From e5888a1ffdae813d7575f5fb02275c6bb07e5199 Mon Sep 17 00:00:00 2001 From: Taru Karttunen Date: Wed, 30 Mar 2011 15:46:40 +0300 Subject: Import sources from 2011-03-30 iso image --- sys/src/ape/lib/ap/stdio/setvbuf.c | 39 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100755 sys/src/ape/lib/ap/stdio/setvbuf.c (limited to 'sys/src/ape/lib/ap/stdio/setvbuf.c') 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 +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); +} -- cgit v1.2.3