xref: /freebsd/lib/libc/stdio/vsscanf.c (revision 1b0181df2f46ef73a41ea8c9b7026718f8eec3a1)
158f0484fSRodney W. Grimes /*-
258f0484fSRodney W. Grimes  * Copyright (c) 1990, 1993
358f0484fSRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
458f0484fSRodney W. Grimes  *
558f0484fSRodney W. Grimes  * This code is derived from software contributed to Berkeley by
658f0484fSRodney W. Grimes  * Donn Seeley at UUNET Technologies, Inc.
758f0484fSRodney W. Grimes  *
858f0484fSRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
958f0484fSRodney W. Grimes  * modification, are permitted provided that the following conditions
1058f0484fSRodney W. Grimes  * are met:
1158f0484fSRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
1258f0484fSRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
1358f0484fSRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
1458f0484fSRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
1558f0484fSRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
1658f0484fSRodney W. Grimes  * 4. Neither the name of the University nor the names of its contributors
1758f0484fSRodney W. Grimes  *    may be used to endorse or promote products derived from this software
1858f0484fSRodney W. Grimes  *    without specific prior written permission.
1958f0484fSRodney W. Grimes  *
2058f0484fSRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2158f0484fSRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2258f0484fSRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2358f0484fSRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
2458f0484fSRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2558f0484fSRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2658f0484fSRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2758f0484fSRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2858f0484fSRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2958f0484fSRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3058f0484fSRodney W. Grimes  * SUCH DAMAGE.
3158f0484fSRodney W. Grimes  */
3258f0484fSRodney W. Grimes 
3358f0484fSRodney W. Grimes #if defined(LIBC_SCCS) && !defined(lint)
3458f0484fSRodney W. Grimes static char sccsid[] = "@(#)vsscanf.c	8.1 (Berkeley) 6/4/93";
3558f0484fSRodney W. Grimes #endif /* LIBC_SCCS and not lint */
36333fc21eSDavid E. O'Brien #include <sys/cdefs.h>
37333fc21eSDavid E. O'Brien __FBSDID("$FreeBSD$");
3858f0484fSRodney W. Grimes 
3958f0484fSRodney W. Grimes #include <stdio.h>
4058f0484fSRodney W. Grimes #include <string.h>
41e74101e4STim J. Robbins #include "local.h"
4258f0484fSRodney W. Grimes 
43ce51cf03SJames Raynard static int
44c05ac53bSDavid E. O'Brien eofread(void *, char *, int);
45ce51cf03SJames Raynard 
4658f0484fSRodney W. Grimes /* ARGSUSED */
4758f0484fSRodney W. Grimes static int
48c19ee5a0SXin LI eofread(void *cookie, char *buf, int len)
4958f0484fSRodney W. Grimes {
5058f0484fSRodney W. Grimes 
5158f0484fSRodney W. Grimes 	return (0);
5258f0484fSRodney W. Grimes }
5358f0484fSRodney W. Grimes 
54f70177e7SJulian Elischer int
55c19ee5a0SXin LI vsscanf(const char * __restrict str, const char * __restrict fmt,
56c19ee5a0SXin LI 	__va_list ap)
5758f0484fSRodney W. Grimes {
581b0181dfSJohn Baldwin 	FILE f = FAKE_FILE;
5958f0484fSRodney W. Grimes 
6058f0484fSRodney W. Grimes 	f._flags = __SRD;
6158f0484fSRodney W. Grimes 	f._bf._base = f._p = (unsigned char *)str;
6258f0484fSRodney W. Grimes 	f._bf._size = f._r = strlen(str);
6358f0484fSRodney W. Grimes 	f._read = eofread;
6458f0484fSRodney W. Grimes 	return (__svfscanf(&f, fmt, ap));
6558f0484fSRodney W. Grimes }
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