWR 2 /* open, buffer allocated, ok to read or write */ +#define RD 3 /* open, buffer allocated, ok to read but not write */ +#define WR 4 /* open, buffer allocated, ok to write but not read */ +#define ERR 5 /* open, but an uncleared error occurred */ +#define END 6 /* open, but at eof */ +char *strerror(int errno); +int _IO_setvbuf(FILE *); +FILE *_IO_sopenr(const char*); +FILE *_IO_sopenw(void); +char *_IO_sclose(FILE *); diff --git a/sys/src/ape/lib/ap/stdio/mkfile b/sys/src/ape/lib/ap/stdio/mkfile new file mode 100755 index 000000000..17be0da58 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/mkfile @@ -0,0 +1,68 @@ +APE=/sys/src/ape +<$APE/config +LIB=/$objtype/lib/ape/libap.a +OFILES=\ + _IO_getc.$O\ + _IO_putc.$O\ + _dtoa.$O\ + _fconv.$O\ + clearerr.$O\ + atexit.$O\ + exit.$O\ + fclose.$O\ + fdopen.$O\ + feof.$O\ + ferror.$O\ + fflush.$O\ + fgetc.$O\ + fgetpos.$O\ + fgets.$O\ + fileno.$O\ + fopen.$O\ + fprintf.$O\ + fputc.$O\ + fputs.$O\ + fread.$O\ + freopen.$O\ + fscanf.$O\ + fseek.$O\ + fseeko.$O\ + fsetpos.$O\ + ftell.$O\ + ftello.$O\ + ftoa.$O\ + fwrite.$O\ + getc.$O\ + getchar.$O\ + gets.$O\ + perror.$O\ + pow10.$O\ + printf.$O\ + putc.$O\ + putchar.$O\ + puts.$O\ + remove.$O\ + rewind.$O\ + scanf.$O\ + sclose.$O\ + setbuf.$O\ + setvbuf.$O\ + snprintf.$O\ + sopenr.$O\ + sopenw.$O\ + sprintf.$O\ + sscanf.$O\ + stdio.$O\ + strerror.$O\ + strtod.$O\ + tmpnam.$O\ + ungetc.$O\ + vfprintf.$O\ + vfscanf.$O\ + vprintf.$O\ + vsprintf.$O\ + vsnprintf.$O\ + +</sys/src/cmd/mksyslib + +CFLAGS=-c -D_POSIX_SOURCE diff --git a/sys/src/ape/lib/ap/stdio/perror.c b/sys/src/ape/lib/ap/stdio/perror.c new file mode 100755 index 000000000..71f5c41f0 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/perror.c @@ -0,0 +1,11 @@ +/* + * pANS stdio -- perror + */ +#include "iolib.h" +void perror(const char *s){ + extern int errno; + if(s!=NULL && *s != '\0') fputs(s, stderr), fputs(": ", stderr); + fputs(strerror(errno), stderr); + putc('\n', stderr); + fflush(stderr); +} diff --git a/sys/src/ape/lib/ap/stdio/pow10.c b/sys/src/ape/lib/ap/stdio/pow10.c new file mode 100755 index 000000000..fc2aec265 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/pow10.c @@ -0,0 +1,30 @@ +#include <errno.h> +#include <float.h> +#include <math.h> + +static long tab[] = +{ + 1L, 10L, 100L, 1000L, 10000L, + 100000L, 1000000L, 10000000L +}; + +double +pow10(int n) +{ + int m; + + if(n > DBL_MAX_10_EXP){ + errno = ERANGE; + return HUGE_VAL; + } + if(n < DBL_MIN_10_EXP){ + errno = ERANGE; + return 0.0; + } + if(n < 0) + return 1/pow10(-n); + if(n < sizeof(tab)/sizeof(tab[0])) + return tab[n]; + m = n/2; + return pow10(m) * pow10(n-m); +} diff --git a/sys/src/ape/lib/ap/stdio/printf.c b/sys/src/ape/lib/ap/stdio/printf.c new file mode 100755 index 000000000..8880b9d8d --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/printf.c @@ -0,0 +1,12 @@ +/* + * pANS stdio -- printf + */ +#include "iolib.h" +int printf(const char *fmt, ...){ + int n; + va_list args; + va_start(args, fmt); + n=vfprintf(stdout, fmt, args); + va_end(args); + return n; +} diff --git a/sys/src/ape/lib/ap/stdio/putc.c b/sys/src/ape/lib/ap/stdio/putc.c new file mode 100755 index 000000000..9cffeeb01 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/putc.c @@ -0,0 +1,8 @@ +/* + * pANS stdio -- putc + */ +#include "iolib.h" +#undef putc +int putc(int c, FILE *f){ + return fputc(c, f); +} diff --git a/sys/src/ape/lib/ap/stdio/putchar.c b/sys/src/ape/lib/ap/stdio/putchar.c new file mode 100755 index 000000000..7350012f2 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/putchar.c @@ -0,0 +1,8 @@ +/* + * pANS stdio -- getchar + */ +#include "iolib.h" +#undef putchar +int putchar(int c){ + return fputc(c, stdout); +} diff --git a/sys/src/ape/lib/ap/stdio/puts.c b/sys/src/ape/lib/ap/stdio/puts.c new file mode 100755 index 000000000..b25c4718d --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/puts.c @@ -0,0 +1,9 @@ +/* + * pANS stdio -- puts + */ +#include "iolib.h" +int puts(const char *s){ + fputs(s, stdout); + putchar('\n'); + return ferror(stdin)?EOF:0; +} diff --git a/sys/src/ape/lib/ap/stdio/rdline.c b/sys/src/ape/lib/ap/stdio/rdline.c new file mode 100755 index 000000000..6281a97e8 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/rdline.c @@ -0,0 +1,65 @@ +/* + * pANS stdio -- rdline + * This is not a pANS routine. + */ +#include "iolib.h" +#include <string.h> + +char *rdline(FILE *f, char **ep){ + int cnt; + char *nlp, *vp; + switch(f->state){ + default: /* CLOSED, WR, ERR, EOF */ + return NULL; + case OPEN: + _IO_setvbuf(f); + case RDWR: + f->state=RD; + case RD: + if(f->bufl==0){ /* Called by a comedian! */ + f->state=ERR; + return NULL; + } + vp=f->rp; + for(;;){ + /* + * Look for a newline. + * If none found, slide the partial line to the beginning + * of the buffer, read some more and keep looking. + */ + nlp=memchr(f->rp, '\n', f->wp-f->rp); + if(nlp!=0) break; + if(f->flags&STRING){ + f->rp=f->wp; + if(ep) *ep=f->wp; + return vp; + } + if(f->rp!=f->buf){ + memmove(f->buf, f->rp, f->wp-f->rp); + f->wp-=f->rp-f->buf; + f->rp=f->buf; + vp=f->rp; + } + cnt=f->bufl-(f->wp-f->buf); + if(cnt==0){ /* no room left */ + nlp=f->wp-1; + break; + } + cnt=read(f->fd, f->wp, cnt); + if(cnt==-1){ + f->state=ERR; + return NULL; + } + if(cnt==0){ /* is this ok? */ + f->state=EOF; + return NULL; + } + f->rp=f->wp; + f->wp+=cnt; + } + *nlp='\0'; + f->rp=nlp+1; + if(ep) *ep=nlp; + return vp; + } +} diff --git a/sys/src/ape/lib/ap/stdio/remove.c b/sys/src/ape/lib/ap/stdio/remove.c new file mode 100755 index 000000000..bb30c94d5 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/remove.c @@ -0,0 +1,7 @@ +/* + * pANS stdio -- remove + */ +#include "iolib.h" +int remove(const char *f){ + return unlink((char *)f); +} diff --git a/sys/src/ape/lib/ap/stdio/rename.c b/sys/src/ape/lib/ap/stdio/rename.c new file mode 100755 index 000000000..6232407f1 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/rename.c @@ -0,0 +1,12 @@ +/* + * pANS stdio -- rename + */ +#include "iolib.h" +int rename(const char *old, const char *new){ + if(link((char *)old, (char *)new)<0) return -1; + if(unlink((char *)old)<0){ + unlink((char *)new); + return -1; + } + return 0; +} diff --git a/sys/src/ape/lib/ap/stdio/rewind.c b/sys/src/ape/lib/ap/stdio/rewind.c new file mode 100755 index 000000000..0cfdb957c --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/rewind.c @@ -0,0 +1,7 @@ +/* + * pANS stdio -- rewind + */ +#include "iolib.h" +void rewind(FILE *f){ + fseek(f, 0L, SEEK_SET); +} diff --git a/sys/src/ape/lib/ap/stdio/scanf.c b/sys/src/ape/lib/ap/stdio/scanf.c new file mode 100755 index 000000000..30a631cc9 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/scanf.c @@ -0,0 +1,12 @@ +/* + * pANS stdio -- scanf + */ +#include "iolib.h" +int scanf(const char *fmt, ...){ + int n; + va_list args; + va_start(args, fmt); + n=vfscanf(stdin, fmt, args); + va_end(args); + return n; +} diff --git a/sys/src/ape/lib/ap/stdio/sclose.c b/sys/src/ape/lib/ap/stdio/sclose.c new file mode 100755 index 000000000..d55396a3a --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/sclose.c @@ -0,0 +1,37 @@ +/* + * pANS stdio -- sclose + */ +#include "iolib.h" +#include <stdlib.h> + +char *_IO_sclose(FILE *f){ + switch(f->state){ + default: /* ERR CLOSED */ + if(f->buf && f->flags&BALLOC) + free(f->buf); + f->state=CLOSED; + f->flags=0; + return NULL; + case OPEN: + f->buf=malloc(1); + f->buf[0]='\0'; + break; + case RD: + case END: + f->flags=0; + break; + case RDWR: + case WR: + if(f->wp==f->rp){ + if(f->flags&BALLOC) + f->buf=realloc(f->buf, f->bufl+1); + if(f->buf==NULL) return NULL; + } + *f->wp='\0'; + f->flags=0; + break; + } + f->state=CLOSED; + f->flags=0; + return f->buf; +} diff --git a/sys/src/ape/lib/ap/stdio/setbuf.c b/sys/src/ape/lib/ap/stdio/setbuf.c new file mode 100755 index 000000000..31c5d3e1e --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/setbuf.c @@ -0,0 +1,17 @@ +/* + * pANS stdio -- setbuf + */ +#include "iolib.h" +void setbuf(FILE *f, char *buf){ + if(f->state==OPEN){ + if(buf) + f->bufl=BUFSIZ; + else{ + buf=f->unbuf; + f->bufl=0; + } + f->rp=f->wp=f->lp=f->buf=buf; + f->state=RDWR; + } + /* else error, but there's no way to report it */ +} diff --git a/sys/src/ape/lib/ap/stdio/setvbuf.c b/sys/src/ape/lib/ap/stdio/setvbuf.c new file mode 100755 index 000000000..58bea0098 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/setvbuf.c @@ -0,0 +1,39 @@ +/* + * pANS stdio -- setvbuf + */ +#include "iolib.h" +#include <stdlib.h> +int setvbuf(FILE *f, char *buf, int mode, size_t size){ + if(f->state!=OPEN){ + f->state=ERR; + return -1; + } + f->state=RDWR; + switch(mode){ + case _IOLBF: + f->flags|=LINEBUF; + case _IOFBF: + if(buf==0){ + buf=malloc(size); + if(buf==0){ + f->state=ERR; + return -1; + } + f->flags|=BALLOC; + } + f->bufl=size; + break; + case _IONBF: + buf=f->unbuf; + f->bufl=0; + break; + } + f->rp=f->wp=f->lp=f->buf=buf; + f->state=RDWR; + return 0; +} +int _IO_setvbuf(FILE *f){ + if(f==stderr || (f==stdout && isatty(1))) + return setvbuf(f, (char *)0, _IOLBF, BUFSIZ); + return setvbuf(f, (char *)0, _IOFBF, BUFSIZ); +} diff --git a/sys/src/ape/lib/ap/stdio/snprintf.c b/sys/src/ape/lib/ap/stdio/snprintf.c new file mode 100755 index 000000000..0c5c2ae8f --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/snprintf.c @@ -0,0 +1,20 @@ +/* + * pANS stdio -- sprintf + */ +#define _C99_SNPRINTF_EXTENSION + +#include "iolib.h" + +int snprintf(char *buf, size_t nbuf, const char *fmt, ...){ + int n; + va_list args; + FILE *f=_IO_sopenw(); + if(f==NULL) + return 0; + setvbuf(f, buf, _IOFBF, nbuf); + va_start(args, fmt); + n=vfprintf(f, fmt, args); + va_end(args); + _IO_sclose(f); + return n; +} diff --git a/sys/src/ape/lib/ap/stdio/sopenr.c b/sys/src/ape/lib/ap/stdio/sopenr.c new file mode 100755 index 000000000..279ec726b --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/sopenr.c @@ -0,0 +1,18 @@ +/* + * pANS stdio -- sopenr + */ +#include "iolib.h" +#include <string.h> + +FILE *_IO_sopenr(const char *s){ + FILE *f; + for(f=_IO_stream;f!=&_IO_stream[FOPEN_MAX];f++) if(f->state==CLOSED) break; + if(f==&_IO_stream[FOPEN_MAX]) return NULL; + f->buf=f->rp=(char *)s; /* what an annoyance const is */ + f->bufl=strlen(s); + f->wp=f->buf+f->bufl; + f->state=RD; + f->flags=STRING; + f->fd=-1; + return f; +} diff --git a/sys/src/ape/lib/ap/stdio/sopenw.c b/sys/src/ape/lib/ap/stdio/sopenw.c new file mode 100755 index 000000000..d13634333 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/sopenw.c @@ -0,0 +1,15 @@ +/* + * pANS stdio -- sopenw + */ +#include "iolib.h" + +FILE *_IO_sopenw(void){ + FILE *f; + for(f=_IO_stream;f!=&_IO_stream[FOPEN_MAX];f++) if(f->state==CLOSED) break; + if(f==&_IO_stream[FOPEN_MAX]) return NULL; + f->buf=f->rp=f->wp=0; + f->state=OPEN; + f->flags=STRING; + f->fd=-1; + return f; +} diff --git a/sys/src/ape/lib/ap/stdio/sprintf.c b/sys/src/ape/lib/ap/stdio/sprintf.c new file mode 100755 index 000000000..5143bccf3 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/sprintf.c @@ -0,0 +1,17 @@ +/* + * pANS stdio -- sprintf + */ +#include "iolib.h" +int sprintf(char *buf, const char *fmt, ...){ + int n; + va_list args; + FILE *f=_IO_sopenw(); + if(f==NULL) + return 0; + setvbuf(f, buf, _IOFBF, 100000); + va_start(args, fmt); + n=vfprintf(f, fmt, args); + va_end(args); + _IO_sclose(f); + return n; +} diff --git a/sys/src/ape/lib/ap/stdio/sscanf.c b/sys/src/ape/lib/ap/stdio/sscanf.c new file mode 100755 index 000000000..3e1d9b675 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/sscanf.c @@ -0,0 +1,14 @@ +/* + * pANS stdio -- sscanf + */ +#include "iolib.h" +int sscanf(const char *s, const char *fmt, ...){ + int n; + FILE *f=_IO_sopenr(s); + va_list args; + va_start(args, fmt); + n=vfscanf(f, fmt, args); + va_end(args); + _IO_sclose(f); + return n; +} diff --git a/sys/src/ape/lib/ap/stdio/stdio.c b/sys/src/ape/lib/ap/stdio/stdio.c new file mode 100755 index 000000000..854efe42b --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/stdio.c @@ -0,0 +1,10 @@ +/* + * pANS stdio -- data + */ +#include "iolib.h" +FILE _IO_stream[]={ +/* fd flags state buf rp wp lp bufl unbuf */ + 0, 0, OPEN, 0, 0, 0, 0, 0, 0, + 1, 0, OPEN, 0, 0, 0, 0, 0, 0, + 2, 0, OPEN, 0, 0, 0, 0, 0, 0, +}; diff --git a/sys/src/ape/lib/ap/stdio/strerror.c b/sys/src/ape/lib/ap/stdio/strerror.c new file mode 100755 index 000000000..71685d906 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/strerror.c @@ -0,0 +1,106 @@ +/* + * pANS stdio -- strerror (not really in stdio) + * + * Shouldn't really call this sys_errlist or make it + * externally visible, but too many programs in X assume it... + */ +#include <string.h> +#include <errno.h> + +#include "iolib.h" + +char *sys_errlist[] = { + "Error 0", + "Too big", + "Access denied", + "Try again", + "Bad file number", + "In use", + "No children", + "Deadlock", + "File exists", + "Bad address", + "File too large", + "Interrupted system call", + "Invalid argument", + "I/O error", + "Is a directory", + "Too many open files", + "Too many links", + "Name too long", + "File table overflow", + "No such device", + "No such file or directory", + "Exec format error", + "Not enough locks", + "Not enough memory", + "No space left on device", + "No such system call", + "Not a directory", + "Directory not empty", + "Inappropriate ioctl", + "No such device or address", + "Permission denied", + "Broken pipe", + "Read-only file system", + "Illegal seek", + "No such process", + "Cross-device link", + + /* bsd networking software */ + "Not a socket", + "Protocol not supported", /* EPROTONOSUPPORT, EPROTOTYPE */ +/* "Protocol wrong type for socket", /* EPROTOTYPE */ + "Connection refused", + "Address family not supported", + "No buffers", + "OP not supported", + "Address in use", + "Destination address required", + "Message size", + "Protocol option not supported", + "Socket option not supported", + "Protocol family not supported", /* EPFNOSUPPORT */ + "Address not available", + "Network down", + "Network unreachable", + "Network reset", + "Connection aborted", + "Connected", + "Not connected", + "Shut down", + "Too many references", + "Timed out", + "Host down", + "Host unreachable", + "Unknown error", /* EGREG */ + + /* These added in 1003.1b-1993 */ + "Operation canceled", + "Operation in progress" +}; +#define _IO_nerr (sizeof sys_errlist/sizeof sys_errlist[0]) +int sys_nerr = _IO_nerr; +extern char _plan9err[]; + +char * +strerror(int n) +{ + if(n == EPLAN9) + return _plan9err; + if(n >= 0 && n < _IO_nerr) + return sys_errlist[n]; + if(n == EDOM) + return "Domain error"; + else if(n == ERANGE) + return "Range error"; + else + return "Unknown error"; +} + +char * +strerror_r(int n, char *buf, int len) +{ + strncpy(buf, strerror(n), len); + buf[len-1] = 0; +} diff --git a/sys/src/ape/lib/ap/stdio/strtod.c b/sys/src/ape/lib/ap/stdio/strtod.c new file mode 100755 index 000000000..ff820ef62 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/strtod.c @@ -0,0 +1,731 @@ +#include "fconv.h" + +/* strtod for IEEE-, VAX-, and IBM-arithmetic machines (dmg). + * + * This strtod returns a nearest machine number to the input decimal + * string (or sets errno to ERANGE). With IEEE arithmetic, ties are + * broken by the IEEE round-even rule. Otherwise ties are broken by + * biased rounding (add half and chop). + * + * Inspired loosely by William D. Clinger's paper "How to Read Floating + * Point Numbers Accurately" [Proc. ACM SIGPLAN '90, pp. 92-101]. + * + * Modifications: + * + * 1. We only require IEEE, IBM, or VAX double-precision + * arithmetic (not IEEE double-extended). + * 2. We get by with floating-point arithmetic in a case that + * Clinger missed -- when we're computing d * 10^n + * for a small integer d and the integer n is not too + * much larger than 22 (the maximum integer k for which + * we can represent 10^k exactly), we may be able to + * compute (d*10^k) * 10^(e-k) with just one roundoff. + * 3. Rather than a bit-at-a-time adjustment of the binary + * result in the hard case, we use floating-point + * arithmetic to determine the adjustment to within + * one bit; only in really hard cases do we need to + * compute a second residual. + * 4. Because of 3., we don't need a large table of powers of 10 + * for ten-to-e (just some small tables, e.g. of 10^k + * for 0 <= k <= 22). + */ + +#ifdef RND_PRODQUOT +#define rounded_product(a,b) a = rnd_prod(a, b) +#define rounded_quotient(a,b) a = rnd_quot(a, b) +extern double rnd_prod(double, double), rnd_quot(double, double); +#else +#define rounded_product(a,b) a *= b +#define rounded_quotient(a,b) a /= b +#endif + + static double +ulp(double xarg) +{ + register long L; + Dul a; + Dul x; + + x.d = xarg; + L = (word0(x) & Exp_mask) - (P-1)*Exp_msk1; +#ifndef Sudden_Underflow + if (L > 0) { +#endif +#ifdef IBM + L |= Exp_msk1 >> 4; +#endif + word0(a) = L; + word1(a) = 0; +#ifndef Sudden_Underflow + } + else { + L = -L >> Exp_shift; + if (L < Exp_shift) { + word0(a) = 0x80000 >> L; + word1(a) = 0; + } + else { + word0(a) = 0; + L -= Exp_shift; + word1(a) = L >= 31 ? 1 : 1 << 31 - L; + } + } +#endif + return a.d; + } + + static Bigint * +s2b(CONST char *s, int nd0, int nd, unsigned long y9) +{ + Bigint *b; + int i, k; + long x, y; + + x = (nd + 8) / 9; + for(k = 0, y = 1; x > y; y <<= 1, k++) ; +#ifdef Pack_32 + b = Balloc(k); + b->x[0] = y9; + b->wds = 1; +#else + b = Balloc(k+1); + b->x[0] = y9 & 0xffff; + b->wds = (b->x[1] = y9 >> 16) ? 2 : 1; +#endif + + i = 9; + if (9 < nd0) { + s += 9; + do b = multadd(b, 10, *s++ - '0'); + while(++i < nd0); + s++; + } + else + s += 10; + for(; i < nd; i++) + b = multadd(b, 10, *s++ - '0'); + return b; + } + + static double +b2d(Bigint *a, int *e) +{ + unsigned long *xa, *xa0, w, y, z; + int k; + Dul d; +#ifdef VAX + unsigned long d0, d1; +#else +#define d0 word0(d) +#define d1 word1(d) +#endif + + xa0 = a->x; + xa = xa0 + a->wds; + y = *--xa; +#ifdef DEBUG + if (!y) Bug("zero y in b2d"); +#endif + k = hi0bits(y); + *e = 32 - k; +#ifdef Pack_32 + if (k < Ebits) { + d0 = Exp_1 | y >> Ebits - k; + w = xa > xa0 ? *--xa : 0; + d1 = y << (32-Ebits) + k | w >> Ebits - k; + goto ret_d; + } + z = xa > xa0 ? *--xa : 0; + if (k -= Ebits) { + d0 = Exp_1 | y << k | z >> 32 - k; + y = xa > xa0 ? *--xa : 0; + d1 = z << k | y >> 32 - k; + } + else { + d0 = Exp_1 | y; + d1 = z; + } +#else + if (k < Ebits + 16) { + z = xa > xa0 ? *--xa : 0; + d0 = Exp_1 | y << k - Ebits | z >> Ebits + 16 - k; + w = xa > xa0 ? *--xa : 0; + y = xa > xa0 ? *--xa : 0; + d1 = z << k + 16 - Ebits | w << k - Ebits | y >> 16 + Ebits - k; + goto ret_d; + } + z = xa > xa0 ? *--xa : 0; + w = xa > xa0 ? *--xa : 0; + k -= Ebits + 16; + d0 = Exp_1 | y << k + 16 | z << k | w >> 16 - k; + y = xa > xa0 ? *--xa : 0; + d1 = w << k + 16 | y << k; +#endif + ret_d: +#ifdef VAX + word0(d) = d0 >> 16 | d0 << 16; + word1(d) = d1 >> 16 | d1 << 16; +#else +#undef d0 +#undef d1 +#endif + return d.d; + } + + static double +ratio(Bigint *a, Bigint *b) +{ + Dul da, db; + int k, ka, kb; + + da.d = b2d(a, &ka); + db.d = b2d(b, &kb); +#ifdef Pack_32 + k = ka - kb + 32*(a->wds - b->wds); +#else + k = ka - kb + 16*(a->wds - b->wds); +#endif +#ifdef IBM + if (k > 0) { + word0(da) += (k >> 2)*Exp_msk1; + if (k &= 3) + da *= 1 << k; + } + else { + k = -k; + word0(db) += (k >> 2)*Exp_msk1; + if (k &= 3) + db *= 1 << k; + } +#else + if (k > 0) + word0(da) += k*Exp_msk1; + else { + k = -k; + word0(db) += k*Exp_msk1; + } +#endif + return da.d / db.d; + } + + double +strtod(CONST char *s00, char **se) +{ + int bb2, bb5, bbe, bd2, bd5, bbbits, bs2, c, dsign, + e, e1, esign, i, j, k, nd, nd0, nf, nz, nz0, sign; + CONST char *s, *s0, *s1; + double aadj, aadj1, adj; + Dul rv, rv0; + long L; + unsigned long y, z; + Bigint *bb, *bb1, *bd, *bd0, *bs, *delta; + sign = nz0 = nz = 0; + rv.d = 0.; + for(s = s00;;s++) switch(*s) { + case '-': + sign = 1; + /* no break */ + case '+': + if (*++s) + goto break2; + /* no break */ + case 0: + s = s00; + goto ret; + case '\t': + case '\n': + case '\v': + case '\f': + case '\r': + case ' ': + continue; + default: + goto break2; + } + break2: + if (*s == '0') { + nz0 = 1; + while(*++s == '0') ; + if (!*s) + goto ret; + } + s0 = s; + y = z = 0; + for(nd = nf = 0; (c = *s) >= '0' && c <= '9'; nd++, s++) + if (nd < 9) + y = 10*y + c - '0'; + else if (nd < 16) + z = 10*z + c - '0'; + nd0 = nd; + if (c == '.') { + c = *++s; + if (!nd) { + for(; c == '0'; c = *++s) + nz++; + if (c > '0' && c <= '9') { + s0 = s; + nf += nz; + nz = 0; + goto have_dig; + } + goto dig_done; + } + for(; c >= '0' && c <= '9'; c = *++s) { + have_dig: + nz++; + if (c -= '0') { + nf += nz; + for(i = 1; i < nz; i++) + if (nd++ < 9) + y *= 10; + else if (nd <= DBL_DIG + 1) + z *= 10; + if (nd++ < 9) + y = 10*y + c; + else if (nd <= DBL_DIG + 1) + z = 10*z + c; + nz = 0; + } + } + } + dig_done: + e = 0; + if (c == 'e' || c == 'E') { + if (!nd && !nz && !nz0) { + s = s00; + goto ret; + } + s00 = s; + esign = 0; + switch(c = *++s) { + case '-': + esign = 1; + case '+': + c = *++s; + } + if (c >= '0' && c <= '9') { + while(c == '0') + c = *++s; + if (c > '0' && c <= '9') { + e = c - '0'; + s1 = s; + while((c = *++s) >= '0' && c <= '9') + e = 10*e + c - '0'; + if (s - s1 > 8) + /* Avoid confusion from exponents + * so large that e might overflow. + */ + e = 9999999; + if (esign) + e = -e; + } + else + e = 0; + } + else + s = s00; + } + if (!nd) { + if (!nz && !nz0) + s = s00; + goto ret; + } + e1 = e -= nf; + + /* Now we have nd0 digits, starting at s0, followed by a + * decimal point, followed by nd-nd0 digits. The number we're + * after is the integer represented by those digits times + * 10**e */ + + if (!nd0) + nd0 = nd; + k = nd < DBL_DIG + 1 ? nd : DBL_DIG + 1; + rv.d = y; + if (k > 9) + rv.d = tens[k - 9] * rv.d + z; + bd0 = 0; + if (nd <= DBL_DIG +#ifndef RND_PRODQUOT + && FLT_ROUNDS == 1 +#endif + ) { + if (!e) + goto ret; + if (e > 0) { + if (e <= Ten_pmax) { +#ifdef VAX + goto vax_ovfl_check; +#else + /* rv = */ rounded_product(rv.d, tens[e]); + goto ret; +#endif + } + i = DBL_DIG - nd; + if (e <= Ten_pmax + i) { + /* A fancier test would sometimes let us do + * this for larger i values. + */ + e -= i; + rv.d *= tens[i]; +#ifdef VAX + /* VAX exponent range is so narrow we must + * worry about overflow here... + */ + vax_ovfl_check: + word0(rv) -= P*Exp_msk1; + /* rv = */ rounded_product(rv.d, tens[e]); + if ((word0(rv) & Exp_mask) + > Exp_msk1*(DBL_MAX_EXP+Bias-1-P)) + goto ovfl; + word0(rv) += P*Exp_msk1; +#else + /* rv = */ rounded_product(rv.d, tens[e]); +#endif + goto ret; + } + } + else if (e >= -Ten_pmax) { + /* rv = */ rounded_quotient(rv.d, tens[-e]); + goto ret; + } + } + e1 += nd - k; + + /* Get starting approximation = rv * 10**e1 */ + + if (e1 > 0) { + if (nd0 + e1 - 1 > DBL_MAX_10_EXP) + goto ovfl; + if (i = e1 & 15) + rv.d *= tens[i]; + if (e1 &= ~15) { + if (e1 > DBL_MAX_10_EXP) { + ovfl: + errno = ERANGE; + rv.d = HUGE_VAL; + if (bd0) + goto retfree; + goto ret; + } + if (e1 >>= 4) { + for(j = 0; e1 > 1; j++, e1 >>= 1) + if (e1 & 1) + rv.d *= bigtens[j]; + /* The last multiplication could overflow. */ + word0(rv) -= P*Exp_msk1; + rv.d *= bigtens[j]; + if ((z = word0(rv) & Exp_mask) + > Exp_msk1*(DBL_MAX_EXP+Bias-P)) + goto ovfl; + if (z > Exp_msk1*(DBL_MAX_EXP+Bias-1-P)) { + /* set to largest number */ + /* (Can't trust DBL_MAX) */ + word0(rv) = Big0; + word1(rv) = Big1; + } + else + word0(rv) += P*Exp_msk1; + } + + } + } + else if (e1 < 0) { + e1 = -e1; + if (i = e1 & 15) + rv.d /= tens[i]; + if (e1 &= ~15) { + e1 >>= 4; + if (e1 >= 1 << n_bigtens) + goto undfl; + for(j = 0; e1 > 1; j++, e1 >>= 1) + if (e1 & 1) + rv.d *= tinytens[j]; + /* The last multiplication could underflow. */ + rv0.d = rv.d; + rv.d *= tinytens[j]; + if (rv.d == 0) { + rv.d = 2.*rv0.d; + rv.d *= tinytens[j]; + if (rv.d == 0) { + undfl: + rv.d = 0.; + errno = ERANGE; + if (bd0) + goto retfree; + goto ret; + } + word0(rv) = Tiny0; + word1(rv) = Tiny1; + /* The refinement below will clean + * this approximation up. + */ + } + } + } + + /* Now the hard part -- adjusting rv to the correct value.*/ + + /* Put digits into bd: true value = bd * 10^e */ + + bd0 = s2b(s0, nd0, nd, y); + + for(;;) { + bd = Balloc(bd0->k); + Bcopy(bd, bd0); + bb = d2b(rv.d, &bbe, &bbbits); /* rv = bb * 2^bbe */ + bs = i2b(1); + + if (e >= 0) { + bb2 = bb5 = 0; + bd2 = bd5 = e; + } + else { + bb2 = bb5 = -e; + bd2 = bd5 = 0; + } + if (bbe >= 0) + bb2 += bbe; + else + bd2 -= bbe; + bs2 = bb2; +#ifdef Sudden_Underflow +#ifdef IBM + j = 1 + 4*P - 3 - bbbits + ((bbe + bbbits - 1) & 3); +#else + j = P + 1 - bbbits; +#endif +#else + i = bbe + bbbits - 1; /* logb(rv) */ + if (i < Emin) /* denormal */ + j = bbe + (P-Emin); + else + j = P + 1 - bbbits; +#endif + bb2 += j; + bd2 += j; + i = bb2 < bd2 ? bb2 : bd2; + if (i > bs2) + i = bs2; + if (i > 0) { + bb2 -= i; + bd2 -= i; + bs2 -= i; + } + if (bb5 > 0) { + bs = pow5mult(bs, bb5); + bb1 = mult(bs, bb); + Bfree(bb); + bb = bb1; + } + if (bb2 > 0) + bb = lshift(bb, bb2); + if (bd5 > 0) + bd = pow5mult(bd, bd5); + if (bd2 > 0) + bd = lshift(bd, bd2); + if (bs2 > 0) + bs = lshift(bs, bs2); + delta = diff(bb, bd); + dsign = delta->sign; + delta->sign = 0; + i = cmp(delta, bs); + if (i < 0) { + /* Error is less than half an ulp -- check for + * special case of mantissa a power of two. + */ + if (dsign || word1(rv) || word0(rv) & Bndry_mask) + break; + delta = lshift(delta,Log2P); + if (cmp(delta, bs) > 0) + goto drop_down; + break; + } + if (i == 0) { + /* exactly half-way between */ + if (dsign) { + if ((word0(rv) & Bndry_mask1) == Bndry_mask1 + && word1(rv) == 0xffffffff) { + /*boundary case -- increment exponent*/ + word0(rv) = (word0(rv) & Exp_mask) + + Exp_msk1 +#ifdef IBM + | Exp_msk1 >> 4 +#endif + ; + word1(rv) = 0; + break; + } + } + else if (!(word0(rv) & Bndry_mask) && !word1(rv)) { + drop_down: + /* boundary case -- decrement exponent */ +#ifdef Sudden_Underflow + L = word0(rv) & Exp_mask; +#ifdef IBM + if (L < Exp_msk1) +#else + if (L <= Exp_msk1) +#endif + goto undfl; + L -= Exp_msk1; +#else + L = (word0(rv) & Exp_mask) - Exp_msk1; +#endif + word0(rv) = L | Bndry_mask1; + word1(rv) = 0xffffffff; +#ifdef IBM + goto cont; +#else + break; +#endif + } +#ifndef ROUND_BIASED + if (!(word1(rv) & LSB)) + break; +#endif + if (dsign) + rv.d += ulp(rv.d); +#ifndef ROUND_BIASED + else { + rv.d -= ulp(rv.d); +#ifndef Sudden_Underflow + if (rv.d == 0) + goto undfl; +#endif + } +#endif + break; + } + if ((aadj = ratio(delta, bs)) <= 2.) { + if (dsign) + aadj = aadj1 = 1.; + else if (word1(rv) || word0(rv) & Bndry_mask) { +#ifndef Sudden_Underflow + if (word1(rv) == Tiny1 && !word0(rv)) + goto undfl; +#endif + aadj = 1.; + aadj1 = -1.; + } + else { + /* special case -- power of FLT_RADIX to be */ + /* rounded down... */ + + if (aadj < 2./FLT_RADIX) + aadj = 1./FLT_RADIX; + else + aadj *= 0.5; + aadj1 = -aadj; + } + } + else { + aadj *= 0.5; + aadj1 = dsign ? aadj : -aadj; +#ifdef Check_FLT_ROUNDS + switch(FLT_ROUNDS) { + case 2: /* towards +infinity */ + aadj1 -= 0.5; + break; + case 0: /* towards 0 */ + case 3: /* towards -infinity */ + aadj1 += 0.5; + } +#else + if (FLT_ROUNDS == 0) + aadj1 += 0.5; +#endif + } + y = word0(rv) & Exp_mask; + + /* Check for overflow */ + + if (y == Exp_msk1*(DBL_MAX_EXP+Bias-1)) { + rv0.d = rv.d; + word0(rv) -= P*Exp_msk1; + adj = aadj1 * ulp(rv.d); + rv.d += adj; + if ((word0(rv) & Exp_mask) >= + Exp_msk1*(DBL_MAX_EXP+Bias-P)) { + if (word0(rv0) == Big0 && word1(rv0) == Big1) + goto ovfl; + word0(rv) = Big0; + word1(rv) = Big1; + goto cont; + } + else + word0(rv) += P*Exp_msk1; + } + else { +#ifdef Sudden_Underflow + if ((word0(rv) & Exp_mask) <= P*Exp_msk1) { + rv0.d = rv.d; + word0(rv) += P*Exp_msk1; + adj = aadj1 * ulp(rv.d); + rv.d += adj; +#ifdef IBM + if ((word0(rv) & Exp_mask) < P*Exp_msk1) +#else + if ((word0(rv) & Exp_mask) <= P*Exp_msk1) +#endif + { + if (word0(rv0) == Tiny0 + && word1(rv0) == Tiny1) + goto undfl; + word0(rv) = Tiny0; + word1(rv) = Tiny1; + goto cont; + } + else + word0(rv) -= P*Exp_msk1; + } + else { + adj = aadj1 * ulp(rv.d); + rv.d += adj; + } +#else + /* Compute adj so that the IEEE rounding rules will + * correctly round rv + adj in some half-way cases. + * If rv * ulp(rv) is denormalized (i.e., + * y <= (P-1)*Exp_msk1), we must adjust aadj to avoid + * trouble from bits lost to denormalization; + * example: 1.2e-307 . + */ + if (y <= (P-1)*Exp_msk1 && aadj >= 1.) { + aadj1 = (double)(int)(aadj + 0.5); + if (!dsign) + aadj1 = -aadj1; + } + adj = aadj1 * ulp(rv.d); + rv.d += adj; +#endif + } + z = word0(rv) & Exp_mask; + if (y == z) { + /* Can we stop now? */ + L = aadj; + aadj -= L; + /* The tolerances below are conservative. */ + if (dsign || word1(rv) || word0(rv) & Bndry_mask) { + if (aadj < .4999999 || aadj > .5000001) + break; + } + else if (aadj < .4999999/FLT_RADIX) + break; + } + cont: + Bfree(bb); + Bfree(bd); + Bfree(bs); + Bfree(delta); + } + retfree: + Bfree(bb); + Bfree(bd); + Bfree(bs); + Bfree(bd0); + Bfree(delta); + ret: + if (se) + *se = (char *)s; + return sign ? -rv.d : rv.d; + } diff --git a/sys/src/ape/lib/ap/stdio/tmpfile.c b/sys/src/ape/lib/ap/stdio/tmpfile.c new file mode 100755 index 000000000..751986c78 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/tmpfile.c @@ -0,0 +1,32 @@ +/* + * This file not used on plan9: see ../plan9/tmpfile.c + */ +/* + * pANS stdio -- tmpfile + * + * Bug: contains a critical section. Two executions by the same + * user could interleave as follows, both yielding the same file: + * access fails + * access fails + * fopen succeeds + * fopen succeeds + * unlink succeeds + * unlink fails + * As I read the pANS, this can't reasonably use tmpnam to generate + * the name, so that code is duplicated. + */ +#include "iolib.h" +FILE *tmpfile(void){ + FILE *f; + static char name[]="/tmp/tf000000000000"; + char *p; + while(access(name, 0)==0){ + p=name+7; + while(*p=='9') *p++='0'; + if(*p=='\0') return NULL; + ++*p; + } + f=fopen(name, "wb+"); + unlink(name); + return f; +} diff --git a/sys/src/ape/lib/ap/stdio/tmpnam.c b/sys/src/ape/lib/ap/stdio/tmpnam.c new file mode 100755 index 000000000..6ab301378 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/tmpnam.c @@ -0,0 +1,33 @@ +/* + * pANS stdio -- tmpnam + */ +#include "iolib.h" +#include <string.h> + +char * +tmpnam(char *s) +{ + static char name[] = "/tmp/tn000000000000"; + char *p; + + do { + p = name + 7; + while (*p == '9') + *p++ = '0'; + if (*p == '\0') + return NULL; + ++*p; + } while (access(name, 0) == 0); + if (s) { + strcpy(s, name); + return s; + } + return name; +} + + +char * +tmpnam_r(char *s) +{ + return s ? tmpnam(s) : NULL; +} diff --git a/sys/src/ape/lib/ap/stdio/ungetc.c b/sys/src/ape/lib/ap/stdio/ungetc.c new file mode 100755 index 000000000..3c071690b --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/ungetc.c @@ -0,0 +1,33 @@ +/* + * pANS stdio -- ungetc + */ +#include "iolib.h" +int ungetc(int c, FILE *f){ + if(c==EOF) return EOF; + switch(f->state){ + default: /* WR */ + f->state=ERR; + return EOF; + case CLOSED: + case ERR: + return EOF; + case OPEN: + _IO_setvbuf(f); + case RDWR: + case END: + f->wp=f->buf; + if(f->bufl==0) + f->wp += 1; + else + f->wp += f->bufl; + f->rp = f->wp; + f->state=RD; + case RD: + if(f->rp==f->buf) return EOF; + if(f->flags&STRING) + f->rp--; + else + *--f->rp=c; + return (char)c; + } +} diff --git a/sys/src/ape/lib/ap/stdio/vfprintf.c b/sys/src/ape/lib/ap/stdio/vfprintf.c new file mode 100755 index 000000000..dc8c406ff --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/vfprintf.c @@ -0,0 +1,566 @@ +/* + * pANS stdio -- vfprintf + */ +#include "iolib.h" +#include <stdarg.h> +#include <math.h> +#include <stdlib.h> +#include <string.h> +/* + * Leading flags + */ +#define SPACE 1 /* ' ' prepend space if no sign printed */ +#define ALT 2 /* '#' use alternate conversion */ +#define SIGN 4 /* '+' prepend sign, even if positive */ +#define LEFT 8 /* '-' left-justify */ +#define ZPAD 16 /* '0' zero-pad */ +/* + * Trailing flags + */ +#define SHORT 32 /* 'h' convert a short integer */ +#define LONG 64 /* 'l' convert a long integer */ +#define LDBL 128 /* 'L' convert a long double */ +#define PTR 256 /* convert a void * (%p) */ +#define VLONG 512 /* 'll' convert a long long integer */ + +static int lflag[] = { /* leading flags */ +0, 0, 0, 0, 0, 0, 0, 0, /* ^@ ^A ^B ^C ^D ^E ^F ^G */ +0, 0, 0, 0, 0, 0, 0, 0, /* ^H ^I ^J ^K ^L ^M ^N ^O */ +0, 0, 0, 0, 0, 0, 0, 0, /* ^P ^Q ^R ^S ^T ^U ^V ^W */ +0, 0, 0, 0, 0, 0, 0, 0, /* ^X ^Y ^Z ^[ ^\ ^] ^^ ^_ */ +SPACE, 0, 0, ALT, 0, 0, 0, 0, /* sp ! " # $ % & ' */ +0, 0, 0, SIGN, 0, LEFT, 0, 0, /* ( ) * + , - . / */ +ZPAD, 0, 0, 0, 0, 0, 0, 0, /* 0 1 2 3 4 5 6 7 */ +0, 0, 0, 0, 0, 0, 0, 0, /* 8 9 : ; < = > ? */ +0, 0, 0, 0, 0, 0, 0, 0, /* @ A B C D E F G */ +0, 0, 0, 0, 0, 0, 0, 0, /* H I J K L M N O */ +0, 0, 0, 0, 0, 0, 0, 0, /* P Q R S T U V W */ +0, 0, 0, 0, 0, 0, 0, 0, /* X Y Z [ \ ] ^ _ */ +0, 0, 0, 0, 0, 0, 0, 0, /* ` a b c d e f g */ +0, 0, 0, 0, 0, 0, 0, 0, /* h i j k l m n o */ +0, 0, 0, 0, 0, 0, 0, 0, /* p q r s t u v w */ +0, 0, 0, 0, 0, 0, 0, 0, /* x y z { | } ~ ^? */ + +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +}; + +static int tflag[] = { /* trailing flags */ +0, 0, 0, 0, 0, 0, 0, 0, /* ^@ ^A ^B ^C ^D ^E ^F ^G */ +0, 0, 0, 0, 0, 0, 0, 0, /* ^H ^I ^J ^K ^L ^M ^N ^O */ +0, 0, 0, 0, 0, 0, 0, 0, /* ^P ^Q ^R ^S ^T ^U ^V ^W */ +0, 0, 0, 0, 0, 0, 0, 0, /* ^X ^Y ^Z ^[ ^\ ^] ^^ ^_ */ +0, 0, 0, 0, 0, 0, 0, 0, /* sp ! " # $ % & ' */ +0, 0, 0, 0, 0, 0, 0, 0, /* ( ) * + , - . / */ +0, 0, 0, 0, 0, 0, 0, 0, /* 0 1 2 3 4 5 6 7 */ +0, 0, 0, 0, 0, 0, 0, 0, /* 8 9 : ; < = > ? */ +0, 0, 0, 0, 0, 0, 0, 0, /* @ A B C D E F G */ +0, 0, 0, 0, LDBL, 0, 0, 0, /* H I J K L M N O */ +0, 0, 0, 0, 0, 0, 0, 0, /* P Q R S T U V W */ +0, 0, 0, 0, 0, 0, 0, 0, /* X Y Z [ \ ] ^ _ */ +0, 0, 0, 0, 0, 0, 0, 0, /* ` a b c d e f g */ +SHORT, 0, 0, 0, LONG, 0, 0, 0, /* h i j k l m n o */ +0, 0, 0, 0, 0, 0, 0, 0, /* p q r s t u v w */ +0, 0, 0, 0, 0, 0, 0, 0, /* x y z { | } ~ ^? */ + +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +}; + +static int ocvt_E(FILE *, va_list *, int, int, int); +static int ocvt_G(FILE *, va_list *, int, int, int); +static int ocvt_X(FILE *, va_list *, int, int, int); +static int ocvt_c(FILE *, va_list *, int, int, int); +static int ocvt_d(FILE *, va_list *, int, int, int); +static int ocvt_e(FILE *, va_list *, int, int, int); +static int ocvt_f(FILE *, va_list *, int, int, int); +static int ocvt_g(FILE *, va_list *, int, int, int); +static int ocvt_n(FILE *, va_list *, int, int, int); +static int ocvt_o(FILE *, va_list *, int, int, int); +static int ocvt_p(FILE *, va_list *, int, int, int); +static int ocvt_s(FILE *, va_list *, int, int, int); +static int ocvt_u(FILE *, va_list *, int, int, int); +static int ocvt_x(FILE *, va_list *, int, int, int); + +static int(*ocvt[])(FILE *, va_list *, int, int, int) = { +0, 0, 0, 0, 0, 0, 0, 0, /* ^@ ^A ^B ^C ^D ^E ^F ^G */ +0, 0, 0, 0, 0, 0, 0, 0, /* ^H ^I ^J ^K ^L ^M ^N ^O */ +0, 0, 0, 0, 0, 0, 0, 0, /* ^P ^Q ^R ^S ^T ^U ^V ^W */ +0, 0, 0, 0, 0, 0, 0, 0, /* ^X ^Y ^Z ^[ ^\ ^] ^^ ^_ */ +0, 0, 0, 0, 0, 0, 0, 0, /* sp ! " # $ % & ' */ +0, 0, 0, 0, 0, 0, 0, 0, /* ( ) * + , - . / */ +0, 0, 0, 0, 0, 0, 0, 0, /* 0 1 2 3 4 5 6 7 */ +0, 0, 0, 0, 0, 0, 0, 0, /* 8 9 : ; < = > ? */ +0, 0, 0, 0, 0, ocvt_E, 0, ocvt_G, /* @ A B C D E F G */ +0, 0, 0, 0, 0, 0, 0, 0, /* H I J K L M N O */ +0, 0, 0, 0, 0, 0, 0, 0, /* P Q R S T U V W */ +ocvt_X, 0, 0, 0, 0, 0, 0, 0, /* X Y Z [ \ ] ^ _ */ +0, 0, 0, ocvt_c, ocvt_d, ocvt_e, ocvt_f, ocvt_g, /* ` a b c d e f g */ +0, ocvt_d, 0, 0, 0, 0, ocvt_n, ocvt_o, /* h i j k l m n o */ +ocvt_p, 0, 0, ocvt_s, 0, ocvt_u, 0, 0, /* p q r s t u v w */ +ocvt_x, 0, 0, 0, 0, 0, 0, 0, /* x y z { | } ~ ^? */ + +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +}; + +static int nprint; + +int +vfprintf(FILE *f, const char *s, va_list args) +{ + int tfl, flags, width, precision; + + nprint = 0; + while(*s){ + if(*s != '%'){ + putc(*s++, f); + nprint++; + continue; + } + s++; + flags = 0; + while(lflag[*s&_IO_CHMASK]) flags |= lflag[*s++&_IO_CHMASK]; + if(*s == '*'){ + width = va_arg(args, int); + s++; + if(width<0){ + flags |= LEFT; + width = -width; + } + } + else{ + width = 0; + while('0'<=*s && *s<='9') width = width*10 + *s++ - '0'; + } + if(*s == '.'){ + s++; + if(*s == '*'){ + precision = va_arg(args, int); + s++; + } + else{ + precision = 0; + while('0'<=*s && *s<='9') precision = precision*10 + *s++ - '0'; + } + } + else + precision = -1; + while(tfl = tflag[*s&_IO_CHMASK]){ + if(tfl == LONG && (flags & LONG)){ + flags &= ~LONG; + tfl = VLONG; + } + flags |= tfl; + s++; + } + if(ocvt[*s]) nprint += (*ocvt[*s++])(f, &args, flags, width, precision); + else if(*s){ + putc(*s++, f); + nprint++; + } + } + return ferror(f)? -1: nprint;; +} + +static int +ocvt_c(FILE *f, va_list *args, int flags, int width, int precision) +{ +#pragma ref precision + int i; + + if(!