xref: /freebsd/lib/libc/stdio/vsprintf.c (revision 8a16b7a18f5d0b031f09832fd7752fba717e2a97)
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  *
103c87aa1dSDavid Chisnall  * Copyright (c) 2011 The FreeBSD Foundation
113c87aa1dSDavid Chisnall  * All rights reserved.
123c87aa1dSDavid Chisnall  * Portions of this software were developed by David Chisnall
133c87aa1dSDavid Chisnall  * under sponsorship from the FreeBSD Foundation.
143c87aa1dSDavid Chisnall  *
1558f0484fSRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
1658f0484fSRodney W. Grimes  * modification, are permitted provided that the following conditions
1758f0484fSRodney W. Grimes  * are met:
1858f0484fSRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
1958f0484fSRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
2058f0484fSRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
2158f0484fSRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
2258f0484fSRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
231d8053c5SEd Maste  * 3. Neither the name of the University nor the names of its contributors
2458f0484fSRodney W. Grimes  *    may be used to endorse or promote products derived from this software
2558f0484fSRodney W. Grimes  *    without specific prior written permission.
2658f0484fSRodney W. Grimes  *
2758f0484fSRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2858f0484fSRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2958f0484fSRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
3058f0484fSRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
3158f0484fSRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
3258f0484fSRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
3358f0484fSRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
3458f0484fSRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
3558f0484fSRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3658f0484fSRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3758f0484fSRodney W. Grimes  * SUCH DAMAGE.
3858f0484fSRodney W. Grimes  */
3958f0484fSRodney W. Grimes 
4058f0484fSRodney W. Grimes #if defined(LIBC_SCCS) && !defined(lint)
4158f0484fSRodney W. Grimes static char sccsid[] = "@(#)vsprintf.c	8.1 (Berkeley) 6/4/93";
4258f0484fSRodney W. Grimes #endif /* LIBC_SCCS and not lint */
43333fc21eSDavid E. O'Brien #include <sys/cdefs.h>
44333fc21eSDavid E. O'Brien __FBSDID("$FreeBSD$");
4558f0484fSRodney W. Grimes 
4658f0484fSRodney W. Grimes #include <stdio.h>
4758f0484fSRodney W. Grimes #include <limits.h>
48d201fe46SDaniel Eischen #include "local.h"
493c87aa1dSDavid Chisnall #include "xlocale_private.h"
5058f0484fSRodney W. Grimes 
51f70177e7SJulian Elischer int
523c87aa1dSDavid Chisnall vsprintf_l(char * __restrict str, locale_t locale,
533c87aa1dSDavid Chisnall 		const char * __restrict fmt, __va_list ap)
5458f0484fSRodney W. Grimes {
5558f0484fSRodney W. Grimes 	int ret;
561b0181dfSJohn Baldwin 	FILE f = FAKE_FILE;
573c87aa1dSDavid Chisnall 	FIX_LOCALE(locale);
5858f0484fSRodney W. Grimes 
5958f0484fSRodney W. Grimes 	f._flags = __SWR | __SSTR;
6058f0484fSRodney W. Grimes 	f._bf._base = f._p = (unsigned char *)str;
6158f0484fSRodney W. Grimes 	f._bf._size = f._w = INT_MAX;
623c87aa1dSDavid Chisnall 	ret = __vfprintf(&f, locale, fmt, ap);
6358f0484fSRodney W. Grimes 	*f._p = 0;
6458f0484fSRodney W. Grimes 	return (ret);
6558f0484fSRodney W. Grimes }
663c87aa1dSDavid Chisnall int
673c87aa1dSDavid Chisnall vsprintf(char * __restrict str, const char * __restrict fmt, __va_list ap)
683c87aa1dSDavid Chisnall {
693c87aa1dSDavid Chisnall 	return vsprintf_l(str, __get_locale(), fmt, ap);
703c87aa1dSDavid Chisnall }
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