diff options
Diffstat (limited to 'usr/src/lib/libast/common/stdio/setvbuf.c')
| -rw-r--r-- | usr/src/lib/libast/common/stdio/setvbuf.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/usr/src/lib/libast/common/stdio/setvbuf.c b/usr/src/lib/libast/common/stdio/setvbuf.c new file mode 100644 index 0000000000..f271557138 --- /dev/null +++ b/usr/src/lib/libast/common/stdio/setvbuf.c @@ -0,0 +1,48 @@ +/*********************************************************************** +* * +* This software is part of the ast package * +* Copyright (c) 1985-2007 AT&T Knowledge Ventures * +* and is licensed under the * +* Common Public License, Version 1.0 * +* by AT&T Knowledge Ventures * +* * +* A copy of the License is available at * +* http://www.opensource.org/licenses/cpl1.0.txt * +* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * +* * +* Information and Software Systems Research * +* AT&T Research * +* Florham Park NJ * +* * +* Glenn Fowler <gsf@research.att.com> * +* David Korn <dgk@research.att.com> * +* Phong Vo <kpv@research.att.com> * +* * +***********************************************************************/ +#pragma prototyped + +#include "stdhdr.h" + +int +setvbuf(Sfio_t* f, char* buf, int type, size_t size) +{ + STDIO_INT(f, "setvbuf", int, (Sfio_t*, char*, int, size_t), (f, buf, type, size)) + + if (type == _IOLBF) + sfset(f, SF_LINE, 1); + else if (f->flags & SF_STRING) + return -1; + else if (type == _IONBF) + { + sfsync(f); + sfsetbuf(f, NiL, 0); + } + else if (type == _IOFBF) + { + if (size == 0) + size = SF_BUFSIZE; + sfsync(f); + sfsetbuf(f, (Void_t*)buf, size); + } + return 0; +} |