(flags&LEFT)) for(i=1; i<width; i++) putc(' ', f); + putc((unsigned char)va_arg(*args, int), f); + if(flags&LEFT) for(i=1; i<width; i++) putc(' ', f); + return width<1 ? 1 : width; +} + +static int +ocvt_s(FILE *f, va_list *args, int flags, int width, int precision) +{ + int i, n = 0; + char *s; + + s = va_arg(*args, char *); + if(!s) + s = ""; + if(!(flags&LEFT)){ + if(precision >= 0) + for(i=0; i!=precision && s[i]; i++); + else + for(i=0; s[i]; i++); + for(; i<width; i++){ + putc(' ', f); + n++; + } + } + if(precision >= 0){ + for(i=0; i!=precision && *s; i++){ + putc(*s++, f); + n++; + } + } else{ + for(i=0;*s;i++){ + putc(*s++, f); + n++; + } + } + if(flags&LEFT){ + for(; i<width; i++){ + putc(' ', f); + n++; + } + } + return n; +} + +static int +ocvt_n(FILE *f, va_list *args, int flags, int width, int precision) +{ +#pragma ref f +#pragma ref width +#pragma ref precision + if(flags&SHORT) + *va_arg(*args, short *) = nprint; + else if(flags&LONG) + *va_arg(*args, long *) = nprint; + else if(flags&VLONG) + *va_arg(*args, long long*) = nprint; + else + *va_arg(*args, int *) = nprint; + return 0; +} + +/* + * Generic fixed-point conversion + * f is the output FILE *; + * args is the va_list * from which to get the number; + * flags, width and precision are the results of printf-cracking; + * radix is the number base to print in; + * alphabet is the set of digits to use; + * prefix is the prefix to print before non-zero numbers when + * using ``alternate form.'' + */ +static int +ocvt_fixed(FILE *f, va_list *args, int flags, int width, int precision, + int radix, int sgned, char alphabet[], char *prefix) +{ + char digits[128]; /* no reasonable machine will ever overflow this */ + char *sign; + char *dp; + long long snum; + unsigned long long num; + int nout, npad, nlzero; + + if(sgned){ + if(flags&PTR) snum = (long)va_arg(*args, void *); + else if(flags&SHORT) snum = va_arg(*args, short); + else if(flags&LONG) snum = va_arg(*args, long); + else if(flags&VLONG) snum = va_arg(*args, long long); + else snum = va_arg(*args, int); + if(snum < 0){ + sign = "-"; + num = -snum; + } else{ + if(flags&SIGN) sign = "+"; + else if(flags&SPACE) sign = " "; + else sign = ""; + num = snum; + } + } else { + sign = ""; + if(flags&PTR) num = (long)va_arg(*args, void *); + else if(flags&SHORT) num = va_arg(*args, unsigned short); + else if(flags&LONG) num = va_arg(*args, unsigned long); + else if(flags&VLONG) num = va_arg(*args, unsigned long long); + else num = va_arg(*args, unsigned int); + } + if(num == 0) prefix = ""; + dp = digits; + do{ + *dp++ = alphabet[num%radix]; + num /= radix; + }while(num); + if(precision==0 && dp-digits==1 && dp[-1]=='0') + dp--; + nlzero = precision-(dp-digits); + if(nlzero < 0) nlzero = 0; + if(flags&ALT){ + if(radix == 8) if(dp[-1]=='0' || nlzero) prefix = ""; + } + else prefix = ""; + nout = dp-digits+nlzero+strlen(prefix)+strlen(sign); + npad = width-nout; + if(npad < 0) npad = 0; + nout += npad; + if(!(flags&LEFT)){ + if(flags&ZPAD && precision <= 0){ + fputs(sign, f); + fputs(prefix, f); + while(npad){ + putc('0', f); + --npad; + } + } else{ + while(npad){ + putc(' ', f); + --npad; + } + fputs(sign, f); + fputs(prefix, f); + } + while(nlzero){ + putc('0', f); + --nlzero; + } + while(dp!=digits) putc(*--dp, f); + } + else{ + fputs(sign, f); + fputs(prefix, f); + while(nlzero){ + putc('0', f); + --nlzero; + } + while(dp != digits) putc(*--dp, f); + while(npad){ + putc(' ', f); + --npad; + } + } + return nout; +} + +static int +ocvt_X(FILE *f, va_list *args, int flags, int width, int precision) +{ + return ocvt_fixed(f, args, flags, width, precision, 16, 0, "0123456789ABCDEF", "0X"); +} + +static int +ocvt_d(FILE *f, va_list *args, int flags, int width, int precision) +{ + return ocvt_fixed(f, args, flags, width, precision, 10, 1, "0123456789", ""); +} + +static int +ocvt_o(FILE *f, va_list *args, int flags, int width, int precision) +{ + return ocvt_fixed(f, args, flags, width, precision, 8, 0, "01234567", "0"); +} + +static int +ocvt_p(FILE *f, va_list *args, int flags, int width, int precision) +{ + return ocvt_fixed(f, args, flags|PTR|ALT, width, precision, 16, 0, + "0123456789ABCDEF", "0x"); +} + +static int +ocvt_u(FILE *f, va_list *args, int flags, int width, int precision) +{ + return ocvt_fixed(f, args, flags, width, precision, 10, 0, "0123456789", ""); +} + +static int +ocvt_x(FILE *f, va_list *args, int flags, int width, int precision) +{ + return ocvt_fixed(f, args, flags, width, precision, 16, 0, "0123456789abcdef", "0x"); +} + +static int ocvt_flt(FILE *, va_list *, int, int, int, char); + +static int +ocvt_E(FILE *f, va_list *args, int flags, int width, int precision) +{ + return ocvt_flt(f, args, flags, width, precision, 'E'); +} + +static int +ocvt_G(FILE *f, va_list *args, int flags, int width, int precision) +{ + return ocvt_flt(f, args, flags, width, precision, 'G'); +} + +static int +ocvt_e(FILE *f, va_list *args, int flags, int width, int precision) +{ + return ocvt_flt(f, args, flags, width, precision, 'e'); +} + +static int +ocvt_f(FILE *f, va_list *args, int flags, int width, int precision) +{ + return ocvt_flt(f, args, flags, width, precision, 'f'); +} + +static int +ocvt_g(FILE *f, va_list *args, int flags, int width, int precision) +{ + return ocvt_flt(f, args, flags, width, precision, 'g'); +} + +static int +ocvt_flt(FILE *f, va_list *args, int flags, int width, int precision, char afmt) +{ + extern char *_dtoa(double, int, int, int*, int*, char **); + int echr; + char *digits, *edigits; + int exponent; + char fmt; + int sign; + int ndig; + int nout, i; + char ebuf[20]; /* no sensible machine will overflow this */ + char *eptr; + double d; + + echr = 'e'; + fmt = afmt; + d = va_arg(*args, double); + if(precision < 0) precision = 6; + switch(fmt){ + case 'f': + digits = _dtoa(d, 3, precision, &exponent, &sign, &edigits); + break; + case 'E': + echr = 'E'; + fmt = 'e'; + /* fall through */ + case 'e': + digits = _dtoa(d, 2, 1+precision, &exponent, &sign, &edigits); + break; + case 'G': + echr = 'E'; + /* fall through */ + case 'g': + if (precision > 0) + digits = _dtoa(d, 2, precision, &exponent, &sign, &edigits); + else { + digits = _dtoa(d, 0, precision, &exponent, &sign, &edigits); + precision = edigits - digits; + if (exponent > precision && exponent <= precision + 4) + precision = exponent; + } + if(exponent >= -3 && exponent <= precision){ + fmt = 'f'; + precision -= exponent; + }else{ + fmt = 'e'; + --precision; + } + break; + } + if (exponent == 9999) { + /* Infinity or Nan */ + precision = 0; + exponent = edigits - digits; + fmt = 'f'; + } + ndig = edigits-digits; + if(ndig == 0) { + ndig = 1; + digits = "0"; + } + if((afmt=='g' || afmt=='G') && !(flags&ALT)){ /* knock off trailing zeros */ + if(fmt == 'f'){ + if(precision+exponent > ndig) { + precision = ndig - exponent; + if(precision < 0) + precision = 0; + } + } + else{ + if(precision > ndig-1) precision = ndig-1; + } + } + nout = precision; /* digits after decimal point */ + if(precision!=0 || flags&ALT) nout++; /* decimal point */ + if(fmt=='f' && exponent>0) nout += exponent; /* digits before decimal point */ + else nout++; /* there's always at least one */ + if(sign || flags&(SPACE|SIGN)) nout++; /* sign */ + if(fmt != 'f'){ /* exponent */ + eptr = ebuf; + for(i=exponent<=0?1-exponent:exponent-1; i; i/=10) + *eptr++ = '0' + i%10; + while(eptr<ebuf+2) *eptr++ = '0'; + nout += eptr-ebuf+2; /* e+99 */ + } + if(!(flags&ZPAD) && !(flags&LEFT)) + while(nout < width){ + putc(' ', f); + nout++; + } + if(sign) putc('-', f); + else if(flags&SIGN) putc('+', f); + else if(flags&SPACE) putc(' ', f); + if((flags&ZPAD) && !(flags&LEFT)) + while(nout < width){ + putc('0', f); + nout++; + } + if(fmt == 'f'){ + for(i=0; i<exponent; i++) putc(i<ndig?digits[i]:'0', f); + if(i == 0) putc('0', f); + if(precision>0 || flags&ALT) putc('.', f); + for(i=0; i!=precision; i++) + putc(0<=i+exponent && i+exponent<ndig?digits[i+exponent]:'0', f); + } + else{ + putc(digits[0], f); + if(precision>0 || flags&ALT) putc('.', f); + for(i=0; i!=precision; i++) putc(i<ndig-1?digits[i+1]:'0', f); + } + if(fmt != 'f'){ + putc(echr, f); + putc(exponent<=0?'-':'+', f); + while(eptr>ebuf) putc(*--eptr, f); + } + while(nout < width){ + putc(' ', f); + nout++; + } + return nout; +} diff --git a/sys/src/ape/lib/ap/stdio/vfscanf.c b/sys/src/ape/lib/ap/stdio/vfscanf.c new file mode 100755 index 000000000..14a55956c --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/vfscanf.c @@ -0,0 +1,367 @@ +/* + * pANS stdio -- vfscanf + */ +#include "iolib.h" +#include <stdarg.h> +#include <math.h> +#include <stdlib.h> +#include <ctype.h> +static int icvt_f(FILE *f, va_list *args, int store, int width, int type); +static int icvt_x(FILE *f, va_list *args, int store, int width, int type); +static int icvt_sq(FILE *f, va_list *args, int store, int width, int type); +static int icvt_c(FILE *f, va_list *args, int store, int width, int type); +static int icvt_d(FILE *f, va_list *args, int store, int width, int type); +static int icvt_i(FILE *f, va_list *args, int store, int width, int type); +static int icvt_n(FILE *f, va_list *args, int store, int width, int type); +static int icvt_o(FILE *f, va_list *args, int store, int width, int type); +static int icvt_p(FILE *f, va_list *args, int store, int width, int type); +static int icvt_s(FILE *f, va_list *args, int store, int width, int type); +static int icvt_u(FILE *f, va_list *args, int store, int width, int type); +static int (*icvt[])(FILE *, va_list *, int, int, int)={ +0, 0, 0, 0, 0, 0, 0, 0, /* ^@ ^A ^B ^C ^D ^E ^F ^G */ +0, 0, 0, 0, 0, 0, 0, 0, /* ^H ^I ^J ^K ^L ^M ^N ^O */ +0, 0, 0, 0, 0, 0, 0, 0, /* ^P ^Q ^R ^S ^T ^U ^V ^W */ +0, 0, 0, 0, 0, 0, 0, 0, /* ^X ^Y ^Z ^[ ^\ ^] ^^ ^_ */ +0, 0, 0, 0, 0, 0, 0, 0, /* sp ! " # $ % & ' */ +0, 0, 0, 0, 0, 0, 0, 0, /* ( ) * + , - . / */ +0, 0, 0, 0, 0, 0, 0, 0, /* 0 1 2 3 4 5 6 7 */ +0, 0, 0, 0, 0, 0, 0, 0, /* 8 9 : ; < = > ? */ +0, 0, 0, 0, 0, icvt_f, 0, icvt_f, /* @ A B C D E F G */ +0, 0, 0, 0, 0, 0, 0, 0, /* H I J K L M N O */ +0, 0, 0, 0, 0, 0, 0, 0, /* P Q R S T U V W */ +icvt_x, 0, 0, icvt_sq,0, 0, 0, 0, /* X Y Z [ \ ] ^ _ */ +0, 0, 0, icvt_c, icvt_d, icvt_f, icvt_f, icvt_f, /* ` a b c d e f g */ +0, icvt_i, 0, 0, 0, 0, icvt_n, icvt_o, /* h i j k l m n o */ +icvt_p, 0, 0, icvt_s, 0, icvt_u, 0, 0, /* p q r s t u v w */ +icvt_x, 0, 0, 0, 0, 0, 0, 0, /* x y z { | } ~ ^? */ + +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, +0, 0, 0, 0, 0, 0, 0, 0, + +}; +#define ngetc(f) (nread++, getc(f)) +#define nungetc(c, f) (--nread, ungetc((c), f)) +#define wgetc(c, f, out) if(width--==0) goto out; (c)=ngetc(f) +#define wungetc(c, f) (++width, nungetc(c, f)) +static int nread, ncvt; +static const char *fmtp; + +int vfscanf(FILE *f, const char *s, va_list args){ + int c, width, type, store; + nread=0; + ncvt=0; + fmtp=s; + for(;*fmtp;fmtp++) switch(*fmtp){ + default: + if(isspace(*fmtp)){ + do + c=ngetc(f); + while(isspace(c)); + if(c==EOF) return ncvt?ncvt:EOF; + nungetc(c, f); + break; + } + NonSpecial: + c=ngetc(f); + if(c==EOF) return ncvt?ncvt:EOF; + if(c!=*fmtp){ + nungetc(c, f); + return ncvt; + } + break; + case '%': + fmtp++; + if(*fmtp!='*') store=1; + else{ + store=0; + fmtp++; + } + if('0'<=*fmtp && *fmtp<='9'){ + width=0; + while('0'<=*fmtp && *fmtp<='9') width=width*10 + *fmtp++ - '0'; + } + else + width=-1; + type=*fmtp=='h' || *fmtp=='l' || *fmtp=='L'?*fmtp++:'n'; + if(!icvt[*fmtp]) goto NonSpecial; + if(!(*icvt[*fmtp])(f, &args, store, width, type)) + return ncvt?ncvt:EOF; + if(*fmtp=='\0') break; + if(store) ncvt++; + } + return ncvt; +} +static int icvt_n(FILE *f, va_list *args, int store, int width, int type){ +#pragma ref f +#pragma ref width + if(store){ + --ncvt; /* this assignment doesn't count! */ + switch(type){ + case 'h': *va_arg(*args, short *)=nread; break; + case 'n': *va_arg(*args, int *)=nread; break; + case 'l': + case 'L': *va_arg(*args, long *)=nread; break; + } + } + return 1; +} +#define SIGNED 1 +#define UNSIGNED 2 +#define POINTER 3 +/* + * Generic fixed-point conversion + * f is the input FILE *; + * args is the va_list * into which to store the number; + * store is a flag to enable storing; + * width is the maximum field width; + * type is 'h' 'l' or 'L', the scanf type modifier; + * unsgned is SIGNED, UNSIGNED or POINTER, giving part of the type to store in; + * base is the number base -- if 0, C number syntax is used. + */ +static int icvt_fixed(FILE *f, va_list *args, + int store, int width, int type, int unsgned, int base){ + unsigned long int num=0; + int sign=1, ndig=0, dig; + int c; + do + c=ngetc(f); + while(isspace(c)); + if(width--==0){ + nungetc(c, f); + goto Done; + } + if(c=='+'){ + wgetc(c, f, Done); + } + else if(c=='-'){ + sign=-1; + wgetc(c, f, Done); + } + switch(base){ + case 0: + if(c=='0'){ + wgetc(c, f, Done); + if(c=='x' || c=='X'){ + wgetc(c, f, Done); + base=16; + } + else{ + ndig=1; + base=8; + } + } + else + base=10; + break; + case 16: + if(c=='0'){ + wgetc(c, f, Done); + if(c=='x' || c=='X'){ + wgetc(c, f, Done); + } + else ndig=1; + } + break; + } + while('0'<=c && c<='9' || 'a'<=c && c<='f' || 'A'<=c && c<='F'){ + dig='0'<=c && c<='9'?c-'0':'a'<=c && c<='f'?c-'a'+10:c-'A'+10; + if(dig>=base) break; + ndig++; + num=num*base+dig; + wgetc(c, f, Done); + } + nungetc(c, f); +Done: + if(ndig==0) return 0; + if(store){ + switch(unsgned){ + case SIGNED: + switch(type){ + case 'h': *va_arg(*args, short *)=num*sign; break; + case 'n': *va_arg(*args, int *)=num*sign; break; + case 'l': + case 'L': *va_arg(*args, long *)=num*sign; break; + } + break; + case UNSIGNED: + switch(type){ + case 'h': *va_arg(*args, unsigned short *)=num*sign; break; + case 'n': *va_arg(*args, unsigned int *)=num*sign; break; + case 'l': + case 'L': *va_arg(*args, unsigned long *)=num*sign; break; + } + break; + case POINTER: + *va_arg(*args, void **)=(void *)(num*sign); break; + } + } + return 1; +} +static int icvt_d(FILE *f, va_list *args, int store, int width, int type){ + return icvt_fixed(f, args, store, width, type, SIGNED, 10); +} +static int icvt_x(FILE *f, va_list *args, int store, int width, int type){ + return icvt_fixed(f, args, store, width, type, UNSIGNED, 16); +} +static int icvt_o(FILE *f, va_list *args, int store, int width, int type){ + return icvt_fixed(f, args, store, width, type, UNSIGNED, 8); +} +static int icvt_i(FILE *f, va_list *args, int store, int width, int type){ + return icvt_fixed(f, args, store, width, type, SIGNED, 0); +} +static int icvt_u(FILE *f, va_list *args, int store, int width, int type){ + return icvt_fixed(f, args, store, width, type, UNSIGNED, 10); +} +static int icvt_p(FILE *f, va_list *args, int store, int width, int type){ + return icvt_fixed(f, args, store, width, type, POINTER, 16); +} +#define NBUF 509 +static int icvt_f(FILE *f, va_list *args, int store, int width, int type){ + char buf[NBUF+1]; + char *s=buf; + int c, ndig=0, ndpt=0, nexp=1; + if(width<0 || NBUF<width) width=NBUF; /* bug -- no limit specified in ansi */ + do + c=ngetc(f); + while(isspace(c)); + if(width--==0){ + nungetc(c, f); + goto Done; + } + if(c=='+' || c=='-'){ + *s++=c; + wgetc(c, f, Done); + } + while('0'<=c && c<='9' || ndpt==0 && c=='.'){ + if(c=='.') ndpt++; + else ndig++; + *s++=c; + wgetc(c, f, Done); + } + if(c=='e' || c=='E'){ + *s++=c; + nexp=0; + wgetc(c, f, Done); + if(c=='+' || c=='-'){ + *s++=c; + wgetc(c, f, Done); + } + while('0'<=c && c<='9'){ + *s++=c; + nexp++; + wgetc(c, f, Done); + } + } + nungetc(c, f); +Done: + if(ndig==0 || nexp==0) return 0; + *s='\0'; + if(store) switch(type){ + case 'h': + case 'n': *va_arg(*args, float *)=atof(buf); break; + case 'L': /* bug -- should store in a long double */ + case 'l': *va_arg(*args, double *)=atof(buf); break; + } + return 1; +} +static int icvt_s(FILE *f, va_list *args, int store, int width, int type){ +#pragma ref type + int c, nn; + register char *s; + if(store) s=va_arg(*args, char *); + do + c=ngetc(f); + while(isspace(c)); + if(width--==0){ + nungetc(c, f); + goto Done; + } + nn=0; + while(!isspace(c)){ + if(c==EOF){ + nread--; + if(nn==0) return 0; + else goto Done; + } + nn++; + if(store) *s++=c; + wgetc(c, f, Done); + } + nungetc(c, f); +Done: + if(store) *s='\0'; + return 1; +} +static int icvt_c(FILE *f, va_list *args, int store, int width, int type){ +#pragma ref type + int c; + register char *s; + if(store) s=va_arg(*args, char *); + if(width<0) width=1; + for(;;){ + wgetc(c, f, Done); + if(c==EOF) return 0; + if(store) *s++=c; + } +Done: + return 1; +} +static int match(int c, const char *pat){ + int ok=1; + if(*pat=='^'){ + ok=!ok; + pat++; + } + while(pat!=fmtp){ + if(pat+2<fmtp && pat[1]=='-'){ + if(pat[0]<=c && c<=pat[2] + || pat[2]<=c && c<=pat[0]) + return ok; + pat+=2; + } + else if(c==*pat) return ok; + pat++; + } + return !ok; +} +static int icvt_sq(FILE *f, va_list *args, int store, int width, int type){ +#pragma ref type + int c, nn; + register char *s; + register const char *pat; + pat=++fmtp; + if(*fmtp=='^') fmtp++; + if(*fmtp!='\0') fmtp++; + while(*fmtp!='\0' && *fmtp!=']') fmtp++; + if(store) s=va_arg(*args, char *); + nn=0; + for(;;){ + wgetc(c, f, Done); + if(c==EOF){ + nread--; + if(nn==0) return 0; + else goto Done; + } + if(!match(c, pat)) break; + if(store) *s++=c; + nn++; + } + nungetc(c, f); +Done: + if(store) *s='\0'; + return 1; +} diff --git a/sys/src/ape/lib/ap/stdio/vprintf.c b/sys/src/ape/lib/ap/stdio/vprintf.c new file mode 100755 index 000000000..6576219eb --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/vprintf.c @@ -0,0 +1,7 @@ +/* + * pANS stdio -- vprintf + */ +#include "iolib.h" +int vprintf(const char *fmt, va_list args){ + return vfprintf(stdout, fmt, args); +} diff --git a/sys/src/ape/lib/ap/stdio/vsnprintf.c b/sys/src/ape/lib/ap/stdio/vsnprintf.c new file mode 100755 index 000000000..45830fffb --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/vsnprintf.c @@ -0,0 +1,17 @@ +/* + * pANS stdio -- vsnprintf + */ +#define _C99_SNPRINTF_EXTENSION + +#include "iolib.h" + +int vsnprintf(char *buf, size_t nbuf, const char *fmt, va_list args){ + int n; + FILE *f=_IO_sopenw(); + if(f==NULL) + return 0; + setvbuf(f, buf, _IOFBF, nbuf); + n=vfprintf(f, fmt, args); + _IO_sclose(f); + return n; +} diff --git a/sys/src/ape/lib/ap/stdio/vsprintf.c b/sys/src/ape/lib/ap/stdio/vsprintf.c new file mode 100755 index 000000000..7b3fe6ec4 --- /dev/null +++ b/sys/src/ape/lib/ap/stdio/vsprintf.c @@ -0,0 +1,14 @@ +/* + * pANS stdio -- vsprintf + */ +#include "iolib.h" +int vsprintf(char *buf, const char *fmt, va_list args){ + int n; + FILE *f=_IO_sopenw(); + if(f==NULL) + return 0; + setvbuf(f, buf, _IOFBF, 100000); + n=vfprintf(f, fmt, args); + _IO_sclose(f); + return n; +} diff --git a/sys/src/ape/lib/ap/syscall/genall b/sys/src/ape/lib/ap/syscall/genall new file mode 100755 index 000000000..5aa992b95 --- /dev/null +++ b/sys/src/ape/lib/ap/syscall/genall @@ -0,0 +1,16 @@ +#!/bin/rc +# genall - generate the APE versions of the system call C interfaces. +# must be invoked by mk so that the right env variables are set. +rfork e +# ugh. sources's build process can't hack absolute path names. +# we're in /sys/src/ape/lib/ap/syscall. +SYSH=../../../../libc/9syscall/sys.h # /sys/src/libc/9syscall/sys.h + +SYS=`{sed '/^#define._/d; s/#define.([A-Z0-9_]*).*/\1/' $SYSH} +for(I in $SYS) { + i=_^$I + n=`{sed -n '/[ ]'$I'[ ]/s/.* //p' $SYSH} + gencall +} +ar vu /$objtype/lib/ape/libap.a *.$O +rm -f *.$O *.s diff --git a/sys/src/ape/lib/ap/syscall/mkfile b/sys/src/ape/lib/ap/syscall/mkfile new file mode 100755 index 000000000..080839d9a --- /dev/null +++ b/sys/src/ape/lib/ap/syscall/mkfile @@ -0,0 +1,25 @@ +NPROC=1 +</$objtype/mkfile + +all:V: install + +install:V: genall gencall + genall + +# ugh. sources's build process can't hack absolute path names. +# we're in /sys/src/ape/lib/ap/syscall. +gencall:D: ../../../../libc/9syscall/mkfile # /sys/src/libc/9syscall/mkfile + { + echo '#!/bin/rc' + sed -n -e 's/seek/_SEEK/g' -e '/switch/,/\$AS /p' $prereq + } >$target + chmod +x $target + +nuke clean:V: + rm -f *.[$OS] *.s gencall + +installall:V: + for(objtype in $CPUS) mk install + +update:V: + update $UPDATEFLAGS mkfile diff --git a/sys/src/ape/lib/bsd/_sock_ingetaddr.c b/sys/src/ape/lib/bsd/_sock_ingetaddr.c new file mode 100755 index 000000000..bc9f90512 --- /dev/null +++ b/sys/src/ape/lib/bsd/_sock_ingetaddr.c @@ -0,0 +1,47 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <fcntl.h> +#include <errno.h> +#include <string.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <sys/un.h> + +#include "priv.h" + +void +_sock_ingetaddr(Rock *r, struct sockaddr_in *ip, int *alen, char *a) +{ + int n, fd; + char *p; + char name[Ctlsize]; + + /* get remote address */ + strcpy(name, r->ctl); + p = strrchr(name, '/'); + strcpy(p+1, a); + fd = open(name, O_RDONLY); + if(fd >= 0){ + n = read(fd, name, sizeof(name)-1); + if(n > 0){ + name[n] = 0; + p = strchr(name, '!'); + if(p){ + *p++ = 0; + ip->sin_family = AF_INET; + ip->sin_port = atoi(p); + ip->sin_addr.s_addr = inet_addr(name); + if(alen) + *alen = sizeof(struct sockaddr_in); + } + } + close(fd); + } + +} diff --git a/sys/src/ape/lib/bsd/_sock_ipattr.c b/sys/src/ape/lib/bsd/_sock_ipattr.c new file mode 100755 index 000000000..b9b0c8ac8 --- /dev/null +++ b/sys/src/ape/lib/bsd/_sock_ipattr.c @@ -0,0 +1,45 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <ctype.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> +#include <netinet/in.h> + +#include "priv.h" + +/* + * return ndb attribute type of an ip name + */ +int +_sock_ipattr(char *name) +{ + char *p; + int dot = 0; + int alpha = 0; + + for(p = name; *p; p++){ + if(isdigit(*p)) + ; + else if(isalpha(*p) || *p == '-') + alpha = 1; + else if(*p == '.') + dot = 1; + else + return Tsys; + } + + if(alpha){ + if(dot) + return Tdom; + else + return Tsys; + } + + if(dot) + return Tip; + else + return Tsys; +} diff --git a/sys/src/ape/lib/bsd/_sock_srv.c b/sys/src/ape/lib/bsd/_sock_srv.c new file mode 100755 index 000000000..1f2988d03 --- /dev/null +++ b/sys/src/ape/lib/bsd/_sock_srv.c @@ -0,0 +1,60 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <fcntl.h> +#include <errno.h> + +/* socket extensions */ +#include <sys/uio.h> +#include <sys/socket.h> + +#include "priv.h" + +/* we can't avoid overrunning npath because we don't know how big it is. */ +void +_sock_srvname(char *npath, char *path) +{ + char *p; + + strcpy(npath, "/srv/UD."); + p = strrchr(path, '/'); + if(p == 0) + p = path; + else + p++; + strcat(npath, p); +} + +int +_sock_srv(char *path, int fd) +{ + int sfd; + char msg[8+256+1]; + + /* change the path to something in srv */ + _sock_srvname(msg, path); + + /* remove any previous instance */ + unlink(msg); + + /* put the fd in /srv and then close it */ + sfd = creat(msg, 0666); + if(sfd < 0){ + close(fd); + _syserrno(); + return -1; + } + snprintf(msg, sizeof msg, "%d", fd); + if(write(sfd, msg, strlen(msg)) < 0){ + _syserrno(); + close(sfd); + close(fd); + return -1; + } + close(sfd); + close(fd); + return 0; +} diff --git a/sys/src/ape/lib/bsd/accept.c b/sys/src/ape/lib/bsd/accept.c new file mode 100755 index 000000000..483e4c6ed --- /dev/null +++ b/sys/src/ape/lib/bsd/accept.c @@ -0,0 +1,121 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <fcntl.h> +#include <errno.h> +#include <string.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <sys/un.h> + +#include "priv.h" + +int +accept(int fd, void *a, int *alen) +{ + int n, nfd, cfd; + Rock *r, *nr; + struct sockaddr_in *ip; + char name[Ctlsize]; + char file[8+Ctlsize+1]; + char *p, *net; + + r = _sock_findrock(fd, 0); + if(r == 0){ + errno = ENOTSOCK; + return -1; + } + + switch(r->domain){ + case PF_INET: + switch(r->stype){ + case SOCK_DGRAM: + net = "udp"; + break; + case SOCK_STREAM: + net = "tcp"; + break; + } + + /* get control file name from listener process */ + n = read(fd, name, sizeof(name)-1); + if(n <= 0){ + _syserrno(); + return -1; + } + name[n] = 0; + cfd = open(name, O_RDWR); + if(cfd < 0){ + _syserrno(); + return -1; + } + + nfd = _sock_data(cfd, net, r->domain, r->stype, r->protocol, &nr); + if(nfd < 0){ + _syserrno(); + return -1; + } + + if(write(fd, "OK", 2) < 0){ + close(nfd); + _syserrno(); + return -1; + } + + /* get remote address */ + ip = (struct sockaddr_in*)&nr->raddr; + _sock_ingetaddr(nr, ip, &n, "remote"); + if(a){ + memmove(a, ip, sizeof(struct sockaddr_in)); + *alen = sizeof(struct sockaddr_in); + } + + return nfd; + case PF_UNIX: + if(r->other >= 0){ + errno = EGREG; + return -1; + } + + for(;;){ + /* read path to new connection */ + n = read(fd, name, sizeof(name) - 1); + if(n < 0) + return -1; + if(n == 0) + continue; + name[n] = 0; + + /* open new connection */ + _sock_srvname(file, name); + nfd = open(file, O_RDWR); + if(nfd < 0) + continue; + + /* confirm opening on new connection */ + if(write(nfd, name, strlen(name)) > 0) + break; + + close(nfd); + } + + nr = _sock_newrock(nfd); + if(nr == 0){ + close(nfd); + return -1; + } + nr->domain = r->domain; + nr->stype = r->stype; + nr->protocol = r->protocol; + + return nfd; + default: + errno = EOPNOTSUPP; + return -1; + } +} diff --git a/sys/src/ape/lib/bsd/bcopy.c b/sys/src/ape/lib/bsd/bcopy.c new file mode 100755 index 000000000..6e3e02224 --- /dev/null +++ b/sys/src/ape/lib/bsd/bcopy.c @@ -0,0 +1,21 @@ +#include <sys/types.h> +#include <unistd.h> +#include <string.h> + +void +bcopy(void *f, void *t, size_t n) +{ + memmove(t, f, n); +} + +int +bcmp(void *a, void *b, size_t n) +{ + return memcmp(a, b, n); +} + +void +bzero(void *a, size_t n) +{ + memset(a, 0, n); +} diff --git a/sys/src/ape/lib/bsd/bind.c b/sys/src/ape/lib/bsd/bind.c new file mode 100755 index 000000000..040c62fa0 --- /dev/null +++ b/sys/src/ape/lib/bsd/bind.c @@ -0,0 +1,70 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <fcntl.h> +#include <string.h> +#include <errno.h> +#include <sys/stat.h> +#include <signal.h> + +/* socket extensions */ +#include <sys/uio.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <sys/un.h> + +/* plan 9 */ +#include "lib.h" +#include "sys9.h" + +#include "priv.h" + +int +bind(int fd, void *a, int alen) +{ + int n, len, cfd; + Rock *r; + char msg[128]; + struct sockaddr_in *lip; + + /* assign the address */ + r = _sock_findrock(fd, 0); + if(r == 0){ + errno = ENOTSOCK; + return -1; + } + if(alen > sizeof(r->addr)){ + errno = ENAMETOOLONG; + return -1; + } + memmove(&r->addr, a, alen); + + /* the rest is IP sepecific */ + if (r->domain != PF_INET) + return 0; + + cfd = open(r->ctl, O_RDWR); + if(cfd < 0){ + errno = EBADF; + return -1; + } + lip = (struct sockaddr_in*)&r->addr; + if(lip->sin_port > 0) + snprintf(msg, sizeof msg, "bind %d", ntohs(lip->sin_port)); + else + strcpy(msg, "bind *"); + n = write(cfd, msg, strlen(msg)); + if(n < 0){ + errno = EOPNOTSUPP; /* Improve error reporting!!! */ + close(cfd); + return -1; + } + close(cfd); + + if(lip->sin_port <= 0) + _sock_ingetaddr(r, lip, &len, "local"); + + return 0; +} diff --git a/sys/src/ape/lib/bsd/connect.c b/sys/src/ape/lib/bsd/connect.c new file mode 100755 index 000000000..3f7dcd6b4 --- /dev/null +++ b/sys/src/ape/lib/bsd/connect.c @@ -0,0 +1,111 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <fcntl.h> +#include <string.h> +#include <errno.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <sys/un.h> + +#include "priv.h" + +int +connect(int fd, void *a, int alen) +{ + Rock *r; + int n, cfd, nfd; + char msg[8+256+1], file[8+256+1]; + struct sockaddr_in *lip, *rip; + struct sockaddr_un *runix; + static int vers; + + r = _sock_findrock(fd, 0); + if(r == 0){ + errno = ENOTSOCK; + return -1; + } + if(alen > sizeof(r->raddr)){ + errno = ENAMETOOLONG; + return -1; + } + memmove(&r->raddr, a, alen); + + switch(r->domain){ + case PF_INET: + /* set up a tcp or udp connection */ + cfd = open(r->ctl, O_RDWR); + if(cfd < 0){ + _syserrno(); + return -1; + } + rip = a; + lip = (struct sockaddr_in*)&r->addr; + if(lip->sin_port) + snprintf(msg, sizeof msg, "connect %s!%d%s %d", + inet_ntoa(rip->sin_addr), ntohs(rip->sin_port), + r->reserved ? "!r" : "", + ntohs(lip->sin_port)); + else + snprintf(msg, sizeof msg, "connect %s!%d%s", + inet_ntoa(rip->sin_addr), ntohs(rip->sin_port), + r->reserved ? "!r" : ""); + n = write(cfd, msg, strlen(msg)); + if(n < 0){ + _syserrno(); + close(cfd); + return -1; + } + close(cfd); + return 0; + case PF_UNIX: + /* null terminate the address */ + if(alen == sizeof(r->raddr)) + alen--; + *(((char*)&r->raddr)+alen) = 0; + + if(r->other < 0){ + errno = EGREG; + return -1; + } + + /* put far end of our pipe in /srv */ + snprintf(msg, sizeof msg, "UD.%d.