14887Schin /***********************************************************************
24887Schin * *
34887Schin * This software is part of the ast package *
4*12068SRoger.Faulkner@Oracle.COM * Copyright (c) 1985-2010 AT&T Intellectual Property *
54887Schin * and is licensed under the *
64887Schin * Common Public License, Version 1.0 *
78462SApril.Chin@Sun.COM * by AT&T Intellectual Property *
84887Schin * *
94887Schin * A copy of the License is available at *
104887Schin * http://www.opensource.org/licenses/cpl1.0.txt *
114887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
124887Schin * *
134887Schin * Information and Software Systems Research *
144887Schin * AT&T Research *
154887Schin * Florham Park NJ *
164887Schin * *
174887Schin * Glenn Fowler <gsf@research.att.com> *
184887Schin * David Korn <dgk@research.att.com> *
194887Schin * Phong Vo <kpv@research.att.com> *
204887Schin * *
214887Schin ***********************************************************************/
224887Schin #pragma prototyped
234887Schin
244887Schin #include "stdhdr.h"
254887Schin
264887Schin int
setvbuf(Sfio_t * f,char * buf,int type,size_t size)274887Schin setvbuf(Sfio_t* f, char* buf, int type, size_t size)
284887Schin {
294887Schin STDIO_INT(f, "setvbuf", int, (Sfio_t*, char*, int, size_t), (f, buf, type, size))
304887Schin
314887Schin if (type == _IOLBF)
324887Schin sfset(f, SF_LINE, 1);
334887Schin else if (f->flags & SF_STRING)
344887Schin return -1;
354887Schin else if (type == _IONBF)
364887Schin {
374887Schin sfsync(f);
384887Schin sfsetbuf(f, NiL, 0);
394887Schin }
404887Schin else if (type == _IOFBF)
414887Schin {
424887Schin if (size == 0)
434887Schin size = SF_BUFSIZE;
444887Schin sfsync(f);
454887Schin sfsetbuf(f, (Void_t*)buf, size);
464887Schin }
474887Schin return 0;
484887Schin }
49