xref: /minix3/lib/libc/stdio/sscanf.c (revision 84d9c625bfea59e274550651111ae9edfdc40fbd)
1 /*	$NetBSD: sscanf.c,v 1.21 2013/04/19 23:32:17 joerg Exp $	*/
2 
3 /*-
4  * Copyright (c) 1990, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Chris Torek.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #include <sys/cdefs.h>
36 #if defined(LIBC_SCCS) && !defined(lint)
37 #if 0
38 static char sccsid[] = "@(#)sscanf.c	8.1 (Berkeley) 6/4/93";
39 #else
40 __RCSID("$NetBSD: sscanf.c,v 1.21 2013/04/19 23:32:17 joerg Exp $");
41 #endif
42 #endif /* LIBC_SCCS and not lint */
43 
44 #include "namespace.h"
45 
46 #include <assert.h>
47 #include <errno.h>
48 #include <stdarg.h>
49 #include <stdio.h>
50 #include <string.h>
51 
52 #include "reentrant.h"
53 #include "local.h"
54 
__weak_alias(sscanf_l,_sscanf_l)55 __weak_alias(sscanf_l, _sscanf_l)
56 
57 int
58 sscanf(const char *str, char const *fmt, ...)
59 {
60 	int ret;
61 	va_list ap;
62 
63 	_DIAGASSERT(fmt != NULL);
64 
65 	va_start(ap, fmt);
66 	ret = vsscanf(str, fmt, ap);
67 	va_end(ap);
68 	return ret;
69 }
70 
71 int
sscanf_l(const char * str,locale_t loc,char const * fmt,...)72 sscanf_l(const char *str, locale_t loc, char const *fmt, ...)
73 {
74 	int ret;
75 	va_list ap;
76 
77 	_DIAGASSERT(fmt != NULL);
78 
79 	va_start(ap, fmt);
80 	ret = vsscanf_l(str, loc, fmt, ap);
81 	va_end(ap);
82 	return ret;
83 }
84