%d", getpid(), vers++); + if(_sock_srv(msg, r->other) < 0){ + r->other = -1; + return -1; + } + r->other = -1; + + /* tell server the /srv file to open */ + runix = (struct sockaddr_un*)&r->raddr; + _sock_srvname(file, runix->sun_path); + nfd = open(file, O_RDWR); + if(nfd < 0){ + _syserrno(); + unlink(msg); + return -1; + } + if(write(nfd, msg, strlen(msg)) < 0){ + _syserrno(); + close(nfd); + unlink(msg); + return -1; + } + close(nfd); + + /* wait for server to open it and then remove it */ + read(fd, file, sizeof(file)); + _sock_srvname(file, msg); + unlink(file); + return 0; + default: + errno = EAFNOSUPPORT; + return -1; + } +} diff --git a/sys/src/ape/lib/bsd/endhostent.c b/sys/src/ape/lib/bsd/endhostent.c new file mode 100755 index 000000000..aa798b87d --- /dev/null +++ b/sys/src/ape/lib/bsd/endhostent.c @@ -0,0 +1,4 @@ +void +endhostent(void) +{ +} diff --git a/sys/src/ape/lib/bsd/ffs.c b/sys/src/ape/lib/bsd/ffs.c new file mode 100755 index 000000000..508345365 --- /dev/null +++ b/sys/src/ape/lib/bsd/ffs.c @@ -0,0 +1,23 @@ +/* Find the first set bit + * i.e. least signifigant 1 bit: + * 0 => 0 + * 1 => 1 + * 2 => 2 + * 3 => 1 + * 4 => 3 + */ + +int +ffs(unsigned int mask) +{ + int i; + + if (!mask) + return 0; + i = 1; + while (!(mask & 1)){ + i++; + mask = mask >> 1; + } + return i; +} diff --git a/sys/src/ape/lib/bsd/getdtablesize.c b/sys/src/ape/lib/bsd/getdtablesize.c new file mode 100755 index 000000000..20e23b17f --- /dev/null +++ b/sys/src/ape/lib/bsd/getdtablesize.c @@ -0,0 +1,8 @@ +/* posix */ +#include <sys/limits.h> + +int +getdtablesize(void) +{ + return OPEN_MAX; +} diff --git a/sys/src/ape/lib/bsd/gethostbyaddr.c b/sys/src/ape/lib/bsd/gethostbyaddr.c new file mode 100755 index 000000000..bd58b1dff --- /dev/null +++ b/sys/src/ape/lib/bsd/gethostbyaddr.c @@ -0,0 +1,29 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <netdb.h> + +int h_errno; + +struct hostent* +gethostbyaddr(void *addr, int len, int type) +{ + unsigned long a, y; + struct in_addr x; + unsigned char *p = addr; + + if(type != AF_INET || len != 4){ + h_errno = NO_RECOVERY; + return 0; + } + + y = (p[0]<<24)|(p[1]<<16)|(p[2]<<8)|p[3]; + x.s_addr = htonl(y); + + return gethostbyname(inet_ntoa(x)); +} diff --git a/sys/src/ape/lib/bsd/gethostbyname.c b/sys/src/ape/lib/bsd/gethostbyname.c new file mode 100755 index 000000000..749798510 --- /dev/null +++ b/sys/src/ape/lib/bsd/gethostbyname.c @@ -0,0 +1,131 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <fcntl.h> +#include <string.h> +#include <errno.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <netdb.h> + +#include "priv.h" + +int h_errno; + +enum +{ + Nname= 6, +}; + +/* + * for inet addresses only + */ +struct hostent* +gethostbyname(char *name) +{ + int i, t, fd, m; + char *p, *bp; + int nn, na; + unsigned long x; + static struct hostent h; + static char buf[1024]; + static char *nptr[Nname+1]; + static char *aptr[Nname+1]; + static char addr[Nname][4]; + + h.h_name = 0; + t = _sock_ipattr(name); + + /* connect to server */ + fd = open("/net/cs", O_RDWR); + if(fd < 0){ + _syserrno(); + h_errno = NO_RECOVERY; + return 0; + } + + /* construct the query, always expect an ip# back */ + switch(t){ + case Tsys: + snprintf(buf, sizeof buf, "!sys=%s ip=*", name); + break; + case Tdom: + snprintf(buf, sizeof buf, "!dom=%s ip=*", name); + break; + case Tip: + snprintf(buf, sizeof buf, "!ip=%s", name); + break; + } + + /* query the server */ + if(write(fd, buf, strlen(buf)) < 0){ + _syserrno(); + h_errno = TRY_AGAIN; + return 0; + } + lseek(fd, 0, 0); + for(i = 0; i < sizeof(buf)-1; i += m){ + m = read(fd, buf+i, sizeof(buf) - 1 - i); + if(m <= 0) + break; + buf[i+m++] = ' '; + } + close(fd); + buf[i] = 0; + + /* parse the reply */ + nn = na = 0; + for(bp = buf;;){ + p = strchr(bp, '='); + if(p == 0) + break; + *p++ = 0; + if(strcmp(bp, "dom") == 0){ + if(h.h_name == 0) + h.h_name = p; + if(nn < Nname) + nptr[nn++] = p; + } else if(strcmp(bp, "sys") == 0){ + if(nn < Nname) + nptr[nn++] = p; + } else if(strcmp(bp, "ip") == 0){ + x = inet_addr(p); + x = ntohl(x); + if(na < Nname){ + addr[na][0] = x>>24; + addr[na][1] = x>>16; + addr[na][2] = x>>8; + addr[na][3] = x; + aptr[na] = addr[na]; + na++; + } + } + while(*p && *p != ' ') + p++; + if(*p) + *p++ = 0; + bp = p; + } + if(nn+na == 0){ + h_errno = HOST_NOT_FOUND; + return 0; + } + + nptr[nn] = 0; + aptr[na] = 0; + h.h_aliases = nptr; + h.h_addr_list = aptr; + h.h_length = 4; + h.h_addrtype = AF_INET; + if(h.h_name == 0) + h.h_name = nptr[0]; + if(h.h_name == 0) + h.h_name = aptr[0]; + + return &h; +} diff --git a/sys/src/ape/lib/bsd/gethostname.c b/sys/src/ape/lib/bsd/gethostname.c new file mode 100755 index 000000000..5ecdd94b8 --- /dev/null +++ b/sys/src/ape/lib/bsd/gethostname.c @@ -0,0 +1,25 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <fcntl.h> +#include <string.h> + +int +gethostname(char *name, int namelen) +{ + int n, fd; + char buf[128]; + + fd = open("/dev/sysname", O_RDONLY); + if(fd < 0) + return -1; + n = read(fd, buf, sizeof(buf)-1); + close(fd); + if(n <= 0) + return -1; + buf[n] = 0; + strncpy(name, buf, namelen); + name[namelen-1] = 0; + return 0; +} diff --git a/sys/src/ape/lib/bsd/getopt.c b/sys/src/ape/lib/bsd/getopt.c new file mode 100755 index 000000000..0116b1183 --- /dev/null +++ b/sys/src/ape/lib/bsd/getopt.c @@ -0,0 +1,52 @@ +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#define ERR(str, chr) if(opterr){fprintf(stderr, "%s%s%c\n", argv[0], str, chr);} +int opterr = 1; +int optind = 1; +int optopt; +char *optarg; + +int +getopt (int argc, char **argv, char *opts) +{ + static int sp = 1; + register c; + register char *cp; + + if (sp == 1) + if (optind >= argc || + argv[optind][0] != '-' || argv[optind][1] == '\0') + return EOF; + else if (strcmp(argv[optind], "--") == 0) { + optind++; + return EOF; + } + optopt = c = argv[optind][sp]; + if (c == ':' || (cp=strchr(opts, c)) == NULL) { + ERR (": illegal option -- ", c); + if (argv[optind][++sp] == '\0') { + optind++; + sp = 1; + } + return '?'; + } + if (*++cp == ':') { + if (argv[optind][sp+1] != '\0') + optarg = &argv[optind++][sp+1]; + else if (++optind >= argc) { + ERR (": option requires an argument -- ", c); + sp = 1; + return '?'; + } else + optarg = argv[optind++]; + sp = 1; + } else { + if (argv[optind][++sp] == '\0') { + sp = 1; + optind++; + } + optarg = NULL; + } + return c; +} diff --git a/sys/src/ape/lib/bsd/getpeername.c b/sys/src/ape/lib/bsd/getpeername.c new file mode 100755 index 000000000..e4dd3109c --- /dev/null +++ b/sys/src/ape/lib/bsd/getpeername.c @@ -0,0 +1,49 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <fcntl.h> +#include <string.h> +#include <errno.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <sys/un.h> + +#include "priv.h" + +int +getpeername(int fd, struct sockaddr *addr, int *alen) +{ + Rock *r; + int i; + struct sockaddr_in *rip; + struct sockaddr_un *runix; + + r = _sock_findrock(fd, 0); + if(r == 0){ + errno = ENOTSOCK; + return -1; + } + + switch(r->domain){ + case PF_INET: + rip = (struct sockaddr_in*)&r->raddr; + memmove(addr, rip, sizeof(struct sockaddr_in)); + *alen = sizeof(struct sockaddr_in); + break; + case PF_UNIX: + runix = (struct sockaddr_un*)&r->raddr; + i = &runix->sun_path[strlen(runix->sun_path)] - (char*)runix; + memmove(addr, runix, i); + *alen = i; + break; + default: + errno = EAFNOSUPPORT; + return -1; + } + return 0; +} diff --git a/sys/src/ape/lib/bsd/getprotobyname.c b/sys/src/ape/lib/bsd/getprotobyname.c new file mode 100755 index 000000000..f88d70148 --- /dev/null +++ b/sys/src/ape/lib/bsd/getprotobyname.c @@ -0,0 +1,90 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <fcntl.h> +#include <string.h> +#include <errno.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <netdb.h> + +#include "priv.h" + +extern int h_errno; + +enum +{ + Nname= 6, +}; + +static struct protoent r; + +struct protoent *getprotobyname(const char *name) { + int fd, i, m; + char *p, *bp; + int nn, na; + unsigned long x; + static char buf[1024], proto[1024]; + static char *nptr[Nname+1]; + + /* connect to server */ + fd = open("/net/cs", O_RDWR); + if(fd < 0){ + _syserrno(); + h_errno = NO_RECOVERY; + return 0; + } + + /* construct the query, always expect a protocol# back */ + snprintf(buf, sizeof buf, "!protocol=%s ipv4proto=*", name); + + /* query the server */ + if(write(fd, buf, strlen(buf)) < 0){ + _syserrno(); + h_errno = TRY_AGAIN; + return 0; + } + lseek(fd, 0, 0); + for(i = 0; i < sizeof(buf)-1; i += m){ + m = read(fd, buf+i, sizeof(buf) - 1 - i); + if(m <= 0) + break; + buf[i+m++] = ' '; + } + close(fd); + buf[i] = 0; + + /* parse the reply */ + nn = na = 0; + for(bp = buf;;){ + p = strchr(bp, '='); + if(p == 0) + break; + *p++ = 0; + if(strcmp(bp, "protocol") == 0){ + if(!nn) + r.p_name = p; + if(nn < Nname) + nptr[nn++] = p; + } else if(strcmp(bp, "ipv4proto") == 0){ + r.p_proto = atoi(p); + na++; + } + while(*p && *p != ' ') + p++; + if(*p) + *p++ = 0; + bp = p; + } + nptr[nn] = 0; + r.p_aliases = nptr; + if (nn+na == 0) + return 0; + + return &r; +} diff --git a/sys/src/ape/lib/bsd/getservbyaddr.c b/sys/src/ape/lib/bsd/getservbyaddr.c new file mode 100755 index 000000000..cafb72d04 --- /dev/null +++ b/sys/src/ape/lib/bsd/getservbyaddr.c @@ -0,0 +1,18 @@ +#include <sys/types.h> +#include <unistd.h> +#include <stdio.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <netdb.h> + +struct servent* +getservbyport(int port, char *proto) +{ + char buf[32]; + + snprintf(buf, sizeof buf, "%d", port); + return getservbyname(buf, proto); +} diff --git a/sys/src/ape/lib/bsd/getservbyname.c b/sys/src/ape/lib/bsd/getservbyname.c new file mode 100755 index 000000000..0212d5403 --- /dev/null +++ b/sys/src/ape/lib/bsd/getservbyname.c @@ -0,0 +1,100 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <fcntl.h> +#include <string.h> +#include <errno.h> +#include <ctype.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <netdb.h> + +#include "priv.h" + +enum +{ + Nname= 6, +}; + +/* + * for inet addresses only + */ +struct servent* +getservbyname(char *name, char *proto) +{ + int i, fd, m, num; + char *p, *bp; + int nn, na; + static struct servent s; + static char buf[1024]; + static char *nptr[Nname+1]; + + num = 1; + for(p = name; *p; p++) + if(!isdigit(*p)) + num = 0; + + s.s_name = 0; + + /* connect to server */ + fd = open("/net/cs", O_RDWR); + if(fd < 0){ + _syserrno(); + return 0; + } + + /* construct the query, always expect an ip# back */ + if(num) + snprintf(buf, sizeof buf, "!port=%s %s=*", name, proto); + else + snprintf(buf, sizeof buf, "!%s=%s port=*", proto, name); + + /* query the server */ + if(write(fd, buf, strlen(buf)) < 0){ + _syserrno(); + return 0; + } + lseek(fd, 0, 0); + for(i = 0; i < sizeof(buf)-1; i += m){ + m = read(fd, buf+i, sizeof(buf) - 1 - i); + if(m <= 0) + break; + buf[i+m++] = ' '; + } + close(fd); + buf[i] = 0; + + /* parse the reply */ + nn = na = 0; + for(bp = buf;;){ + p = strchr(bp, '='); + if(p == 0) + break; + *p++ = 0; + if(strcmp(bp, proto) == 0){ + if(nn < Nname) + nptr[nn++] = p; + } else if(strcmp(bp, "port") == 0){ + s.s_port = htons(atoi(p)); + } + while(*p && *p != ' ') + p++; + if(*p) + *p++ = 0; + bp = p; + } + if(nn+na == 0) + return 0; + + nptr[nn] = 0; + s.s_aliases = nptr; + if(s.s_name == 0) + s.s_name = nptr[0]; + + return &s; +} diff --git a/sys/src/ape/lib/bsd/getsockname.c b/sys/src/ape/lib/bsd/getsockname.c new file mode 100755 index 000000000..aa22d3217 --- /dev/null +++ b/sys/src/ape/lib/bsd/getsockname.c @@ -0,0 +1,48 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <fcntl.h> +#include <string.h> +#include <errno.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <sys/un.h> + +#include "priv.h" + +int +getsockname(int fd, struct sockaddr *addr, int *alen) +{ + Rock *r; + int i; + struct sockaddr_in *lip; + struct sockaddr_un *lunix; + + r = _sock_findrock(fd, 0); + if(r == 0){ + errno = ENOTSOCK; + return -1; + } + + switch(r->domain){ + case PF_INET: + lip = (struct sockaddr_in*)addr; + _sock_ingetaddr(r, lip, alen, "local"); + break; + case PF_UNIX: + lunix = (struct sockaddr_un*)&r->addr; + i = &lunix->sun_path[strlen(lunix->sun_path)] - (char*)lunix; + memmove(addr, lunix, i); + *alen = i; + break; + default: + errno = EAFNOSUPPORT; + return -1; + } + return 0; +} diff --git a/sys/src/ape/lib/bsd/gettimeofday.c b/sys/src/ape/lib/bsd/gettimeofday.c new file mode 100755 index 000000000..ee347f36a --- /dev/null +++ b/sys/src/ape/lib/bsd/gettimeofday.c @@ -0,0 +1,56 @@ +#include <sys/types.h> +#include <time.h> +#include <sys/time.h> +#include <string.h> +#include "sys9.h" + +typedef unsigned long long uvlong; +typedef long long vlong; +typedef unsigned char uchar; + +static uvlong order = 0x0001020304050607ULL; + +static void +be2vlong(vlong *to, uchar *f) +{ + uchar *t, *o; + int i; + + t = (uchar*)to; + o = (uchar*)ℴ + for(i = 0; i < 8; i++) + t[o[i]] = f[i]; +} + +int +gettimeofday(struct timeval *tp, struct timezone *tzp) +{ + uchar b[8]; + vlong t; + int opened; + static int fd = -1; + + opened = 0; + for(;;) { + if(fd < 0) + if(opened++ || + (fd = _OPEN("/dev/bintime", OREAD|OCEXEC)) < 0) + return 0; + if(_PREAD(fd, b, sizeof b, 0) == sizeof b) + break; /* leave fd open for future use */ + /* short read, perhaps try again */ + _CLOSE(fd); + fd = -1; + } + be2vlong(&t, b); + + tp->tv_sec = t/1000000000; + tp->tv_usec = (t/1000)%1000000; + + if(tzp) { + tzp->tz_minuteswest = 4*60; /* BUG */ + tzp->tz_dsttime = 1; + } + + return 0; +} diff --git a/sys/src/ape/lib/bsd/inet_addr.c b/sys/src/ape/lib/bsd/inet_addr.c new file mode 100755 index 000000000..63cd69cc4 --- /dev/null +++ b/sys/src/ape/lib/bsd/inet_addr.c @@ -0,0 +1,52 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> +#include <netinet/in.h> + +#define CLASS(x) (x[0]>>6) + +unsigned long +inet_addr(char *from) +{ + int i; + char *p; + unsigned char to[4]; + unsigned long x; + + p = from; + memset(to, 0, 4); + for(i = 0; i < 4 && *p; i++){ + to[i] = strtoul(p, &p, 0); + if(*p == '.') + p++; + } + + switch(CLASS(to)){ + case 0: /* class A - 1 byte net */ + case 1: + if(i == 3){ + to[3] = to[2]; + to[2] = to[1]; + to[1] = 0; + } else if (i == 2){ + to[3] = to[1]; + to[1] = 0; + } + break; + case 2: /* class B - 2 byte net */ + if(i == 3){ + to[3] = to[2]; + to[2] = 0; + } + break; + } + x = nptohl(to); + x = htonl(x); + return x; +} diff --git a/sys/src/ape/lib/bsd/inet_ntoa.c b/sys/src/ape/lib/bsd/inet_ntoa.c new file mode 100755 index 000000000..03dd714dd --- /dev/null +++ b/sys/src/ape/lib/bsd/inet_ntoa.c @@ -0,0 +1,22 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <sys/un.h> + +char* +inet_ntoa(struct in_addr in) +{ + static char s[18]; + unsigned char *p; + + p = (unsigned char*)&in.s_addr; + snprintf(s, sizeof s, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]); + return s; +} diff --git a/sys/src/ape/lib/bsd/ioctl.c b/sys/src/ape/lib/bsd/ioctl.c new file mode 100755 index 000000000..0155de573 --- /dev/null +++ b/sys/src/ape/lib/bsd/ioctl.c @@ -0,0 +1,33 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <errno.h> +#include <string.h> +#include <fcntl.h> +#include <sys/stat.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> +#include <sys/ioctl.h> + +int +ioctl(int fd, unsigned long request, void* arg) +{ + struct stat d; + + if(request == FIONREAD) { + if(fstat(fd, &d) < 0) { + errno = EBADF; + return -1; + } + /* this works if the file is buffered somehow */ + *(long*)arg = d.st_size; + return 0; + } else { + errno = EINVAL; + return -1; + } +} diff --git a/sys/src/ape/lib/bsd/listen.c b/sys/src/ape/lib/bsd/listen.c new file mode 100755 index 000000000..655e2a06f --- /dev/null +++ b/sys/src/ape/lib/bsd/listen.c @@ -0,0 +1,176 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <fcntl.h> +#include <string.h> +#include <errno.h> +#include <sys/stat.h> +#include <signal.h> + +/* socket extensions */ +#include <sys/uio.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <sys/un.h> + +/* plan 9 */ +#include "lib.h" +#include "sys9.h" + +#include "priv.h" + +extern int _muxsid; +extern void _killmuxsid(void); + +/* + * replace the fd with a pipe and start a process to + * accept calls in. this is all to make select work. + */ +static int +listenproc(Rock *r, int fd) +{ + Rock *nr; + char *net; + int cfd, nfd, dfd; + int pfd[2]; + struct stat d; + char *p; + char listen[Ctlsize]; + char name[Ctlsize]; + + switch(r->stype){ + case SOCK_DGRAM: + net = "udp"; + break; + case SOCK_STREAM: + net = "tcp"; + break; + } + + strcpy(listen, r->ctl); + p = strrchr(listen, '/'); + if(p == 0) + return -1; + strcpy(p+1, "listen"); + + if(pipe(pfd) < 0) + return -1; + + /* replace fd with a pipe */ + nfd = dup(fd); + dup2(pfd[0], fd); + close(pfd[0]); + fstat(fd, &d); + r->inode = d.st_ino; + r->dev = d.st_dev; + + /* start listening process */ + switch(fork()){ + case -1: + close(pfd[1]); + close(nfd); + return -1; + case 0: + if(_muxsid == -1) { + _RFORK(RFNOTEG); + _muxsid = getpgrp(); + } else + setpgid(getpid(), _muxsid); + _RENDEZVOUS(2, _muxsid); + break; + default: + atexit(_killmuxsid); + _muxsid = _RENDEZVOUS(2, 0); + close(pfd[1]); + close(nfd); + return 0; + } + +/* for(fd = 0; fd < 30; fd++) + if(fd != nfd && fd != pfd[1]) + close(fd);/**/ + + for(;;){ + cfd = open(listen, O_RDWR); + if(cfd < 0) + break; + + dfd = _sock_data(cfd, net, r->domain, r->stype, r->protocol, &nr); + if(dfd < 0) + break; + + if(write(pfd[1], nr->ctl, strlen(nr->ctl)) < 0) + break; + if(read(pfd[1], name, sizeof(name)) <= 0) + break; + + close(dfd); + } + exit(0); +} + +int +listen(fd, backlog) + int fd; + int backlog; +{ + Rock *r; + int n, cfd; + char msg[128]; + struct sockaddr_in *lip; + struct sockaddr_un *lunix; + + r = _sock_findrock(fd, 0); + if(r == 0){ + errno = ENOTSOCK; + return -1; + } + + switch(r->domain){ + case PF_INET: + cfd = open(r->ctl, O_RDWR); + if(cfd < 0){ + errno = EBADF; + return -1; + } + lip = (struct sockaddr_in*)&r->addr; + if(lip->sin_port >= 0) { + if(write(cfd, "bind 0", 6) < 0) { + errno = EGREG; + close(cfd); + return -1; + } + snprintf(msg, sizeof msg, "announce %d", + ntohs(lip->sin_port)); + } + else + strcpy(msg, "announce *"); + n = write(cfd, msg, strlen(msg)); + if(n < 0){ + errno = EOPNOTSUPP; /* Improve error reporting!!! */ + close(cfd); + return -1; + } + close(cfd); + + return listenproc(r, fd); + case PF_UNIX: + if(r->other < 0){ + errno = EGREG; + return -1; + } + lunix = (struct sockaddr_un*)&r->addr; + if(_sock_srv(lunix->sun_path, r->other) < 0){ + _syserrno(); + r->other = -1; + return -1; + } + r->other = -1; + return 0; + default: + errno = EAFNOSUPPORT; + return -1; + } +} diff --git a/sys/src/ape/lib/bsd/lstat.c b/sys/src/ape/lib/bsd/lstat.c new file mode 100755 index 000000000..d929e7ef1 --- /dev/null +++ b/sys/src/ape/lib/bsd/lstat.c @@ -0,0 +1,23 @@ +#include <sys/types.h> +#include <sys/stat.h> +#include <errno.h> + +int +lstat(char *name, struct stat *ans) +{ + return stat(name, ans); +} + +int +symlink(char *name1, char *name2) +{ + errno = EPERM; + return -1; +} + +int +readlink(char *name, char *buf, int size) +{ + errno = EIO; + return -1; +} diff --git a/sys/src/ape/lib/bsd/mkfile b/sys/src/ape/lib/bsd/mkfile new file mode 100755 index 000000000..44b4b05fb --- /dev/null +++ b/sys/src/ape/lib/bsd/mkfile @@ -0,0 +1,55 @@ +APE=/sys/src/ape +<$APE/config + +LIB=/$objtype/lib/ape/libbsd.a +OFILES=\ + accept.$O\ + bcopy.$O\ + bind.$O\ + connect.$O\ + endhostent.$O\ + ffs.$O\ + getdtablesize.$O\ + gethostbyname.$O\ + gethostbyaddr.$O\ + gethostname.$O\ + getopt.$O\ + getpeername.$O\ + getprotobyname.$O\ + getservbyaddr.$O\ + getservbyname.$O\ + getsockname.$O\ + gettimeofday.$O\ + inet_addr.$O\ + inet_ntoa.$O\ + ioctl.$O\ + listen.$O\ + lstat.$O\ + mktemp.$O\ + ntohl.$O\ + nptohl.$O\ + popen.$O\ + putenv.$O\ + rcmd.$O\ + readv.$O\ + rresvport.$O\ + send.$O\ + sendto.$O\ + setlinebuf.$O\ + shutdown.$O\ + _sock_ingetaddr.$O\ + _sock_ipattr.$O\ + _sock_srv.$O\ + strcasecmp.$O\ + strncasecmp.$O\ + socket.$O\ + socketpair.$O\ + strdup.$O\ + pty.$O\ + writev.$O\ + +HFILES=priv.h + +</sys/src/cmd/mksyslib + +CFLAGS=-c -D_POSIX_SOURCE -D_BSD_EXTENSION -D_PLAN9_SOURCE -I../ap/plan9 diff --git a/sys/src/ape/lib/bsd/mktemp.c b/sys/src/ape/lib/bsd/mktemp.c new file mode 100755 index 000000000..d48714a32 --- /dev/null +++ b/sys/src/ape/lib/bsd/mktemp.c @@ -0,0 +1,33 @@ +#include <stdlib.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <string.h> +#include <stdio.h> + +char* +mktemp(char *template) +{ + int n; + long x; + char *p; + int c; + struct stat stbuf; + + n = strlen(template); + p = template+n-6; + if (n < 6 || strcmp(p, "XXXXXX") != 0) { + *template = 0; + } else { + x = getpid() % 100000; + sprintf(p, "%05d", x); + p += 5; + for(c = 'a'; c <= 'z'; c++) { + *p = c; + if (stat(template, &stbuf) < 0) + return template; + } + *template = 0; + } + return template; +} diff --git a/sys/src/ape/lib/bsd/nptohl.c b/sys/src/ape/lib/bsd/nptohl.c new file mode 100755 index 000000000..c012493e9 --- /dev/null +++ b/sys/src/ape/lib/bsd/nptohl.c @@ -0,0 +1,10 @@ +unsigned long +nptohl(void *p) +{ + unsigned char *up; + unsigned long x; + + up = p; + x = (up[0]<<24)|(up[1]<<16)|(up[2]<<8)|up[3]; + return x; +} diff --git a/sys/src/ape/lib/bsd/ntohl.c b/sys/src/ape/lib/bsd/ntohl.c new file mode 100755 index 000000000..29c19d6fb --- /dev/null +++ b/sys/src/ape/lib/bsd/ntohl.c @@ -0,0 +1,47 @@ +unsigned long +ntohl(int x) +{ + unsigned long n; + unsigned char *p; + + n = x; + p = (unsigned char*)&n; + return (p[0]<<24)|(p[1]<<16)|(p[2]<<8)|p[3]; +} + +unsigned long +htonl(unsigned long h) +{ + unsigned long n; + unsigned char *p; + + p = (unsigned char*)&n; + p[0] = h>>24; + p[1] = h>>16; + p[2] = h>>8; + p[3] = h; + return n; +} + +unsigned short +ntohs(int x) +{ + unsigned short n; + unsigned char *p; + + n = x; + p = (unsigned char*)&n; + return (p[0]<<8)|p[1]; +} + +unsigned short +htons(unsigned short h) +{ + unsigned short n; + unsigned char *p; + + p = (unsigned char*)&n; + p[0] = h>>8; + p[1] = h; + return n; +} diff --git a/sys/src/ape/lib/bsd/popen.c b/sys/src/ape/lib/bsd/popen.c new file mode 100755 index 000000000..32af1de3d --- /dev/null +++ b/sys/src/ape/lib/bsd/popen.c @@ -0,0 +1,84 @@ +#include <stdlib.h> +#include <stdio.h> +#include <sys/types.h> +#include <unistd.h> +#include <sys/wait.h> + +#define MAXFORKS 20 +#define NSYSFILE 3 +#define tst(a,b) (*mode == 'r'? (b) : (a)) +#define RDR 0 +#define WTR 1 + +struct a_fork { + short done; + short fd; + int pid; + int status; +}; +static struct a_fork the_fork[MAXFORKS]; + +FILE * +popen(char *cmd, char *mode) +{ + int p[2]; + int myside, hisside, pid; + int i, ind; + + for (ind = 0; ind < MAXFORKS; ind++) + if (the_fork[ind].pid == 0) + break; + if (ind == MAXFORKS) + return NULL; + if(pipe(p) < 0) + return NULL; + myside = tst(p[WTR], p[RDR]); + hisside = tst(p[RDR], p[WTR]); + switch (pid = fork()) { + case -1: + return NULL; + case 0: + /* myside and hisside reverse roles in child */ + close(myside); + dup2(hisside, tst(0, 1)); + for (i=NSYSFILE; i<FOPEN_MAX; i++) + close(i); + execl("/bin/ape/sh", "sh", "-c", cmd, NULL); + _exit(1); + default: + the_fork[ind].pid = pid; + the_fork[ind].fd = myside; + the_fork[ind].done = 0; + close(hisside); + return(fdopen(myside, mode)); + } +} + +int +pclose(FILE *ptr) +{ + int f, r, ind; + int status; + + f = fileno(ptr); + fclose(ptr); + for (ind = 0; ind < MAXFORKS; ind++) + if (the_fork[ind].fd == f && the_fork[ind].pid != 0) + break; + if (ind == MAXFORKS) + return 0; + if (!the_fork[ind].done) { + do { + r = wait(&status); + for (f = 0; f < MAXFORKS; f++) + if (the_fork[f].pid == r) { + the_fork[f].done = 1; + the_fork[f].status = status; + break; + } + } while(r != the_fork[ind].pid && r != -1); + the_fork[ind].status = r == -1 ? -1 : status; + } + the_fork[ind].pid = 0; + return (the_fork[ind].status); +} diff --git a/sys/src/ape/lib/bsd/priv.h b/sys/src/ape/lib/bsd/priv.h new file mode 100755 index 000000000..f99fc5673 --- /dev/null +++ b/sys/src/ape/lib/bsd/priv.h @@ -0,0 +1,46 @@ +typedef struct Rock Rock; + +enum +{ + Ctlsize= 128, + + /* states */ + Sopen= 0, + Sbound, + Sconnected, + + /* types of name */ + Tsys= 0, + Tip, + Tdom, +}; + +/* + * since BSD programs expect to perform both control and data functions + * through a single fd, we need to hide enough info under a rock to + * be able to open the control file when we need it. + */ +struct Rock +{ + Rock *next; + unsigned long dev; /* inode & dev of data file */ + unsigned long inode; /* ... */ + int domain; /* from socket call */ + int stype; /* ... */ + int protocol; /* ... */ + struct sockaddr addr; /* address from bind */ + int reserved; /* use a priveledged port # (< 1024) */ + struct sockaddr raddr; /* peer address */ + char ctl[Ctlsize]; /* name of control file (if any) */ + int other; /* fd of the remote end for Unix domain */ +}; + +extern Rock* _sock_findrock(int, struct stat*); +extern Rock* _sock_newrock(int); +extern void _sock_srvname(char*, char*); +extern int _sock_srv(char*, int); +extern int _sock_data(int, char*, int, int, int, Rock**); +extern int _sock_ipattr(char*); +extern void _sock_ingetaddr(Rock*, struct sockaddr_in*, int*, char*); + +extern void _syserrno(void); diff --git a/sys/src/ape/lib/bsd/pty.c b/sys/src/ape/lib/bsd/pty.c new file mode 100755 index 000000000..3189d24e1 --- /dev/null +++ b/sys/src/ape/lib/bsd/pty.c @@ -0,0 +1,111 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <errno.h> +#include <string.h> +#include <fcntl.h> +#include <sys/stat.h> + +#include <sys/pty.h> +#include "lib.h" +#include "sys9.h" +#include "dir.h" + +/* + * return the name of the slave + */ +char* +ptsname(int fd) +{ + Dir *d; + static char buf[32]; + + if((d = _dirfstat(fd)) == nil || strlen(d->name) < 4){ + free(d); + _syserrno(); + return 0; + } + snprintf(buf, sizeof buf, "/dev/ptty%d", atoi(d->name+4)); + free(d); + return buf; +} + +/* + * return the name of the master + */ +char* +ptmname(int fd) +{ + Dir *d; + static char buf[32]; + + if((d = _dirfstat(fd)) == nil || strlen(d->name) < 4){ + free(d); + _syserrno(); + return 0; + } + + snprintf(buf, sizeof buf, "/dev/ttym%d", atoi(d->name+4)); + return buf; +} + +static char ptycl[] = "/dev/ptyclone"; +static char fssrv[] = "/srv/ptyfs"; + +static void +mkserver(void) +{ + int fd, i; + char *argv[3]; + + fd = _OPEN(fssrv, O_RDWR); + if(_MOUNT(fd, -1, "/dev", MAFTER, "") < 0) { + /* + * remove fssrv here, if it exists, to avoid a race + * between the loop in the default case below and the + * new ptyfs removing fssrv when it starts. + * we otherwise might be unlucky enough to open the old + * (hung channel) fssrv before ptyfs removes it and break + * out of the loop with an open fd to a hung channel? + */ + _CLOSE(fd); + _REMOVE(fssrv); + switch(_RFORK(RFPROC|RFFDG)) { + case -1: + return; + case 0: + argv[0] = "ptyfs"; + argv[1] = 0; + _EXEC("/bin/ape/ptyfs", argv); + _EXITS(0); + default: + for(i = 0; i < 3; i++) { + fd = _OPEN(fssrv, O_RDWR); + if(fd >= 0) + break; + _SLEEP(1000); + } + } + if(fd < 0) + return; + if(_MOUNT(fd, -1, "/dev", MAFTER, "") < 0) + _CLOSE(fd); + } + /* successful _MOUNT closes fd */ +} + +/* + * allocate a new pty + */ +int +_getpty(void) +{ + struct stat sb; + + if(stat(ptycl, &sb) < 0) + mkserver(); + + return open(ptycl, O_RDWR); +} diff --git a/sys/src/ape/lib/bsd/putenv.c b/sys/src/ape/lib/bsd/putenv.c new file mode 100755 index 000000000..63695ba76 --- /dev/null +++ b/sys/src/ape/lib/bsd/putenv.c @@ -0,0 +1,32 @@ +#include <sys/types.h> +#include <unistd.h> +#include <fcntl.h> +#include <string.h> + +int +putenv(char *s) +{ + int f, n; + char *value; + char buf[300]; + + value = strchr(s, '='); + if (value) { + n = value-s; + if(n<=0 || n > sizeof(buf)-6) + return -1; + strcpy(buf, "/env/"); + strncpy(buf+5, s, n); + buf[n+5] = 0; + f = creat(buf, 0666); + if(f < 0) + return 1; + value++; + n = strlen(value); + if(write(f, value, n) != n) + return -1; + close(f); + return 0; + } else + return -1; +} diff --git a/sys/src/ape/lib/bsd/rcmd.c b/sys/src/ape/lib/bsd/rcmd.c new file mode 100755 index 000000000..bac11735f --- /dev/null +++ b/sys/src/ape/lib/bsd/rcmd.c @@ -0,0 +1,138 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <signal.h> + +/* socket extensions */ +#include <sys/socket.h> +#include <netinet/in.h> +#include <sys/un.h> +#include <netdb.h> + +#include "priv.h" + +static char pbotch[] = "rcmd: protocol botch\n"; +static char lbotch[] = "rcmd: botch starting error stream\n"; + +static void +ding(int x) +{ +} + +int +rcmd(char **dst, int port, char *luser, char *ruser, char *cmd, int *fd2p) +{ + char c; + int i, fd, lfd, fd2, port2; + struct hostent *h; + Rock *r; + struct sockaddr_in in; + char buf[128]; + void (*x)(int); + + h = gethostbyname(*dst); + if(h == 0) + return -1; + *dst = h->h_name; + + /* connect using a reserved tcp port */ + fd = socket(PF_INET, SOCK_STREAM, 0); + if(fd < 0) + return -1; + r = _sock_findrock(fd, 0); + if(r == 0){ + errno = ENOTSOCK; + return -1; + } + r->reserved = 1; + in.sin_family = AF_INET; + in.sin_port = htons(port); + memmove(&in.sin_addr, h->h_addr_list[0], sizeof(in.sin_addr)); + if(connect(fd, &in, sizeof(in)) < 0){ + close(fd); + return -1; + } + + /* error stream */ + if(fd2p){ + /* create an error stream and wait for a call in */ + for(i = 0; i < 10; i++){ + lfd = rresvport(&port2); + if(lfd < 0) + continue; + if(listen(lfd, 1) == 0) + break; + close(lfd); + } + if(i >= 10){ + fprintf(stderr, pbotch); + return -1; + } + + snprintf(buf, sizeof buf, "%d", port2); + if(write(fd, buf, strlen(buf)+1) < 0){ + close(fd); + close(lfd); + fprintf(stderr, lbotch); + return -1; + } + } else { + if(write(fd, "", 1) < 0){ + fprintf(stderr, pbotch); + return -1; + } + } + + /* pass id's and command */ + if(write(fd, luser, strlen(luser)+1) < 0 + || write(fd, ruser, strlen(ruser)+1) < 0 + || write(fd, cmd, strlen(cmd)+1) < 0){ + if(fd2p) + close(fd2); + fprintf(stderr, pbotch); + return -1; + } + + if(fd2p){ + x = signal(SIGALRM, ding); + alarm(15); + fd2 = accept(lfd, &in, &i); + alarm(0); + close(lfd); + signal(SIGALRM, x); + + if(fd2 < 0){ + close(fd); + close(lfd); + fprintf(stderr, lbotch); + return -1; + } + *fd2p = fd2; + } + + /* get reply */ + if(read(fd, &c, 1) != 1){ + if(fd2p) + close(fd2); + fprintf(stderr, pbotch); + return -1; + } + if(c == 0) + return fd; + i = 0; + while(c){ + buf[i++] = c; + if(read(fd, &c, 1) != 1) + break; + if(i >= sizeof(buf)-1) + break; + } + buf[i] = 0; + fprintf(stderr, "rcmd: %s\n", buf); + close(fd); + return -1; +} diff --git a/sys/src/ape/lib/bsd/readv.c b/sys/src/ape/lib/bsd/readv.c new file mode 100755 index 000000000..91a7157d0 --- /dev/null +++ b/sys/src/ape/lib/bsd/readv.c @@ -0,0 +1,30 @@ +#include <unistd.h> +#include <string.h> +#include <sys/uio.h> + +int +readv(int fd, struct iovec *v, int ent) +{ + int x, i, n, len; + char *t; + char buf[10*1024]; + + for(len = i = 0; i < ent; i++) + len += v[i].iov_len; + if(len > sizeof(buf)) + len = sizeof(buf); + + len = read(fd, buf, len); + if(len <= 0) + return len; + + for(n = i = 0; n < len && i < ent; i++){ + x = len - n; + if(x > v[i].iov_len) + x = v[i].iov_len; + memmove(v[i].iov_base, buf + n, x); + n += x; + } + + return len; +} diff --git a/sys/src/ape/lib/bsd/rresvport.c b/sys/src/ape/lib/bsd/rresvport.c new file mode 100755 index 000000000..6df09c87d --- /dev/null +++ b/sys/src/ape/lib/bsd/rresvport.c @@ -0,0 +1,37 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <time.h> + +/* socket extensions */ +#include <sys/socket.h> +#include <netinet/in.h> +#include <sys/un.h> + +int +rresvport(int *p) +{ + int fd; + short i; + struct sockaddr_in in; + static int next; + + fd = socket(PF_INET, SOCK_STREAM, 0); + if(fd < 0) + return -1; + i = 600 + ((getpid()+next++)%(1024-600)); + memset(&in, 0, sizeof(in)); + in.sin_family = AF_INET; + in.sin_port = htons(i); +printf("in.sin_port = %d\n", in.sin_port); + if(bind(fd, &in, sizeof(in)) < 0){ + close(fd); + return -1; + } + if(p) + *p = i; + return fd; +} diff --git a/sys/src/ape/lib/bsd/send.c b/sys/src/ape/lib/bsd/send.c new file mode 100755 index 000000000..e46346a03 --- /dev/null +++ b/sys/src/ape/lib/bsd/send.c @@ -0,0 +1,31 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <fcntl.h> +#include <errno.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> + +#include "priv.h" + +int +send(int fd, char *a, int n, int flags) +{ + if(flags & MSG_OOB){ + errno = EOPNOTSUPP; + return -1; + } + return write(fd, a, n); +} + +int +recv(int fd, char *a, int n, int flags) +{ + if(flags & MSG_OOB){ + errno = EOPNOTSUPP; + return -1; + } + return read(fd, a, n); +} diff --git a/sys/src/ape/lib/bsd/sendto.c b/sys/src/ape/lib/bsd/sendto.c new file mode 100755 index 000000000..0ab450471 --- /dev/null +++ b/sys/src/ape/lib/bsd/sendto.c @@ -0,0 +1,28 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <fcntl.h> +#include <errno.