11.10Schristos/*	$NetBSD: setbuf.c,v 1.10 2012/03/15 18:22:30 christos Exp $	*/
21.4Sjtc
31.1Scgd/*-
41.4Sjtc * Copyright (c) 1990, 1993
51.4Sjtc *	The Regents of the University of California.  All rights reserved.
61.1Scgd *
71.1Scgd * This code is derived from software contributed to Berkeley by
81.1Scgd * Chris Torek.
91.1Scgd *
101.1Scgd * Redistribution and use in source and binary forms, with or without
111.1Scgd * modification, are permitted provided that the following conditions
121.1Scgd * are met:
131.1Scgd * 1. Redistributions of source code must retain the above copyright
141.1Scgd *    notice, this list of conditions and the following disclaimer.
151.1Scgd * 2. Redistributions in binary form must reproduce the above copyright
161.1Scgd *    notice, this list of conditions and the following disclaimer in the
171.1Scgd *    documentation and/or other materials provided with the distribution.
181.9Sagc * 3. Neither the name of the University nor the names of its contributors
191.1Scgd *    may be used to endorse or promote products derived from this software
201.1Scgd *    without specific prior written permission.
211.1Scgd *
221.1Scgd * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
231.1Scgd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
241.1Scgd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
251.1Scgd * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
261.1Scgd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
271.1Scgd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
281.1Scgd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
291.1Scgd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
301.1Scgd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
311.1Scgd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
321.1Scgd * SUCH DAMAGE.
331.1Scgd */
341.1Scgd
351.5Schristos#include <sys/cdefs.h>
361.1Scgd#if defined(LIBC_SCCS) && !defined(lint)
371.4Sjtc#if 0
381.4Sjtcstatic char sccsid[] = "@(#)setbuf.c	8.1 (Berkeley) 6/4/93";
391.5Schristos#else
401.10Schristos__RCSID("$NetBSD: setbuf.c,v 1.10 2012/03/15 18:22:30 christos Exp $");
411.4Sjtc#endif
421.1Scgd#endif /* LIBC_SCCS and not lint */
431.1Scgd
441.6Slukem#include <assert.h>
451.6Slukem#include <errno.h>
461.1Scgd#include <stdio.h>
471.8Sthorpej#include "reentrant.h"
481.1Scgd#include "local.h"
491.1Scgd
501.1Scgdvoid
511.10Schristossetbuf(FILE *fp, char *buf)
521.1Scgd{
531.6Slukem
541.6Slukem	_DIAGASSERT(fp != NULL);
551.6Slukem	/* buf may be NULL */
561.6Slukem
571.10Schristos	(void)setvbuf(fp, buf, buf ? _IOFBF : _IONBF, BUFSIZ);
581.1Scgd}
59