xref: /freebsd/lib/libc/stdio/setbuffer.c (revision dc36d6f9bb1753f3808552f3afd30eda9a7b206a)
158f0484fSRodney W. Grimes /*-
2*8a16b7a1SPedro F. Giffuni  * SPDX-License-Identifier: BSD-3-Clause
3*8a16b7a1SPedro F. Giffuni  *
458f0484fSRodney W. Grimes  * Copyright (c) 1990, 1993
558f0484fSRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
658f0484fSRodney W. Grimes  *
758f0484fSRodney W. Grimes  * This code is derived from software contributed to Berkeley by
858f0484fSRodney W. Grimes  * Chris Torek.
958f0484fSRodney W. Grimes  *
1058f0484fSRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
1158f0484fSRodney W. Grimes  * modification, are permitted provided that the following conditions
1258f0484fSRodney W. Grimes  * are met:
1358f0484fSRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
1458f0484fSRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
1558f0484fSRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
1658f0484fSRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
1758f0484fSRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
181d8053c5SEd Maste  * 3. Neither the name of the University nor the names of its contributors
1958f0484fSRodney W. Grimes  *    may be used to endorse or promote products derived from this software
2058f0484fSRodney W. Grimes  *    without specific prior written permission.
2158f0484fSRodney W. Grimes  *
2258f0484fSRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2358f0484fSRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2458f0484fSRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2558f0484fSRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2658f0484fSRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2758f0484fSRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2858f0484fSRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2958f0484fSRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
3058f0484fSRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3158f0484fSRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3258f0484fSRodney W. Grimes  * SUCH DAMAGE.
3358f0484fSRodney W. Grimes  */
3458f0484fSRodney W. Grimes 
3558f0484fSRodney W. Grimes #include <stdio.h>
3658f0484fSRodney W. Grimes 
3758f0484fSRodney W. Grimes void
setbuffer(FILE * fp,char * buf,int size)385a6307cfSEd Maste setbuffer(FILE *fp, char *buf, int size)
3958f0484fSRodney W. Grimes {
4058f0484fSRodney W. Grimes 
41ce51cf03SJames Raynard 	(void)setvbuf(fp, buf, buf ? _IOFBF : _IONBF, (size_t)size);
4258f0484fSRodney W. Grimes }
4358f0484fSRodney W. Grimes 
4458f0484fSRodney W. Grimes /*
4558f0484fSRodney W. Grimes  * set line buffering
4658f0484fSRodney W. Grimes  */
4758f0484fSRodney W. Grimes int
setlinebuf(FILE * fp)485a6307cfSEd Maste setlinebuf(FILE *fp)
4958f0484fSRodney W. Grimes {
5058f0484fSRodney W. Grimes 
5158f0484fSRodney W. Grimes 	return (setvbuf(fp, (char *)NULL, _IOLBF, (size_t)0));
5258f0484fSRodney W. Grimes }
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