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> + +#include "priv.h" + +int +sendto(int fd, void *a, int n, int flags, + void *to, int tolen) +{ + /* actually, should do connect if not done already */ + return send(fd, a, n, flags); +} + +int +recvfrom(int fd, void *a, int n, int flags, + void *from, int *fromlen) +{ + if(getsockname(fd, from, fromlen) < 0) + return -1; + return recv(fd, a, n, flags); +} diff --git a/sys/src/ape/lib/bsd/sethostent.c b/sys/src/ape/lib/bsd/sethostent.c new file mode 100755 index 000000000..73867c96b --- /dev/null +++ b/sys/src/ape/lib/bsd/sethostent.c @@ -0,0 +1,5 @@ +int +sethostent(int) +{ + return 0; +} diff --git a/sys/src/ape/lib/bsd/setlinebuf.c b/sys/src/ape/lib/bsd/setlinebuf.c new file mode 100755 index 000000000..acc907e8d --- /dev/null +++ b/sys/src/ape/lib/bsd/setlinebuf.c @@ -0,0 +1,9 @@ +#include <stdio.h> + +void +setlinebuf(FILE *f) +{ + static char buf[BUFSIZ]; + + setvbuf (f, buf, _IOLBF, BUFSIZ); +} diff --git a/sys/src/ape/lib/bsd/shutdown.c b/sys/src/ape/lib/bsd/shutdown.c new file mode 100755 index 000000000..dcb15a847 --- /dev/null +++ b/sys/src/ape/lib/bsd/shutdown.c @@ -0,0 +1,11 @@ +#include <sys/types.h> +#include <unistd.h> + +int +shutdown(int fd, int how) +{ + if(how == 2) + close(fd); + + return 0; +} diff --git a/sys/src/ape/lib/bsd/socket.c b/sys/src/ape/lib/bsd/socket.c new file mode 100755 index 000000000..6623936b8 --- /dev/null +++ b/sys/src/ape/lib/bsd/socket.c @@ -0,0 +1,175 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <stdio.h> +#include <errno.h> +#include <string.h> +#include <fcntl.h> +#include <sys/stat.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> + +#include "priv.h" + +Rock *_sock_rock; + +Rock* +_sock_findrock(int fd, struct stat *dp) +{ + Rock *r; + struct stat d; + + if(dp == 0) + dp = &d; + fstat(fd, dp); + for(r = _sock_rock; r; r = r->next){ + if(r->inode == dp->st_ino + && r->dev == dp->st_dev) + break; + } + return r; +} + +Rock* +_sock_newrock(int fd) +{ + Rock *r; + struct stat d; + + r = _sock_findrock(fd, &d); + if(r == 0){ + r = malloc(sizeof(Rock)); + if(r == 0) + return 0; + r->dev = d.st_dev; + r->inode = d.st_ino; + r->other = -1; + r->next = _sock_rock; + _sock_rock = r; + } + memset(&r->raddr, 0, sizeof(r->raddr)); + memset(&r->addr, 0, sizeof(r->addr)); + r->reserved = 0; + r->dev = d.st_dev; + r->inode = d.st_ino; + r->other = -1; + return r; +} + +int +_sock_data(int cfd, char *net, int domain, int stype, int protocol, Rock **rp) +{ + int n, fd; + Rock *r; + char name[Ctlsize]; + + /* get the data file name */ + n = read(cfd, name, sizeof(name)-1); + if(n < 0){ + close(cfd); + errno = ENOBUFS; + return -1; + } + name[n] = 0; + n = strtoul(name, 0, 0); + snprintf(name, sizeof name, "/net/%s/%d/data", net, n); + + /* open data file */ + fd = open(name, O_RDWR); + close(cfd); + if(fd < 0){ + close(cfd); + errno = ENOBUFS; + return -1; + } + + /* hide stuff under the rock */ + snprintf(name, sizeof name, "/net/%s/%d/ctl", net, n); + r = _sock_newrock(fd); + if(r == 0){ + errno = ENOBUFS; + close(fd); + return -1; + } + if(rp) + *rp = r; + memset(&r->raddr, 0, sizeof(r->raddr)); + memset(&r->addr, 0, sizeof(r->addr)); + r->domain = domain; + r->stype = stype; + r->protocol = protocol; + strcpy(r->ctl, name); + return fd; +} + +int +socket(int domain, int stype, int protocol) +{ + Rock *r; + int cfd, fd, n; + int pfd[2]; + char *net; + + switch(domain){ + case PF_INET: + /* get a free network directory */ + switch(stype){ + case SOCK_DGRAM: + net = "udp"; + cfd = open("/net/udp/clone", O_RDWR); + break; + case SOCK_STREAM: + net = "tcp"; + cfd = open("/net/tcp/clone", O_RDWR); + break; + default: + errno = EPROTONOSUPPORT; + return -1; + } + if(cfd < 0){ + _syserrno(); + return -1; + } + return _sock_data(cfd, net, domain, stype, protocol, 0); + case PF_UNIX: + if(pipe(pfd) < 0){ + _syserrno(); + return -1; + } + r = _sock_newrock(pfd[0]); + r->domain = domain; + r->stype = stype; + r->protocol = protocol; + r->other = pfd[1]; + return pfd[0]; + default: + errno = EPROTONOSUPPORT; + return -1; + } +} + +int +issocket(int fd) +{ + Rock *r; + + r = _sock_findrock(fd, 0); + return (r != 0); +} + +/* + * probably should do better than this + */ +int getsockopt(int, int, int, void *, int *) +{ + return -1; +} + +int setsockopt(int, int, int, void *, int) +{ + return 0; +} + diff --git a/sys/src/ape/lib/bsd/socketpair.c b/sys/src/ape/lib/bsd/socketpair.c new file mode 100755 index 000000000..990c3f77f --- /dev/null +++ b/sys/src/ape/lib/bsd/socketpair.c @@ -0,0 +1,21 @@ +/* posix */ +#include <sys/types.h> +#include <unistd.h> +#include <stdlib.h> +#include <errno.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> + +int +socketpair(int domain, int type, int protocol, int *sv) +{ + switch(domain){ + case PF_UNIX: + return pipe(sv); + default: + errno = EOPNOTSUPP; + return -1; + } +} diff --git a/sys/src/ape/lib/bsd/strcasecmp.c b/sys/src/ape/lib/bsd/strcasecmp.c new file mode 100755 index 000000000..7fb8c8a80 --- /dev/null +++ b/sys/src/ape/lib/bsd/strcasecmp.c @@ -0,0 +1,28 @@ +#include <string.h> + +typedef unsigned char uchar; + + +int +strcasecmp(char *s1, char *s2) +{ + int c1, c2; + + while(*s1){ + c1 = *(uchar*)s1++; + c2 = *(uchar*)s2++; + + if(c1 == c2) + continue; + + if(c1 >= 'A' && c1 <= 'Z') + c1 -= 'A' - 'a'; + + if(c2 >= 'A' && c2 <= 'Z') + c2 -= 'A' - 'a'; + + if(c1 != c2) + return c1 - c2; + } + return -*s2; +} diff --git a/sys/src/ape/lib/bsd/strdup.c b/sys/src/ape/lib/bsd/strdup.c new file mode 100755 index 000000000..5e4a3759e --- /dev/null +++ b/sys/src/ape/lib/bsd/strdup.c @@ -0,0 +1,16 @@ +#include <string.h> +#include <ctype.h> +#include <stdlib.h> + +char* +strdup(char *p) +{ + int n; + char *np; + + n = strlen(p)+1; + np = malloc(n); + if(np) + memmove(np, p, n); + return np; +} diff --git a/sys/src/ape/lib/bsd/strncasecmp.c b/sys/src/ape/lib/bsd/strncasecmp.c new file mode 100755 index 000000000..a9ddc8dee --- /dev/null +++ b/sys/src/ape/lib/bsd/strncasecmp.c @@ -0,0 +1,29 @@ +#include <string.h> + +typedef unsigned char uchar; + +int +strncasecmp(char *s1, char *s2, int n) +{ + int c1, c2; + + while(*s1 && n-- > 0){ + c1 = *(uchar*)s1++; + c2 = *(uchar*)s2++; + + if(c1 == c2) + continue; + + if(c1 >= 'A' && c1 <= 'Z') + c1 -= 'A' - 'a'; + + if(c2 >= 'A' && c2 <= 'Z') + c2 -= 'A' - 'a'; + + if(c1 != c2) + return c1 - c2; + } + if(n <= 0) + return 0; + return -*s2; +} diff --git a/sys/src/ape/lib/bsd/writev.c b/sys/src/ape/lib/bsd/writev.c new file mode 100755 index 000000000..fbb36b692 --- /dev/null +++ b/sys/src/ape/lib/bsd/writev.c @@ -0,0 +1,62 @@ +#include <sys/types.h> +#include <unistd.h> +#include <string.h> + +/* bsd extensions */ +#include <sys/uio.h> +#include <sys/socket.h> + +#include "priv.h" + +int +writev(int fd, struct iovec *v, int ent) +{ + int i, n, written; + char *t, *e, *f; + char buf[10*1024]; + + written = n = 0; + t = buf; + e = buf+sizeof(buf); + for(;ent ; v++, ent--){ + n = v->iov_len; + f = v->iov_base; + while(n > 0){ + i = e-t; + if(n < i){ + memmove(t, f, n); + t += n; + break; + } + memmove(t, f, i); + n -= i; + f += i; + i = write(fd, buf, sizeof(buf)); + if(i < 0){ + if(written > 0){ + return written; + }else{ + _syserrno(); + return -1; + } + } + written += i; + if(i != sizeof(buf)) { + return written; + } + t = buf; + } + } + i = t - buf; + if(i > 0){ + n = write(fd, buf, i); + if(n < 0){ + if(written == 0){ + _syserrno(); + return -1; + } + } else + written += n; + } + return written; +} diff --git a/sys/src/ape/lib/draw/colors.c b/sys/src/ape/lib/draw/colors.c new file mode 100755 index 000000000..2f668cdc3 --- /dev/null +++ b/sys/src/ape/lib/draw/colors.c @@ -0,0 +1,203 @@ +#include <u.h> +#include <libc.h> +#include <draw.h> +#include <event.h> + +char *argv0; + +static void +_sysfatalimpl(char *fmt, va_list arg) +{ + char buf[1024]; + + vseprint(buf, buf+sizeof(buf), fmt, arg); + if(argv0) + fprint(2, "%s: %s\n", argv0, buf); + else + fprint(2, "%s\n", buf); + exits(buf); +} + +void (*_sysfatal)(char *fmt, va_list arg) = _sysfatalimpl; + +void +sysfatal(char *fmt, ...) +{ + va_list arg; + + va_start(arg, fmt); + (*_sysfatal)(fmt, arg); + va_end(arg); +} + +int nbit, npix; +Image *pixel; +Rectangle crect[256]; + +Image *color[256]; + +void +eresized(int new) +{ + int x, y, i, n, nx, ny; + Rectangle r, b; + + if(new && getwindow(display, Refnone) < 0){ + fprint(2, "colors: can't reattach to window: %r\n"); + exits("resized"); + } + if(screen->depth > 8){ + n = 256; + nx = 16; + }else{ + n = 1<<screen->depth; + nx = 1<<(screen->depth/2); + } + + ny = n/nx; + draw(screen, screen->r, display->white, nil, ZP); + r = insetrect(screen->r, 5); + r.min.y+=20; + b.max.y=r.min.y; + for(i=n-1, y=0; y!=ny; y++){ + b.min.y=b.max.y; + b.max.y=r.min.y+(r.max.y-r.min.y)*(y+1)/ny; + b.max.x=r.min.x; + for(x=0; x!=nx; x++, --i){ + b.min.x=b.max.x; + b.max.x=r.min.x+(r.max.x-r.min.x)*(x+1)/nx; + crect[i]=insetrect(b, 1); + draw(screen, crect[i], color[i], nil, ZP); + } + } + flushimage(display, 1); +} + +char *buttons[] = +{ + "exit", + 0 +}; + +ulong +grey(int i) +{ + if(i < 0) + return grey(0); + if(i > 255) + return grey(255); + return (i<<16)+(i<<8)+i; +} + +Menu menu = +{ + buttons +}; + +int +dither[16] = { + 0, 8, 2, 10, + 12, 4, 14, 6, + 3, 11, 1, 9, + 15, 7, 13, 5 +}; + +void +main(int argc, char *argv[]) +{ + Point p; + Mouse m; + int i, j, k, l, n, ramp, prev; + char buf[100]; + char *fmt; + Image *dark; + ulong rgb; + + ramp = 0; + + fmt = "index %3d r %3lud g %3lud b %3lud 0x%.8luX "; +/* + ARGBEGIN{ + default: + goto Usage; + case 'x': + fmt = "index %2luX r %3luX g %3luX b %3luX 0x%.8luX "; + break; + case 'r': + ramp = 1; + break; + }ARGEND +*/ + argv0 = argv[0]; + if(argc != 1){ + Usage: + fprint(2, "Usage: %s [-rx]\n", argv0); + exits("usage"); + } + + if(initdraw(nil, nil, "colors") < 0) + sysfatal("initdraw failed: %r"); + einit(Emouse); + + for(i=0; i<256; i++){ + if(ramp){ + if(screen->chan == CMAP8){ + /* dither the fine grey */ + j = i-(i%17); + dark = allocimage(display, Rect(0,0,1,1), screen->chan, 1, (grey(j)<<8)+0xFF); + color[i] = allocimage(display, Rect(0,0,4,4), screen->chan, 1, (grey(j+17)<<8)+0xFF); + for(j=0; j<16; j++){ + k = j%4; + l = j/4; + if(dither[j] > (i%17)) + draw(color[i], Rect(k, l, k+1, l+1), dark, nil, ZP); + } + freeimage(dark); + }else + color[i] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, (grey(i)<<8)+0xFF); + }else + color[i] = allocimage(display, Rect(0,0,1,1), screen->chan, 1, (cmap2rgb(i)<<8)+0xFF); + if(color[i] == nil) + sysfatal("can't allocate image: %r"); + } + eresized(0); + prev = -1; + for(;;){ + m = emouse(); + switch(m.buttons){ + case 1: + while(m.buttons){ + if(screen->depth > 8) + n = 256; + else + n = 1<<screen->depth; + for(i=0; i!=n; i++) + if(i!=prev && ptinrect(m.xy, crect[i])){ + if(ramp) + rgb = grey(i); + else + rgb = cmap2rgb(i); + sprint(buf, fmt, + i, + (rgb>>16)&0xFF, + (rgb>>8)&0xFF, + rgb&0xFF, + (rgb<<8) | 0xFF); + p = addpt(screen->r.min, Pt(2,2)); + draw(screen, Rpt(p, addpt(p, stringsize(font, buf))), display->white, nil, p); + string(screen, p, display->black, ZP, font, buf); + prev=i; + break; + } + m = emouse(); + } + break; + + case 4: + switch(emenuhit(3, &m, &menu)){ + case 0: + exits(0); + } + } + } +} diff --git a/sys/src/ape/lib/draw/libc.h b/sys/src/ape/lib/draw/libc.h new file mode 100755 index 000000000..97e3deacb --- /dev/null +++ b/sys/src/ape/lib/draw/libc.h @@ -0,0 +1,137 @@ +#define _LOCK_EXTENSION +#define _QLOCK_EXTENSION +#define _BSD_EXTENSION +#include <sys/types.h> +#include <lock.h> +#include <qlock.h> +#include <lib9.h> +#include <stdlib.h> +#include <string.h> +#include <bsd.h> +#include <unistd.h> +#include <fcntl.h> +#include <assert.h> +#include <utf.h> +#include <fmt.h> +#include <signal.h> + +typedef +struct Qid +{ + uvlong path; + ulong vers; + uchar type; +} Qid; + +typedef +struct Dir { + /* system-modified data */ + ushort type; /* server type */ + uint dev; /* server subtype */ + /* file data */ + Qid qid; /* unique id from server */ + ulong mode; /* permissions */ + ulong atime; /* last read time */ + ulong mtime; /* last write time */ + vlong length; /* file length: see <u.h> */ + char *name; /* last element of path */ + char *uid; /* owner name */ + char *gid; /* group name */ + char *muid; /* last modifier name */ +} Dir; + +uint _convM2D(uchar*, uint, Dir*, char*); +uint _convD2M(Dir*, uchar*, uint); +Dir *_dirstat(char*); +int _dirwstat(char*, Dir*); +Dir *_dirfstat(int); +int _dirfwstat(int, Dir*); +long _dirread(int, Dir**); +long _dirreadall(int, Dir**); +void _nulldir(Dir*); +uint _sizeD2M(Dir*); + +typedef +struct Waitmsg +{ + int pid; /* of loved one */ + unsigned long time[3]; /* of loved one & descendants */ + char *msg; +} Waitmsg; + + +extern int _AWAIT(char*, int); +extern int _ALARM(unsigned long); +extern int _BIND(const char*, const char*, int); +extern int _CHDIR(const char*); +extern int _CLOSE(int); +extern int _CREATE(char*, int, unsigned long); +extern int _DUP(int, int); +extern int _ERRSTR(char*, unsigned int); +extern int _EXEC(char*, char*[]); +extern void _EXITS(char *); +extern int _FD2PATH(int, char*, int); +extern int _FAUTH(int, char*); +extern int _FSESSION(int, char*, int); +extern int _FSTAT(int, unsigned char*, int); +extern int _FWSTAT(int, unsigned char*, int); +extern int _MOUNT(int, int, const char*, int, const char*); +extern int _NOTED(int); +extern int _NOTIFY(int(*)(void*, char*)); +extern int _OPEN(const char*, int); +extern int _PIPE(int*); +extern long _PREAD(int, void*, long, long long); +extern long _PWRITE(int, void*, long, long long); +extern long _READ(int, void*, long); +extern int _REMOVE(const char*); +extern int _RENDEZVOUS(unsigned long, unsigned long); +extern int _RFORK(int); +extern int _SEGATTACH(int, char*, void*, unsigned long); +extern int _SEGBRK(void*, void*); +extern int _SEGDETACH(void*); +extern int _SEGFLUSH(void*, unsigned long); +extern int _SEGFREE(void*, unsigned long); +extern long long _SEEK(int, long long, int); +extern int _SLEEP(long); +extern int _STAT(const char*, unsigned char*, int); +extern Waitmsg* _WAIT(void); +extern long _WRITE(int, const void*, long); +extern int _WSTAT(const char*, unsigned char*, int); +extern void *_MALLOCZ(int, int); +extern int _WERRSTR(char*, ...); +extern long _READN(int, void*, long); +extern int _IOUNIT(int); + +#define dirstat _dirstat +#define dirfstat _dirfstat + +#define OREAD 0 +#define OWRITE 1 +#define ORDWR 2 +#define OCEXEC 32 + +#define AREAD 4 +#define AWRITE 2 +#define AEXEC 1 +#define AEXIST 0 + +#define open _OPEN +#define close _CLOSE +#define read _READ +#define write _WRITE +#define _exits(s) _exit(s && *(char*)s ? 1 : 0) +#define exits(s) exit(s && *(char*)s ? 1 : 0) +#define create _CREATE +#define pread _PREAD +#define readn _READN +#define mallocz _MALLOCZ +#define iounit _IOUNIT + +/* assume being called as in event.c */ +#define postnote(x, pid, msg) kill(pid, SIGTERM) +#define atnotify(x, y) signal(SIGTERM, ekill) + +#define ERRMAX 128 + +extern void setmalloctag(void*, ulong); +extern ulong getcallerpc(void*); diff --git a/sys/src/ape/lib/draw/mkfile b/sys/src/ape/lib/draw/mkfile new file mode 100755 index 000000000..278b186b8 --- /dev/null +++ b/sys/src/ape/lib/draw/mkfile @@ -0,0 +1,78 @@ +APE=/sys/src/ape +<$APE/config + +LIB=/$objtype/lib/ape/libdraw.a + +OFILES=\ + alloc.$O\ + allocimagemix.$O\ + arith.$O\ + bezier.$O\ + border.$O\ + buildfont.$O\ + bytesperline.$O\ + chan.$O\ + cloadimage.$O\ + computil.$O\ + creadimage.$O\ + debug.$O\ + defont.$O\ + draw.$O\ + drawrepl.$O\ + egetrect.$O\ + ellipse.$O\ + emenuhit.$O\ + event.$O\ + fmt.$O\ + font.$O\ + freesubfont.$O\ + getdefont.$O\ + getsubfont.$O\ + icossin.$O\ + icossin2.$O\ + init.$O\ + line.$O\ + mkfont.$O\ + newwindow.$O\ + openfont.$O\ + poly.$O\ + loadimage.$O\ + readimage.$O\ + readsubfont.$O\ + rectclip.$O\ + replclipr.$O\ + rgb.$O\ + string.$O\ + stringbg.$O\ + stringsubfont.$O\ + stringwidth.$O\ + subfont.$O\ + subfontcache.$O\ + subfontname.$O\ + unloadimage.$O\ + window.$O\ + writecolmap.$O\ + writeimage.$O\ + writesubfont.$O\ + +HFILES=\ + /sys/include/ape/draw.h\ + /sys/include/ape/event.h\ + /sys/include/ape/mouse.h\ + /sys/include/ape/keyboard.h\ + +UPDATE=\ + mkfile\ + $HFILES\ + ${OFILES:%.$O=%.c}\ + ${LIB:/$objtype/%=/386/%}\ + +</sys/src/cmd/mksyslib + +CFLAGS=-c $CFLAGS -D_POSIX_SOURCE -D_PLAN9_SOURCE -I. + +%.$O: /sys/src/libdraw/%.c + $CC $CFLAGS /sys/src/libdraw/$stem.c + +$O.colors: colors.$O + $LD -o $target colors.$O diff --git a/sys/src/ape/lib/fmt/charstod.c b/sys/src/ape/lib/fmt/charstod.c new file mode 100755 index 000000000..ec403b11b --- /dev/null +++ b/sys/src/ape/lib/fmt/charstod.c @@ -0,0 +1,85 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +/* + * Reads a floating-point number by interpreting successive characters + * returned by (*f)(vp). The last call it makes to f terminates the + * scan, so is not a character in the number. It may therefore be + * necessary to back up the input stream up one byte after calling charstod. + */ + +double +fmtcharstod(int(*f)(void*), void *vp) +{ + double num, dem; + int neg, eneg, dig, exp, c; + + num = 0; + neg = 0; + dig = 0; + exp = 0; + eneg = 0; + + c = (*f)(vp); + while(c == ' ' || c == '\t') + c = (*f)(vp); + if(c == '-' || c == '+'){ + if(c == '-') + neg = 1; + c = (*f)(vp); + } + while(c >= '0' && c <= '9'){ + num = num*10 + c-'0'; + c = (*f)(vp); + } + if(c == '.') + c = (*f)(vp); + while(c >= '0' && c <= '9'){ + num = num*10 + c-'0'; + dig++; + c = (*f)(vp); + } + if(c == 'e' || c == 'E'){ + c = (*f)(vp); + if(c == '-' || c == '+'){ + if(c == '-'){ + dig = -dig; + eneg = 1; + } + c = (*f)(vp); + } + while(c >= '0' && c <= '9'){ + exp = exp*10 + c-'0'; + c = (*f)(vp); + } + } + exp -= dig; + if(exp < 0){ + exp = -exp; + eneg = !eneg; + } + dem = __fmtpow10(exp); + if(eneg) + num /= dem; + else + num *= dem; + if(neg) + return -num; + return num; +} diff --git a/sys/src/ape/lib/fmt/dofmt.c b/sys/src/ape/lib/fmt/dofmt.c new file mode 100755 index 000000000..014b66257 --- /dev/null +++ b/sys/src/ape/lib/fmt/dofmt.c @@ -0,0 +1,557 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +/* format the output into f->to and return the number of characters fmted */ +int +dofmt(Fmt *f, char *fmt) +{ + Rune rune, *rt, *rs; + int r; + char *t, *s; + int n, nfmt; + + nfmt = f->nfmt; + for(;;){ + if(f->runes){ + rt = (Rune*)f->to; + rs = (Rune*)f->stop; + while((r = *(uchar*)fmt) && r != '%'){ + if(r < Runeself) + fmt++; + else{ + fmt += chartorune(&rune, fmt); + r = rune; + } + FMTRCHAR(f, rt, rs, r); + } + fmt++; + f->nfmt += rt - (Rune *)f->to; + f->to = rt; + if(!r) + return f->nfmt - nfmt; + f->stop = rs; + }else{ + t = (char*)f->to; + s = (char*)f->stop; + while((r = *(uchar*)fmt) && r != '%'){ + if(r < Runeself){ + FMTCHAR(f, t, s, r); + fmt++; + }else{ + n = chartorune(&rune, fmt); + if(t + n > s){ + t = (char*)__fmtflush(f, t, n); + if(t != nil) + s = (char*)f->stop; + else + return -1; + } + while(n--) + *t++ = *fmt++; + } + } + fmt++; + f->nfmt += t - (char *)f->to; + f->to = t; + if(!r) + return f->nfmt - nfmt; + f->stop = s; + } + + fmt = (char*)__fmtdispatch(f, fmt, 0); + if(fmt == nil) + return -1; + } +} + +void * +__fmtflush(Fmt *f, void *t, int len) +{ + if(f->runes) + f->nfmt += (Rune*)t - (Rune*)f->to; + else + f->nfmt += (char*)t - (char *)f->to; + f->to = t; + if(f->flush == 0 || (*f->flush)(f) == 0 || (char*)f->to + len > (char*)f->stop){ + f->stop = f->to; + return nil; + } + return f->to; +} + +/* + * put a formatted block of memory sz bytes long of n runes into the output buffer, + * left/right justified in a field of at least f->width charactes + */ +int +__fmtpad(Fmt *f, int n) +{ + char *t, *s; + int i; + + t = (char*)f->to; + s = (char*)f->stop; + for(i = 0; i < n; i++) + FMTCHAR(f, t, s, ' '); + f->nfmt += t - (char *)f->to; + f->to = t; + return 0; +} + +int +__rfmtpad(Fmt *f, int n) +{ + Rune *t, *s; + int i; + + t = (Rune*)f->to; + s = (Rune*)f->stop; + for(i = 0; i < n; i++) + FMTRCHAR(f, t, s, ' '); + f->nfmt += t - (Rune *)f->to; + f->to = t; + return 0; +} + +int +__fmtcpy(Fmt *f, const void *vm, int n, int sz) +{ + Rune *rt, *rs, r; + char *t, *s, *m, *me; + ulong fl; + int nc, w; + + m = (char*)vm; + me = m + sz; + w = f->width; + fl = f->flags; + if((fl & FmtPrec) && n > f->prec) + n = f->prec; + if(f->runes){ + if(!(fl & FmtLeft) && __rfmtpad(f, w - n) < 0) + return -1; + rt = (Rune*)f->to; + rs = (Rune*)f->stop; + for(nc = n; nc > 0; nc--){ + r = *(uchar*)m; + if(r < Runeself) + m++; + else if((me - m) >= UTFmax || fullrune(m, me-m)) + m += chartorune(&r, m); + else + break; + FMTRCHAR(f, rt, rs, r); + } + f->nfmt += rt - (Rune *)f->to; + f->to = rt; + if(m < me) + return -1; + if(fl & FmtLeft && __rfmtpad(f, w - n) < 0) + return -1; + }else{ + if(!(fl & FmtLeft) && __fmtpad(f, w - n) < 0) + return -1; + t = (char*)f->to; + s = (char*)f->stop; + for(nc = n; nc > 0; nc--){ + r = *(uchar*)m; + if(r < Runeself) + m++; + else if((me - m) >= UTFmax || fullrune(m, me-m)) + m += chartorune(&r, m); + else + break; + FMTRUNE(f, t, s, r); + } + f->nfmt += t - (char *)f->to; + f->to = t; + if(fl & FmtLeft && __fmtpad(f, w - n) < 0) + return -1; + } + return 0; +} + +int +__fmtrcpy(Fmt *f, const void *vm, int n) +{ + Rune r, *m, *me, *rt, *rs; + char *t, *s; + ulong fl; + int w; + + m = (Rune*)vm; + w = f->width; + fl = f->flags; + if((fl & FmtPrec) && n > f->prec) + n = f->prec; + if(f->runes){ + if(!(fl & FmtLeft) && __rfmtpad(f, w - n) < 0) + return -1; + rt = (Rune*)f->to; + rs = (Rune*)f->stop; + for(me = m + n; m < me; m++) + FMTRCHAR(f, rt, rs, *m); + f->nfmt += rt - (Rune *)f->to; + f->to = rt; + if(fl & FmtLeft && __rfmtpad(f, w - n) < 0) + return -1; + }else{ + if(!(fl & FmtLeft) && __fmtpad(f, w - n) < 0) + return -1; + t = (char*)f->to; + s = (char*)f->stop; + for(me = m + n; m < me; m++){ + r = *m; + FMTRUNE(f, t, s, r); + } + f->nfmt += t - (char *)f->to; + f->to = t; + if(fl & FmtLeft && __fmtpad(f, w - n) < 0) + return -1; + } + return 0; +} + +/* fmt out one character */ +int +__charfmt(Fmt *f) +{ + char x[1]; + + x[0] = va_arg(f->args, int); + f->prec = 1; + return __fmtcpy(f, (const char*)x, 1, 1); +} + +/* fmt out one rune */ +int +__runefmt(Fmt *f) +{ + Rune x[1]; + + x[0] = va_arg(f->args, int); + return __fmtrcpy(f, (const void*)x, 1); +} + +/* public helper routine: fmt out a null terminated string already in hand */ +int +fmtstrcpy(Fmt *f, char *s) +{ + int p, i; + if(!s) + return __fmtcpy(f, "<nil>", 5, 5); + /* if precision is specified, make sure we don't wander off the end */ + if(f->flags & FmtPrec){ + p = f->prec; + for(i = 0; i < p; i++) + if(s[i] == 0) + break; + return __fmtcpy(f, s, utfnlen(s, i), i); /* BUG?: won't print a partial rune at end */ + } + + return __fmtcpy(f, s, utflen(s), strlen(s)); +} + +/* fmt out a null terminated utf string */ +int +__strfmt(Fmt *f) +{ + char *s; + + s = va_arg(f->args, char *); + return fmtstrcpy(f, s); +} + +/* public helper routine: fmt out a null terminated rune string already in hand */ +int +fmtrunestrcpy(Fmt *f, Rune *s) +{ + Rune *e; + int n, p; + + if(!s) + return __fmtcpy(f, "<nil>", 5, 5); + /* if precision is specified, make sure we don't wander off the end */ + if(f->flags & FmtPrec){ + p = f->prec; + for(n = 0; n < p; n++) + if(s[n] == 0) + break; + }else{ + for(e = s; *e; e++) + ; + n = e - s; + } + return __fmtrcpy(f, s, n); +} + +/* fmt out a null terminated rune string */ +int +__runesfmt(Fmt *f) +{ + Rune *s; + + s = va_arg(f->args, Rune *); + return fmtrunestrcpy(f, s); +} + +/* fmt a % */ +int +__percentfmt(Fmt *f) +{ + Rune x[1]; + + x[0] = f->r; + f->prec = 1; + return __fmtrcpy(f, (const void*)x, 1); +} + +/* fmt an integer */ +int +__ifmt(Fmt *f) +{ + char buf[70], *p, *conv; + uvlong vu; + ulong u; + int neg, base, i, n, fl, w, isv; + + neg = 0; + fl = f->flags; + isv = 0; + vu = 0; + u = 0; + /* + * Unsigned verbs + */ + switch(f->r){ + case 'o': + case 'u': + case 'x': + case 'X': + fl |= FmtUnsigned; + break; + } + if(f->r == 'p'){ + u = (ulong)va_arg(f->args, void*); + f->r = 'x'; + fl |= FmtUnsigned; + }else if(fl & FmtVLong){ + isv = 1; + if(fl & FmtUnsigned) + vu = va_arg(f->args, uvlong); + else + vu = va_arg(f->args, vlong); + }else if(fl & FmtLong){ + if(fl & FmtUnsigned) + u = va_arg(f->args, ulong); + else + u = va_arg(f->args, long); + }else if(fl & FmtByte){ + if(fl & FmtUnsigned) + u = (uchar)va_arg(f->args, int); + else + u = (char)va_arg(f->args, int); + }else if(fl & FmtShort){ + if(fl & FmtUnsigned) + u = (ushort)va_arg(f->args, int); + else + u = (short)va_arg(f->args, int); + }else{ + if(fl & FmtUnsigned) + u = va_arg(f->args, uint); + else + u = va_arg(f->args, int); + } + conv = "0123456789abcdef"; + switch(f->r){ + case 'd': + case 'i': + base = 10; + break; + case 'u': + base = 10; + break; + case 'x': + base = 16; + break; + case 'X': + base = 16; + conv = "0123456789ABCDEF"; + break; + case 'b': + base = 2; + break; + case 'o': + base = 8; + break; + default: + return -1; + } + if(!(fl & FmtUnsigned)){ + if(isv && (vlong)vu < 0){ + vu = -(vlong)vu; + neg = 1; + }else if(!isv && (long)u < 0){ + u = -(long)u; + neg = 1; + } + }else{ + fl &= ~(FmtSign|FmtSpace); /* no + for unsigned conversions */ + } + p = buf + sizeof buf - 1; + n = 0; + if(isv){ + while(vu){ + i = vu % base; + vu /= base; + if((fl & FmtComma) && n % 4 == 3){ + *p-- = ','; + n++; + } + *p-- = conv[i]; + n++; + } + }else{ + while(u){ + i = u % base; + u /= base; + if((fl & FmtComma) && n % 4 == 3){ + *p-- = ','; + n++; + } + *p-- = conv[i]; + n++; + } + } + if(n == 0){ + if(!(fl & FmtPrec) || f->prec != 0){ + *p-- = '0'; + n = 1; + } + fl &= ~FmtSharp; + } + for(w = f->prec; n < w && p > buf+3; n++) + *p-- = '0'; + if(neg || (fl & (FmtSign|FmtSpace))) + n++; + if(fl & FmtSharp){ + if(base == 16) + n += 2; + else if(base == 8){ + if(p[1] == '0') + fl &= ~FmtSharp; + else + n++; + } + } + if((fl & FmtZero) && !(fl & (FmtLeft|FmtPrec))){ + for(w = f->width; n < w && p > buf+3; n++) + *p-- = '0'; + f->width = 0; + } + if(fl & FmtSharp){ + if(base == 16) + *p-- = f->r; + if(base == 16 || base == 8) + *p-- = '0'; + } + if(neg) + *p-- = '-'; + else if(fl & FmtSign) + *p-- = '+'; + else if(fl & FmtSpace) + *p-- = ' '; + f->flags &= ~FmtPrec; + return __fmtcpy(f, p + 1, n, n); +} + +int +__countfmt(Fmt *f) +{ + void *p; + ulong fl; + + fl = f->flags; + p = va_arg(f->args, void*); + if(fl & FmtVLong){ + *(vlong*)p = f->nfmt; + }else if(fl & FmtLong){ + *(long*)p = f->nfmt; + }else if(fl & FmtByte){ + *(char*)p = f->nfmt; + }else if(fl & FmtShort){ + *(short*)p = f->nfmt; + }else{ + *(int*)p = f->nfmt; + } + return 0; +} + +int +__flagfmt(Fmt *f) +{ + switch(f->r){ + case ',': + f->flags |= FmtComma; + break; + case '-': + f->flags |= FmtLeft; + break; + case '+': + f->flags |= FmtSign; + break; + case '#': + f->flags |= FmtSharp; + break; + case ' ': + f->flags |= FmtSpace; + break; + case 'u': + f->flags |= FmtUnsigned; + break; + case 'h': + if(f->flags & FmtShort) + f->flags |= FmtByte; + f->flags |= FmtShort; + break; + case 'L': + f->flags |= FmtLDouble; + break; + case 'l': + if(f->flags & FmtLong) + f->flags |= FmtVLong; + f->flags |= FmtLong; + break; + } + return 1; +} + +/* default error format */ +int +__badfmt(Fmt *f) +{ + char x[3]; + + x[0] = '%'; + x[1] = f->r; + x[2] = '%'; + f->prec = 3; + __fmtcpy(f, (const void*)x, 3, 3); + return 0; +} diff --git a/sys/src/ape/lib/fmt/dorfmt.c b/sys/src/ape/lib/fmt/dorfmt.c new file mode 100755 index 000000000..cdaee8a5f --- /dev/null +++ b/sys/src/ape/lib/fmt/dorfmt.c @@ -0,0 +1,61 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +/* format the output into f->to and return the number of characters fmted */ + +int +dorfmt(Fmt *f, const Rune *fmt) +{ + Rune *rt, *rs; + int r; + char *t, *s; + int nfmt; + + nfmt = f->nfmt; + for(;;){ + if(f->runes){ + rt = f->to; + rs = f->stop; + while((r = *fmt++) && r != '%'){ + FMTRCHAR(f, rt, rs, r); + } + f->nfmt += rt - (Rune *)f->to; + f->to = rt; + if(!r) + return f->nfmt - nfmt; + f->stop = rs; + }else{ + t = f->to; + s = f->stop; + while((r = *fmt++) && r != '%'){ + FMTRUNE(f, t, f->stop, r); + } + f->nfmt += t - (char *)f->to; + f->to = t; + if(!r) + return f->nfmt - nfmt; + f->stop = s; + } + + fmt = __fmtdispatch(f, fmt, 1); + if(fmt == nil) + return -1; + } + return 0; /* not reached */ +} diff --git a/sys/src/ape/lib/fmt/errfmt.c b/sys/src/ape/lib/fmt/errfmt.c new file mode 100755 index 000000000..218470542 --- /dev/null +++ b/sys/src/ape/lib/fmt/errfmt.c @@ -0,0 +1,28 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <errno.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +int +__errfmt(Fmt *f) +{ + char *s; + + s = strerror(errno); + return fmtstrcpy(f, s); +} diff --git a/sys/src/ape/lib/fmt/fltfmt.c b/sys/src/ape/lib/fmt/fltfmt.c new file mode 100755 index 000000000..234f03d9c --- /dev/null +++ b/sys/src/ape/lib/fmt/fltfmt.c @@ -0,0 +1,610 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdio.h> +#include <math.h> +#include <float.h> +#include <string.h> +#include <stdlib.h> +#include <errno.h> +#include <stdarg.h> +#include "fmt.h" +#include "fmtdef.h" +#include "nan.h" + +enum +{ + FDEFLT = 6, + NSIGNIF = 17 +}; + +/* + * first few powers of 10, enough for about 1/2 of the + * total space for doubles. + */ +static double pows10[] = +{ + 1e0, 1e1, 1e2, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, + 1e10, 1e11, 1e12, 1e13, 1e14, 1e15, 1e16, 1e17, 1e18, 1e19, + 1e20, 1e21, 1e22, 1e23, 1e24, 1e25, 1e26, 1e27, 1e28, 1e29, + 1e30, 1e31, 1e32, 1e33, 1e34, 1e35, 1e36, 1e37, 1e38, 1e39, + 1e40, 1e41, 1e42, 1e43, 1e44, 1e45, 1e46, 1e47, 1e48, 1e49, + 1e50, 1e51, 1e52, 1e53, 1e54, 1e55, 1e56, 1e57, 1e58, 1e59, + 1e60, 1e61, 1e62, 1e63, 1e64, 1e65, 1e66, 1e67, 1e68, 1e69, + 1e70, 1e71, 1e72, 1e73, 1e74, 1e75, 1e76, 1e77, 1e78, 1e79, + 1e80, 1e81, 1e82, 1e83, 1e84, 1e85, 1e86, 1e87, 1e88, 1e89, + 1e90, 1e91, 1e92, 1e93, 1e94, 1e95, 1e96, 1e97, 1e98, 1e99, + 1e100, 1e101, 1e102, 1e103, 1e104, 1e105, 1e106, 1e107, 1e108, 1e109, + 1e110, 1e111, 1e112, 1e113, 1e114, 1e115, 1e116, 1e117, 1e118, 1e119, + 1e120, 1e121, 1e122, 1e123, 1e124, 1e125, 1e126, 1e127, 1e128, 1e129, + 1e130, 1e131, 1e132, 1e133, 1e134, 1e135, 1e136, 1e137, 1e138, 1e139, + 1e140, 1e141, 1e142, 1e143, 1e144, 1e145, 1e146, 1e147, 1e148, 1e149, + 1e150, 1e151, 1e152, 1e153, 1e154, 1e155, 1e156, 1e157, 1e158, 1e159, +}; + +static double +pow10(int n) +{ + double d; + int neg; + + neg = 0; + if(n < 0){ + if(n < DBL_MIN_10_EXP){ + return 0.; + } + neg = 1; + n = -n; + }else if(n > DBL_MAX_10_EXP){ + return HUGE_VAL; + } + if(n < (int)(sizeof(pows10)/sizeof(pows10[0]))) + d = pows10[n]; + else{ + d = pows10[sizeof(pows10)/sizeof(pows10[0]) - 1]; + for(;;){ + n -= sizeof(pows10)/sizeof(pows10[0]) - 1; + if(n < (int)(sizeof(pows10)/sizeof(pows10[0]))){ + d *= pows10[n]; + break; + } + d *= pows10[sizeof(pows10)/sizeof(pows10[0]) - 1]; + } + } + if(neg){ + return 1./d; + } + return d; +} + +static int +xadd(char *a, int n, int v) +{ + char *b; + int c; + + if(n < 0 || n >= NSIGNIF) + return 0; + for(b = a+n; b >= a; b--) { + c = *b + v; + if(c <= '9') { + *b = c; + return 0; + } + *b = '0'; + v = 1; + } + *a = '1'; /* overflow adding */ + return 1; +} + +static int +xsub(char *a, int n, int v) +{ + char *b; + int c; + + for(b = a+n; b >= a; b--) { + c = *b - v; + if(c >= '0') { + *b = c; + return 0; + } + *b = '9'; + v = 1; + } + *a = '9'; /* underflow subtracting */ + return 1; +} + +static void +xaddexp(char *p, int e) +{ + char se[9]; + int i; + + *p++ = 'e'; + if(e < 0) { + *p++ = '-'; + e = -e; + } + i = 0; + while(e) { + se[i++] = e % 10 + '0'; + e /= 10; + } + if(i == 0) { + *p++ = '0'; + } else { + while(i > 0) + *p++ = se[--i]; + } + *p++ = '\0'; +} + +static char* +xdodtoa(char *s1, double f, int chr, int prec, int *decpt, int *rsign) +{ + char s2[NSIGNIF+10]; + double g, h; + int e, d, i; + int c2, sign, oerr; + + if(chr == 'F') + chr = 'f'; + if(prec > NSIGNIF) + prec = NSIGNIF; + if(prec < 0) + prec = 0; + if(__isNaN(f)) { + *decpt = 9999; + *rsign = 0; + strcpy(s1, "nan"); + return &s1[3]; + } + sign = 0; + if(f < 0) { + f = -f; + sign++; + } + *rsign = sign; + if(__isInf(f, 1) || __isInf(f, -1)) { + *decpt = 9999; + strcpy(s1, "inf"); + return &s1[3]; + } + + e = 0; + g = f; + if(g != 0) { + frexp(f, &e); + e = (int)(e * .301029995664); + if(e >= -150 && e <= +150) { + d = 0; + h = f; + } else { + d = e/2; + h = f * pow10(-d); + } + g = h * pow10(d-e); + while(g < 1) { + e--; + g = h * pow10(d-e); + } + while(g >= 10) { + e++; + g = h * pow10(d-e); + } + } + + /* + * convert NSIGNIF digits and convert + * back to get accuracy. + */ + for(i=0; i<NSIGNIF; i++) { + d = (int)g; + s1[i] = d + '0'; + g = (g - d) * 10; + } + s1[i] = 0; + + /* + * try decimal rounding to eliminate 9s + */ + c2 = prec + 1; + if(chr == 'f') + c2 += e; + oerr = errno; + if(c2 >= NSIGNIF-2) { + strcpy(s2, s1); + d = e; + s1[NSIGNIF-2] = '0'; + s1[NSIGNIF-1] = '0'; + xaddexp(s1+NSIGNIF, e-NSIGNIF+1); + g = fmtstrtod(s1, nil); + if(g == f) + goto found; + if(xadd(s1, NSIGNIF-3, 1)) { + e++; + xaddexp(s1+NSIGNIF, e-NSIGNIF+1); + } + g = fmtstrtod(s1, nil); + if(g == f) + goto found; + strcpy(s1, s2); + e = d; + } + + /* + * convert back so s1 gets exact answer + */ + for(d = 0; d < 10; d++) { + xaddexp(s1+NSIGNIF, e-NSIGNIF+1); + g = fmtstrtod(s1, nil); + if(f > g) { + if(xadd(s1, NSIGNIF-1, 1)) + e--; + continue; + } + if(f < g) { + if(xsub(s1, NSIGNIF-1, 1)) + e++; + continue; + } + break; + } + +found: + errno = oerr; + + /* + * sign + */ + d = 0; + i = 0; + + /* + * round & adjust 'f' digits + */ + c2 = prec + 1; + if(chr == 'f'){ + if(xadd(s1, c2+e, 5)) + e++; + c2 += e; + if(c2 < 0){ + c2 = 0; + e = -prec - 1; + } + }else{ + if(xadd(s1, c2, 5)) + e++; + } + if(c2 > NSIGNIF){ + c2 = NSIGNIF; + } + + *decpt = e + 1; + + /* + * terminate the converted digits + */ + s1[c2] = '\0'; + return &s1[c2]; +} + +/* + * this function works like the standard dtoa, if you want it. + */ +#if 0 +static char* +__dtoa(double f, int mode, int ndigits, int *decpt, int *rsign, char **rve) +{ + static char s2[NSIGNIF + 10]; + char *es; + int chr, prec; + + switch(mode) { + /* like 'e' */ + case 2: + case 4: + case 6: + case 8: + chr = 'e'; + break; + /* like 'g' */ + case 0: + case 1: + default: + chr = 'g'; + break; + /* like 'f' */ + case 3: + case 5: + case 7: + case 9: + chr = 'f'; + break; + } + + if(chr != 'f' && ndigits){ + ndigits--; + } + prec = ndigits; + if(prec > NSIGNIF) + prec = NSIGNIF; + if(ndigits == 0) + prec = NSIGNIF; + es = xdodtoa(s2, f, chr, prec, decpt, rsign); + + /* + * strip trailing 0 + */ + for(; es > s2 + 1; es--){ + if(es[-1] != '0'){ + break; + } + } + *es = '\0'; + if(rve != NULL) + *rve = es; + return s2; +} +#endif + +static int +fmtzdotpad(Fmt *f, int n, int pt) +{ + char *t, *s; + int i; + Rune *rt, *rs; + + if(f->runes){ + rt = (Rune*)f->to; + rs = (Rune*)f->stop; + for(i = 0; i < n; i++){ + if(i == pt){ + FMTRCHAR(f, rt, rs, '.'); + } + FMTRCHAR(f, rt, rs, '0'); + } + f->nfmt += rt - (Rune*)f->to; + f->to = rt; + }else{ + t = (char*)f->to; + s = (char*)f->stop; + for(i = 0; i < n; i++){ + if(i == pt){ + FMTCHAR(f, t, s, '.'); + } + FMTCHAR(f, t, s, '0'); + } + f->nfmt += t - (char *)f->to; + f->to = t; + } + return 0; +} + +int +__efgfmt(Fmt *fmt) +{ + double f; + char s1[NSIGNIF+10]; + int e, d, n; + int c1, c2, c3, c4, ucase, sign, chr, prec, fl; + + f = va_arg(fmt->args, double); + prec = FDEFLT; + fl = fmt->flags; + fmt->flags = 0; + if(fl & FmtPrec) + prec = fmt->prec; + chr = fmt->r; + ucase = 0; + if(chr == 'E'){ + chr = 'e'; + ucase = 1; + }else if(chr == 'F'){ + chr = 'f'; + ucase = 1; + }else if(chr == 'G'){ + chr = 'g'; + ucase = 1; + } + if(prec > 0 && chr == 'g') + prec--; + if(prec < 0) + prec = 0; + + xdodtoa(s1, f, chr, prec, &e, &sign); + e--; + if(*s1 == 'i' || *s1 == 'n'){ + if(ucase){ + if(*s1 == 'i'){ + strcpy(s1, "INF"); + }else{ + strcpy(s1, "NAN"); + } + } + fmt->flags = fl & (FmtWidth|FmtLeft); + return __fmtcpy(fmt, (const void*)s1, 3, 3); + } + + /* + * copy into final place + * c1 digits of leading '0' + * c2 digits from conversion + * c3 digits of trailing '0' + * c4 digits after '.' + */ + c1 = 0; + c2 = prec + 1; + c3 = 0; + c4 = prec; + switch(chr) { + default: + chr = 'e'; + break; + case 'g': + /* + * decide on 'e' of 'f' style convers + */ + if(e >= -4 && e <= prec) { + c1 = -e; + c4 = prec - e; + chr = 'h'; /* flag for 'f' style */ + } + break; + case 'f': + c1 = -e; + if(c1 > prec) + c1 = prec + 1; + c2 += e; + break; + } + + /* + * clean up c1 c2 and c3 + */ + if(c1 < 0) + c1 = 0; + if(c2 < 0) + c2 = 0; + if(c2 > NSIGNIF) { + c3 = c2-NSIGNIF; + c2 = NSIGNIF; + } + + /* + * trim trailing zeros for %g + */ + if(!