Import sources from 2011-03-30 iso image

1 files changed, 223 insertions, 0 deletions

diff --git a/sys/src/9/port/lib.h b/sys/src/9/port/lib.h
new file mode 100755
index 000000000..b72b3ed97
--- /dev/null
+++ b/sys/src/9/port/lib.h
@@ -0,0 +1,223 @@
+/*
+ * functions (possibly) linked in, complete, from libc.
+ */
+#define nelem(x)	(sizeof(x)/sizeof((x)[0]))
+#define offsetof(s, m)	(ulong)(&(((s*)0)->m))
+#define assert(x)	if(x){}else _assert("x")
+
+/*
+ * mem routines
+ */
+extern	void*	memccpy(void*, void*, int, ulong);
+extern	void*	memset(void*, int, ulong);
+extern	int	memcmp(void*, void*, ulong);
+extern	void*	memmove(void*, void*, ulong);
+extern	void*	memchr(void*, int, ulong);
+
+/*
+ * string routines
+ */
+extern	char*	strcat(char*, char*);
+extern	char*	strchr(char*, int);
+extern	char*	strrchr(char*, int);
+extern	int	strcmp(char*, char*);
+extern	char*	strcpy(char*, char*);
+extern	char*	strecpy(char*, char*, char*);
+extern	char*	strncat(char*, char*, long);
+extern	char*	strncpy(char*, char*, long);
+extern	int	strncmp(char*, char*, long);
+extern	long	strlen(char*);
+extern	char*	strstr(char*, char*);
+extern	int	atoi(char*);
+extern	int	fullrune(char*, int);
+extern	int	cistrcmp(char*, char*);
+extern	int	cistrncmp(char*, char*, int);
+
+enum
+{
+	UTFmax		= 3,	/* maximum bytes per rune */
+	Runesync	= 0x80,	/* cannot represent part of a UTF sequence */
+	Runeself	= 0x80,	/* rune and UTF sequences are the same (<) */
+	Runeerror	= 0x80,	/* decoding error in UTF */
+};
+
+/*
+ * rune routines
+ */
+extern	int	runetochar(char*, Rune*);
+extern	int	chartorune(Rune*, char*);
+extern	char*	utfrune(char*, long);
+extern	int	utflen(char*);
+extern	int	utfnlen(char*, long);
+extern	int	runelen(long);
+
+extern	int	abs(int);
+
+/*
+ * print routines
+ */
+typedef struct Fmt	Fmt;
+typedef int (*Fmts)(Fmt*);
+struct Fmt{
+	uchar	runes;			/* output buffer is runes or chars? */
+	void	*start;			/* of buffer */
+	void	*to;			/* current place in the buffer */
+	void	*stop;			/* end of the buffer; overwritten if flush fails */
+	int	(*flush)(Fmt *);	/* called when to == stop */
+	void	*farg;			/* to make flush a closure */
+	int	nfmt;			/* num chars formatted so far */
+	va_list	args;			/* args passed to dofmt */
+	int	r;			/* % format Rune */
+	int	width;
+	int	prec;
+	ulong	flags;
+};
+extern	int	print(char*, ...);
+extern	char*	seprint(char*, char*, char*, ...);
+extern	char*	vseprint(char*, char*, char*, va_list);
+extern	int	snprint(char*, int, char*, ...);
+extern	int	vsnprint(char*, int, char*, va_list);
+extern	int	sprint(char*, char*, ...);
+
+#pragma	varargck	argpos	fmtprint	2
+#pragma	varargck	argpos	print		1
+#pragma	varargck	argpos	seprint		3
+#pragma	varargck	argpos	snprint		3
+#pragma	varargck	argpos	sprint		2
+
+#pragma	varargck	type	"lld"	vlong
+#pragma	varargck	type	"llx"	vlong
+#pragma	varargck	type	"lld"	uvlong
+#pragma	varargck	type	"llx"	uvlong
+#pragma	varargck	type	"ld"	long
+#pragma	varargck	type	"lx"	long
+#pragma	varargck	type	"ld"	ulong
+#pragma	varargck	type	"lx"	ulong
+#pragma	varargck	type	"d"	int
+#pragma	varargck	type	"x"	int
+#pragma	varargck	type	"c"	int
+#pragma	varargck	type	"C"	int
+#pragma	varargck	type	"d"	uint
+#pragma	varargck	type	"x"	uint
+#pragma	varargck	type	"c"	uint
+#pragma	varargck	type	"C"	uint
+#pragma	varargck	type	"s"	char*
+#pragma	varargck	type	"q"	char*
+#pragma	varargck	type	"S"	Rune*
+#pragma	varargck	type	"%"	void
+#pragma	varargck	type	"p"	uintptr
+#pragma	varargck	type	"p"	void*
+#pragma	varargck	flag	','
+
+extern	int	fmtstrinit(Fmt*);
+extern	int	fmtinstall(int, int (*)(Fmt*));
+extern	void	quotefmtinstall(void);
+extern	int	fmtprint(Fmt*, char*, ...);
+extern	int	fmtstrcpy(Fmt*, char*);
+extern	char*	fmtstrflush(Fmt*);
+
+/*
+ * one-of-a-kind
+ */
+extern	char*	cleanname(char*);
+extern	ulong	getcallerpc(void*);
+
+extern	long	strtol(char*, char**, int);
+extern	ulong	strtoul(char*, char**, int);
+extern	vlong	strtoll(char*, char**, int);
+extern	uvlong	strtoull(char*, char**, int);
+extern	char	etext[];
+extern	char	edata[];
+extern	char	end[];
+extern	int	getfields(char*, char**, int, int, char*);
+extern	int	tokenize(char*, char**, int);
+extern	int	dec64(uchar*, int, char*, int);
+extern	int	encodefmt(Fmt*);
+extern	void	qsort(void*, long, long, int (*)(void*, void*));
+
+/*
+ * Syscall data structures
+ */
+#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	0x0017	/* 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 create */
+
+#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 */
+
+typedef struct Qid	Qid;
+typedef struct Dir	Dir;
+typedef struct OWaitmsg	OWaitmsg;
+typedef struct Waitmsg	Waitmsg;
+
+#define	ERRMAX			128	/* max length of error string */
+#define	KNAMELEN		28	/* max length of name held in kernel */
+
+/* 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 QTAUTH		0x08		/* type bit for authentication file */
+#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 */
+
+struct Qid
+{
+	uvlong	path;
+	ulong	vers;
+	uchar	type;
+};
+
+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 */
+};
+
+struct OWaitmsg
+{
+	char	pid[12];	/* of loved one */
+	char	time[3*12];	/* of loved one and descendants */
+	char	msg[64];	/* compatibility BUG */
+};
+
+struct Waitmsg
+{
+	int	pid;		/* of loved one */
+	ulong	time[3];	/* of loved one and descendants */
+	char	msg[ERRMAX];	/* actually variable-size in user mode */
+};