(fl & FmtSharp) + && (chr == 'g' || chr == 'h')){ + if(c4 >= c3){ + c4 -= c3; + c3 = 0; + }else{ + c3 -= c4; + c4 = 0; + } + while(c4 && c2 > 1 && s1[c2 - 1] == '0'){ + c4--; + c2--; + } + } + + /* + * calculate the total length + */ + n = c1 + c2 + c3; + if(sign || (fl & (FmtSign|FmtSpace))) + n++; + if(c4 || (fl & FmtSharp)){ + n++; + } + if(chr == 'e' || chr == 'g'){ + n += 4; + if(e >= 100) + n++; + } + + /* + * pad to width if right justified + */ + if((fl & (FmtWidth|FmtLeft)) == FmtWidth && n < fmt->width){ + if(fl & FmtZero){ + c1 += fmt->width - n; + }else{ + if(__fmtpad(fmt, fmt->width - n) < 0){ + return -1; + } + } + } + + /* + * sign + */ + d = 0; + if(sign) + d = '-'; + else if(fl & FmtSign) + d = '+'; + else if(fl & FmtSpace) + d = ' '; + if(d && fmtrune(fmt, d) < 0){ + return -1; + } + + /* + * copy digits + */ + c4 = c1 + c2 + c3 - c4; + if(c1 > 0){ + if(fmtzdotpad(fmt, c1, c4) < 0){ + return -1; + } + c4 -= c1; + } + d = 0; + if(c4 >= 0 && c4 < c2){ + if(__fmtcpy(fmt, s1, c4, c4) < 0 || fmtrune(fmt, '.') < 0) + return -1; + d = c4; + c2 -= c4; + c4 = -1; + } + if(__fmtcpy(fmt, (const void*)(s1 + d), c2, c2) < 0){ + return -1; + } + c4 -= c2; + if(c3 > 0){ + if(fmtzdotpad(fmt, c3, c4) < 0){ + return -1; + } + c4 -= c3; + } + + /* + * strip trailing '0' on g conv + */ + if((fl & FmtSharp) && c4 == 0 && fmtrune(fmt, '.') < 0){ + return -1; + } + if(chr == 'e' || chr == 'g') { + d = 0; + if(ucase) + s1[d++] = 'E'; + else + s1[d++] = 'e'; + c1 = e; + if(c1 < 0) { + s1[d++] = '-'; + c1 = -c1; + } else + s1[d++] = '+'; + if(c1 >= 100) { + s1[d++] = c1/100 + '0'; + c1 = c1%100; + } + s1[d++] = c1/10 + '0'; + s1[d++] = c1%10 + '0'; + if(__fmtcpy(fmt, s1, d, d) < 0){ + return -1; + } + } + if((fl & (FmtWidth|FmtLeft)) == (FmtWidth|FmtLeft) && n < fmt->width){ + if(__fmtpad(fmt, fmt->width - n) < 0){ + return -1; + } + } + return 0; +} diff --git a/sys/src/ape/lib/fmt/fmt.c b/sys/src/ape/lib/fmt/fmt.c new file mode 100755 index 000000000..976bf7ca2 --- /dev/null +++ b/sys/src/ape/lib/fmt/fmt.c @@ -0,0 +1,221 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +enum +{ + Maxfmt = 64 +}; + +typedef struct Convfmt Convfmt; +struct Convfmt +{ + int c; + volatile Fmts fmt; /* for spin lock in fmtfmt; avoids race due to write order */ +}; + +struct +{ + /* lock by calling __fmtlock, __fmtunlock */ + int nfmt; + Convfmt fmt[Maxfmt]; +} fmtalloc; + +static Convfmt knownfmt[] = { + ' ', __flagfmt, + '#', __flagfmt, + '%', __percentfmt, + '+', __flagfmt, + ',', __flagfmt, + '-', __flagfmt, + 'C', __runefmt, /* Plan 9 addition */ + 'E', __efgfmt, + 'F', __efgfmt, /* ANSI only */ + 'G', __efgfmt, + 'L', __flagfmt, /* ANSI only */ + 'S', __runesfmt, /* Plan 9 addition */ + 'X', __ifmt, + 'b', __ifmt, /* Plan 9 addition */ + 'c', __charfmt, + 'd', __ifmt, + 'e', __efgfmt, + 'f', __efgfmt, + 'g', __efgfmt, + 'h', __flagfmt, + 'i', __ifmt, /* ANSI only */ + 'l', __flagfmt, + 'n', __countfmt, + 'o', __ifmt, + 'p', __ifmt, + 'r', __errfmt, + 's', __strfmt, + 'u', __flagfmt, /* in Unix, __ifmt */ + 'x', __ifmt, + 0, nil, +}; + + +int (*fmtdoquote)(int); + +/* + * __fmtlock() must be set + */ +static int +__fmtinstall(int c, Fmts f) +{ + Convfmt *p, *ep; + + if(c<=0 || c>=65536) + return -1; + if(!f) + f = __badfmt; + + ep = &fmtalloc.fmt[fmtalloc.nfmt]; + for(p=fmtalloc.fmt; p<ep; p++) + if(p->c == c) + break; + + if(p == &fmtalloc.fmt[Maxfmt]) + return -1; + + p->fmt = f; + if(p == ep){ /* installing a new format character */ + fmtalloc.nfmt++; + p->c = c; + } + + return 0; +} + +int +fmtinstall(int c, Fmts f) +{ + int ret; + + __fmtlock(); + ret = __fmtinstall(c, f); + __fmtunlock(); + return ret; +} + +static Fmts +fmtfmt(int c) +{ + Convfmt *p, *ep; + + ep = &fmtalloc.fmt[fmtalloc.nfmt]; + for(p=fmtalloc.fmt; p<ep; p++) + if(p->c == c){ + while(p->fmt == nil) /* loop until value is updated */ + ; + return p->fmt; + } + + /* is this a predefined format char? */ + __fmtlock(); + for(p=knownfmt; p->c; p++) + if(p->c == c){ + __fmtinstall(p->c, p->fmt); + __fmtunlock(); + return p->fmt; + } + __fmtunlock(); + + return __badfmt; +} + +void* +__fmtdispatch(Fmt *f, void *fmt, int isrunes) +{ + Rune rune, r; + int i, n; + + f->flags = 0; + f->width = f->prec = 0; + + for(;;){ + if(isrunes){ + r = *(Rune*)fmt; + fmt = (Rune*)fmt + 1; + }else{ + fmt = (char*)fmt + chartorune(&rune, (char*)fmt); + r = rune; + } + f->r = r; + switch(r){ + case '\0': + return nil; + case '.': + f->flags |= FmtWidth|FmtPrec; + continue; + case '0': + if(!(f->flags & FmtWidth)){ + f->flags |= FmtZero; + continue; + } + /* fall through */ + case '1': case '2': case '3': case '4': + case '5': case '6': case '7': case '8': case '9': + i = 0; + while(r >= '0' && r <= '9'){ + i = i * 10 + r - '0'; + if(isrunes){ + r = *(Rune*)fmt; + fmt = (Rune*)fmt + 1; + }else{ + r = *(char*)fmt; + fmt = (char*)fmt + 1; + } + } + if(isrunes) + fmt = (Rune*)fmt - 1; + else + fmt = (char*)fmt - 1; + numflag: + if(f->flags & FmtWidth){ + f->flags |= FmtPrec; + f->prec = i; + }else{ + f->flags |= FmtWidth; + f->width = i; + } + continue; + case '*': + i = va_arg(f->args, int); + if(i < 0){ + /* + * negative precision => + * ignore the precision. + */ + if(f->flags & FmtPrec){ + f->flags &= ~FmtPrec; + f->prec = 0; + continue; + } + i = -i; + f->flags |= FmtLeft; + } + goto numflag; + } + n = (*fmtfmt(r))(f); + if(n < 0) + return nil; + if(n == 0) + return fmt; + } +} diff --git a/sys/src/ape/lib/fmt/fmtdef.h b/sys/src/ape/lib/fmt/fmtdef.h new file mode 100755 index 000000000..797c724d2 --- /dev/null +++ b/sys/src/ape/lib/fmt/fmtdef.h @@ -0,0 +1,121 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +/* + * dofmt -- format to a buffer + * the number of characters formatted is returned, + * or -1 if there was an error. + * if the buffer is ever filled, flush is called. + * it should reset the buffer and return whether formatting should continue. + */ +#define uchar _fmtuchar +#define ushort _fmtushort +#define uint _fmtuint +#define ulong _fmtulong +#define vlong _fmtvlong +#define uvlong _fmtuvlong + +#define USED(x) if(x);else + +typedef unsigned char uchar; +typedef unsigned short ushort; +typedef unsigned int uint; +typedef unsigned long ulong; + +#ifndef NOVLONGS +typedef unsigned long long uvlong; +typedef long long vlong; +#endif + +/* #define nil 0 /* cannot be ((void*)0) because used for function pointers */ + +typedef int (*Fmts)(Fmt*); + +typedef struct Quoteinfo Quoteinfo; +struct Quoteinfo +{ + int quoted; /* if set, string must be quoted */ + int nrunesin; /* number of input runes that can be accepted */ + int nbytesin; /* number of input bytes that can be accepted */ + int nrunesout; /* number of runes that will be generated */ + int nbytesout; /* number of bytes that will be generated */ +}; + +void *__fmtflush(Fmt*, void*, int); +void *__fmtdispatch(Fmt*, void*, int); +int __floatfmt(Fmt*, double); +int __fmtpad(Fmt*, int); +int __rfmtpad(Fmt*, int); +int __fmtFdFlush(Fmt*); + +int __efgfmt(Fmt*); +int __charfmt(Fmt*); +int __runefmt(Fmt*); +int __runesfmt(Fmt*); +int __countfmt(Fmt*); +int __flagfmt(Fmt*); +int __percentfmt(Fmt*); +int __ifmt(Fmt*); +int __strfmt(Fmt*); +int __badfmt(Fmt*); +int __fmtcpy(Fmt*, const void*, int, int); +int __fmtrcpy(Fmt*, const void*, int n); +int __errfmt(Fmt *f); + +double __fmtpow10(int); + +void __fmtlock(void); +void __fmtunlock(void); + +#define FMTCHAR(f, t, s, c)\ + do{\ + if(t + 1 > (char*)s){\ + t = __fmtflush(f, t, 1);\ + if(t != nil)\ + s = f->stop;\ + else\ + return -1;\ + }\ + *t++ = c;\ + }while(0) + +#define FMTRCHAR(f, t, s, c)\ + do{\ + if(t + 1 > (Rune*)s){\ + t = __fmtflush(f, t, sizeof(Rune));\ + if(t != nil)\ + s = f->stop;\ + else\ + return -1;\ + }\ + *t++ = c;\ + }while(0) + +#define FMTRUNE(f, t, s, r)\ + do{\ + Rune _rune;\ + int _runelen;\ + if(t + UTFmax > (char*)s && t + (_runelen = runelen(r)) > (char*)s){\ + t = __fmtflush(f, t, _runelen);\ + if(t != nil)\ + s = f->stop;\ + else\ + return -1;\ + }\ + if(r < Runeself)\ + *t++ = r;\ + else{\ + _rune = r;\ + t += runetochar(t, &_rune);\ + }\ + }while(0) diff --git a/sys/src/ape/lib/fmt/fmtfd.c b/sys/src/ape/lib/fmt/fmtfd.c new file mode 100755 index 000000000..d4251402a --- /dev/null +++ b/sys/src/ape/lib/fmt/fmtfd.c @@ -0,0 +1,46 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +/* + * public routine for final flush of a formatting buffer + * to a file descriptor; returns total char count. + */ +int +fmtfdflush(Fmt *f) +{ + if(__fmtFdFlush(f) <= 0) + return -1; + return f->nfmt; +} + +/* + * initialize an output buffer for buffered printing + */ +int +fmtfdinit(Fmt *f, int fd, char *buf, int size) +{ + f->runes = 0; + f->start = buf; + f->to = buf; + f->stop = buf + size; + f->flush = __fmtFdFlush; + f->farg = (void*)fd; + f->nfmt = 0; + return 0; +} diff --git a/sys/src/ape/lib/fmt/fmtfdflush.c b/sys/src/ape/lib/fmt/fmtfdflush.c new file mode 100755 index 000000000..796feab23 --- /dev/null +++ b/sys/src/ape/lib/fmt/fmtfdflush.c @@ -0,0 +1,33 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <unistd.h> +#include "fmt.h" +#include "fmtdef.h" + +/* + * generic routine for flushing a formatting buffer + * to a file descriptor + */ +int +__fmtFdFlush(Fmt *f) +{ + int n; + + n = (char*)f->to - (char*)f->start; + if(n && write((int)f->farg, f->start, n) != n) + return 0; + f->to = f->start; + return 1; +} diff --git a/sys/src/ape/lib/fmt/fmtlock.c b/sys/src/ape/lib/fmt/fmtlock.c new file mode 100755 index 000000000..fffe81cfc --- /dev/null +++ b/sys/src/ape/lib/fmt/fmtlock.c @@ -0,0 +1,28 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include "fmt.h" +#include "fmtdef.h" + +void +__fmtlock(void) +{ + ; +} + +void +__fmtunlock(void) +{ + ; +} diff --git a/sys/src/ape/lib/fmt/fmtprint.c b/sys/src/ape/lib/fmt/fmtprint.c new file mode 100755 index 000000000..fe2ad3cc8 --- /dev/null +++ b/sys/src/ape/lib/fmt/fmtprint.c @@ -0,0 +1,47 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + + +/* + * format a string into the output buffer + * designed for formats which themselves call fmt, + * but ignore any width flags + */ +int +fmtprint(Fmt *f, char *fmt, ...) +{ + va_list va; + int n; + + f->flags = 0; + f->width = 0; + f->prec = 0; + va = f->args; + va_start(f->args, fmt); + n = dofmt(f, fmt); + va_end(f->args); + f->flags = 0; + f->width = 0; + f->prec = 0; + f->args = va; + if(n >= 0) + return 0; + return n; +} + diff --git a/sys/src/ape/lib/fmt/fmtquote.c b/sys/src/ape/lib/fmt/fmtquote.c new file mode 100755 index 000000000..9d5633d6c --- /dev/null +++ b/sys/src/ape/lib/fmt/fmtquote.c @@ -0,0 +1,262 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +/* + * How many bytes of output UTF will be produced by quoting (if necessary) this string? + * How many runes? How much of the input will be consumed? + * The parameter q is filled in by __quotesetup. + * The string may be UTF or Runes (s or r). + * Return count does not include NUL. + * Terminate the scan at the first of: + * NUL in input + * count exceeded in input + * count exceeded on output + * *ninp is set to number of input bytes accepted. + * nin may be <0 initially, to avoid checking input by count. + */ +void +__quotesetup(char *s, Rune *r, int nin, int nout, Quoteinfo *q, int sharp, int runesout) +{ + int w; + Rune c; + + q->quoted = 0; + q->nbytesout = 0; + q->nrunesout = 0; + q->nbytesin = 0; + q->nrunesin = 0; + if(sharp || nin==0 || (s && *s=='\0') || (r && *r=='\0')){ + if(nout < 2) + return; + q->quoted = 1; + q->nbytesout = 2; + q->nrunesout = 2; + } + for(; nin!=0; nin-=w){ + if(s) + w = chartorune(&c, s); + else{ + c = *r; + w = runelen(c); + } + + if(c == '\0') + break; + if(runesout){ + if(q->nrunesout+1 > nout) + break; + }else{ + if(q->nbytesout+w > nout) + break; + } + + if((c <= L' ') || (c == L'\'') || (fmtdoquote!=nil && fmtdoquote(c))){ + if(!q->quoted){ + if(runesout){ + if(1+q->nrunesout+1+1 > nout) /* no room for quotes */ + break; + }else{ + if(1+q->nbytesout+w+1 > nout) /* no room for quotes */ + break; + } + q->nrunesout += 2; /* include quotes */ + q->nbytesout += 2; /* include quotes */ + q->quoted = 1; + } + if(c == '\'') { + if(runesout){ + if(1+q->nrunesout+1 > nout) /* no room for quotes */ + break; + }else{ + if(1+q->nbytesout+w > nout) /* no room for quotes */ + break; + } + q->nbytesout++; + q->nrunesout++; /* quotes reproduce as two characters */ + } + } + + /* advance input */ + if(s) + s += w; + else + r++; + q->nbytesin += w; + q->nrunesin++; + + /* advance output */ + q->nbytesout += w; + q->nrunesout++; + } +} + +static int +qstrfmt(char *sin, Rune *rin, Quoteinfo *q, Fmt *f) +{ + Rune r, *rm, *rme; + char *t, *s, *m, *me; + Rune *rt, *rs; + ulong fl; + int nc, w; + + m = sin; + me = m + q->nbytesin; + rm = rin; + rme = rm + q->nrunesin; + + w = f->width; + fl = f->flags; + if(f->runes){ + if(!(fl & FmtLeft) && __rfmtpad(f, w - q->nrunesout) < 0) + return -1; + }else{ + if(!(fl & FmtLeft) && __fmtpad(f, w - q->nbytesout) < 0) + return -1; + } + t = (char*)f->to; + s = (char*)f->stop; + rt = (Rune*)f->to; + rs = (Rune*)f->stop; + if(f->runes) + FMTRCHAR(f, rt, rs, '\''); + else + FMTRUNE(f, t, s, '\''); + for(nc = q->nrunesin; nc > 0; nc--){ + if(sin){ + r = *(uchar*)m; + if(r < Runeself) + m++; + else if((me - m) >= UTFmax || fullrune(m, me-m)) + m += chartorune(&r, m); + else + break; + }else{ + if(rm >= rme) + break; + r = *(uchar*)rm++; + } + if(f->runes){ + FMTRCHAR(f, rt, rs, r); + if(r == '\'') + FMTRCHAR(f, rt, rs, r); + }else{ + FMTRUNE(f, t, s, r); + if(r == '\'') + FMTRUNE(f, t, s, r); + } + } + + if(f->runes){ + FMTRCHAR(f, rt, rs, '\''); + USED(rs); + f->nfmt += rt - (Rune *)f->to; + f->to = rt; + if(fl & FmtLeft && __rfmtpad(f, w - q->nrunesout) < 0) + return -1; + }else{ + FMTRUNE(f, t, s, '\''); + USED(s); + f->nfmt += t - (char *)f->to; + f->to = t; + if(fl & FmtLeft && __fmtpad(f, w - q->nbytesout) < 0) + return -1; + } + return 0; +} + +int +__quotestrfmt(int runesin, Fmt *f) +{ + int outlen; + Rune *r; + char *s; + Quoteinfo q; + + f->flags &= ~FmtPrec; /* ignored for %q %Q, so disable for %s %S in easy case */ + if(runesin){ + r = va_arg(f->args, Rune *); + s = nil; + }else{ + s = va_arg(f->args, char *); + r = nil; + } + if(!s && !r) + return __fmtcpy(f, (void*)"<nil>", 5, 5); + + if(f->flush) + outlen = 0x7FFFFFFF; /* if we can flush, no output limit */ + else if(f->runes) + outlen = (Rune*)f->stop - (Rune*)f->to; + else + outlen = (char*)f->stop - (char*)f->to; + + __quotesetup(s, r, -1, outlen, &q, f->flags&FmtSharp, f->runes); +//print("bytes in %d bytes out %d runes in %d runesout %d\n", q.nbytesin, q.nbytesout, q.nrunesin, q.nrunesout); + + if(runesin){ + if(!q.quoted) + return __fmtrcpy(f, r, q.nrunesin); + return qstrfmt(nil, r, &q, f); + } + + if(!q.quoted) + return __fmtcpy(f, s, q.nrunesin, q.nbytesin); + return qstrfmt(s, nil, &q, f); +} + +int +quotestrfmt(Fmt *f) +{ + return __quotestrfmt(0, f); +} + +int +quoterunestrfmt(Fmt *f) +{ + return __quotestrfmt(1, f); +} + +void +quotefmtinstall(void) +{ + fmtinstall('q', quotestrfmt); + fmtinstall('Q', quoterunestrfmt); +} + +int +__needsquotes(char *s, int *quotelenp) +{ + Quoteinfo q; + + __quotesetup(s, nil, -1, 0x7FFFFFFF, &q, 0, 0); + *quotelenp = q.nbytesout; + + return q.quoted; +} + +int +__runeneedsquotes(Rune *r, int *quotelenp) +{ + Quoteinfo q; + + __quotesetup(nil, r, -1, 0x7FFFFFFF, &q, 0, 0); + *quotelenp = q.nrunesout; + + return q.quoted; +} diff --git a/sys/src/ape/lib/fmt/fmtrune.c b/sys/src/ape/lib/fmt/fmtrune.c new file mode 100755 index 000000000..a034546bc --- /dev/null +++ b/sys/src/ape/lib/fmt/fmtrune.c @@ -0,0 +1,40 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +int +fmtrune(Fmt *f, int r) +{ + Rune *rt; + char *t; + int n; + + if(f->runes){ + rt = (Rune*)f->to; + FMTRCHAR(f, rt, f->stop, r); + f->to = rt; + n = 1; + }else{ + t = (char*)f->to; + FMTRUNE(f, t, f->stop, r); + n = t - (char*)f->to; + f->to = t; + } + f->nfmt += n; + return 0; +} diff --git a/sys/src/ape/lib/fmt/fmtstr.c b/sys/src/ape/lib/fmt/fmtstr.c new file mode 100755 index 000000000..7af1fa241 --- /dev/null +++ b/sys/src/ape/lib/fmt/fmtstr.c @@ -0,0 +1,65 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include <stdlib.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +static int +fmtStrFlush(Fmt *f) +{ + char *s; + int n; + + n = (int)f->farg; + n += 256; + f->farg = (void*)n; + s = (char*)f->start; + f->start = realloc(s, n); + if(f->start == nil){ + f->start = s; + return 0; + } + f->to = (char*)f->start + ((char*)f->to - s); + f->stop = (char*)f->start + n - 1; + return 1; +} + +int +fmtstrinit(Fmt *f) +{ + int n; + + f->runes = 0; + n = 32; + f->start = malloc(n); + if(f->start == nil) + return -1; + f->to = f->start; + f->stop = (char*)f->start + n - 1; + f->flush = fmtStrFlush; + f->farg = (void*)n; + f->nfmt = 0; + return 0; +} + +char* +fmtstrflush(Fmt *f) +{ + *(char*)f->to = '\0'; + f->to = f->start; + return (char*)f->start; +} diff --git a/sys/src/ape/lib/fmt/fmtvprint.c b/sys/src/ape/lib/fmt/fmtvprint.c new file mode 100755 index 000000000..6aed013d9 --- /dev/null +++ b/sys/src/ape/lib/fmt/fmtvprint.c @@ -0,0 +1,46 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + + +/* + * format a string into the output buffer + * designed for formats which themselves call fmt, + * but ignore any width flags + */ +int +fmtvprint(Fmt *f, char *fmt, va_list args) +{ + va_list va; + int n; + + f->flags = 0; + f->width = 0; + f->prec = 0; + va = f->args; + f->args = args; + n = dofmt(f, fmt); + f->flags = 0; + f->width = 0; + f->prec = 0; + f->args = va; + if(n >= 0) + return 0; + return n; +} + diff --git a/sys/src/ape/lib/fmt/fprint.c b/sys/src/ape/lib/fmt/fprint.c new file mode 100755 index 000000000..c8b889de6 --- /dev/null +++ b/sys/src/ape/lib/fmt/fprint.c @@ -0,0 +1,28 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include "utf.h" +#include "fmt.h" + +int +fprint(int fd, char *fmt, ...) +{ + int n; + va_list args; + + va_start(args, fmt); + n = vfprint(fd, fmt, args); + va_end(args); + return n; +} diff --git a/sys/src/ape/lib/fmt/mkfile b/sys/src/ape/lib/fmt/mkfile new file mode 100755 index 000000000..5644f2a45 --- /dev/null +++ b/sys/src/ape/lib/fmt/mkfile @@ -0,0 +1,59 @@ +APE=/sys/src/ape +<$APE/config + +LIB=/$objtype/lib/ape/libfmt.a + +NUM=\ + charstod.$O\ + pow10.$O\ + +OFILES=\ + dofmt.$O\ + errfmt.$O\ + fltfmt.$O\ + fmt.$O\ + fmtfd.$O\ + fmtfdflush.$O\ + fmtlock.$O\ + fmtprint.$O\ + fmtquote.$O\ + fmtrune.$O\ + fmtstr.$O\ + fmtvprint.$O\ + fprint.$O\ + nan64.$O\ + print.$O\ + runefmtstr.$O\ + runeseprint.$O\ + runesmprint.$O\ + runesnprint.$O\ + runesprint.$O\ + runevseprint.$O\ + runevsmprint.$O\ + runevsnprint.$O\ + seprint.$O\ + smprint.$O\ + snprint.$O\ + sprint.$O\ + strtod.$O\ + vfprint.$O\ + vseprint.$O\ + vsmprint.$O\ + vsnprint.$O\ + werrstr.$O\ + $NUM\ + +HFILES=\ + fmtdef.h\ + /sys/include/ape/fmt.h\ + +</sys/src/cmd/mksyslib + +$NAN.$O: nan.h +strtod.$O: nan.h + +test: $LIB test.$O + $CC -o test test.$O $LIB -L$PLAN9/lib -lutf + + +CFLAGS=-c -D_POSIX_SOURCE -D_PLAN9_SOURCE -D_BSD_EXTENSION diff --git a/sys/src/ape/lib/fmt/nan.h b/sys/src/ape/lib/fmt/nan.h new file mode 100755 index 000000000..be78e14e5 --- /dev/null +++ b/sys/src/ape/lib/fmt/nan.h @@ -0,0 +1,4 @@ +extern double __NaN(void); +extern double __Inf(int); +extern int __isNaN(double); +extern int __isInf(double, int); diff --git a/sys/src/ape/lib/fmt/nan64.c b/sys/src/ape/lib/fmt/nan64.c new file mode 100755 index 000000000..a02a3adb6 --- /dev/null +++ b/sys/src/ape/lib/fmt/nan64.c @@ -0,0 +1,76 @@ +/* + * 64-bit IEEE not-a-number routines. + * This is big/little-endian portable assuming that + * the 64-bit doubles and 64-bit integers have the + * same byte ordering. + */ + +#include "nan.h" + +#ifdef __APPLE__ +#define _NEEDLL +#endif + +typedef unsigned long long uvlong; +typedef unsigned long ulong; + +#ifdef _NEEDLL +static uvlong uvnan = 0x7FF0000000000001LL; +static uvlong uvinf = 0x7FF0000000000000LL; +static uvlong uvneginf = 0xFFF0000000000000LL; +#else +static uvlong uvnan = 0x7FF0000000000001; +static uvlong uvinf = 0x7FF0000000000000; +static uvlong uvneginf = 0xFFF0000000000000; +#endif + +double +__NaN(void) +{ + uvlong *p; + + /* gcc complains about "return *(double*)&uvnan;" */ + p = &uvnan; + return *(double*)p; +} + +int +__isNaN(double d) +{ + uvlong x; + double *p; + + p = &d; + x = *(uvlong*)p; + return (ulong)(x>>32)==0x7FF00000 && !__isInf(d, 0); +} + +double +__Inf(int sign) +{ + uvlong *p; + + if(sign < 0) + p = &uvinf; + else + p = &uvneginf; + return *(double*)p; +} + +int +__isInf(double d, int sign) +{ + uvlong x; + double *p; + + p = &d; + x = *(uvlong*)p; + if(sign == 0) + return x==uvinf || x==uvneginf; + else if(sign > 0) + return x==uvinf; + else + return x==uvneginf; +} + + diff --git a/sys/src/ape/lib/fmt/pow10.c b/sys/src/ape/lib/fmt/pow10.c new file mode 100755 index 000000000..65a426c30 --- /dev/null +++ b/sys/src/ape/lib/fmt/pow10.c @@ -0,0 +1,57 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +/* + * this table might overflow 127-bit exponent representations. + * in that case, truncate it after 1.0e38. + * it is important to get all one can from this + * routine since it is used in atof to scale numbers. + * the presumption is that C converts fp numbers better + * than multipication of lower powers of 10. + */ + +static +double tab[] = +{ + 1.0e0, 1.0e1, 1.0e2, 1.0e3, 1.0e4, 1.0e5, 1.0e6, 1.0e7, 1.0e8, 1.0e9, + 1.0e10,1.0e11,1.0e12,1.0e13,1.0e14,1.0e15,1.0e16,1.0e17,1.0e18,1.0e19, + 1.0e20,1.0e21,1.0e22,1.0e23,1.0e24,1.0e25,1.0e26,1.0e27,1.0e28,1.0e29, + 1.0e30,1.0e31,1.0e32,1.0e33,1.0e34,1.0e35,1.0e36,1.0e37,1.0e38,1.0e39, + 1.0e40,1.0e41,1.0e42,1.0e43,1.0e44,1.0e45,1.0e46,1.0e47,1.0e48,1.0e49, + 1.0e50,1.0e51,1.0e52,1.0e53,1.0e54,1.0e55,1.0e56,1.0e57,1.0e58,1.0e59, + 1.0e60,1.0e61,1.0e62,1.0e63,1.0e64,1.0e65,1.0e66,1.0e67,1.0e68,1.0e69, +}; + +double +__fmtpow10(int n) +{ + int m; + + if(n < 0) { + n = -n; + if(n < (int)(sizeof(tab)/sizeof(tab[0]))) + return 1/tab[n]; + m = n/2; + return __fmtpow10(-m) * __fmtpow10(m-n); + } + if(n < (int)(sizeof(tab)/sizeof(tab[0]))) + return tab[n]; + m = n/2; + return __fmtpow10(m) * __fmtpow10(n-m); +} diff --git a/sys/src/ape/lib/fmt/print.c b/sys/src/ape/lib/fmt/print.c new file mode 100755 index 000000000..381a1da92 --- /dev/null +++ b/sys/src/ape/lib/fmt/print.c @@ -0,0 +1,28 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include "utf.h" +#include "fmt.h" + +int +print(char *fmt, ...) +{ + int n; + va_list args; + + va_start(args, fmt); + n = vfprint(1, fmt, args); + va_end(args); + return n; +} diff --git a/sys/src/ape/lib/fmt/runefmtstr.c b/sys/src/ape/lib/fmt/runefmtstr.c new file mode 100755 index 000000000..a2ec6cb48 --- /dev/null +++ b/sys/src/ape/lib/fmt/runefmtstr.c @@ -0,0 +1,65 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include <stdlib.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +static int +runeFmtStrFlush(Fmt *f) +{ + Rune *s; + int n; + + n = (int)f->farg; + n += 256; + f->farg = (void*)n; + s = (Rune*)f->start; + f->start = realloc(s, sizeof(Rune)*n); + if(f->start == nil){ + f->start = s; + return 0; + } + f->to = (Rune*)f->start + ((Rune*)f->to - s); + f->stop = (Rune*)f->start + n - 1; + return 1; +} + +int +runefmtstrinit(Fmt *f) +{ + int n; + + f->runes = 1; + n = 32; + f->start = malloc(sizeof(Rune)*n); + if(f->start == nil) + return -1; + f->to = f->start; + f->stop = (Rune*)f->start + n - 1; + f->flush = runeFmtStrFlush; + f->farg = (void*)n; + f->nfmt = 0; + return 0; +} + +Rune* +runefmtstrflush(Fmt *f) +{ + *(Rune*)f->to = '\0'; + f->to = f->start; + return f->start; +} diff --git a/sys/src/ape/lib/fmt/runeseprint.c b/sys/src/ape/lib/fmt/runeseprint.c new file mode 100755 index 000000000..7829a4399 --- /dev/null +++ b/sys/src/ape/lib/fmt/runeseprint.c @@ -0,0 +1,30 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +Rune* +runeseprint(Rune *buf, Rune *e, char *fmt, ...) +{ + Rune *p; + va_list args; + + va_start(args, fmt); + p = runevseprint(buf, e, fmt, args); + va_end(args); + return p; +} diff --git a/sys/src/ape/lib/fmt/runesmprint.c b/sys/src/ape/lib/fmt/runesmprint.c new file mode 100755 index 000000000..538ae0ee3 --- /dev/null +++ b/sys/src/ape/lib/fmt/runesmprint.c @@ -0,0 +1,30 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +Rune* +runesmprint(char *fmt, ...) +{ + va_list args; + Rune *p; + + va_start(args, fmt); + p = runevsmprint(fmt, args); + va_end(args); + return p; +} diff --git a/sys/src/ape/lib/fmt/runesnprint.c b/sys/src/ape/lib/fmt/runesnprint.c new file mode 100755 index 000000000..5abb6dbf1 --- /dev/null +++ b/sys/src/ape/lib/fmt/runesnprint.c @@ -0,0 +1,31 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +int +runesnprint(Rune *buf, int len, char *fmt, ...) +{ + int n; + va_list args; + + va_start(args, fmt); + n = runevsnprint(buf, len, fmt, args); + va_end(args); + return n; +} + diff --git a/sys/src/ape/lib/fmt/runesprint.c b/sys/src/ape/lib/fmt/runesprint.c new file mode 100755 index 000000000..8abfeb658 --- /dev/null +++ b/sys/src/ape/lib/fmt/runesprint.c @@ -0,0 +1,30 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +int +runesprint(Rune *buf, char *fmt, ...) +{ + int n; + va_list args; + + va_start(args, fmt); + n = runevsnprint(buf, 256, fmt, args); + va_end(args); + return n; +} diff --git a/sys/src/ape/lib/fmt/runevseprint.c b/sys/src/ape/lib/fmt/runevseprint.c new file mode 100755 index 000000000..e4cc1ea87 --- /dev/null +++ b/sys/src/ape/lib/fmt/runevseprint.c @@ -0,0 +1,39 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +Rune* +runevseprint(Rune *buf, Rune *e, char *fmt, va_list args) +{ + Fmt f; + + if(e <= buf) + return nil; + f.runes = 1; + f.start = buf; + f.to = buf; + f.stop = e - 1; + f.flush = nil; + f.farg = nil; + f.nfmt = 0; + f.args = args; + dofmt(&f, fmt); + *(Rune*)f.to = '\0'; + return (Rune*)f.to; +} + diff --git a/sys/src/ape/lib/fmt/runevsmprint.c b/sys/src/ape/lib/fmt/runevsmprint.c new file mode 100755 index 000000000..71c23d844 --- /dev/null +++ b/sys/src/ape/lib/fmt/runevsmprint.c @@ -0,0 +1,37 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <stdlib.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +/* + * print into an allocated string buffer + */ +Rune* +runevsmprint(char *fmt, va_list args) +{ + Fmt f; + int n; + + if(runefmtstrinit(&f) < 0) + return nil; + f.args = args; + n = dofmt(&f, fmt); + if(n < 0) + return nil; + *(Rune*)f.to = '\0'; + return (Rune*)f.start; +} diff --git a/sys/src/ape/lib/fmt/runevsnprint.c b/sys/src/ape/lib/fmt/runevsnprint.c new file mode 100755 index 000000000..933a04ca9 --- /dev/null +++ b/sys/src/ape/lib/fmt/runevsnprint.c @@ -0,0 +1,38 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "fmt.h" +#include "fmtdef.h" + +int +runevsnprint(Rune *buf, int len, char *fmt, va_list args) +{ + Fmt f; + + if(len <= 0) + return -1; + f.runes = 1; + f.start = buf; + f.to = buf; + f.stop = buf + len - 1; + f.flush = nil; + f.farg = nil; + f.nfmt = 0; + f.args = args; + dofmt(&f, fmt); + *(Rune*)f.to = '\0'; + return (Rune*)f.to - buf; +} diff --git a/sys/src/ape/lib/fmt/seprint.c b/sys/src/ape/lib/fmt/seprint.c new file mode 100755 index 000000000..d5031a2b1 --- /dev/null +++ b/sys/src/ape/lib/fmt/seprint.c @@ -0,0 +1,27 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include "fmt.h" + +char* +seprint(char *buf, char *e, char *fmt, ...) +{ + char *p; + va_list args; + + va_start(args, fmt); + p = vseprint(buf, e, fmt, args); + va_end(args); + return p; +} diff --git a/sys/src/ape/lib/fmt/smprint.c b/sys/src/ape/lib/fmt/smprint.c new file mode 100755 index 000000000..543411a0a --- /dev/null +++ b/sys/src/ape/lib/fmt/smprint.c @@ -0,0 +1,27 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include "fmt.h" + +char* +smprint(char *fmt, ...) +{ + va_list args; + char *p; + + va_start(args, fmt); + p = vsmprint(fmt, args); + va_end(args); + return p; +} diff --git a/sys/src/ape/lib/fmt/snprint.c b/sys/src/ape/lib/fmt/snprint.c new file mode 100755 index 000000000..594606d21 --- /dev/null +++ b/sys/src/ape/lib/fmt/snprint.c @@ -0,0 +1,28 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include "fmt.h" + +int +snprint(char *buf, int len, char *fmt, ...) +{ + int n; + va_list args; + + va_start(args, fmt); + n = vsnprint(buf, len, fmt, args); + va_end(args); + return n; +} + diff --git a/sys/src/ape/lib/fmt/sprint.c b/sys/src/ape/lib/fmt/sprint.c new file mode 100755 index 000000000..57150c36b --- /dev/null +++ b/sys/src/ape/lib/fmt/sprint.c @@ -0,0 +1,27 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include "fmt.h" + +int +sprint(char *buf, char *fmt, ...) +{ + int n; + va_list args; + + va_start(args, fmt); + n = vsnprint(buf, 65536, fmt, args); /* big number, but sprint is deprecated anyway */ + va_end(args); + return n; +} diff --git a/sys/src/ape/lib/fmt/strtod.c b/sys/src/ape/lib/fmt/strtod.c new file mode 100755 index 000000000..e24e2a8aa --- /dev/null +++ b/sys/src/ape/lib/fmt/strtod.c @@ -0,0 +1,538 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdlib.h> +#include <math.h> +#include <ctype.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include "fmt.h" +#include "nan.h" + +#ifndef nelem +#define nelem(x) (sizeof(x)/sizeof *(x)) +#endif +#define nil ((void*)0) +#define ulong _fmtulong +typedef unsigned long ulong; + +static ulong +umuldiv(ulong a, ulong b, ulong c) +{ + double d; + + d = ((double)a * (double)b) / (double)c; + if(d >= 4294967295.) + d = 4294967295.; + return (ulong)d; +} + +/* + * This routine will convert to arbitrary precision + * floating point entirely in multi-precision fixed. + * The answer is the closest floating point number to + * the given decimal number. Exactly half way are + * rounded ala ieee rules. + * Method is to scale input decimal between .500 and .999... + * with external power of 2, then binary search for the + * closest mantissa to this decimal number. + * Nmant is is the required precision. (53 for ieee dp) + * Nbits is the max number of bits/word. (must be <= 28) + * Prec is calculated - the number of words of fixed mantissa. + */ +enum +{ + Nbits = 28, /* bits safely represented in a ulong */ + Nmant = 53, /* bits of precision required */ + Prec = (Nmant+Nbits+1)/Nbits, /* words of Nbits each to represent mantissa */ + Sigbit = 1<<(Prec*Nbits-Nmant), /* first significant bit of Prec-th word */ + Ndig = 1500, + One = (ulong)(1<<Nbits), + Half = (ulong)(One>>1), + Maxe = 310, + + Fsign = 1<<0, /* found - */ + Fesign = 1<<1, /* found e- */ + Fdpoint = 1<<2, /* found . */ + + S0 = 0, /* _ _S0 +S1 #S2 .S3 */ + S1, /* _+ #S2 .S3 */ + S2, /* _+# #S2 .S4 eS5 */ + S3, /* _+. #S4 */ + S4, /* _+#.# #S4 eS5 */ + S5, /* _+#.#e +S6 #S7 */ + S6, /* _+#.#e+ #S7 */ + S7, /* _+#.#e+# #S7 */ +}; + +static int xcmp(char*, char*); +static int fpcmp(char*, ulong*); +static void frnorm(ulong*); +static void divascii(char*, int*, int*, int*); +static void mulascii(char*, int*, int*, int*); + +typedef struct Tab Tab; +struct Tab +{ + int bp; + int siz; + char* cmp; +}; + +double +fmtstrtod(const char *as, char **aas) +{ + int na, ex, dp, bp, c, i, flag, state; + ulong low[Prec], hig[Prec], mid[Prec]; + double d; + char *s, a[Ndig]; + + flag = 0; /* Fsign, Fesign, Fdpoint */ + na = 0; /* number of digits of a[] */ + dp = 0; /* na of decimal point */ + ex = 0; /* exonent */ + + state = S0; + for(s=(char*)as;; s++) { + c = *s; + if(c >= '0' && c <= '9') { + switch(state) { + case S0: + case S1: + case S2: + state = S2; + break; + case S3: + case S4: + state = S4; + break; + + case S5: + case S6: + case S7: + state = S7; + ex = ex*10 + (c-'0'); + continue; + } + if(na == 0 && c == '0') { + dp--; + continue; + } + if(na < Ndig-50) + a[na++] = c; + continue; + } + switch(c) { + case '\t': + case '\n': + case '\v': + case '\f': + case '\r': + case ' ': + if(state == S0) + continue; + break; + case '-': + if(state == S0) + flag |= Fsign; + else + flag |= Fesign; + case '+': + if(state == S0) + state = S1; + else + if(state == S5) + state = S6; + else + break; /* syntax */ + continue; + case '.': + flag |= Fdpoint; + dp = na; + if(state == S0 || state == S1) { + state = S3; + continue; + } + if(state == S2) { + state = S4; + continue; + } + break; + case 'e': + case 'E': + if(state == S2 || state == S4) { + state = S5; + continue; + } + break; + } + break; + } + + /* + * clean up return char-pointer + */ + switch(state) { + case S0: + if(xcmp(s, "nan") == 0) { + if(aas != nil) + *aas = s+3; + goto retnan; + } + case S1: + if(xcmp(s, "infinity") == 0) { + if(aas != nil) + *aas = s+8; + goto retinf; + } + if(xcmp(s, "inf") == 0) { + if(aas != nil) + *aas = s+3; + goto retinf; + } + case S3: + if(aas != nil) + *aas = (char*)as; + goto ret0; /* no digits found */ + case S6: + s--; /* back over +- */ + case S5: + s--; /* back over e */ + break; + } + if(aas != nil) + *aas = s; + + if(flag & Fdpoint) + while(na > 0 && a[na-1] == '0') + na--; + if(na == 0) + goto ret0; /* zero */ + a[na] = 0; + if(!(flag & Fdpoint)) + dp = na; + if(flag & Fesign) + ex = -ex; + dp += ex; + if(dp < -Maxe){ + errno = ERANGE; + goto ret0; /* underflow by exp */ + } else + if(dp > +Maxe) + goto retinf; /* overflow by exp */ + + /* + * normalize the decimal ascii number + * to range .[5-9][0-9]* e0 + */ + bp = 0; /* binary exponent */ + while(dp > 0) + divascii(a, &na, &dp, &bp); + while(dp < 0 || a[0] < '5') + mulascii(a, &na, &dp, &bp); + + /* close approx by naive conversion */ + mid[0] = 0; + mid[1] = 1; + for(i=0; c=a[i]; i++) { + mid[0] = mid[0]*10 + (c-'0'); + mid[1] = mid[1]*10; + if(i >= 8) + break; + } + low[0] = umuldiv(mid[0], One, mid[1]); + hig[0] = umuldiv(mid[0]+1, One, mid[1]); + for(i=1; i<Prec; i++) { + low[i] = 0; + hig[i] = One-1; + } + + /* binary search for closest mantissa */ + for(;;) { + /* mid = (hig + low) / 2 */ + c = 0; + for(i=0; i<Prec; i++) { + mid[i] = hig[i] + low[i]; + if(c) + mid[i] += One; + c = mid[i] & 1; + mid[i] >>= 1; + } + frnorm(mid); + + /* compare */ + c = fpcmp(a, mid); + if(c > 0) { + c = 1; + for(i=0; i<Prec; i++) + if(low[i] != mid[i]) { + c = 0; + low[i] = mid[i]; + } + if(c) + break; /* between mid and hig */ + continue; + } + if(c < 0) { + for(i=0; i<Prec; i++) + hig[i] = mid[i]; + continue; + } + + /* only hard part is if even/odd roundings wants to go up */ + c = mid[Prec-1] & (Sigbit-1); + if(c == Sigbit/2 && (mid[Prec-1]&Sigbit) == 0) + mid[Prec-1] -= c; + break; /* exactly mid */ + } + + /* normal rounding applies */ + c = mid[Prec-1] & (Sigbit-1); + mid[Prec-1] -= c; + if(c >= Sigbit/2) { + mid[Prec-1] += Sigbit; + frnorm(mid); + } + goto out; + +ret0: + return 0; + +retnan: + return __NaN(); + +retinf: + /* + * Unix strtod requires these. Plan 9 would return Inf(0) or Inf(-1). */ + errno = ERANGE; + if(flag & Fsign) + return -HUGE_VAL; + return HUGE_VAL; + +out: + d = 0; + for(i=0; i<Prec; i++) + d = d*One + mid[i]; + if(flag & Fsign) + d = -d; + d = ldexp(d, bp - Prec*Nbits); + if(d == 0){ /* underflow */ + errno = ERANGE; + } + return d; +} + +static void +frnorm(ulong *f) +{ + int i, c; + + c = 0; + for(i=Prec-1; i>0; i--) { + f[i] += c; + c = f[i] >> Nbits; + f[i] &= One-1; + } + f[0] += c; +} + +static int +fpcmp(char *a, ulong* f) +{ + ulong tf[Prec]; + int i, d, c; + + for(i=0; i<Prec; i++) + tf[i] = f[i]; + + for(;;) { + /* tf *= 10 */ + for(i=0; i<Prec; i++) + tf[i] = tf[i]*10; + frnorm(tf); + d = (tf[0] >> Nbits) + '0'; + tf[0] &= One-1; + + /* compare next digit */ + c = *a; + if(c == 0) { + if('0' < d) + return -1; + if(tf[0] != 0) + goto cont; + for(i=1; i<Prec; i++) + if(tf[i] != 0) + goto cont; + return 0; + } + if(c > d) + return +1; + if(c < d) + return -1; + a++; + cont:; + } +} + +static void +divby(char *a, int *na, int b) +{ + int n, c; + char *p; + + p = a; + n = 0; + while(n>>b == 0) { + c = *a++; + if(c == 0) { + while(n) { + c = n*10; + if(c>>b) + break; + n = c; + } + goto xx; + } + n = n*10 + c-'0'; + (*na)--; + } + for(;;) { + c = n>>b; + n -= c<<b; + *p++ = c + '0'; + c = *a++; + if(c == 0) + break; + n = n*10 + c-'0'; + } + (*na)++; +xx: + while(n) { + n = n*10; + c = n>>b; + n -= c<<b; + *p++ = c + '0'; + (*na)++; + } + *p = 0; +} + +static Tab tab1[] = +{ + 1, 0, "", + 3, 1, "7", + 6, 2, "63", + 9, 3, "511", + 13, 4, "8191", + 16, 5, "65535", + 19, 6, "524287", + 23, 7, "8388607", + 26, 8, "67108863", + 27, 9, "134217727", +}; + +static void +divascii(char *a, int *na, int *dp, int *bp) +{ + int b, d; + Tab *t; + + d = *dp; + if(d >= (int)(nelem(tab1))) + d = (int)(nelem(tab1))-1; + t = tab1 + d; + b = t->bp; + if(memcmp(a, t->cmp, t->siz) > 0) + d--; + *dp -= d; + *bp += b; + divby(a, na, b); +} + +static void +mulby(char *a, char *p, char *q, int b) +{ + int n, c; + + n = 0; + *p = 0; + for(;;) { + q--; + if(q < a) + break; + c = *q - '0'; + c = (c<<b) + n; + n = c/10; + c -= n*10; + p--; + *p = c + '0'; + } + while(n) { + c = n; + n = c/10; + c -= n*10; + p--; + *p = c + '0'; + } +} + +static Tab tab2[] = +{ + 1, 1, "", /* dp = 0-0 */ + 3, 3, "125", + 6, 5, "15625", + 9, 7, "1953125", + 13, 10, "1220703125", + 16, 12, "152587890625", + 19, 14, "19073486328125", + 23, 17, "11920928955078125", + 26, 19, "1490116119384765625", + 27, 19, "7450580596923828125", /* dp 8-9 */ +}; + +static void +mulascii(char *a, int *na, int *dp, int *bp) +{ + char *p; + int d, b; + Tab *t; + + d = -*dp; + if(d >= (int)(nelem(tab2))) + d = (int)(nelem(tab2))-1; + t = tab2 + d; + b = t->bp; + if(memcmp(a, t->cmp, t->siz) < 0) + d--; + p = a + *na; + *bp -= b; + *dp += d; + *na += d; + mulby(a, p+d, p, b); +} + +static int +xcmp(char *a, char *b) +{ + int c1, c2; + + while(c1 = *b++) { + c2 = *a++; + if(isupper(c2)) + c2 = tolower(c2); + if(c1 != c2) + return 1; + } + return 0; +} diff --git a/sys/src/ape/lib/fmt/strtod.h b/sys/src/ape/lib/fmt/strtod.h new file mode 100755 index 000000000..82c3d46eb --- /dev/null +++ b/sys/src/ape/lib/fmt/strtod.h @@ -0,0 +1,4 @@ +extern double __NaN(void); +extern double __Inf(int); +extern double __isNaN(double); +extern double __isInf(double, int); diff --git a/sys/src/ape/lib/fmt/test.c b/sys/src/ape/lib/fmt/test.c new file mode 100755 index 000000000..a1a1d5edc --- /dev/null +++ b/sys/src/ape/lib/fmt/test.c @@ -0,0 +1,39 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <utf.h> +#include "fmt.h" + +int +main(int argc, char *argv[]) +{ + quotefmtinstall(); + print("hello world\n"); + print("x: %x\n", 0x87654321); + print("u: %u\n", 0x87654321); + print("d: %d\n", 0x87654321); + print("s: %s\n", "hi there"); + print("q: %q\n", "hi i'm here"); + print("c: %c\n", '!'); + print("g: %g %g %g\n", 3.14159, 3.14159e10, 3.14159e-10); + print("e: %e %e %e\n", 3.14159, 3.14159e10, 3.14159e-10); + print("f: %f %f %f\n", 3.14159, 3.14159e10, 3.14159e-10); + print("smiley: %C\n", (Rune)0x263a); + print("%g %.18\n", 2e25, 2e25); + print("%2.18g\n", 1.0); + print("%f\n", 3.1415927/4); + print("%d\n", 23); + print("%i\n", 23); + return 0; +} diff --git a/sys/src/ape/lib/fmt/vfprint.c b/sys/src/ape/lib/fmt/vfprint.c new file mode 100755 index 000000000..e4ab82acb --- /dev/null +++ b/sys/src/ape/lib/fmt/vfprint.c @@ -0,0 +1,31 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include "fmt.h" +#include "fmtdef.h" + +int +vfprint(int fd, char *fmt, va_list args) +{ + Fmt f; + char buf[256]; + int n; + + fmtfdinit(&f, fd, buf, sizeof(buf)); + f.args = args; + n = dofmt(&f, fmt); + if(n > 0 && __fmtFdFlush(&f) == 0) + return -1; + return n; +} diff --git a/sys/src/ape/lib/fmt/vseprint.c b/sys/src/ape/lib/fmt/vseprint.c new file mode 100755 index 000000000..85ed810bd --- /dev/null +++ b/sys/src/ape/lib/fmt/vseprint.c @@ -0,0 +1,37 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include "fmt.h" +#include "fmtdef.h" + +char* +vseprint(char *buf, char *e, char *fmt, va_list args) +{ + Fmt f; + + if(e <= buf) + return nil; + f.runes = 0; + f.start = buf; + f.to = buf; + f.stop = e - 1; + f.flush = 0; + f.farg = nil; + f.nfmt = 0; + f.args = args; + dofmt(&f, fmt); + *(char*)f.to = '\0'; + return (char*)f.to; +} + diff --git a/sys/src/ape/lib/fmt/vsmprint.c b/sys/src/ape/lib/fmt/vsmprint.c new file mode 100755 index 000000000..38ace62d7 --- /dev/null +++ b/sys/src/ape/lib/fmt/vsmprint.c @@ -0,0 +1,36 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdlib.h> +#include <stdarg.h> +#include "fmt.h" +#include "fmtdef.h" + +/* + * print into an allocated string buffer + */ +char* +vsmprint(char *fmt, va_list args) +{ + Fmt f; + int n; + + if(fmtstrinit(&f) < 0) + return nil; + f.args = args; + n = dofmt(&f, fmt); + if(n < 0) + return nil; + *(char*)f.to = '\0'; + return (char*)f.start; +} diff --git a/sys/src/ape/lib/fmt/vsnprint.c b/sys/src/ape/lib/fmt/vsnprint.c new file mode 100755 index 000000000..21662e6d4 --- /dev/null +++ b/sys/src/ape/lib/fmt/vsnprint.c @@ -0,0 +1,37 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdlib.h> +#include <stdarg.h> +#include "fmt.h" +#include "fmtdef.h" + +int +vsnprint(char *buf, int len, char *fmt, va_list args) +{ + Fmt f; + + if(len <= 0) + return -1; + f.runes = 0; + f.start = buf; + f.to = buf; + f.stop = buf + len - 1; + f.flush = 0; + f.farg = nil; + f.nfmt = 0; + f.args = args; + dofmt(&f, fmt); + *(char*)f.to = '\0'; + return (char*)f.to - buf; +} diff --git a/sys/src/ape/lib/fmt/werrstr.c b/sys/src/ape/lib/fmt/werrstr.c new file mode 100755 index 000000000..05222f72e --- /dev/null +++ b/sys/src/ape/lib/fmt/werrstr.c @@ -0,0 +1,16 @@ +#include <stdarg.h> +#include <errno.h> +#include "fmt.h" + +extern char _plan9err[128]; + +void +werrstr(const char *fmt, ...) +{ + va_list arg; + + va_start(arg, fmt); + snprint(_plan9err, sizeof _plan9err, fmt, arg); + va_end(arg); + errno = EPLAN9; +} diff --git a/sys/src/ape/lib/l/allprint.c b/sys/src/ape/lib/l/allprint.c new file mode 100755 index 000000000..c0e8296be --- /dev/null +++ b/sys/src/ape/lib/l/allprint.c @@ -0,0 +1,38 @@ +#include <libl.h> +#include <stdio.h> + +extern FILE* yyout; + +int +printable(int c) +{ + return 040 < c && c < 0177; +} + +void +allprint(char c) +{ + + switch(c) { + case '\n': + fprintf(yyout,"\\n"); + break; + case '\t': + fprintf(yyout,"\\t"); + break; + case '\b': + fprintf(yyout,"\\b"); + break; + case ' ': + fprintf(yyout,"\\\bb"); + break; + default: + if(!printable(c)) + fprintf(yyout,"\\%-3o",c); + else + c = putc(c,yyout); + USED(c); + break; + } + return; +} diff --git a/sys/src/ape/lib/l/main.c b/sys/src/ape/lib/l/main.c new file mode 100755 index 000000000..48025e334 --- /dev/null +++ b/sys/src/ape/lib/l/main.c @@ -0,0 +1,12 @@ +#include <libl.h> +#include <stdlib.h> + +int yylex(void); + +void +main(int argc, char *argv[]) +{ + USED(argc); + yylex(); + exit(0); +} diff --git a/sys/src/ape/lib/l/mkfile b/sys/src/ape/lib/l/mkfile new file mode 100755 index 000000000..15c1e5c4a --- /dev/null +++ b/sys/src/ape/lib/l/mkfile @@ -0,0 +1,13 @@ +APE=/sys/src/ape +<$APE/config + +LIB=/$objtype/lib/ape/libl.a +OFILES=allprint.$O\ + main.$O\ + reject.$O\ + yyless.$O\ + yywrap.$O\ + +</sys/src/cmd/mksyslib + +CFLAGS=-c -D_RESEARCH_SOURCE diff --git a/sys/src/ape/lib/l/reject.c b/sys/src/ape/lib/l/reject.c new file mode 100755 index 000000000..0b2aa7c5d --- /dev/null +++ b/sys/src/ape/lib/l/reject.c @@ -0,0 +1,57 @@ +#include <libl.h> +#include <stdio.h> + +extern FILE* yyout; +extern FILE* yyin; +extern int yyprevious, *yyfnd; +extern char yyextra[]; +extern char yytext[]; +extern int yyleng; + +extern +struct +{ + int *yyaa, *yybb; + int *yystops; +} *yylstate [], **yylsp, **yyolsp; + +int yyback(int *p, int m); +int yyinput(void); +void yyoutput(int c); +void yyunput(int c); + +int +yyracc(int m) +{ + + yyolsp = yylsp; + if(yyextra[m]) { + while(yyback((*yylsp)->yystops, -m) != 1 && yylsp > yylstate) { + yylsp--; + yyunput(yytext[--yyleng]); + } + } + yyprevious = yytext[yyleng-1]; + yytext[yyleng] = 0; + return m; +} + +int +yyreject(void) +{ + for(; yylsp < yyolsp; yylsp++) + yytext[yyleng++] = yyinput(); + if(*yyfnd > 0) + return yyracc(*yyfnd++); + while(yylsp-- > yylstate) { + yyunput(yytext[yyleng-1]); + yytext[--yyleng] = 0; + if(*yylsp != 0 && (yyfnd = (*yylsp)->yystops) && *yyfnd > 0) + return yyracc(*yyfnd++); + } + if(yytext[0] == 0) + return 0; + yyoutput(yyprevious = yyinput()); + yyleng = 0; + return -1; +} diff --git a/sys/src/ape/lib/l/yyless.c b/sys/src/ape/lib/l/yyless.c new file mode 100755 index 000000000..9367919f3 --- /dev/null +++ b/sys/src/ape/lib/l/yyless.c @@ -0,0 +1,26 @@ +#include <libl.h> +#include <stdio.h> + +extern char yytext[]; +extern int yyleng; +extern int yyprevious; + +void yyunput(int c); + +void +yyless(int x) +{ + char *lastch, *ptr; + + lastch = yytext+yyleng; + if(x>=0 && x <= yyleng) + ptr = x + yytext; + else + ptr = (char*)x; + while(lastch > ptr) + yyunput(*--lastch); + *lastch = 0; + if (ptr >yytext) + yyprevious = *--lastch; + yyleng = ptr-yytext; +} diff --git a/sys/src/ape/lib/l/yywrap.c b/sys/src/ape/lib/l/yywrap.c new file mode 100755 index 000000000..772ee0ae5 --- /dev/null +++ b/sys/src/ape/lib/l/yywrap.c @@ -0,0 +1,8 @@ +#include <libl.h> +#include <stdio.h> + +int +yywrap(void) +{ + return 1; +} diff --git a/sys/src/ape/lib/mkfile b/sys/src/ape/lib/mkfile new file mode 100755 index 000000000..91d286721 --- /dev/null +++ b/sys/src/ape/lib/mkfile @@ -0,0 +1,12 @@ +</$objtype/mkfile + +DIRS=`{ls -l | sed '/^d/!d; s/.* //; /\./d'} + +none:V: + echo mk all, install, installall, clean, or nuke + +all clean nuke install installall:V: + for (i in $DIRS) @{ + cd $i + mk $target + } diff --git a/sys/src/ape/lib/net/announce.c b/sys/src/ape/lib/net/announce.c new file mode 100755 index 000000000..807239f5d --- /dev/null +++ b/sys/src/ape/lib/net/announce.c @@ -0,0 +1,222 @@ +#include <stdlib.h> +#include <sys/types.h> +#include <unistd.h> +#include <fcntl.h> +#include <stdio.h> +#include <string.h> +#include <ctype.h> +#include <libnet.h> + +#define NAMELEN 28 + +static int nettrans(char*, char*, int na, char*, int); + +/* + * announce a network service. + */ +int +announce(char *addr, char *dir) +{ + int ctl, n, m; + char buf[3*NAMELEN]; + char buf2[3*NAMELEN]; + char netdir[2*NAMELEN]; + char naddr[3*NAMELEN]; + char *cp; + + /* + * translate the address + */ + if(nettrans(addr, naddr, sizeof(naddr), netdir, sizeof(netdir)) < 0) + return -1; + + /* + * get a control channel + */ + ctl = open(netdir, O_RDWR); + if(ctl<0) + return -1; + cp = strrchr(netdir, '/'); + *cp = 0; + + /* + * find out which line we have + */ + n = sprintf(buf, "%.*s/", 2*NAMELEN+1, netdir); + m = read(ctl, &buf[n], sizeof(buf)-n-1); + if(n<=0){ + close(ctl); + return -1; + } + buf[n+m] = 0; + + /* + * make the call + */ + n = sprintf(buf2, "announce %.*s", 2*NAMELEN, naddr); + if(write(ctl, buf2, n)!=n){ + close(ctl); + return -1; + } + + /* + * return directory etc. + */ + if(dir) + strcpy(dir, buf); + return ctl; +} + +/* + * listen for an incoming call + */ +int +listen(char *dir, char *newdir) +{ + int ctl, n, m; + char buf[3*NAMELEN]; + char *cp; + + /* + * open listen, wait for a call + */ + sprintf(buf, "%.*s/listen", 2*NAMELEN+1, dir); + ctl = open(buf, O_RDWR); + if(ctl < 0) + return -1; + + /* + * find out which line we have + */ + strcpy(buf, dir); + cp = strrchr(buf, '/'); + *++cp = 0; + n = cp-buf; + m = read(ctl, cp, sizeof(buf) - n - 1); + if(n<=0){ + close(ctl); + return -1; + } + buf[n+m] = 0; + + /* + * return directory etc. + */ + if(newdir) + strcpy(newdir, buf); + return ctl; + +} + +/* + * accept a call, return an fd to the open data file + */ +int +accept(int ctl, char *dir) +{ + char buf[128]; + char *num; + long n; + + num = strrchr(dir, '/'); + if(num == 0) + num = dir; + else + num++; + + sprintf(buf, "accept %s", num); + n = strlen(buf); + write(ctl, buf, n); /* ignore return value, netowrk might not need accepts */ + + sprintf(buf, "%s/data", dir); + return open(buf, O_RDWR); +} + +/* + * reject a call, tell device the reason for the rejection + */ +int +reject(int ctl, char *dir, char *cause) +{ + char buf[128]; + char *num; + long n; + + num = strrchr(dir, '/'); + if(num == 0) + num = dir; + else + num++; + sprintf(buf, "reject %s %s", num, cause); + n = strlen(buf); + if(write(ctl, buf, n) != n) + return -1; + return 0; +} + +/* + * perform the identity translation (in case we can't reach cs) + */ +static int +identtrans(char *addr, char *naddr, int na, char *file, int nf) +{ + char reply[4*NAMELEN]; + char *p; + + USED(nf); + + /* parse the network */ + strncpy(reply, addr, sizeof(reply)); + reply[sizeof(reply)-1] = 0; + p = strchr(addr, '!'); + if(p) + *p++ = 0; + + sprintf(file, "/net/%.*s/clone", na - sizeof("/net//clone"), reply); + strncpy(naddr, p, na); + naddr[na-1] = 0; + + return 1; +} + +/* + * call up the connection server and get a translation + */ +static int +nettrans(char *addr, char *naddr, int na, char *file, int nf) +{ + int fd; + char reply[4*NAMELEN]; + char *cp; + long n; + + /* + * ask the connection server + */ + fd = open("/net/cs", O_RDWR); + if(fd < 0) + return identtrans(addr, naddr, na, file, nf); + if(write(fd, addr, strlen(addr)) < 0){ + close(fd); + return -1; + } + lseek(fd, 0, 0); + n = read(fd, reply, sizeof(reply)-1); + close(fd); + if(n <= 0) + return -1; + reply[n] = 0; + + /* + * parse the reply + */ + cp = strchr(reply, ' '); + if(cp == 0) + return -1; + *cp++ = 0; + strncpy(naddr, cp, na); + naddr[na-1] = 0; + strncpy(file, reply, nf); + file[nf-1] = 0; + return 0; +} diff --git a/sys/src/ape/lib/net/dial.c b/sys/src/ape/lib/net/dial.c new file mode 100755 index 000000000..712c6148f --- /dev/null +++ b/sys/src/ape/lib/net/dial.c @@ -0,0 +1,128 @@ +#include <stdlib.h> +#include <sys/types.h> +#include <string.h> +#include <fcntl.h> +#include <stdio.h> +#include <unistd.h> +#include <libnet.h> + +#define NAMELEN 28 + +static int +call(char *clone, char *dest, int *cfdp, char *dir, char *local) +{ + int fd, cfd; + int n; + char name[3*NAMELEN+5]; + char data[3*NAMELEN+10]; + char *p; + + cfd = open(clone, O_RDWR); + if(cfd < 0) + return -1; + + /* get directory name */ + n = read(cfd, name, sizeof(name)-1); + if(n < 0){ + close(cfd); + return -1; + } + name[n] = 0; + p = strrchr(clone, '/'); + *p = 0; + if(dir) + sprintf(dir, "%.*s/%.*s", 2*NAMELEN+1, clone, NAMELEN, name); + sprintf(data, "%.*s/%.*s/data", 2*NAMELEN+1, clone, NAMELEN, name); + + /* set local side (port number, for example) if we need to */ + if(local) + sprintf(name, "connect %.*s %.*s", 2*NAMELEN, dest, NAMELEN, local); + else + sprintf(name, "connect %.*s", 2*NAMELEN, dest); + + /* connect */ + if(write(cfd, name, strlen(name)) < 0){ + close(cfd); + return -1; + } + + /* open data connection */ + fd = open(data, O_RDWR); + if(fd < 0){ + close(cfd); + return -1; + } + if(cfdp) + *cfdp = cfd; + else + close(cfd); + return fd; +} + +int +dial(char *dest, char *local, char *dir, int *cfdp) +{ + char net[128]; + char netdir[128], csname[NETPATHLEN], *slp; + char clone[NAMELEN+12]; + char *p; + int n; + int fd; + int rv; + + /* go for a standard form net!... */ + p = strchr(dest, '!'); + if(p == 0){ + sprintf(net, "net!%.*s", sizeof(net)-5, dest); + } else { + strncpy(net, dest, sizeof(net)-1); + net[sizeof(net)-1] = 0; + } + + slp = strrchr(net, '/'); + if (slp != 0) { + *slp++ = '\0'; + strcpy(netdir, net); + memmove(net, slp, strlen(slp)+1); + } else + strcpy(netdir, "/net"); + + + /* call the connection server */ + sprintf(csname, "%s/cs", netdir); + fd = open(csname, O_RDWR); + if(fd < 0){ + /* no connection server, don't translate */ + p = strchr(net, '!'); + *p++ = 0; + sprintf(clone, "%s/%s/clone", netdir, net); + return call(clone, p, cfdp, dir, local); + } + + /* + * send dest to connection to translate + */ + if(write(fd, net, strlen(net)) < 0){ + close(fd); + return -1; + } + + /* + * loop through each address from the connection server till + * we get one that works. + */ + rv = -1; + lseek(fd, 0, 0); + while((n = read(fd, net, sizeof(net) - 1)) > 0){ + net[n] = 0; + p = strchr(net, ' '); + if(p == 0) + continue; + *p++ = 0; + rv = call(net, p, cfdp, dir, local); + if(rv >= 0) + break; + } + close(fd); + return rv; +} diff --git a/sys/src/ape/lib/net/hangup.c b/sys/src/ape/lib/net/hangup.c new file mode 100755 index 000000000..920ac1cdd --- /dev/null +++ b/sys/src/ape/lib/net/hangup.c @@ -0,0 +1,16 @@ +#include <stdlib.h> +#include <sys/types.h> +#include <string.h> +#include <fcntl.h> +#include <stdio.h> +#include <unistd.h> +#include <libnet.h> + +/* + * force a connection to hangup + */ +int +hangup(int ctl) +{ + return write(ctl, "hangup", sizeof("hangup")-1) != sizeof("hangup")-1; +} diff --git a/sys/src/ape/lib/net/mkfile b/sys/src/ape/lib/net/mkfile new file mode 100755 index 000000000..49539c079 --- /dev/null +++ b/sys/src/ape/lib/net/mkfile @@ -0,0 +1,13 @@ +APE=/sys/src/ape +<$APE/config + +LIB=/$objtype/lib/ape/libnet.a +OFILES=dial.$O\ + announce.$O\ + netmkaddr.$O\ + hangup.$O\ + + +</sys/src/cmd/mksyslib + +CFLAGS=-c -D_POSIX_SOURCE -D_RESEARCH_SOURCE -D_NET_EXTENSION diff --git a/sys/src/ape/lib/net/netmkaddr.c b/sys/src/ape/lib/net/netmkaddr.c new file mode 100755 index 000000000..52b9710a0 --- /dev/null +++ b/sys/src/ape/lib/net/netmkaddr.c @@ -0,0 +1,56 @@ +#include <stdlib.h> +#include <sys/types.h> +#include <string.h> +#include <fcntl.h> +#include <stdio.h> +#include <unistd.h> +#include <libnet.h> + +/* + * make an address, add the defaults + */ +char * +netmkaddr(char *linear, char *defnet, char *defsrv) +{ + static char addr[256]; + char *cp; + + /* + * dump network name + */ + cp = strchr(linear, '!'); + if(cp == 0){ + if(defnet==0){ + if(defsrv) + snprintf(addr, sizeof(addr), "net!%s!%s", + linear, defsrv); + else + snprintf(addr, sizeof(addr), "net!%s", linear); + } + else { + if(defsrv) + snprintf(addr, sizeof(addr), "%s!%s!%s", defnet, + linear, defsrv); + else + snprintf(addr, sizeof(addr), "%s!%s", defnet, + linear); + } + return addr; + } + + /* + * if there is already a service, use it + */ + cp = strchr(cp+1, '!'); + if(cp) + return linear; + + /* + * add default service + */ + if(defsrv == 0) + return linear; + snprintf(addr, sizeof(addr), "%s!%s", linear, defsrv); + + return addr; +} diff --git a/sys/src/ape/lib/regexp/mkfile b/sys/src/ape/lib/regexp/mkfile new file mode 100755 index 000000000..e5d8bc209 --- /dev/null +++ b/sys/src/ape/lib/regexp/mkfile @@ -0,0 +1,15 @@ +APE=/sys/src/ape +<$APE/config + +LIB=/$objtype/lib/ape/libregexp.a +OFILES=regcomp.$O\ + regerror.$O\ + regexec.$O\ + regsub.$O\ + regaux.$O\ + rregexec.$O\ + rregsub.$O\ + +</sys/src/cmd/mksyslib + +CFLAGS=-c -DUTF -D_REGEXP_EXTENSION diff --git a/sys/src/ape/lib/regexp/regaux.c b/sys/src/ape/lib/regexp/regaux.c new file mode 100755 index 000000000..6643b8ff8 --- /dev/null +++ b/sys/src/ape/lib/regexp/regaux.c @@ -0,0 +1,56 @@ +#include <stdlib.h> +#include <stdio.h> +#include "regexp.h" +#include "regcomp.h" + +/* + * Machine state + */ +Relist* _relist[2]; +Relist* _reliste[2]; +int _relistsize = LISTINCREMENT; + +/* + * save a new match in mp + */ +extern void +_renewmatch(Resub *mp, int ms, Resublist *sp) +{ + int i; + + if(mp==0 || ms<=0) + return; + if(mp[0].s.sp==0 || sp->m[0].s.sp<mp[0].s.sp || + (sp->m[0].s.sp==mp[0].s.sp && sp->m[0].e.ep>mp[0].e.ep)){ + for(i=0; i<ms && i<NSUBEXP; i++) + mp[i] = sp->m[i]; + for(; i<ms; i++) + mp[i].s.sp = mp[i].e.ep = 0; + } +} + +/* + * Note optimization in _renewthread: + * *lp must be pending when _renewthread called; if *l has been looked + * at already, the optimization is a bug. + */ +extern Relist* +_renewthread(Relist *lp, /* _relist to add to */ + Reinst *ip, /* instruction to add */ + Resublist *sep) /* pointers to subexpressions */ +{ + Relist *p; + + for(p=lp; p->inst; p++){ + if(p->inst == ip){ + if((sep)->m[0].s.sp < p->se.m[0].s.sp) + p->se = *sep; + return 0; + } + } + p->inst = ip; + p->se = *sep; + (++p)->inst = 0; + return p; +} + diff --git a/sys/src/ape/lib/regexp/regcomp.c b/sys/src/ape/lib/regexp/regcomp.c new file mode 100755 index 000000000..5d31fc2f6 --- /dev/null +++ b/sys/src/ape/lib/regexp/regcomp.c @@ -0,0 +1,560 @@ +#include <stdlib.h> +#include <stdio.h> +#include <setjmp.h> +#include <string.h> +#include "regexp.h" +#include "regcomp.h" + +#define TRUE 1 +#define FALSE 0 + +/* + * Parser Information + */ +typedef +struct Node +{ + Reinst* first; + Reinst* last; +}Node; + +#define NSTACK 20 +static Node andstack[NSTACK]; +static Node *andp; +static int atorstack[NSTACK]; +static int* atorp; +static int cursubid; /* id of current subexpression */ +static int subidstack[NSTACK]; /* parallel to atorstack */ +static int* subidp; +static int lastwasand; /* Last token was operand */ +static int nbra; +static char* exprp; /* pointer to next character in source expression */ +static int lexdone; +static int nclass; +static Reclass*classp; +static Reinst* freep; +static int errors; +static wchar_t yyrune; /* last lex'd rune */ +static Reclass*yyclassp; /* last lex'd class */ + +/* predeclared crap */ +static void operator(int); +static void pushand(Reinst*, Reinst*); +static void pushator(int); +static void evaluntil(int); +static int bldcclass(void); + +static jmp_buf regkaboom; + +static void +rcerror(char *s) +{ + errors++; + regerror(s); + longjmp(regkaboom, 1); +} + +static Reinst* +newinst(int t) +{ + freep->type = t; + freep->l.left = 0; + freep->r.right = 0; + return freep++; +} + +static void +operand(int t) +{ + Reinst *i; + + if(lastwasand) + operator(CAT); /* catenate is implicit */ + i = newinst(t); + + if(t == CCLASS || t == NCCLASS) + i->r.cp = yyclassp; + if(t == RUNE) + i->r.r = yyrune; + + pushand(i, i); + lastwasand = TRUE; +} + +static void +operator(int t) +{ + if(t==RBRA && --nbra<0) + rcerror("unmatched right paren"); + if(t==LBRA){ + if(++cursubid >= NSUBEXP) + rcerror ("too many subexpressions"); + nbra++; + if(lastwasand) + operator(CAT); + } else + evaluntil(t); + if(t != RBRA) + pushator(t); + lastwasand = FALSE; + if(t==STAR || t==QUEST || t==PLUS || t==RBRA) + lastwasand = TRUE; /* these look like operands */ +} + +static void +regerr2(char *s, int c) +{ + char buf[100]; + char *cp = buf; + while(*s) + *cp++ = *s++; + *cp++ = c; + *cp = '\0'; + rcerror(buf); +} + +static void +cant(char *s) +{ + char buf[100]; + strcpy(buf, "can't happen: "); + strcat(buf, s); + rcerror(buf); +} + +static void +pushand(Reinst *f, Reinst *l) +{ + if(andp >= &andstack[NSTACK]) + cant("operand stack overflow"); + andp->first = f; + andp->last = l; + andp++; +} + +static void +pushator(int t) +{ + if(atorp >= &atorstack[NSTACK]) + cant("operator stack overflow"); + *atorp++ = t; + *subidp++ = cursubid; +} + +static Node* +popand(int op) +{ + Reinst *inst; + + if(andp <= &andstack[0]){ + regerr2("missing operand for ", op); + inst = newinst(NOP); + pushand(inst,inst); + } + return --andp; +} + +static int +popator(void) +{ + if(atorp <= &atorstack[0]) + cant("operator stack underflow"); + --subidp; + return *--atorp; +} + +static void +evaluntil(int pri) +{ + Node *op1, *op2; + Reinst *inst1, *inst2; + + while(pri==RBRA || atorp[-1]>=pri){ + switch(popator()){ + default: + rcerror("unknown operator in evaluntil"); + break; + case LBRA: /* must have been RBRA */ + op1 = popand('('); + inst2 = newinst(RBRA); + inst2->r.subid = *subidp; + op1->last->l.next = inst2; + inst1 = newinst(LBRA); + inst1->r.subid = *subidp; + inst1->l.next = op1->first; + pushand(inst1, inst2); + return; + case OR: + op2 = popand('|'); + op1 = popand('|'); + inst2 = newinst(NOP); + op2->last->l.next = inst2; + op1->last->l.next = inst2; + inst1 = newinst(OR); + inst1->r.right = op1->first; + inst1->l.left = op2->first; + pushand(inst1, inst2); + break; + case CAT: + op2 = popand(0); + op1 = popand(0); + op1->last->l.next = op2->first; + pushand(op1->first, op2->last); + break; + case STAR: + op2 = popand('*'); + inst1 = newinst(OR); + op2->last->l.next = inst1; + inst1->r.right = op2->first; + pushand(inst1, inst1); + break; + case PLUS: + op2 = popand('+'); + inst1 = newinst(OR); + op2->last->l.next = inst1; + inst1->r.right = op2->first; + pushand(op2->first, inst1); + break; + case QUEST: + op2 = popand('?'); + inst1 = newinst(OR); + inst2 = newinst(NOP); + inst1->l.left = inst2; + inst1->r.right = op2->first; + op2->last->l.next = inst2; + pushand(inst1, inst2); + break; + } + } +} + +static Reprog* +optimize(Reprog *pp) +{ + Reinst *inst, *target; + int size; + Reprog *npp; + int diff; + + /* + * get rid of NOOP chains + */ + for(inst=pp->firstinst; inst->type!=END; inst++){ + target = inst->l.next; + while(target->type == NOP) + target = target->l.next; + inst->l.next = target; + } + + /* + * The original allocation is for an area larger than + * necessary. Reallocate to the actual space used + * and then relocate the code. + */ + size = sizeof(Reprog) + (freep - pp->firstinst)*sizeof(Reinst); + npp = realloc(pp, size); + if(npp==0 || npp==pp) + return pp; + diff = (char *)npp - (char *)pp; + freep = (Reinst *)((char *)freep + diff); + for(inst=npp->firstinst; inst<freep; inst++){ + switch(inst->type){ + case OR: + case STAR: + case PLUS: + case QUEST: + case CCLASS: + case NCCLASS: + *(char **)&inst->r.right += diff; + break; + } + *(char **)&inst->l.left += diff; + } + *(char **)&npp->startinst += diff; + return npp; +} + +#ifdef DEBUG +static void +dumpstack(void){ + Node *stk; + int *ip; + + print("operators\n"); + for(ip=atorstack; ip<atorp; ip++) + print("0%o\n", *ip); + print("operands\n"); + for(stk=andstack; stk<andp; stk++) + print("0%o\t0%o\n", stk->first->type, stk->last->type); +} + +static void +dump(Reprog *pp) +{ + Reinst *l; + wchar_t *p; + + l = pp->firstinst; + do{ + print("%d:\t0%o\t%d\t%d", l-pp->firstinst, l->type, + l->l.left-pp->firstinst, l->l.right-pp->firstinst); + if(l->type == RUNE) + print("\t%C\n", l->r); + else if(l->type == CCLASS || l->type == NCCLASS){ + print("\t["); + if(l->type == NCCLASS) + print("^"); + for(p = l->r.cp->spans; p < l->r.cp->end; p += 2) + if(p[0] == p[1]) + print("%C", p[0]); + else + print("%C-%C", p[0], p[1]); + print("]\n"); + } else + print("\n"); + }while(l++->type); +} +#endif + +static Reclass* +newclass(void) +{ + if(nclass >= NCLASS) + regerr2("too many character classes; limit", NCLASS+'0'); + return &(classp[nclass++]); +} + +static int +nextc(wchar_t *rp) +{ + int n; + + if(lexdone){ + *rp = 0; + return 1; + } + n = mbtowc(rp, exprp, MB_CUR_MAX); + if (n <= 0) + n = 1; + exprp += n; + if(*rp == L'\\'){ + n = mbtowc(rp, exprp, MB_CUR_MAX); + if (n <= 0) + n = 1; + exprp += n; + return 1; + } + if(*rp == 0) + lexdone = 1; + return 0; +} + +static int +lex(int literal, int dot_type) +{ + int quoted; + + quoted = nextc(&yyrune); + if(literal || quoted){ + if(yyrune == 0) + return END; + return RUNE; + } + + switch(yyrune){ + case 0: + return END; + case L'*': + return STAR; + case L'?': + return QUEST; + case L'+': + return PLUS; + case L'|': + return OR; + case L'.': + return dot_type; + case L'(': + return LBRA; + case L')': + return RBRA; + case L'^': + return BOL; + case L'$': + return EOL; + case L'[': + return bldcclass(); + } + return RUNE; +} + +static int +bldcclass(void) +{ + int type; + wchar_t r[NCCRUNE]; + wchar_t *p, *ep, *np; + wchar_t rune; + int quoted; + + /* we have already seen the '[' */ + type = CCLASS; + yyclassp = newclass(); + + /* look ahead for negation */ + ep = r; + quoted = nextc(&rune); + if(!quoted && rune == L'^'){ + type = NCCLASS; + quoted = nextc(&rune); + *ep++ = L'\n'; + *ep++ = L'\n'; + } + + /* parse class into a set of spans */ + for(; ep<&r[NCCRUNE];){ + if(rune == 0){ + rcerror("malformed '[]'"); + return 0; + } + if(!quoted && rune == L']') + break; + if(!quoted && rune == L'-'){ + if(ep == r){ + rcerror("malformed '[]'"); + return 0; + } + quoted = nextc(&rune); + if((!quoted && rune == L']') || rune == 0){ + rcerror("malformed '[]'"); + return 0; + } + *(ep-1) = rune; + } else { + *ep++ = rune; + *ep++ = rune; + } + quoted = nextc(&rune); + } + + /* sort on span start */ + for(p = r; p < ep; p += 2){ + for(np = p; np < ep; np += 2) + if(*np < *p){ + rune = np[0]; + np[0] = p[0]; + p[0] = rune; + rune = np[1]; + np[1] = p[1]; + p[1] = rune; + } + } + + /* merge spans */ + np = yyclassp->spans; + p = r; + if(r == ep) + yyclassp->end = np; + else { + np[0] = *p++; + np[1] = *p++; + for(; p < ep; p += 2) + if(p[0] <= np[1]){ + if(p[1] > np[1]) + np[1] = p[1]; + } else { + np += 2; + np[0] = p[0]; + np[1] = p[1]; + } + yyclassp->end = np+2; + } + + return type; +} + +static Reprog* +regcomp1(char *s, int literal, int dot_type) +{ + int token; + Reprog *pp; + + /* get memory for the program */ + pp = malloc(sizeof(Reprog) + 6*sizeof(Reinst)*strlen(s)); + if(pp == 0){ + regerror("out of memory"); + return 0; + } + freep = pp->firstinst; + classp = pp->class; + errors = 0; + + if(setjmp(regkaboom)) + goto out; + + /* go compile the sucker */ + lexdone = 0; + exprp = s; + nclass = 0; + nbra = 0; + atorp = atorstack; + andp = andstack; + subidp = subidstack; + lastwasand = FALSE; + cursubid = 0; + + /* Start with a low priority operator to prime parser */ + pushator(START-1); + while((token = lex(literal, dot_type)) != END){ + if((token&0300) == OPERATOR) + operator(token); + else + operand(token); + } + + /* Close with a low priority operator */ + evaluntil(START); + + /* Force END */ + operand(END); + evaluntil(START); +#ifdef DEBUG + dumpstack(); +#endif + if(nbra) + rcerror("unmatched left paren"); + --andp; /* points to first and only operand */ + pp->startinst = andp->first; +#ifdef DEBUG + dump(pp); +#endif + pp = optimize(pp); +#ifdef DEBUG + print("start: %d\n", andp->first-pp->firstinst); + dump(pp); +#endif +out: + if(errors){ + free(pp); + pp = 0; + } + return pp; +} + +extern Reprog* +regcomp(char *s) +{ + return regcomp1(s, 0, ANY); +} + +extern Reprog* +regcomplit(char *s) +{ + return regcomp1(s, 1, ANY); +} + +extern Reprog* +regcompnl(char *s) +{ + return regcomp1(s, 0, ANYNL); +} diff --git a/sys/src/ape/lib/regexp/regcomp.h b/sys/src/ape/lib/regexp/regcomp.h new file mode 100755 index 000000000..082e6137e --- /dev/null +++ b/sys/src/ape/lib/regexp/regcomp.h @@ -0,0 +1,61 @@ +/* + * substitution list + */ +typedef struct Resublist Resublist; +struct Resublist +{ + Resub m[32]; +}; + +/* max subexpressions per program */ +Resublist ReSuBlIsT; +#define NSUBEXP (sizeof(ReSuBlIsT.m)/sizeof(Resub)) + +/* max character classes per program */ +Reprog RePrOg; +#define NCLASS (sizeof(RePrOg.class)/sizeof(Reclass)) + +/* max rune ranges per character class */ +#define NCCRUNE (sizeof(Reclass)/sizeof(wchar_t)) + +/* + * Actions and Tokens (Reinst types) + * + * 02xx are operators, value == precedence + * 03xx are tokens, i.e. operands for operators + */ +#define RUNE 0177 +#define OPERATOR 0200 /* Bitmask of all operators */ +#define START 0200 /* Start, used for marker on stack */ +#define RBRA 0201 /* Right bracket, ) */ +#define LBRA 0202 /* Left bracket, ( */ +#define OR 0203 /* Alternation, | */ +#define CAT 0204 /* Concatentation, implicit operator */ +#define STAR 0205 /* Closure, * */ +#define PLUS 0206 /* a+ == aa* */ +#define QUEST 0207 /* a? == a|nothing, i.e. 0 or 1 a's */ +#define ANY 0300 /* Any character except newline, . */ +#define ANYNL 0301 /* Any character including newline, . */ +#define NOP 0302 /* No operation, internal use only */ +#define BOL 0303 /* Beginning of line, ^ */ +#define EOL 0304 /* End of line, $ */ +#define CCLASS 0305 /* Character class, [] */ +#define NCCLASS 0306 /* Negated character class, [] */ +#define END 0377 /* Terminate: match found */ + +/* + * regexec execution lists + */ +#define LISTINCREMENT 8 +typedef struct Relist Relist; +struct Relist +{ + Reinst *inst; /* Reinstruction of the thread */ + Resublist se; /* matched subexpressions in this thread */ +}; +extern Relist* _relist[2]; +extern Relist* _reliste[2]; +extern int _relistsize; + +extern Relist* _renewthread(Relist*, Reinst*, Resublist*); +extern void _renewmatch(Resub*, int, Resublist*); diff --git a/sys/src/ape/lib/regexp/regerror.c b/sys/src/ape/lib/regexp/regerror.c new file mode 100755 index 000000000..bfa158299 --- /dev/null +++ b/sys/src/ape/lib/regexp/regerror.c @@ -0,0 +1,16 @@ +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include "regexp.h" + +void +regerror(char *s) +{ + char buf[132]; + + strcpy(buf, "regerror: "); + strcat(buf, s); + strcat(buf, "\n"); + fwrite(buf, 1, strlen(buf), stderr); + exit(1); +} diff --git a/sys/src/ape/lib/regexp/regexec.c b/sys/src/ape/lib/regexp/regexec.c new file mode 100755 index 000000000..dee888b09 --- /dev/null +++ b/sys/src/ape/lib/regexp/regexec.c @@ -0,0 +1,191 @@ +#include <stdlib.h> +#include <stdio.h> +#include "regexp.h" +#include "regcomp.h" + +static Resublist sempty; /* empty set of matches */ + +/* + * return 0 if no match + * >0 if a match + * <0 if we ran out of _relist space + */ +static int +regexec1(Reprog *progp, /* program to run */ + char *bol, /* string to run machine on */ + Resub *mp, /* subexpression elements */ + int ms, /* number of elements at mp */ + char *starts, + char *eol, + wchar_t startchar) +{ + int flag=0; + Reinst *inst; + Relist *tlp; + char *s; + int i, checkstart; + wchar_t r, *rp, *ep; + int n; + Relist* tl; /* This list, next list */ + Relist* nl; + Relist* tle; /* ends of this and next list */ + Relist* nle; + int match; + + match = 0; + checkstart = startchar; + sempty.m[0].s.sp = 0; + if(mp!=0) + for(i=0; i<ms; i++) + mp[i].s.sp = mp[i].e.ep = 0; + _relist[0][0].inst = _relist[1][0].inst = 0; + + /* Execute machine once for each character, including terminal NUL */ + s = starts; + do{ + /* fast check for first char */ + r = *(unsigned char*)s; + if(checkstart && r != startchar){ + s++; + continue; + } + + if(r < Runeself) + n = 1; + else { + n = mbtowc(&r, s, MB_CUR_MAX); + if (n <= 0) + n = 1; + } + + /* switch run lists */ + tl = _relist[flag]; + tle = _reliste[flag]; + nl = _relist[flag^=1]; + nle = _reliste[flag]; + nl->inst = 0; + + /* Add first instruction to current list */ + if(match == 0){ + sempty.m[0].s.sp = s; + _renewthread(tl, progp->startinst, &sempty); + } + + /* Execute machine until current list is empty */ + for(tlp=tl; tlp->inst; tlp++){ /* assignment = */ + if(s == eol) + break; + + for(inst = tlp->inst; ; inst = inst->l.next){ + switch(inst->type){ + case RUNE: /* regular character */ + if(inst->r.r == r) + if(_renewthread(nl, inst->l.next, &tlp->se)==nle) + return -1; + break; + case LBRA: + tlp->se.m[inst->r.subid].s.sp = s; + continue; + case RBRA: + tlp->se.m[inst->r.subid].e.ep = s; + continue; + case ANY: + if(r != '\n') + if(_renewthread(nl, inst->l.next, &tlp->se)==nle) + return -1; + break; + case ANYNL: + if(_renewthread(nl, inst->l.next, &tlp->se)==nle) + return -1; + break; + case BOL: + if(s == bol || *(s-1) == '\n') + continue; + break; + case EOL: + if(r == 0 || r == '\n') + continue; + break; + case CCLASS: + ep = inst->r.cp->end; + for(rp = inst->r.cp->spans; rp < ep; rp += 2) + if(r >= rp[0] && r <= rp[1]){ + if(_renewthread(nl, inst->l.next, &tlp->se)==nle) + return -1; + break; + } + break; + case NCCLASS: + ep = inst->r.cp->end; + for(rp = inst->r.cp->spans; rp < ep; rp += 2) + if(r >= rp[0] && r <= rp[1]) + break; + if(rp == ep) + if(_renewthread(nl, inst->l.next, &tlp->se)==nle) + return -1; + break; + case OR: + /* evaluate right choice later */ + if(_renewthread(tlp, inst->r.right, &tlp->se) == tle) + return -1; + /* efficiency: advance and re-evaluate */ + continue; + case END: /* Match! */ + match = 1; + tlp->se.m[0].e.ep = s; + if(mp != 0) + _renewmatch(mp, ms, &tlp->se); + break; + } + break; + } + } + checkstart = startchar && nl->inst==0; + s += n; + }while(r); + return match; +} + +extern int +regexec(Reprog *progp, /* program to run */ + char *bol, /* string to run machine on */ + Resub *mp, /* subexpression elements */ + int ms) /* number of elements at mp */ +{ + char *starts; /* where to start match */ + char *eol; /* where to end match */ + wchar_t startchar; + int rv; + + /* + * use user-specified starting/ending location if specified + */ + starts = bol; + eol = 0; + if(mp && ms>0){ + if(mp->s.sp) + starts = mp->s.sp; + if(mp->e.ep) + eol = mp->e.ep; + } + startchar = (progp->startinst->type == RUNE && progp->startinst->r.r < Runeself) + ? progp->startinst->r.r : 0; + + /* keep trying till we have enough list space to terminate */ + for(;;){ + if(_relist[0] == 0){ + _relist[0] = malloc(2*_relistsize*sizeof(Relist)); + _relist[1] = _relist[0] + _relistsize; + _reliste[0] = _relist[0] + _relistsize - 1; + _reliste[1] = _relist[1] + _relistsize - 1; + if(_relist[0] == 0) + regerror("_relist overflow"); + } + rv = regexec1(progp, bol, mp, ms, starts, eol, startchar); + if(rv >= 0) + return rv; + free(_relist[0]); + _relist[0] = 0; + _relistsize += LISTINCREMENT; + } +} diff --git a/sys/src/ape/lib/regexp/regsub.c b/sys/src/ape/lib/regexp/regsub.c new file mode 100755 index 000000000..0c891e9c6 --- /dev/null +++ b/sys/src/ape/lib/regexp/regsub.c @@ -0,0 +1,64 @@ +#include <stdlib.h> +#include <stdio.h> +#include "regexp.h" + +/* substitute into one string using the matches from the last regexec() */ +extern void +regsub(char *sp, /* source string */ + char *dp, /* destination string */ + int dlen, + Resub *mp, /* subexpression elements */ + int ms) /* number of elements pointed to by mp */ +{ + char *ssp, *ep; + int i; + + ep = dp+dlen-1; + while(*sp != '\0'){ + if(*sp == '\\'){ + switch(*++sp){ + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + i = *sp-'0'; + if(mp[i].s.sp != 0 && mp!=0 && ms>i) + for(ssp = mp[i].s.sp; + ssp < mp[i].e.ep; + ssp++) + if(dp < ep) + *dp++ = *ssp; + break; + case '\\': + if(dp < ep) + *dp++ = '\\'; + break; + case '\0': + sp--; + break; + default: + if(dp < ep) + *dp++ = *sp; + break; + } + }else if(*sp == '&'){ + if(mp[0].s.sp != 0 && mp!=0 && ms>0) + if(mp[0].s.sp != 0) + for(ssp = mp[0].s.sp; + ssp < mp[0].e.ep; ssp++) + if(dp < ep) + *dp++ = *ssp; + }else{ + if(dp < ep) + *dp++ = *sp; + } + sp++; + } + *dp = '\0'; +} diff --git a/sys/src/ape/lib/regexp/rregexec.c b/sys/src/ape/lib/regexp/rregexec.c new file mode 100755 index 000000000..519ac25ad --- /dev/null +++ b/sys/src/ape/lib/regexp/rregexec.c @@ -0,0 +1,181 @@ +#include <stdlib.h> +#include <stdio.h> +#include "regexp.h" +#include "regcomp.h" + +static Resublist sempty; /* empty set of matches */ + +/* + * return 0 if no match + * >0 if a match + * <0 if we ran out of _relist space + */ +static int +rregexec1(Reprog *progp, /* program to run */ + wchar_t *bol, /* string to run machine on */ + Resub *mp, /* subexpression elements */ + int ms, /* number of elements at mp */ + wchar_t *starts, + wchar_t *eol, + wchar_t startchar) +{ + int flag=0; + Reinst *inst; + Relist *tlp; + wchar_t *s; + int i, checkstart; + wchar_t r, *rp, *ep; + int n; + Relist* tl; /* This list, next list */ + Relist* nl; + Relist* tle; /* ends of this and next list */ + Relist* nle; + int match; + + match = 0; + checkstart = startchar; + sempty.m[0].s.rsp = 0; + if(mp!=0) + for(i=0; i<ms; i++) + mp[i].s.rsp = mp[i].e.rep = 0; + _relist[0][0].inst = _relist[1][0].inst = 0; + + /* Execute machine once for each character, including terminal NUL */ + s = starts; + do{ + r = *s; + + /* fast check for first char */ + if(checkstart && r!=startchar){ + s++; + continue; + } + + /* switch run lists */ + tl = _relist[flag]; + tle = _reliste[flag]; + nl = _relist[flag^=1]; + nle = _reliste[flag]; + nl->inst = 0; + + /* Add first instruction to current list */ + sempty.m[0].s.rsp = s; + _renewthread(tl, progp->startinst, &sempty); + + /* Execute machine until current list is empty */ + for(tlp=tl; tlp->inst; tlp++){ /* assignment = */ + if(s == eol) + break; + + for(inst=tlp->inst; ; inst = inst->l.next){ + switch(inst->type){ + case RUNE: /* regular character */ + if(inst->r.r == r) + if(_renewthread(nl, inst->l.next, &tlp->se)==nle) + return -1; + break; + case LBRA: + tlp->se.m[inst->r.subid].s.rsp = s; + continue; + case RBRA: + tlp->se.m[inst->r.subid].e.rep = s; + continue; + case ANY: + if(r != '\n') + if(_renewthread(nl, inst->l.next, &tlp->se)==nle) + return -1; + break; + case ANYNL: + if(_renewthread(nl, inst->l.next, &tlp->se)==nle) + return -1; + break; + case BOL: + if(s == bol || *(s-1) == '\n') + continue; + break; + case EOL: + if(r == 0 || r == '\n') + continue; + break; + case CCLASS: + ep = inst->r.cp->end; + for(rp = inst->r.cp->spans; rp < ep; rp += 2) + if(r >= rp[0] && r <= rp[1]){ + if(_renewthread(nl, inst->l.next, &tlp->se)==nle) + return -1; + break; + } + break; + case NCCLASS: + ep = inst->r.cp->end; + for(rp = inst->r.cp->spans; rp < ep; rp += 2) + if(r >= rp[0] && r <= rp[1]) + break; + if(rp == ep) + if(_renewthread(nl, inst->l.next, &tlp->se)==nle) + return -1; + break; + case OR: + /* evaluate right choice later */ + if(_renewthread(tlp, inst->r.right, &tlp->se) == tle) + return -1; + /* efficiency: advance and re-evaluate */ + continue; + case END: /* Match! */ + match = 1; + tlp->se.m[0].e.rep = s; + if(mp != 0) + _renewmatch(mp, ms, &tlp->se); + break; + } + break; + } + } + checkstart = startchar && nl->inst==0; + s++; + }while(r); + return match; +} + +extern int +rregexec(Reprog *progp, /* program to run */ + wchar_t *bol, /* string to run machine on */ + Resub *mp, /* subexpression elements */ + int ms) /* number of elements at mp */ +{ + wchar_t *starts; /* where to start match */ + wchar_t *eol; /* where to end match */ + wchar_t startchar; + int rv; + + /* + * use user-specified starting/ending location if specified + */ + starts = bol; + eol = 0; + if(mp && ms>0){ + if(mp->s.rsp) + starts = mp->s.rsp; + if(mp->e.rep) + eol = mp->e.rep; + } + startchar = progp->startinst->type == RUNE ? progp->startinst->r.r : 0; + + /* keep trying till we have enough list space to terminate */ + for(;;){ + if(_relist[0] == 0){ + _relist[0] = malloc(2*_relistsize*sizeof(Relist)); + _relist[1] = _relist[0] + _relistsize; + _reliste[0] = _relist[0] + _relistsize - 1; + _reliste[1] = _relist[1] + _relistsize - 1; + if(_relist[0] == 0) + regerror("_relist overflow"); + } + rv = rregexec1(progp, bol, mp, ms, starts, eol, startchar); + if(rv >= 0) + return rv; + free(_relist[0]); + _relist[0] = 0; + _relistsize += LISTINCREMENT; + } +} diff --git a/sys/src/ape/lib/regexp/rregsub.c b/sys/src/ape/lib/regexp/rregsub.c new file mode 100755 index 000000000..5fc3e5960 --- /dev/null +++ b/sys/src/ape/lib/regexp/rregsub.c @@ -0,0 +1,64 @@ +#include <stdlib.h> +#include <stdio.h> +#include "regexp.h" + +/* substitute into one string using the matches from the last regexec() */ +extern void +rregsub(wchar_t *sp, /* source string */ + wchar_t *dp, /* destination string */ + int dlen, + Resub *mp, /* subexpression elements */ + int ms) /* number of elements pointed to by mp */ +{ + wchar_t *ssp, *ep; + int i; + + ep = dp+(dlen/sizeof(wchar_t))-1; + while(*sp != '\0'){ + if(*sp == '\\'){ + switch(*++sp){ + case '0': + case '1': + case '2': + case '3': + case '4': + case '5': + case '6': + case '7': + case '8': + case '9': + i = *sp-'0'; + if(mp[i].s.rsp != 0 && mp!=0 && ms>i) + for(ssp = mp[i].s.rsp; + ssp < mp[i].e.rep; + ssp++) + if(dp < ep) + *dp++ = *ssp; + break; + case '\\': + if(dp < ep) + *dp++ = '\\'; + break; + case '\0': + sp--; + break; + default: + if(dp < ep) + *dp++ = *sp; + break; + } + }else if(*sp == '&'){ + if(mp[0].s.rsp != 0 && mp!=0 && ms>0) + if(mp[0].s.rsp != 0) + for(ssp = mp[0].s.rsp; + ssp < mp[0].e.rep; ssp++) + if(dp < ep) + *dp++ = *ssp; + }else{ + if(dp < ep) + *dp++ = *sp; + } + sp++; + } + *dp = '\0'; +} diff --git a/sys/src/ape/lib/utf/lib9.h b/sys/src/ape/lib/utf/lib9.h new file mode 100755 index 000000000..e6128ae4d --- /dev/null +++ b/sys/src/ape/lib/utf/lib9.h @@ -0,0 +1,17 @@ +#include <string.h> +#include "utf.h" + +#define nil ((void*)0) + +#define uchar _fmtuchar +#define ushort _fmtushort +#define uint _fmtuint +#define ulong _fmtulong +#define vlong _fmtvlong +#define uvlong _fmtuvlong + +typedef unsigned char uchar; +typedef unsigned short ushort; +typedef unsigned int uint; +typedef unsigned long ulong; + diff --git a/sys/src/ape/lib/utf/mkfile b/sys/src/ape/lib/utf/mkfile new file mode 100755 index 000000000..8cbca19cd --- /dev/null +++ b/sys/src/ape/lib/utf/mkfile @@ -0,0 +1,37 @@ +APE=/sys/src/ape +<$APE/config + +LIB=/$objtype/lib/ape/libutf.a + +OFILES=\ + rune.$O\ + runestrcat.$O\ + runestrchr.$O\ + runestrcmp.$O\ + runestrcpy.$O\ + runestrdup.$O\ + runestrlen.$O\ + runestrecpy.$O\ + runestrncat.$O\ + runestrncmp.$O\ + runestrncpy.$O\ + runestrrchr.$O\ + runestrstr.$O\ + runetype.$O\ + utfecpy.$O\ + utflen.$O\ + utfnlen.$O\ + utfrrune.$O\ + utfrune.$O\ + utfutf.$O\ + +HFILES=\ + /sys/include/ape/utf.h\ + +UPDATE=\ + mkfile\ + ${OFILES:%.$O=%.c}\ + +</sys/src/cmd/mksyslib + +CFLAGS=-c -D_POSIX_SOURCE -D_PLAN9_SOURCE -D_BSD_EXTENSION diff --git a/sys/src/ape/lib/utf/rune.c b/sys/src/ape/lib/utf/rune.c new file mode 100755 index 000000000..e1aaa9be9 --- /dev/null +++ b/sys/src/ape/lib/utf/rune.c @@ -0,0 +1,177 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +enum +{ + Bit1 = 7, + Bitx = 6, + Bit2 = 5, + Bit3 = 4, + Bit4 = 3, + + T1 = ((1<<(Bit1+1))-1) ^ 0xFF, /* 0000 0000 */ + Tx = ((1<<(Bitx+1))-1) ^ 0xFF, /* 1000 0000 */ + T2 = ((1<<(Bit2+1))-1) ^ 0xFF, /* 1100 0000 */ + T3 = ((1<<(Bit3+1))-1) ^ 0xFF, /* 1110 0000 */ + T4 = ((1<<(Bit4+1))-1) ^ 0xFF, /* 1111 0000 */ + + Rune1 = (1<<(Bit1+0*Bitx))-1, /* 0000 0000 0111 1111 */ + Rune2 = (1<<(Bit2+1*Bitx))-1, /* 0000 0111 1111 1111 */ + Rune3 = (1<<(Bit3+2*Bitx))-1, /* 1111 1111 1111 1111 */ + + Maskx = (1<<Bitx)-1, /* 0011 1111 */ + Testx = Maskx ^ 0xFF, /* 1100 0000 */ + + Bad = Runeerror, +}; + +int +chartorune(Rune *rune, char *str) +{ + int c, c1, c2; + long l; + + /* + * one character sequence + * 00000-0007F => T1 + */ + c = *(uchar*)str; + if(c < Tx) { + *rune = c; + return 1; + } + + /* + * two character sequence + * 0080-07FF => T2 Tx + */ + c1 = *(uchar*)(str+1) ^ Tx; + if(c1 & Testx) + goto bad; + if(c < T3) { + if(c < T2) + goto bad; + l = ((c << Bitx) | c1) & Rune2; + if(l <= Rune1) + goto bad; + *rune = l; + return 2; + } + + /* + * three character sequence + * 0800-FFFF => T3 Tx Tx + */ + c2 = *(uchar*)(str+2) ^ Tx; + if(c2 & Testx) + goto bad; + if(c < T4) { + l = ((((c << Bitx) | c1) << Bitx) | c2) & Rune3; + if(l <= Rune2) + goto bad; + *rune = l; + return 3; + } + + /* + * bad decoding + */ +bad: + *rune = Bad; + return 1; +} + +int +runetochar(char *str, Rune *rune) +{ + long c; + + /* + * one character sequence + * 00000-0007F => 00-7F + */ + c = *rune; + if(c <= Rune1) { + str[0] = c; + return 1; + } + + /* + * two character sequence + * 0080-07FF => T2 Tx + */ + if(c <= Rune2) { + str[0] = T2 | (c >> 1*Bitx); + str[1] = Tx | (c & Maskx); + return 2; + } + + /* + * three character sequence + * 0800-FFFF => T3 Tx Tx + */ + str[0] = T3 | (c >> 2*Bitx); + str[1] = Tx | ((c >> 1*Bitx) & Maskx); + str[2] = Tx | (c & Maskx); + return 3; +} + +int +runelen(long c) +{ + Rune rune; + char str[10]; + + rune = c; + return runetochar(str, &rune); +} + +int +runenlen(Rune *r, int nrune) +{ + int nb, c; + + nb = 0; + while(nrune--) { + c = *r++; + if(c <= Rune1) + nb++; + else + if(c <= Rune2) + nb += 2; + else + nb += 3; + } + return nb; +} + +int +fullrune(char *str, int n) +{ + int c; + + if(n > 0) { + c = *(uchar*)str; + if(c < Tx) + return 1; + if(n > 1) + if(c < T3 || n > 2) + return 1; + } + return 0; +} diff --git a/sys/src/ape/lib/utf/runestrcat.c b/sys/src/ape/lib/utf/runestrcat.c new file mode 100755 index 000000000..e1e8c9d57 --- /dev/null +++ b/sys/src/ape/lib/utf/runestrcat.c @@ -0,0 +1,25 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +Rune* +runestrcat(Rune *s1, Rune *s2) +{ + + runestrcpy(runestrchr(s1, 0), s2); + return s1; +} diff --git a/sys/src/ape/lib/utf/runestrchr.c b/sys/src/ape/lib/utf/runestrchr.c new file mode 100755 index 000000000..45ee673a5 --- /dev/null +++ b/sys/src/ape/lib/utf/runestrchr.c @@ -0,0 +1,35 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +Rune* +runestrchr(Rune *s, Rune c) +{ + Rune c0 = c; + Rune c1; + + if(c == 0) { + while(*s++) + ; + return s-1; + } + + while(c1 = *s++) + if(c1 == c0) + return s-1; + return 0; +} diff --git a/sys/src/ape/lib/utf/runestrcmp.c b/sys/src/ape/lib/utf/runestrcmp.c new file mode 100755 index 000000000..d14145f38 --- /dev/null +++ b/sys/src/ape/lib/utf/runestrcmp.c @@ -0,0 +1,35 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +int +runestrcmp(Rune *s1, Rune *s2) +{ + Rune c1, c2; + + for(;;) { + c1 = *s1++; + c2 = *s2++; + if(c1 != c2) { + if(c1 > c2) + return 1; + return -1; + } + if(c1 == 0) + return 0; + } +} diff --git a/sys/src/ape/lib/utf/runestrcpy.c b/sys/src/ape/lib/utf/runestrcpy.c new file mode 100755 index 000000000..9d7aa026a --- /dev/null +++ b/sys/src/ape/lib/utf/runestrcpy.c @@ -0,0 +1,28 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +Rune* +runestrcpy(Rune *s1, Rune *s2) +{ + Rune *os1; + + os1 = s1; + while(*s1++ = *s2++) + ; + return os1; +} diff --git a/sys/src/ape/lib/utf/runestrdup.c b/sys/src/ape/lib/utf/runestrdup.c new file mode 100755 index 000000000..97a889c8f --- /dev/null +++ b/sys/src/ape/lib/utf/runestrdup.c @@ -0,0 +1,30 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include <stdlib.h> +#include "utf.h" +#include "utfdef.h" + +Rune* +runestrdup(Rune *s) +{ + Rune *ns; + + ns = malloc(sizeof(Rune)*(runestrlen(s) + 1)); + if(ns == 0) + return 0; + + return runestrcpy(ns, s); +} diff --git a/sys/src/ape/lib/utf/runestrecpy.c b/sys/src/ape/lib/utf/runestrecpy.c new file mode 100755 index 000000000..f3e4a096b --- /dev/null +++ b/sys/src/ape/lib/utf/runestrecpy.c @@ -0,0 +1,32 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +Rune* +runestrecpy(Rune *s1, Rune *es1, Rune *s2) +{ + if(s1 >= es1) + return s1; + + while(*s1++ = *s2++){ + if(s1 == es1){ + *--s1 = '\0'; + break; + } + } + return s1; +} diff --git a/sys/src/ape/lib/utf/runestrlen.c b/sys/src/ape/lib/utf/runestrlen.c new file mode 100755 index 000000000..bca3050c5 --- /dev/null +++ b/sys/src/ape/lib/utf/runestrlen.c @@ -0,0 +1,24 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +long +runestrlen(Rune *s) +{ + + return runestrchr(s, 0) - s; +} diff --git a/sys/src/ape/lib/utf/runestrncat.c b/sys/src/ape/lib/utf/runestrncat.c new file mode 100755 index 000000000..74400c30e --- /dev/null +++ b/sys/src/ape/lib/utf/runestrncat.c @@ -0,0 +1,32 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +Rune* +runestrncat(Rune *s1, Rune *s2, long n) +{ + Rune *os1; + + os1 = s1; + s1 = runestrchr(s1, 0); + while(*s1++ = *s2++) + if(--n < 0) { + s1[-1] = 0; + break; + } + return os1; +} diff --git a/sys/src/ape/lib/utf/runestrncmp.c b/sys/src/ape/lib/utf/runestrncmp.c new file mode 100755 index 000000000..dbd9da45c --- /dev/null +++ b/sys/src/ape/lib/utf/runestrncmp.c @@ -0,0 +1,37 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +int +runestrncmp(Rune *s1, Rune *s2, long n) +{ + Rune c1, c2; + + while(n > 0) { + c1 = *s1++; + c2 = *s2++; + n--; + if(c1 != c2) { + if(c1 > c2) + return 1; + return -1; + } + if(c1 == 0) + break; + } + return 0; +} diff --git a/sys/src/ape/lib/utf/runestrncpy.c b/sys/src/ape/lib/utf/runestrncpy.c new file mode 100755 index 000000000..acba7bc2b --- /dev/null +++ b/sys/src/ape/lib/utf/runestrncpy.c @@ -0,0 +1,33 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +Rune* +runestrncpy(Rune *s1, Rune *s2, long n) +{ + int i; + Rune *os1; + + os1 = s1; + for(i = 0; i < n; i++) + if((*s1++ = *s2++) == 0) { + while(++i < n) + *s1++ = 0; + return os1; + } + return os1; +} diff --git a/sys/src/ape/lib/utf/runestrrchr.c b/sys/src/ape/lib/utf/runestrrchr.c new file mode 100755 index 000000000..1f40c5a65 --- /dev/null +++ b/sys/src/ape/lib/utf/runestrrchr.c @@ -0,0 +1,30 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +Rune* +runestrrchr(Rune *s, Rune c) +{ + Rune *r; + + if(c == 0) + return runestrchr(s, 0); + r = 0; + while(s = runestrchr(s, c)) + r = s++; + return r; +} diff --git a/sys/src/ape/lib/utf/runestrstr.c b/sys/src/ape/lib/utf/runestrstr.c new file mode 100755 index 000000000..48583a3d5 --- /dev/null +++ b/sys/src/ape/lib/utf/runestrstr.c @@ -0,0 +1,44 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +/* + * Return pointer to first occurrence of s2 in s1, + * 0 if none + */ +Rune* +runestrstr(Rune *s1, Rune *s2) +{ + Rune *p, *pa, *pb; + int c0, c; + + c0 = *s2; + if(c0 == 0) + return s1; + s2++; + for(p=runestrchr(s1, c0); p; p=runestrchr(p+1, c0)) { + pa = p; + for(pb=s2;; pb++) { + c = *pb; + if(c == 0) + return p; + if(c != *++pa) + break; + } + } + return 0; +} diff --git a/sys/src/ape/lib/utf/runetype.c b/sys/src/ape/lib/utf/runetype.c new file mode 100755 index 000000000..ffae30e69 --- /dev/null +++ b/sys/src/ape/lib/utf/runetype.c @@ -0,0 +1,1152 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +/* + * alpha ranges - + * only covers ranges not in lower||upper + */ +static +Rune __alpha2[] = +{ + 0x00d8, 0x00f6, /* Ø - ö */ + 0x00f8, 0x01f5, /* ø - ǵ */ + 0x0250, 0x02a8, /* ɐ - ʨ */ + 0x038e, 0x03a1, /* Ύ - Ρ */ + 0x03a3, 0x03ce, /* Σ - ώ */ + 0x03d0, 0x03d6, /* ϐ - ϖ */ + 0x03e2, 0x03f3, /* Ϣ - ϳ */ + 0x0490, 0x04c4, /* Ґ - ӄ */ + 0x0561, 0x0587, /* ա - և */ + 0x05d0, 0x05ea, /* א - ת */ + 0x05f0, 0x05f2, /* װ - ײ */ + 0x0621, 0x063a, /* ء - غ */ + 0x0640, 0x064a, /* ـ - ي */ + 0x0671, 0x06b7, /* ٱ - ڷ */ + 0x06ba, 0x06be, /* ں - ھ */ + 0x06c0, 0x06ce, /* ۀ - ێ */ + 0x06d0, 0x06d3, /* ې - ۓ */ + 0x0905, 0x0939, /* अ - ह */ + 0x0958, 0x0961, /* क़ - ॡ */ + 0x0985, 0x098c, /* অ - ঌ */ + 0x098f, 0x0990, /* এ - ঐ */ + 0x0993, 0x09a8, /* ও - ন */ + 0x09aa, 0x09b0, /* প - র */ + 0x09b6, 0x09b9, /* শ - হ */ + 0x09dc, 0x09dd, /* ড় - ঢ় */ + 0x09df, 0x09e1, /* য় - ৡ */ + 0x09f0, 0x09f1, /* ৰ - ৱ */ + 0x0a05, 0x0a0a, /* ਅ - ਊ */ + 0x0a0f, 0x0a10, /* ਏ - ਐ */ + 0x0a13, 0x0a28, /* ਓ - ਨ */ + 0x0a2a, 0x0a30, /* ਪ - ਰ */ + 0x0a32, 0x0a33, /* ਲ - ਲ਼ */ + 0x0a35, 0x0a36, /* ਵ - ਸ਼ */ + 0x0a38, 0x0a39, /* ਸ - ਹ */ + 0x0a59, 0x0a5c, /* ਖ਼ - ੜ */ + 0x0a85, 0x0a8b, /* અ - ઋ */ + 0x0a8f, 0x0a91, /* એ - ઑ */ + 0x0a93, 0x0aa8, /* ઓ - ન */ + 0x0aaa, 0x0ab0, /* પ - ર */ + 0x0ab2, 0x0ab3, /* લ - ળ */ + 0x0ab5, 0x0ab9, /* વ - હ */ + 0x0b05, 0x0b0c, /* ଅ - ଌ */ + 0x0b0f, 0x0b10, /* ଏ - ଐ */ + 0x0b13, 0x0b28, /* ଓ - ନ */ + 0x0b2a, 0x0b30, /* ପ - ର */ + 0x0b32, 0x0b33, /* ଲ - ଳ */ + 0x0b36, 0x0b39, /* ଶ - ହ */ + 0x0b5c, 0x0b5d, /* ଡ଼ - ଢ଼ */ + 0x0b5f, 0x0b61, /* ୟ - ୡ */ + 0x0b85, 0x0b8a, /* அ - ஊ */ + 0x0b8e, 0x0b90, /* எ - ஐ */ + 0x0b92, 0x0b95, /* ஒ - க */ + 0x0b99, 0x0b9a, /* ங - ச */ + 0x0b9e, 0x0b9f, /* ஞ - ட */ + 0x0ba3, 0x0ba4, /* ண - த */ + 0x0ba8, 0x0baa, /* ந - ப */ + 0x0bae, 0x0bb5, /* ம - வ */ + 0x0bb7, 0x0bb9, /* ஷ - ஹ */ + 0x0c05, 0x0c0c, /* అ - ఌ */ + 0x0c0e, 0x0c10, /* ఎ - ఐ */ + 0x0c12, 0x0c28, /* ఒ - న */ + 0x0c2a, 0x0c33, /* ప - ళ */ + 0x0c35, 0x0c39, /* వ - హ */ + 0x0c60, 0x0c61, /* ౠ - ౡ */ + 0x0c85, 0x0c8c, /* ಅ - ಌ */ + 0x0c8e, 0x0c90, /* ಎ - ಐ */ + 0x0c92, 0x0ca8, /* ಒ - ನ */ + 0x0caa, 0x0cb3, /* ಪ - ಳ */ + 0x0cb5, 0x0cb9, /* ವ - ಹ */ + 0x0ce0, 0x0ce1, /* ೠ - ೡ */ + 0x0d05, 0x0d0c, /* അ - ഌ */ + 0x0d0e, 0x0d10, /* എ - ഐ */ + 0x0d12, 0x0d28, /* ഒ - ന */ + 0x0d2a, 0x0d39, /* പ - ഹ */ + 0x0d60, 0x0d61, /* ൠ - ൡ */ + 0x0e01, 0x0e30, /* ก - ะ */ + 0x0e32, 0x0e33, /* า - ำ */ + 0x0e40, 0x0e46, /* เ - ๆ */ + 0x0e5a, 0x0e5b, /* ๚ - ๛ */ + 0x0e81, 0x0e82, /* ກ - ຂ */ + 0x0e87, 0x0e88, /* ງ - ຈ */ + 0x0e94, 0x0e97, /* ດ - ທ */ + 0x0e99, 0x0e9f, /* ນ - ຟ */ + 0x0ea1, 0x0ea3, /* ມ - ຣ */ + 0x0eaa, 0x0eab, /* ສ - ຫ */ + 0x0ead, 0x0eae, /* ອ - ຮ */ + 0x0eb2, 0x0eb3, /* າ - ຳ */ + 0x0ec0, 0x0ec4, /* ເ - ໄ */ + 0x0edc, 0x0edd, /* ໜ - ໝ */ + 0x0f18, 0x0f19, /* ༘ - ༙ */ + 0x0f40, 0x0f47, /* ཀ - ཇ */ + 0x0f49, 0x0f69, /* ཉ - ཀྵ */ + 0x10d0, 0x10f6, /* ა - ჶ */ + 0x1100, 0x1159, /* ᄀ - ᅙ */ + 0x115f, 0x11a2, /* ᅟ - ᆢ */ + 0x11a8, 0x11f9, /* ᆨ - ᇹ */ + 0x1e00, 0x1e9b, /* Ḁ - ẛ */ + 0x1f50, 0x1f57, /* ὐ - ὗ */ + 0x1f80, 0x1fb4, /* ᾀ - ᾴ */ + 0x1fb6, 0x1fbc, /* ᾶ - ᾼ */ + 0x1fc2, 0x1fc4, /* ῂ - ῄ */ + 0x1fc6, 0x1fcc, /* ῆ - ῌ */ + 0x1fd0, 0x1fd3, /* ῐ - ΐ */ + 0x1fd6, 0x1fdb, /* ῖ - Ί */ + 0x1fe0, 0x1fec, /* ῠ - Ῥ */ + 0x1ff2, 0x1ff4, /* ῲ - ῴ */ + 0x1ff6, 0x1ffc, /* ῶ - ῼ */ + 0x210a, 0x2113, /* ℊ - ℓ */ + 0x2115, 0x211d, /* ℕ - ℝ */ + 0x2120, 0x2122, /* ℠ - ™ */ + 0x212a, 0x2131, /* K - ℱ */ + 0x2133, 0x2138, /* ℳ - ℸ */ + 0x3041, 0x3094, /* ぁ - ゔ */ + 0x30a1, 0x30fa, /* ァ - ヺ */ + 0x3105, 0x312c, /* ㄅ - ㄬ */ + 0x3131, 0x318e, /* ㄱ - ㆎ */ + 0x3192, 0x319f, /* ㆒ - ㆟ */ + 0x3260, 0x327b, /* ㉠ - ㉻ */ + 0x328a, 0x32b0, /* ㊊ - ㊰ */ + 0x32d0, 0x32fe, /* ㋐ - ㋾ */ + 0x3300, 0x3357, /* ㌀ - ㍗ */ + 0x3371, 0x3376, /* ㍱ - ㍶ */ + 0x337b, 0x3394, /* ㍻ - ㎔ */ + 0x3399, 0x339e, /* ㎙ - ㎞ */ + 0x33a9, 0x33ad, /* ㎩ - ㎭ */ + 0x33b0, 0x33c1, /* ㎰ - ㏁ */ + 0x33c3, 0x33c5, /* ㏃ - ㏅ */ + 0x33c7, 0x33d7, /* ㏇ - ㏗ */ + 0x33d9, 0x33dd, /* ㏙ - ㏝ */ + 0x4e00, 0x9fff, /* 一 - 鿿 */ + 0xac00, 0xd7a3, /* 가 - 힣 */ + 0xf900, 0xfb06, /* 豈 - st */ + 0xfb13, 0xfb17, /* ﬓ - ﬗ */ + 0xfb1f, 0xfb28, /* ײַ - ﬨ */ + 0xfb2a, 0xfb36, /* שׁ - זּ */ + 0xfb38, 0xfb3c, /* טּ - לּ */ + 0xfb40, 0xfb41, /* נּ - סּ */ + 0xfb43, 0xfb44, /* ףּ - פּ */ + 0xfb46, 0xfbb1, /* צּ - ﮱ */ + 0xfbd3, 0xfd3d, /* ﯓ - ﴽ */ + 0xfd50, 0xfd8f, /* ﵐ - ﶏ */ + 0xfd92, 0xfdc7, /* ﶒ - ﷇ */ + 0xfdf0, 0xfdf9, /* ﷰ - ﷹ */ + 0xfe70, 0xfe72, /* ﹰ - ﹲ */ + 0xfe76, 0xfefc, /* ﹶ - ﻼ */ + 0xff66, 0xff6f, /* ヲ - ッ */ + 0xff71, 0xff9d, /* ア - ン */ + 0xffa0, 0xffbe, /* ᅠ - ᄒ */ + 0xffc2, 0xffc7, /* ᅡ - ᅦ */ + 0xffca, 0xffcf, /* ᅧ - ᅬ */ + 0xffd2, 0xffd7, /* ᅭ - ᅲ */ + 0xffda, 0xffdc, /* ᅳ - ᅵ */ +}; + +/* + * alpha singlets - + * only covers ranges not in lower||upper + */ +static +Rune __alpha1[] = +{ + 0x00aa, /* ª */ + 0x00b5, /* µ */ + 0x00ba, /* º */ + 0x03da, /* Ϛ */ + 0x03dc, /* Ϝ */ + 0x03de, /* Ϟ */ + 0x03e0, /* Ϡ */ + 0x06d5, /* ە */ + 0x09b2, /* ল */ + 0x0a5e, /* ਫ਼ */ + 0x0a8d, /* ઍ */ + 0x0ae0, /* ૠ */ + 0x0b9c, /* ஜ */ + 0x0cde, /* ೞ */ + 0x0e4f, /* ๏ */ + 0x0e84, /* ຄ */ + 0x0e8a, /* ຊ */ + 0x0e8d, /* ຍ */ + 0x0ea5, /* ລ */ + 0x0ea7, /* ວ */ + 0x0eb0, /* ະ */ + 0x0ebd, /* ຽ */ + 0x1fbe, /* ι */ + 0x207f, /* ⁿ */ + 0x20a8, /* ₨ */ + 0x2102, /* ℂ */ + 0x2107, /* ℇ */ + 0x2124, /* ℤ */ + 0x2126, /* Ω */ + 0x2128, /* ℨ */ + 0xfb3e, /* מּ */ + 0xfe74, /* ﹴ */ +}; + +/* + * space ranges + */ +static +Rune __space2[] = +{ + 0x0009, 0x000a, /* tab and newline */ + 0x0020, 0x0020, /* space */ + 0x00a0, 0x00a0, /* */ + 0x2000, 0x200b, /* - */ + 0x2028, 0x2029, /*
-
*/ + 0x3000, 0x3000, /* */ + 0xfeff, 0xfeff, /* */ +}; + +/* + * lower case ranges + * 3rd col is conversion excess 500 + */ +static +Rune __toupper2[] = +{ + 0x0061, 0x007a, 468, /* a-z A-Z */ + 0x00e0, 0x00f6, 468, /* à-ö À-Ö */ + 0x00f8, 0x00fe, 468, /* ø-þ Ø-Þ */ + 0x0256, 0x0257, 295, /* ɖ-ɗ Ɖ-Ɗ */ + 0x0258, 0x0259, 298, /* ɘ-ə Ǝ-Ə */ + 0x028a, 0x028b, 283, /* ʊ-ʋ Ʊ-Ʋ */ + 0x03ad, 0x03af, 463, /* έ-ί Έ-Ί */ + 0x03b1, 0x03c1, 468, /* α-ρ Α-Ρ */ + 0x03c3, 0x03cb, 468, /* σ-ϋ Σ-Ϋ */ + 0x03cd, 0x03ce, 437, /* ύ-ώ Ύ-Ώ */ + 0x0430, 0x044f, 468, /* а-я А-Я */ + 0x0451, 0x045c, 420, /* ё-ќ Ё-Ќ */ + 0x045e, 0x045f, 420, /* ў-џ Ў-Џ */ + 0x0561, 0x0586, 452, /* ա-ֆ Ա-Ֆ */ + 0x1f00, 0x1f07, 508, /* ἀ-ἇ Ἀ-Ἇ */ + 0x1f10, 0x1f15, 508, /* ἐ-ἕ Ἐ-Ἕ */ + 0x1f20, 0x1f27, 508, /* ἠ-ἧ Ἠ-Ἧ */ + 0x1f30, 0x1f37, 508, /* ἰ-ἷ Ἰ-Ἷ */ + 0x1f40, 0x1f45, 508, /* ὀ-ὅ Ὀ-Ὅ */ + 0x1f60, 0x1f67, 508, /* ὠ-ὧ Ὠ-Ὧ */ + 0x1f70, 0x1f71, 574, /* ὰ-ά Ὰ-Ά */ + 0x1f72, 0x1f75, 586, /* ὲ-ή Ὲ-Ή */ + 0x1f76, 0x1f77, 600, /* ὶ-ί Ὶ-Ί */ + 0x1f78, 0x1f79, 628, /* ὸ-ό Ὸ-Ό */ + 0x1f7a, 0x1f7b, 612, /* ὺ-ύ Ὺ-Ύ */ + 0x1f7c, 0x1f7d, 626, /* ὼ-ώ Ὼ-Ώ */ + 0x1f80, 0x1f87, 508, /* ᾀ-ᾇ ᾈ-ᾏ */ + 0x1f90, 0x1f97, 508, /* ᾐ-ᾗ ᾘ-ᾟ */ + 0x1fa0, 0x1fa7, 508, /* ᾠ-ᾧ ᾨ-ᾯ */ + 0x1fb0, 0x1fb1, 508, /* ᾰ-ᾱ Ᾰ-Ᾱ */ + 0x1fd0, 0x1fd1, 508, /* ῐ-ῑ Ῐ-Ῑ */ + 0x1fe0, 0x1fe1, 508, /* ῠ-ῡ Ῠ-Ῡ */ + 0x2170, 0x217f, 484, /* ⅰ-ⅿ Ⅰ-Ⅿ */ + 0x24d0, 0x24e9, 474, /* ⓐ-ⓩ Ⓐ-Ⓩ */ + 0xff41, 0xff5a, 468, /* a-z A-Z */ +}; + +/* + * lower case singlets + * 2nd col is conversion excess 500 + */ +static +Rune __toupper1[] = +{ + 0x00ff, 621, /* ÿ Ÿ */ + 0x0101, 499, /* ā Ā */ + 0x0103, 499, /* ă Ă */ + 0x0105, 499, /* ą Ą */ + 0x0107, 499, /* ć Ć */ + 0x0109, 499, /* ĉ Ĉ */ + 0x010b, 499, /* ċ Ċ */ + 0x010d, 499, /* č Č */ + 0x010f, 499, /* ď Ď */ + 0x0111, 499, /* đ Đ */ + 0x0113, 499, /* ē Ē */ + 0x0115, 499, /* ĕ Ĕ */ + 0x0117, 499, /* ė Ė */ + 0x0119, 499, /* ę Ę */ + 0x011b, 499, /* ě Ě */ + 0x011d, 499, /* ĝ Ĝ */ + 0x011f, 499, /* ğ Ğ */ + 0x0121, 499, /* ġ Ġ */ + 0x0123, 499, /* ģ Ģ */ + 0x0125, 499, /* ĥ Ĥ */ + 0x0127, 499, /* ħ Ħ */ + 0x0129, 499, /* ĩ Ĩ */ + 0x012b, 499, /* ī Ī */ + 0x012d, 499, /* ĭ Ĭ */ + 0x012f, 499, /* į Į */ + 0x0131, 268, /* ı I */ + 0x0133, 499, /* ij IJ */ + 0x0135, 499, /* ĵ Ĵ */ + 0x0137, 499, /* ķ Ķ */ + 0x013a, 499, /* ĺ Ĺ */ + 0x013c, 499, /* ļ Ļ */ + 0x013e, 499, /* ľ Ľ */ + 0x0140, 499, /* ŀ Ŀ */ + 0x0142, 499, /* ł Ł */ + 0x0144, 499, /* ń Ń */ + 0x0146, 499, /* ņ Ņ */ + 0x0148, 499, /* ň Ň */ + 0x014b, 499, /* ŋ Ŋ */ + 0x014d, 499, /* ō Ō */ + 0x014f, 499, /* ŏ Ŏ */ + 0x0151, 499, /* ő Ő */ + 0x0153, 499, /* œ Œ */ + 0x0155, 499, /* ŕ Ŕ */ + 0x0157, 499, /* ŗ Ŗ */ + 0x0159, 499, /* ř Ř */ + 0x015b, 499, /* ś Ś */ + 0x015d, 499, /* ŝ Ŝ */ + 0x015f, 499, /* ş Ş */ + 0x0161, 499, /* š Š */ + 0x0163, 499, /* ţ Ţ */ + 0x0165, 499, /* ť Ť */ + 0x0167, 499, /* ŧ Ŧ */ + 0x0169, 499, /* ũ Ũ */ + 0x016b, 499, /* ū Ū */ + 0x016d, 499, /* ŭ Ŭ */ + 0x016f, 499, /* ů Ů */ + 0x0171, 499, /* ű Ű */ + 0x0173, 499, /* ų Ų */ + 0x0175, 499, /* ŵ Ŵ */ + 0x0177, 499, /* ŷ Ŷ */ + 0x017a, 499, /* ź Ź */ + 0x017c, 499, /* ż Ż */ + 0x017e, 499, /* ž Ž */ + 0x017f, 200, /* ſ S */ + 0x0183, 499, /* ƃ Ƃ */ + 0x0185, 499, /* ƅ Ƅ */ + 0x0188, 499, /* ƈ Ƈ */ + 0x018c, 499, /* ƌ Ƌ */ + 0x0192, 499, /* ƒ Ƒ */ + 0x0199, 499, /* ƙ Ƙ */ + 0x01a1, 499, /* ơ Ơ */ + 0x01a3, 499, /* ƣ Ƣ */ + 0x01a5, 499, /* ƥ Ƥ */ + 0x01a8, 499, /* ƨ Ƨ */ + 0x01ad, 499, /* ƭ Ƭ */ + 0x01b0, 499, /* ư Ư */ + 0x01b4, 499, /* ƴ Ƴ */ + 0x01b6, 499, /* ƶ Ƶ */ + 0x01b9, 499, /* ƹ Ƹ */ + 0x01bd, 499, /* ƽ Ƽ */ + 0x01c5, 499, /* Dž DŽ */ + 0x01c6, 498, /* dž DŽ */ + 0x01c8, 499, /* Lj LJ */ + 0x01c9, 498, /* lj LJ */ + 0x01cb, 499, /* Nj NJ */ + 0x01cc, 498, /* nj NJ */ + 0x01ce, 499, /* ǎ Ǎ */ + 0x01d0, 499, /* ǐ Ǐ */ + 0x01d2, 499, /* ǒ Ǒ */ + 0x01d4, 499, /* ǔ Ǔ */ + 0x01d6, 499, /* ǖ Ǖ */ + 0x01d8, 499, /* ǘ Ǘ */ + 0x01da, 499, /* ǚ Ǚ */ + 0x01dc, 499, /* ǜ Ǜ */ + 0x01df, 499, /* ǟ Ǟ */ + 0x01e1, 499, /* ǡ Ǡ */ + 0x01e3, 499, /* ǣ Ǣ */ + 0x01e5, 499, /* ǥ Ǥ */ + 0x01e7, 499, /* ǧ Ǧ */ + 0x01e9, 499, /* ǩ Ǩ */ + 0x01eb, 499, /* ǫ Ǫ */ + 0x01ed, 499, /* ǭ Ǭ */ + 0x01ef, 499, /* ǯ Ǯ */ + 0x01f2, 499, /* Dz DZ */ + 0x01f3, 498, /* dz DZ */ + 0x01f5, 499, /* ǵ Ǵ */ + 0x01fb, 499, /* ǻ Ǻ */ + 0x01fd, 499, /* ǽ Ǽ */ + 0x01ff, 499, /* ǿ Ǿ */ + 0x0201, 499, /* ȁ Ȁ */ + 0x0203, 499, /* ȃ Ȃ */ + 0x0205, 499, /* ȅ Ȅ */ + 0x0207, 499, /* ȇ Ȇ */ + 0x0209, 499, /* ȉ Ȉ */ + 0x020b, 499, /* ȋ Ȋ */ + 0x020d, 499, /* ȍ Ȍ */ + 0x020f, 499, /* ȏ Ȏ */ + 0x0211, 499, /* ȑ Ȑ */ + 0x0213, 499, /* ȓ Ȓ */ + 0x0215, 499, /* ȕ Ȕ */ + 0x0217, 499, /* ȗ Ȗ */ + 0x0253, 290, /* ɓ Ɓ */ + 0x0254, 294, /* ɔ Ɔ */ + 0x025b, 297, /* ɛ Ɛ */ + 0x0260, 295, /* ɠ Ɠ */ + 0x0263, 293, /* ɣ Ɣ */ + 0x0268, 291, /* ɨ Ɨ */ + 0x0269, 289, /* ɩ Ɩ */ + 0x026f, 289, /* ɯ Ɯ */ + 0x0272, 287, /* ɲ Ɲ */ + 0x0283, 282, /* ʃ Ʃ */ + 0x0288, 282, /* ʈ Ʈ */ + 0x0292, 281, /* ʒ Ʒ */ + 0x03ac, 462, /* ά Ά */ + 0x03cc, 436, /* ό Ό */ + 0x03d0, 438, /* ϐ Β */ + 0x03d1, 443, /* ϑ Θ */ + 0x03d5, 453, /* ϕ Φ */ + 0x03d6, 446, /* ϖ Π */ + 0x03e3, 499, /* ϣ Ϣ */ + 0x03e5, 499, /* ϥ Ϥ */ + 0x03e7, 499, /* ϧ Ϧ */ + 0x03e9, 499, /* ϩ Ϩ */ + 0x03eb, 499, /* ϫ Ϫ */ + 0x03ed, 499, /* ϭ Ϭ */ + 0x03ef, 499, /* ϯ Ϯ */ + 0x03f0, 414, /* ϰ Κ */ + 0x03f1, 420, /* ϱ Ρ */ + 0x0461, 499, /* ѡ Ѡ */ + 0x0463, 499, /* ѣ Ѣ */ + 0x0465, 499, /* ѥ Ѥ */ + 0x0467, 499, /* ѧ Ѧ */ + 0x0469, 499, /* ѩ Ѩ */ + 0x046b, 499, /* ѫ Ѫ */ + 0x046d, 499, /* ѭ Ѭ */ + 0x046f, 499, /* ѯ Ѯ */ + 0x0471, 499, /* ѱ Ѱ */ + 0x0473, 499, /* ѳ Ѳ */ + 0x0475, 499, /* ѵ Ѵ */ + 0x0477, 499, /* ѷ Ѷ */ + 0x0479, 499, /* ѹ Ѹ */ + 0x047b, 499, /* ѻ Ѻ */ + 0x047d, 499, /* ѽ Ѽ */ + 0x047f, 499, /* ѿ Ѿ */ + 0x0481, 499, /* ҁ Ҁ */ + 0x0491, 499, /* ґ Ґ */ + 0x0493, 499, /* ғ Ғ */ + 0x0495, 499, /* ҕ Ҕ */ + 0x0497, 499, /* җ Җ */ + 0x0499, 499, /* ҙ Ҙ */ + 0x049b, 499, /* қ Қ */ + 0x049d, 499, /* ҝ Ҝ */ + 0x049f, 499, /* ҟ Ҟ */ + 0x04a1, 499, /* ҡ Ҡ */ + 0x04a3, 499, /* ң Ң */ + 0x04a5, 499, /* ҥ Ҥ */ + 0x04a7, 499, /* ҧ Ҧ */ + 0x04a9, 499, /* ҩ Ҩ */ + 0x04ab, 499, /* ҫ Ҫ */ + 0x04ad, 499, /* ҭ Ҭ */ + 0x04af, 499, /* ү Ү */ + 0x04b1, 499, /* ұ Ұ */ + 0x04b3, 499, /* ҳ Ҳ */ + 0x04b5, 499, /* ҵ Ҵ */ + 0x04b7, 499, /* ҷ Ҷ */ + 0x04b9, 499, /* ҹ Ҹ */ + 0x04bb, 499, /* һ Һ */ + 0x04bd, 499, /* ҽ Ҽ */ + 0x04bf, 499, /* ҿ Ҿ */ + 0x04c2, 499, /* ӂ Ӂ */ + 0x04c4, 499, /* ӄ Ӄ */ + 0x04c8, 499, /* ӈ Ӈ */ + 0x04cc, 499, /* ӌ Ӌ */ + 0x04d1, 499, /* ӑ Ӑ */ + 0x04d3, 499, /* ӓ Ӓ */ + 0x04d5, 499, /* ӕ Ӕ */ + 0x04d7, 499, /* ӗ Ӗ */ + 0x04d9, 499, /* ә Ә */ + 0x04db, 499, /* ӛ Ӛ */ + 0x04dd, 499, /* ӝ Ӝ */ + 0x04df, 499, /* ӟ Ӟ */ + 0x04e1, 499, /* ӡ Ӡ */ + 0x04e3, 499, /* ӣ Ӣ */ + 0x04e5, 499, /* ӥ Ӥ */ + 0x04e7, 499, /* ӧ Ӧ */ + 0x04e9, 499, /* ө Ө */ + 0x04eb, 499, /* ӫ Ӫ */ + 0x04ef, 499, /* ӯ Ӯ */ + 0x04f1, 499, /* ӱ Ӱ */ + 0x04f3, 499, /* ӳ Ӳ */ + 0x04f5, 499, /* ӵ Ӵ */ + 0x04f9, 499, /* ӹ Ӹ */ + 0x1e01, 499, /* ḁ Ḁ */ + 0x1e03, 499, /* ḃ Ḃ */ + 0x1e05, 499, /* ḅ Ḅ */ + 0x1e07, 499, /* ḇ Ḇ */ + 0x1e09, 499, /* ḉ Ḉ */ + 0x1e0b, 499, /* ḋ Ḋ */ + 0x1e0d, 499, /* ḍ Ḍ */ + 0x1e0f, 499, /* ḏ Ḏ */ + 0x1e11, 499, /* ḑ Ḑ */ + 0x1e13, 499, /* ḓ Ḓ */ + 0x1e15, 499, /* ḕ Ḕ */ + 0x1e17, 499, /* ḗ Ḗ */ + 0x1e19, 499, /* ḙ Ḙ */ + 0x1e1b, 499, /* ḛ Ḛ */ + 0x1e1d, 499, /* ḝ Ḝ */ + 0x1e1f, 499, /* ḟ Ḟ */ + 0x1e21, 499, /* ḡ Ḡ */ + 0x1e23, 499, /* ḣ Ḣ */ + 0x1e25, 499, /* ḥ Ḥ */ + 0x1e27, 499, /* ḧ Ḧ */ + 0x1e29, 499, /* ḩ Ḩ */ + 0x1e2b, 499, /* ḫ Ḫ */ + 0x1e2d, 499, /* ḭ Ḭ */ + 0x1e2f, 499, /* ḯ Ḯ */ + 0x1e31, 499, /* ḱ Ḱ */ + 0x1e33, 499, /* ḳ Ḳ */ + 0x1e35, 499, /* ḵ Ḵ */ + 0x1e37, 499, /* ḷ Ḷ */ + 0x1e39, 499, /* ḹ Ḹ */ + 0x1e3b, 499, /* ḻ Ḻ */ + 0x1e3d, 499, /* ḽ Ḽ */ + 0x1e3f, 499, /* ḿ Ḿ */ + 0x1e41, 499, /* ṁ Ṁ */ + 0x1e43, 499, /* ṃ Ṃ */ + 0x1e45, 499, /* ṅ Ṅ */ + 0x1e47, 499, /* ṇ Ṇ */ + 0x1e49, 499, /* ṉ Ṉ */ + 0x1e4b, 499, /* ṋ Ṋ */ + 0x1e4d, 499, /* ṍ Ṍ */ + 0x1e4f, 499, /* ṏ Ṏ */ + 0x1e51, 499, /* ṑ Ṑ */ + 0x1e53, 499, /* ṓ Ṓ */ + 0x1e55, 499, /* ṕ Ṕ */ + 0x1e57, 499, /* ṗ Ṗ */ + 0x1e59, 499, /* ṙ Ṙ */ + 0x1e5b, 499, /* ṛ Ṛ */ + 0x1e5d, 499, /* ṝ Ṝ */ + 0x1e5f, 499, /* ṟ Ṟ */ + 0x1e61, 499, /* ṡ Ṡ */ + 0x1e63, 499, /* ṣ Ṣ */ + 0x1e65, 499, /* ṥ Ṥ */ + 0x1e67, 499, /* ṧ Ṧ */ + 0x1e69, 499, /* ṩ Ṩ */ + 0x1e6b, 499, /* ṫ Ṫ */ + 0x1e6d, 499, /* ṭ Ṭ */ + 0x1e6f, 499, /* ṯ Ṯ */ + 0x1e71, 499, /* ṱ Ṱ */ + 0x1e73, 499, /* ṳ Ṳ */ + 0x1e75, 499, /* ṵ Ṵ */ + 0x1e77, 499, /* ṷ Ṷ */ + 0x1e79, 499, /* ṹ Ṹ */ + 0x1e7b, 499, /* ṻ Ṻ */ + 0x1e7d, 499, /* ṽ Ṽ */ + 0x1e7f, 499, /* ṿ Ṿ */ + 0x1e81, 499, /* ẁ Ẁ */ + 0x1e83, 499, /* ẃ Ẃ */ + 0x1e85, 499, /* ẅ Ẅ */ + 0x1e87, 499, /* ẇ Ẇ */ + 0x1e89, 499, /* ẉ Ẉ */ + 0x1e8b, 499, /* ẋ Ẋ */ + 0x1e8d, 499, /* ẍ Ẍ */ + 0x1e8f, 499, /* ẏ Ẏ */ + 0x1e91, 499, /* ẑ Ẑ */ + 0x1e93, 499, /* ẓ Ẓ */ + 0x1e95, 499, /* ẕ Ẕ */ + 0x1ea1, 499, /* ạ Ạ */ + 0x1ea3, 499, /* ả Ả */ + 0x1ea5, 499, /* ấ Ấ */ + 0x1ea7, 499, /* ầ Ầ */ + 0x1ea9, 499, /* ẩ Ẩ */ + 0x1eab, 499, /* ẫ Ẫ */ + 0x1ead, 499, /* ậ Ậ */ + 0x1eaf, 499, /* ắ Ắ */ + 0x1eb1, 499, /* ằ Ằ */ + 0x1eb3, 499, /* ẳ Ẳ */ + 0x1eb5, 499, /* ẵ Ẵ */ + 0x1eb7, 499, /* ặ Ặ */ + 0x1eb9, 499, /* ẹ Ẹ */ + 0x1ebb, 499, /* ẻ Ẻ */ + 0x1ebd, 499, /* ẽ Ẽ */ + 0x1ebf, 499, /* ế Ế */ + 0x1ec1, 499, /* ề Ề */ + 0x1ec3, 499, /* ể Ể */ + 0x1ec5, 499, /* ễ Ễ */ + 0x1ec7, 499, /* ệ Ệ */ + 0x1ec9, 499, /* ỉ Ỉ */ + 0x1ecb, 499, /* ị Ị */ + 0x1ecd, 499, /* ọ Ọ */ + 0x1ecf, 499, /* ỏ Ỏ */ + 0x1ed1, 499, /* ố Ố */ + 0x1ed3, 499, /* ồ Ồ */ + 0x1ed5, 499, /* ổ Ổ */ + 0x1ed7, 499, /* ỗ Ỗ */ + 0x1ed9, 499, /* ộ Ộ */ + 0x1edb, 499, /* ớ Ớ */ + 0x1edd, 499, /* ờ Ờ */ + 0x1edf, 499, /* ở Ở */ + 0x1ee1, 499, /* ỡ Ỡ */ + 0x1ee3, 499, /* ợ Ợ */ + 0x1ee5, 499, /* ụ Ụ */ + 0x1ee7, 499, /* ủ Ủ */ + 0x1ee9, 499, /* ứ Ứ */ + 0x1eeb, 499, /* ừ Ừ */ + 0x1eed, 499, /* ử Ử */ + 0x1eef, 499, /* ữ Ữ */ + 0x1ef1, 499, /* ự Ự */ + 0x1ef3, 499, /* ỳ Ỳ */ + 0x1ef5, 499, /* ỵ Ỵ */ + 0x1ef7, 499, /* ỷ Ỷ */ + 0x1ef9, 499, /* ỹ Ỹ */ + 0x1f51, 508, /* ὑ Ὑ */ + 0x1f53, 508, /* ὓ Ὓ */ + 0x1f55, 508, /* ὕ Ὕ */ + 0x1f57, 508, /* ὗ Ὗ */ + 0x1fb3, 509, /* ᾳ ᾼ */ + 0x1fc3, 509, /* ῃ ῌ */ + 0x1fe5, 507, /* ῥ Ῥ */ + 0x1ff3, 509, /* ῳ ῼ */ +}; + +/* + * upper case ranges + * 3rd col is conversion excess 500 + */ +static +Rune __tolower2[] = +{ + 0x0041, 0x005a, 532, /* A-Z a-z */ + 0x00c0, 0x00d6, 532, /* À-Ö à-ö */ + 0x00d8, 0x00de, 532, /* Ø-Þ ø-þ */ + 0x0189, 0x018a, 705, /* Ɖ-Ɗ ɖ-ɗ */ + 0x018e, 0x018f, 702, /* Ǝ-Ə ɘ-ə */ + 0x01b1, 0x01b2, 717, /* Ʊ-Ʋ ʊ-ʋ */ + 0x0388, 0x038a, 537, /* Έ-Ί έ-ί */ + 0x038e, 0x038f, 563, /* Ύ-Ώ ύ-ώ */ + 0x0391, 0x03a1, 532, /* Α-Ρ α-ρ */ + 0x03a3, 0x03ab, 532, /* Σ-Ϋ σ-ϋ */ + 0x0401, 0x040c, 580, /* Ё-Ќ ё-ќ */ + 0x040e, 0x040f, 580, /* Ў-Џ ў-џ */ + 0x0410, 0x042f, 532, /* А-Я а-я */ + 0x0531, 0x0556, 548, /* Ա-Ֆ ա-ֆ */ + 0x10a0, 0x10c5, 548, /* Ⴀ-Ⴥ ა-ჵ */ + 0x1f08, 0x1f0f, 492, /* Ἀ-Ἇ ἀ-ἇ */ + 0x1f18, 0x1f1d, 492, /* Ἐ-Ἕ ἐ-ἕ */ + 0x1f28, 0x1f2f, 492, /* Ἠ-Ἧ ἠ-ἧ */ + 0x1f38, 0x1f3f, 492, /* Ἰ-Ἷ ἰ-ἷ */ + 0x1f48, 0x1f4d, 492, /* Ὀ-Ὅ ὀ-ὅ */ + 0x1f68, 0x1f6f, 492, /* Ὠ-Ὧ ὠ-ὧ */ + 0x1f88, 0x1f8f, 492, /* ᾈ-ᾏ ᾀ-ᾇ */ + 0x1f98, 0x1f9f, 492, /* ᾘ-ᾟ ᾐ-ᾗ */ + 0x1fa8, 0x1faf, 492, /* ᾨ-ᾯ ᾠ-ᾧ */ + 0x1fb8, 0x1fb9, 492, /* Ᾰ-Ᾱ ᾰ-ᾱ */ + 0x1fba, 0x1fbb, 426, /* Ὰ-Ά ὰ-ά */ + 0x1fc8, 0x1fcb, 414, /* Ὲ-Ή ὲ-ή */ + 0x1fd8, 0x1fd9, 492, /* Ῐ-Ῑ ῐ-ῑ */ + 0x1fda, 0x1fdb, 400, /* Ὶ-Ί ὶ-ί */ + 0x1fe8, 0x1fe9, 492, /* Ῠ-Ῡ ῠ-ῡ */ + 0x1fea, 0x1feb, 388, /* Ὺ-Ύ ὺ-ύ */ + 0x1ff8, 0x1ff9, 372, /* Ὸ-Ό ὸ-ό */ + 0x1ffa, 0x1ffb, 374, /* Ὼ-Ώ ὼ-ώ */ + 0x2160, 0x216f, 516, /* Ⅰ-Ⅿ ⅰ-ⅿ */ + 0x24b6, 0x24cf, 526, /* Ⓐ-Ⓩ ⓐ-ⓩ */ + 0xff21, 0xff3a, 532, /* A-Z a-z */ +}; + +/* + * upper case singlets + * 2nd col is conversion excess 500 + */ +static +Rune __tolower1[] = +{ + 0x0100, 501, /* Ā ā */ + 0x0102, 501, /* Ă ă */ + 0x0104, 501, /* Ą ą */ + 0x0106, 501, /* Ć ć */ + 0x0108, 501, /* Ĉ ĉ */ + 0x010a, 501, /* Ċ ċ */ + 0x010c, 501, /* Č č */ + 0x010e, 501, /* Ď ď */ + 0x0110, 501, /* Đ đ */ + 0x0112, 501, /* Ē ē */ + 0x0114, 501, /* Ĕ ĕ */ + 0x0116, 501, /* Ė ė */ + 0x0118, 501, /* Ę ę */ + 0x011a, 501, /* Ě ě */ + 0x011c, 501, /* Ĝ ĝ */ + 0x011e, 501, /* Ğ ğ */ + 0x0120, 501, /* Ġ ġ */ + 0x0122, 501, /* Ģ ģ */ + 0x0124, 501, /* Ĥ ĥ */ + 0x0126, 501, /* Ħ ħ */ + 0x0128, 501, /* Ĩ ĩ */ + 0x012a, 501, /* Ī ī */ + 0x012c, 501, /* Ĭ ĭ */ + 0x012e, 501, /* Į į */ + 0x0130, 301, /* İ i */ + 0x0132, 501, /* IJ ij */ + 0x0134, 501, /* Ĵ ĵ */ + 0x0136, 501, /* Ķ ķ */ + 0x0139, 501, /* Ĺ ĺ */ + 0x013b, 501, /* Ļ ļ */ + 0x013d, 501, /* Ľ ľ */ + 0x013f, 501, /* Ŀ ŀ */ + 0x0141, 501, /* Ł ł */ + 0x0143, 501, /* Ń ń */ + 0x0145, 501, /* Ņ ņ */ + 0x0147, 501, /* Ň ň */ + 0x014a, 501, /* Ŋ ŋ */ + 0x014c, 501, /* Ō ō */ + 0x014e, 501, /* Ŏ ŏ */ + 0x0150, 501, /* Ő ő */ + 0x0152, 501, /* Œ œ */ + 0x0154, 501, /* Ŕ ŕ */ + 0x0156, 501, /* Ŗ ŗ */ + 0x0158, 501, /* Ř ř */ + 0x015a, 501, /* Ś ś */ + 0x015c, 501, /* Ŝ ŝ */ + 0x015e, 501, /* Ş ş */ + 0x0160, 501, /* Š š */ + 0x0162, 501, /* Ţ ţ */ + 0x0164, 501, /* Ť ť */ + 0x0166, 501, /* Ŧ ŧ */ + 0x0168, 501, /* Ũ ũ */ + 0x016a, 501, /* Ū ū */ + 0x016c, 501, /* Ŭ ŭ */ + 0x016e, 501, /* Ů ů */ + 0x0170, 501, /* Ű ű */ + 0x0172, 501, /* Ų ų */ + 0x0174, 501, /* Ŵ ŵ */ + 0x0176, 501, /* Ŷ ŷ */ + 0x0178, 379, /* Ÿ ÿ */ + 0x0179, 501, /* Ź ź */ + 0x017b, 501, /* Ż ż */ + 0x017d, 501, /* Ž ž */ + 0x0181, 710, /* Ɓ ɓ */ + 0x0182, 501, /* Ƃ ƃ */ + 0x0184, 501, /* Ƅ ƅ */ + 0x0186, 706, /* Ɔ ɔ */ + 0x0187, 501, /* Ƈ ƈ */ + 0x018b, 501, /* Ƌ ƌ */ + 0x0190, 703, /* Ɛ ɛ */ + 0x0191, 501, /* Ƒ ƒ */ + 0x0193, 705, /* Ɠ ɠ */ + 0x0194, 707, /* Ɣ ɣ */ + 0x0196, 711, /* Ɩ ɩ */ + 0x0197, 709, /* Ɨ ɨ */ + 0x0198, 501, /* Ƙ ƙ */ + 0x019c, 711, /* Ɯ ɯ */ + 0x019d, 713, /* Ɲ ɲ */ + 0x01a0, 501, /* Ơ ơ */ + 0x01a2, 501, /* Ƣ ƣ */ + 0x01a4, 501, /* Ƥ ƥ */ + 0x01a7, 501, /* Ƨ ƨ */ + 0x01a9, 718, /* Ʃ ʃ */ + 0x01ac, 501, /* Ƭ ƭ */ + 0x01ae, 718, /* Ʈ ʈ */ + 0x01af, 501, /* Ư ư */ + 0x01b3, 501, /* Ƴ ƴ */ + 0x01b5, 501, /* Ƶ ƶ */ + 0x01b7, 719, /* Ʒ ʒ */ + 0x01b8, 501, /* Ƹ ƹ */ + 0x01bc, 501, /* Ƽ ƽ */ + 0x01c4, 502, /* DŽ dž */ + 0x01c5, 501, /* Dž dž */ + 0x01c7, 502, /* LJ lj */ + 0x01c8, 501, /* Lj lj */ + 0x01ca, 502, /* NJ nj */ + 0x01cb, 501, /* Nj nj */ + 0x01cd, 501, /* Ǎ ǎ */ + 0x01cf, 501, /* Ǐ ǐ */ + 0x01d1, 501, /* Ǒ ǒ */ + 0x01d3, 501, /* Ǔ ǔ */ + 0x01d5, 501, /* Ǖ ǖ */ + 0x01d7, 501, /* Ǘ ǘ */ + 0x01d9, 501, /* Ǚ ǚ */ + 0x01db, 501, /* Ǜ ǜ */ + 0x01de, 501, /* Ǟ ǟ */ + 0x01e0, 501, /* Ǡ ǡ */ + 0x01e2, 501, /* Ǣ ǣ */ + 0x01e4, 501, /* Ǥ ǥ */ + 0x01e6, 501, /* Ǧ ǧ */ + 0x01e8, 501, /* Ǩ ǩ */ + 0x01ea, 501, /* Ǫ ǫ */ + 0x01ec, 501, /* Ǭ ǭ */ + 0x01ee, 501, /* Ǯ ǯ */ + 0x01f1, 502, /* DZ dz */ + 0x01f2, 501, /* Dz dz */ + 0x01f4, 501, /* Ǵ ǵ */ + 0x01fa, 501, /* Ǻ ǻ */ + 0x01fc, 501, /* Ǽ ǽ */ + 0x01fe, 501, /* Ǿ ǿ */ + 0x0200, 501, /* Ȁ ȁ */ + 0x0202, 501, /* Ȃ ȃ */ + 0x0204, 501, /* Ȅ ȅ */ + 0x0206, 501, /* Ȇ ȇ */ + 0x0208, 501, /* Ȉ ȉ */ + 0x020a, 501, /* Ȋ ȋ */ + 0x020c, 501, /* Ȍ ȍ */ + 0x020e, 501, /* Ȏ ȏ */ + 0x0210, 501, /* Ȑ ȑ */ + 0x0212, 501, /* Ȓ ȓ */ + 0x0214, 501, /* Ȕ ȕ */ + 0x0216, 501, /* Ȗ ȗ */ + 0x0386, 538, /* Ά ά */ + 0x038c, 564, /* Ό ό */ + 0x03e2, 501, /* Ϣ ϣ */ + 0x03e4, 501, /* Ϥ ϥ */ + 0x03e6, 501, /* Ϧ ϧ */ + 0x03e8, 501, /* Ϩ ϩ */ + 0x03ea, 501, /* Ϫ ϫ */ + 0x03ec, 501, /* Ϭ ϭ */ + 0x03ee, 501, /* Ϯ ϯ */ + 0x0460, 501, /* Ѡ ѡ */ + 0x0462, 501, /* Ѣ ѣ */ + 0x0464, 501, /* Ѥ ѥ */ + 0x0466, 501, /* Ѧ ѧ */ + 0x0468, 501, /* Ѩ ѩ */ + 0x046a, 501, /* Ѫ ѫ */ + 0x046c, 501, /* Ѭ ѭ */ + 0x046e, 501, /* Ѯ ѯ */ + 0x0470, 501, /* Ѱ ѱ */ + 0x0472, 501, /* Ѳ ѳ */ + 0x0474, 501, /* Ѵ ѵ */ + 0x0476, 501, /* Ѷ ѷ */ + 0x0478, 501, /* Ѹ ѹ */ + 0x047a, 501, /* Ѻ ѻ */ + 0x047c, 501, /* Ѽ ѽ */ + 0x047e, 501, /* Ѿ ѿ */ + 0x0480, 501, /* Ҁ ҁ */ + 0x0490, 501, /* Ґ ґ */ + 0x0492, 501, /* Ғ ғ */ + 0x0494, 501, /* Ҕ ҕ */ + 0x0496, 501, /* Җ җ */ + 0x0498, 501, /* Ҙ ҙ */ + 0x049a, 501, /* Қ қ */ + 0x049c, 501, /* Ҝ ҝ */ + 0x049e, 501, /* Ҟ ҟ */ + 0x04a0, 501, /* Ҡ ҡ */ + 0x04a2, 501, /* Ң ң */ + 0x04a4, 501, /* Ҥ ҥ */ + 0x04a6, 501, /* Ҧ ҧ */ + 0x04a8, 501, /* Ҩ ҩ */ + 0x04aa, 501, /* Ҫ ҫ */ + 0x04ac, 501, /* Ҭ ҭ */ + 0x04ae, 501, /* Ү ү */ + 0x04b0, 501, /* Ұ ұ */ + 0x04b2, 501, /* Ҳ ҳ */ + 0x04b4, 501, /* Ҵ ҵ */ + 0x04b6, 501, /* Ҷ ҷ */ + 0x04b8, 501, /* Ҹ ҹ */ + 0x04ba, 501, /* Һ һ */ + 0x04bc, 501, /* Ҽ ҽ */ + 0x04be, 501, /* Ҿ ҿ */ + 0x04c1, 501, /* Ӂ ӂ */ + 0x04c3, 501, /* Ӄ ӄ */ + 0x04c7, 501, /* Ӈ ӈ */ + 0x04cb, 501, /* Ӌ ӌ */ + 0x04d0, 501, /* Ӑ ӑ */ + 0x04d2, 501, /* Ӓ ӓ */ + 0x04d4, 501, /* Ӕ ӕ */ + 0x04d6, 501, /* Ӗ ӗ */ + 0x04d8, 501, /* Ә ә */ + 0x04da, 501, /* Ӛ ӛ */ + 0x04dc, 501, /* Ӝ ӝ */ + 0x04de, 501, /* Ӟ ӟ */ + 0x04e0, 501, /* Ӡ ӡ */ + 0x04e2, 501, /* Ӣ ӣ */ + 0x04e4, 501, /* Ӥ ӥ */ + 0x04e6, 501, /* Ӧ ӧ */ + 0x04e8, 501, /* Ө ө */ + 0x04ea, 501, /* Ӫ ӫ */ + 0x04ee, 501, /* Ӯ ӯ */ + 0x04f0, 501, /* Ӱ ӱ */ + 0x04f2, 501, /* Ӳ ӳ */ + 0x04f4, 501, /* Ӵ ӵ */ + 0x04f8, 501, /* Ӹ ӹ */ + 0x1e00, 501, /* Ḁ ḁ */ + 0x1e02, 501, /* Ḃ ḃ */ + 0x1e04, 501, /* Ḅ ḅ */ + 0x1e06, 501, /* Ḇ ḇ */ + 0x1e08, 501, /* Ḉ ḉ */ + 0x1e0a, 501, /* Ḋ ḋ */ + 0x1e0c, 501, /* Ḍ ḍ */ + 0x1e0e, 501, /* Ḏ ḏ */ + 0x1e10, 501, /* Ḑ ḑ */ + 0x1e12, 501, /* Ḓ ḓ */ + 0x1e14, 501, /* Ḕ ḕ */ + 0x1e16, 501, /* Ḗ ḗ */ + 0x1e18, 501, /* Ḙ ḙ */ + 0x1e1a, 501, /* Ḛ ḛ */ + 0x1e1c, 501, /* Ḝ ḝ */ + 0x1e1e, 501, /* Ḟ ḟ */ + 0x1e20, 501, /* Ḡ ḡ */ + 0x1e22, 501, /* Ḣ ḣ */ + 0x1e24, 501, /* Ḥ ḥ */ + 0x1e26, 501, /* Ḧ ḧ */ + 0x1e28, 501, /* Ḩ ḩ */ + 0x1e2a, 501, /* Ḫ ḫ */ + 0x1e2c, 501, /* Ḭ ḭ */ + 0x1e2e, 501, /* Ḯ ḯ */ + 0x1e30, 501, /* Ḱ ḱ */ + 0x1e32, 501, /* Ḳ ḳ */ + 0x1e34, 501, /* Ḵ ḵ */ + 0x1e36, 501, /* Ḷ ḷ */ + 0x1e38, 501, /* Ḹ ḹ */ + 0x1e3a, 501, /* Ḻ ḻ */ + 0x1e3c, 501, /* Ḽ ḽ */ + 0x1e3e, 501, /* Ḿ ḿ */ + 0x1e40, 501, /* Ṁ ṁ */ + 0x1e42, 501, /* Ṃ ṃ */ + 0x1e44, 501, /* Ṅ ṅ */ + 0x1e46, 501, /* Ṇ ṇ */ + 0x1e48, 501, /* Ṉ ṉ */ + 0x1e4a, 501, /* Ṋ ṋ */ + 0x1e4c, 501, /* Ṍ ṍ */ + 0x1e4e, 501, /* Ṏ ṏ */ + 0x1e50, 501, /* Ṑ ṑ */ + 0x1e52, 501, /* Ṓ ṓ */ + 0x1e54, 501, /* Ṕ ṕ */ + 0x1e56, 501, /* Ṗ ṗ */ + 0x1e58, 501, /* Ṙ ṙ */ + 0x1e5a, 501, /* Ṛ ṛ */ + 0x1e5c, 501, /* Ṝ ṝ */ + 0x1e5e, 501, /* Ṟ ṟ */ + 0x1e60, 501, /* Ṡ ṡ */ + 0x1e62, 501, /* Ṣ ṣ */ + 0x1e64, 501, /* Ṥ ṥ */ + 0x1e66, 501, /* Ṧ ṧ */ + 0x1e68, 501, /* Ṩ ṩ */ + 0x1e6a, 501, /* Ṫ ṫ */ + 0x1e6c, 501, /* Ṭ ṭ */ + 0x1e6e, 501, /* Ṯ ṯ */ + 0x1e70, 501, /* Ṱ ṱ */ + 0x1e72, 501, /* Ṳ ṳ */ + 0x1e74, 501, /* Ṵ ṵ */ + 0x1e76, 501, /* Ṷ ṷ */ + 0x1e78, 501, /* Ṹ ṹ */ + 0x1e7a, 501, /* Ṻ ṻ */ + 0x1e7c, 501, /* Ṽ ṽ */ + 0x1e7e, 501, /* Ṿ ṿ */ + 0x1e80, 501, /* Ẁ ẁ */ + 0x1e82, 501, /* Ẃ ẃ */ + 0x1e84, 501, /* Ẅ ẅ */ + 0x1e86, 501, /* Ẇ ẇ */ + 0x1e88, 501, /* Ẉ ẉ */ + 0x1e8a, 501, /* Ẋ ẋ */ + 0x1e8c, 501, /* Ẍ ẍ */ + 0x1e8e, 501, /* Ẏ ẏ */ + 0x1e90, 501, /* Ẑ ẑ */ + 0x1e92, 501, /* Ẓ ẓ */ + 0x1e94, 501, /* Ẕ ẕ */ + 0x1ea0, 501, /* Ạ ạ */ + 0x1ea2, 501, /* Ả ả */ + 0x1ea4, 501, /* Ấ ấ */ + 0x1ea6, 501, /* Ầ ầ */ + 0x1ea8, 501, /* Ẩ ẩ */ + 0x1eaa, 501, /* Ẫ ẫ */ + 0x1eac, 501, /* Ậ ậ */ + 0x1eae, 501, /* Ắ ắ */ + 0x1eb0, 501, /* Ằ ằ */ + 0x1eb2, 501, /* Ẳ ẳ */ + 0x1eb4, 501, /* Ẵ ẵ */ + 0x1eb6, 501, /* Ặ ặ */ + 0x1eb8, 501, /* Ẹ ẹ */ + 0x1eba, 501, /* Ẻ ẻ */ + 0x1ebc, 501, /* Ẽ ẽ */ + 0x1ebe, 501, /* Ế ế */ + 0x1ec0, 501, /* Ề ề */ + 0x1ec2, 501, /* Ể ể */ + 0x1ec4, 501, /* Ễ ễ */ + 0x1ec6, 501, /* Ệ ệ */ + 0x1ec8, 501, /* Ỉ ỉ */ + 0x1eca, 501, /* Ị ị */ + 0x1ecc, 501, /* Ọ ọ */ + 0x1ece, 501, /* Ỏ ỏ */ + 0x1ed0, 501, /* Ố ố */ + 0x1ed2, 501, /* Ồ ồ */ + 0x1ed4, 501, /* Ổ ổ */ + 0x1ed6, 501, /* Ỗ ỗ */ + 0x1ed8, 501, /* Ộ ộ */ + 0x1eda, 501, /* Ớ ớ */ + 0x1edc, 501, /* Ờ ờ */ + 0x1ede, 501, /* Ở ở */ + 0x1ee0, 501, /* Ỡ ỡ */ + 0x1ee2, 501, /* Ợ ợ */ + 0x1ee4, 501, /* Ụ ụ */ + 0x1ee6, 501, /* Ủ ủ */ + 0x1ee8, 501, /* Ứ ứ */ + 0x1eea, 501, /* Ừ ừ */ + 0x1eec, 501, /* Ử ử */ + 0x1eee, 501, /* Ữ ữ */ + 0x1ef0, 501, /* Ự ự */ + 0x1ef2, 501, /* Ỳ ỳ */ + 0x1ef4, 501, /* Ỵ ỵ */ + 0x1ef6, 501, /* Ỷ ỷ */ + 0x1ef8, 501, /* Ỹ ỹ */ + 0x1f59, 492, /* Ὑ ὑ */ + 0x1f5b, 492, /* Ὓ ὓ */ + 0x1f5d, 492, /* Ὕ ὕ */ + 0x1f5f, 492, /* Ὗ ὗ */ + 0x1fbc, 491, /* ᾼ ᾳ */ + 0x1fcc, 491, /* ῌ ῃ */ + 0x1fec, 493, /* Ῥ ῥ */ + 0x1ffc, 491, /* ῼ ῳ */ +}; + +/* + * title characters are those between + * upper and lower case. ie DZ Dz dz + */ +static +Rune __totitle1[] = +{ + 0x01c4, 501, /* DŽ Dž */ + 0x01c6, 499, /* dž Dž */ + 0x01c7, 501, /* LJ Lj */ + 0x01c9, 499, /* lj Lj */ + 0x01ca, 501, /* NJ Nj */ + 0x01cc, 499, /* nj Nj */ + 0x01f1, 501, /* DZ Dz */ + 0x01f3, 499, /* dz Dz */ +}; + +static +Rune* +bsearch(Rune c, Rune *t, int n, int ne) +{ + Rune *p; + int m; + + while(n > 1) { + m = n/2; + p = t + m*ne; + if(c >= p[0]) { + t = p; + n = n-m; + } else + n = m; + } + if(n && c >= t[0]) + return t; + return 0; +} + +Rune +tolowerrune(Rune c) +{ + Rune *p; + + p = bsearch(c, __tolower2, nelem(__tolower2)/3, 3); + if(p && c >= p[0] && c <= p[1]) + return c + p[2] - 500; + p = bsearch(c, __tolower1, nelem(__tolower1)/2, 2); + if(p && c == p[0]) + return c + p[1] - 500; + return c; +} + +Rune +toupperrune(Rune c) +{ + Rune *p; + + p = bsearch(c, __toupper2, nelem(__toupper2)/3, 3); + if(p && c >= p[0] && c <= p[1]) + return c + p[2] - 500; + p = bsearch(c, __toupper1, nelem(__toupper1)/2, 2); + if(p && c == p[0]) + return c + p[1] - 500; + return c; +} + +Rune +totitlerune(Rune c) +{ + Rune *p; + + p = bsearch(c, __totitle1, nelem(__totitle1)/2, 2); + if(p && c == p[0]) + return c + p[1] - 500; + return c; +} + +int +islowerrune(Rune c) +{ + Rune *p; + + p = bsearch(c, __toupper2, nelem(__toupper2)/3, 3); + if(p && c >= p[0] && c <= p[1]) + return 1; + p = bsearch(c, __toupper1, nelem(__toupper1)/2, 2); + if(p && c == p[0]) + return 1; + return 0; +} + +int +isupperrune(Rune c) +{ + Rune *p; + + p = bsearch(c, __tolower2, nelem(__tolower2)/3, 3); + if(p && c >= p[0] && c <= p[1]) + return 1; + p = bsearch(c, __tolower1, nelem(__tolower1)/2, 2); + if(p && c == p[0]) + return 1; + return 0; +} + +int +isalpharune(Rune c) +{ + Rune *p; + + if(isupperrune(c) || islowerrune(c)) + return 1; + p = bsearch(c, __alpha2, nelem(__alpha2)/2, 2); + if(p && c >= p[0] && c <= p[1]) + return 1; + p = bsearch(c, __alpha1, nelem(__alpha1), 1); + if(p && c == p[0]) + return 1; + return 0; +} + +int +istitlerune(Rune c) +{ + return isupperrune(c) && islowerrune(c); +} + +int +isspacerune(Rune c) +{ + Rune *p; + + p = bsearch(c, __space2, nelem(__space2)/2, 2); + if(p && c >= p[0] && c <= p[1]) + return 1; + return 0; +} diff --git a/sys/src/ape/lib/utf/utfdef.h b/sys/src/ape/lib/utf/utfdef.h new file mode 100755 index 000000000..4b58ae87e --- /dev/null +++ b/sys/src/ape/lib/utf/utfdef.h @@ -0,0 +1,14 @@ +#define uchar _utfuchar +#define ushort _utfushort +#define uint _utfuint +#define ulong _utfulong +#define vlong _utfvlong +#define uvlong _utfuvlong + +typedef unsigned char uchar; +typedef unsigned short ushort; +typedef unsigned int uint; +typedef unsigned long ulong; + +#define nelem(x) (sizeof(x)/sizeof((x)[0])) +#define nil ((void*)0) diff --git a/sys/src/ape/lib/utf/utfecpy.c b/sys/src/ape/lib/utf/utfecpy.c new file mode 100755 index 000000000..571593503 --- /dev/null +++ b/sys/src/ape/lib/utf/utfecpy.c @@ -0,0 +1,36 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +char* +utfecpy(char *to, char *e, char *from) +{ + char *end; + + if(to >= e) + return to; + end = memccpy(to, from, '\0', e - to); + if(end == nil){ + end = e-1; + while(end>to && (*--end&0xC0)==0x80) + ; + *end = '\0'; + }else{ + end--; + } + return end; +} diff --git a/sys/src/ape/lib/utf/utflen.c b/sys/src/ape/lib/utf/utflen.c new file mode 100755 index 000000000..9d24ccf23 --- /dev/null +++ b/sys/src/ape/lib/utf/utflen.c @@ -0,0 +1,37 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +int +utflen(char *s) +{ + int c; + long n; + Rune rune; + + n = 0; + for(;;) { + c = *(uchar*)s; + if(c < Runeself) { + if(c == 0) + return n; + s++; + } else + s += chartorune(&rune, s); + n++; + } +} diff --git a/sys/src/ape/lib/utf/utfnlen.c b/sys/src/ape/lib/utf/utfnlen.c new file mode 100755 index 000000000..66d674fd2 --- /dev/null +++ b/sys/src/ape/lib/utf/utfnlen.c @@ -0,0 +1,41 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +int +utfnlen(char *s, long m) +{ + int c; + long n; + Rune rune; + char *es; + + es = s + m; + for(n = 0; s < es; n++) { + c = *(uchar*)s; + if(c < Runeself){ + if(c == '\0') + break; + s++; + continue; + } + if(!fullrune(s, es-s)) + break; + s += chartorune(&rune, s); + } + return n; +} diff --git a/sys/src/ape/lib/utf/utfrrune.c b/sys/src/ape/lib/utf/utfrrune.c new file mode 100755 index 000000000..1f951feeb --- /dev/null +++ b/sys/src/ape/lib/utf/utfrrune.c @@ -0,0 +1,45 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +char* +utfrrune(char *s, long c) +{ + long c1; + Rune r; + char *s1; + + if(c < Runesync) /* not part of utf sequence */ + return strrchr(s, c); + + s1 = 0; + for(;;) { + c1 = *(uchar*)s; + if(c1 < Runeself) { /* one byte rune */ + if(c1 == 0) + return s1; + if(c1 == c) + s1 = s; + s++; + continue; + } + c1 = chartorune(&r, s); + if(r == c) + s1 = s; + s += c1; + } +} diff --git a/sys/src/ape/lib/utf/utfrune.c b/sys/src/ape/lib/utf/utfrune.c new file mode 100755 index 000000000..a98004d2a --- /dev/null +++ b/sys/src/ape/lib/utf/utfrune.c @@ -0,0 +1,44 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + +char* +utfrune(char *s, long c) +{ + long c1; + Rune r; + int n; + + if(c < Runesync) /* not part of utf sequence */ + return strchr(s, c); + + for(;;) { + c1 = *(uchar*)s; + if(c1 < Runeself) { /* one byte rune */ + if(c1 == 0) + return 0; + if(c1 == c) + return s; + s++; + continue; + } + n = chartorune(&r, s); + if(r == c) + return s; + s += n; + } +} diff --git a/sys/src/ape/lib/utf/utfutf.c b/sys/src/ape/lib/utf/utfutf.c new file mode 100755 index 000000000..ea3603612 --- /dev/null +++ b/sys/src/ape/lib/utf/utfutf.c @@ -0,0 +1,41 @@ +/* + * The authors of this software are Rob Pike and Ken Thompson. + * Copyright (c) 2002 by Lucent Technologies. + * Permission to use, copy, modify, and distribute this software for any + * purpose without fee is hereby granted, provided that this entire notice + * is included in all copies of any software which is or includes a copy + * or modification of this software and in all copies of the supporting + * documentation for such software. + * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED + * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY + * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY + * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE. + */ +#include <stdarg.h> +#include <string.h> +#include "utf.h" +#include "utfdef.h" + + +/* + * Return pointer to first occurrence of s2 in s1, + * 0 if none + */ +char* +utfutf(char *s1, char *s2) +{ + char *p; + long f, n1, n2; + Rune r; + + n1 = chartorune(&r, s2); + f = r; + if(f <= Runesync) /* represents self */ + return strstr(s1, s2); + + n2 = strlen(s2); + for(p=s1; p=utfrune(p, f); p+=n1) + if(strncmp(p, s2, n2) == 0) + return p; + return 0; +} diff --git a/sys/src/ape/lib/v/error.c b/sys/src/ape/lib/v/error.c new file mode 100755 index 000000000..6dccc463e --- /dev/null +++ b/sys/src/ape/lib/v/error.c @@ -0,0 +1,14 @@ +#define _POSIX_SOURCE +#define _RESEARCH_SOURCE +#include <error.h> +#include <stdio.h> +#include <libv.h> + +char *_progname; + +void +_perror(char *s) +{ + fprintf(stderr, "%s: ", _progname); + perror(s); +} diff --git a/sys/src/ape/lib/v/getfields.c b/sys/src/ape/lib/v/getfields.c new file mode 100755 index 000000000..da59216d9 --- /dev/null +++ b/sys/src/ape/lib/v/getfields.c @@ -0,0 +1,136 @@ +#define _RESEARCH_SOURCE +#include <libv.h> +#include <string.h> + +static char is_sep[256] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, +}; +static char is_field[256] = { + 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, +}; +static char last_sep[256]; + +char * +setfields(char *arg) +{ + register unsigned char *s; + register i; + + for(i = 1, s = (unsigned char *)last_sep; i < 256; i++) + if(is_sep[i]) + *s++ = i; + *s = 0; + memset(is_sep, 0, sizeof is_sep); + memset(is_field, 1, sizeof is_field); + for(s = (unsigned char *)arg; *s;){ + is_sep[*s] = 1; + is_field[*s++] = 0; + } + is_field[0] = 0; + return(last_sep); +} + +int +getfields(char *ss, char **sp, int nptrs) +{ + register unsigned char *s = (unsigned char *)ss; + register unsigned char **p = (unsigned char **)sp; + register unsigned c; + + for(;;){ + if(--nptrs < 0) break; + *p++ = s; + while(is_field[c = *s++]) + ; + if(c == 0) break; + s[-1] = 0; + } + if(nptrs > 0) + *p = 0; + else if(--s >= (unsigned char *)ss) + *s = c; + return(p - (unsigned char **)sp); +} + +int +getmfields(char *ss, char **sp, int nptrs) +{ + register unsigned char *s = (unsigned char *)ss; + register unsigned char **p = (unsigned char **)sp; + register unsigned c; + + if(nptrs <= 0) + return(0); + goto flushdelim; + for(;;){ + *p++ = s; + if(--nptrs == 0) break; + while(is_field[c = *s++]) + ; + /* + * s is now pointing 1 past the delimiter of the last field + * c is the delimiter + */ + if(c == 0) break; + s[-1] = 0; + flushdelim: + while(is_sep[c = *s++]) + ; + /* + * s is now pointing 1 past the beginning of the next field + * c is the first letter of the field + */ + if(c == 0) break; + s--; + /* + * s is now pointing to the beginning of the next field + * c is the first letter of the field + */ + } + if(nptrs > 0) + *p = 0; + return(p - (unsigned char **)sp); +} + +#ifdef MAIN +#include <fio.h> + +main() +{ + char *fields[256]; + char *s; + int n, i; + char buf[1024]; + + print("go:\n"); + while(s = Frdline(0)){ + strcpy(buf, s); + Fprint(1, "getf:"); + n = getfields(s, fields, 4); + for(i = 0; i < n; i++) + Fprint(1, " >%s<", fields[i]); + Fputc(1, '\n'); + Fprint(1, "getmf:"); + n = getmfields(buf, fields, 4); + for(i = 0; i < n; i++) + Fprint(1, " >%s<", fields[i]); + Fputc(1, '\n'); + Fflush(1); + } + exit(0); +} +#endif diff --git a/sys/src/ape/lib/v/max.c b/sys/src/ape/lib/v/max.c new file mode 100755 index 000000000..c8a105567 --- /dev/null +++ b/sys/src/ape/lib/v/max.c @@ -0,0 +1,7 @@ +#define _RESEARCH_SOURCE +#include <libv.h> + +max(int a, int b) +{ + return (a>b? a: b); +} diff --git a/sys/src/ape/lib/v/min.c b/sys/src/ape/lib/v/min.c new file mode 100755 index 000000000..f0502af0c --- /dev/null +++ b/sys/src/ape/lib/v/min.c @@ -0,0 +1,7 @@ +#define _RESEARCH_SOURCE +#include <libv.h> + +min(int a, int b) +{ + return (a<b? a: b); +} diff --git a/sys/src/ape/lib/v/mkfile b/sys/src/ape/lib/v/mkfile new file mode 100755 index 000000000..fa3c8217f --- /dev/null +++ b/sys/src/ape/lib/v/mkfile @@ -0,0 +1,21 @@ +APE=/sys/src/ape +<$APE/config + +LIB=/$objtype/lib/ape/libv.a + +OFILES=getpass.$O\ + tty.$O\ + rand.$O\ + nrand.$O\ + getfields.$O\ + min.$O\ + max.$O\ + error.$O\ + nap.$O + +</sys/src/cmd/mksyslib + +CFLAGS=-c + +%.$O: $FAMILY/%.c + $CC $CFLAGS $prereq diff --git a/sys/src/ape/lib/v/nap.c b/sys/src/ape/lib/v/nap.c new file mode 100755 index 000000000..490857d27 --- /dev/null +++ b/sys/src/ape/lib/v/nap.c @@ -0,0 +1,9 @@ +nap(int n) +{ + register i; + + while(n-- > 0){ + for(i = 0; i < 1000*1000*10; i++) + ; + } +} diff --git a/sys/src/ape/lib/v/nrand.c b/sys/src/ape/lib/v/nrand.c new file mode 100755 index 000000000..29e5aee0f --- /dev/null +++ b/sys/src/ape/lib/v/nrand.c @@ -0,0 +1,24 @@ +#include <stdlib.h> + +#define MASK 0x7FFFFFFFL +#define FRACT (1.0 / (MASK + 1.0)) + +extern long lrand(void); + +double +frand(void) +{ + + return lrand() * FRACT; +} + +nrand(int n) +{ + long slop, v; + + slop = MASK % n; + do + v = lrand(); + while(v <= slop); + return v % n; +} diff --git a/sys/src/ape/lib/v/plan9/getpass.c b/sys/src/ape/lib/v/plan9/getpass.c new file mode 100755 index 000000000..f8f6a8e89 --- /dev/null +++ b/sys/src/ape/lib/v/plan9/getpass.c @@ -0,0 +1,42 @@ +#define _POSIX_SOURCE +#define _RESEARCH_SOURCE +#include <stdio.h> +#include <signal.h> +#include <libv.h> + +char * +getpass(char *prompt) +{ + int c; + char *p; + FILE *fi; + static char pbuf[9]; + void (*sig)(int); + + if ((fi = fopen("/dev/cons", "r")) == NULL) + fi = stdin; + else + setbuf(fi, NULL); + sig = signal(SIGINT, SIG_IGN); + tty_echooff(fileno(fi)); + fprintf(stderr, "%s", prompt); + fflush(stderr); + + for (p = pbuf; (c = getc(fi)) != '\n' && c != EOF; ) + if (c == ('u' & 037)) + p = pbuf; + else if (c == '\b') { + if (p > pbuf) + p--; + } else if (p < &pbuf[8]) + *p++ = c; + *p = '\0'; + + fprintf(stderr, "\n"); + fflush(stderr); + tty_echoon(fileno(fi)); + signal(SIGINT, sig); + if (fi != stdin) + fclose(fi); + return(pbuf); +} diff --git a/sys/src/ape/lib/v/plan9/tty.c b/sys/src/ape/lib/v/plan9/tty.c new file mode 100755 index 000000000..dae26d48f --- /dev/null +++ b/sys/src/ape/lib/v/plan9/tty.c @@ -0,0 +1,37 @@ +/* + * turn raw (no echo, etc.) on and off. + * ptyfs is gone, so don't even try tcsetattr, etc. + */ +#define _POSIX_SOURCE +#define _RESEARCH_SOURCE + +#include <sys/types.h> +#include <unistd.h> +#include <fcntl.h> +#include <libv.h> + +static int ctlfd = -1; + +/* fd is ignored */ + +tty_echooff(int fd) +{ + if(ctlfd >= 0) + return 0; + ctlfd = open("/dev/consctl", O_WRONLY); + if(ctlfd < 0) + return -1; + write(ctlfd, "rawon", 5); + return 0; +} + +tty_echoon(int fd) +{ + if(ctlfd >= 0){ + write(ctlfd, "rawoff", 6); + close(ctlfd); + ctlfd = -1; + return 0; + } + return -1; +} diff --git a/sys/src/ape/lib/v/rand.c b/sys/src/ape/lib/v/rand.c new file mode 100755 index 000000000..4996b0c26 --- /dev/null +++ b/sys/src/ape/lib/v/rand.c @@ -0,0 +1,64 @@ +#define _RESEARCH_SOURCE +#include <stdlib.h> +#include <libv.h> +/* + random number generator from cacm 31 10, oct 88 + for 32 bit integers (called long here) +*/ + +#ifdef MAIN +#define A 16807 +#define M 2147483647 +#define Q 127773 +#define R 2836 +#else +#define A 48271 +#define M 2147483647 +#define Q 44488 +#define R 3399 +#endif + +static long seed = 1; + +void +srand(unsigned int newseed) +{ + seed = newseed; +} + +long +lrand(void) +{ + long lo, hi, test; + + hi = seed/Q; + lo = seed%Q; + test = A*lo - R*hi; + if(test > 0) + seed = test; + else + seed = test+M; + return(seed); +} + +int +rand(void) +{ + return lrand()%(RAND_MAX+1); +} + +#ifdef MAIN + +main() +{ + int i; + + for(i = 0; i < 10000; i++) + rand(); + if(seed == 1043618065) + printf(" rand: pass\n"); + else + printf("*****rand: fail; seed=%u, should be 1043618065\n", seed); + exit(0); +} +#endif |