1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Copyright (c) 2011 The FreeBSD Foundation
8 *
9 * Portions of this software were developed by David Chisnall
10 * under sponsorship from the FreeBSD Foundation.
11 *
12 * This code is derived from software contributed to Berkeley by
13 * Donn Seeley at UUNET Technologies, Inc.
14 *
15 * Redistribution and use in source and binary forms, with or without
16 * modification, are permitted provided that the following conditions
17 * are met:
18 * 1. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in the
22 * documentation and/or other materials provided with the distribution.
23 * 3. Neither the name of the University nor the names of its contributors
24 * may be used to endorse or promote products derived from this software
25 * without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 */
39
40 #if defined(LIBC_SCCS) && !defined(lint)
41 static char sccsid[] = "@(#)vsscanf.c 8.1 (Berkeley) 6/4/93";
42 #endif /* LIBC_SCCS and not lint */
43 #include <stdio.h>
44 #include <string.h>
45 #include "local.h"
46 #include "xlocale_private.h"
47
48 static int
49 eofread(void *, char *, int);
50
51 /* ARGSUSED */
52 static int
eofread(void * cookie,char * buf,int len)53 eofread(void *cookie, char *buf, int len)
54 {
55
56 return (0);
57 }
58
59 int
vsscanf_l(const char * __restrict str,locale_t locale,const char * __restrict fmt,__va_list ap)60 vsscanf_l(const char * __restrict str, locale_t locale,
61 const char * __restrict fmt, __va_list ap)
62 {
63 FILE f = FAKE_FILE;
64 FIX_LOCALE(locale);
65
66 f._flags = __SRD;
67 f._bf._base = f._p = (unsigned char *)str;
68 f._bf._size = f._r = strlen(str);
69 f._read = eofread;
70 return (__svfscanf(&f, locale, fmt, ap));
71 }
72 int
vsscanf(const char * __restrict str,const char * __restrict fmt,__va_list ap)73 vsscanf(const char * __restrict str, const char * __restrict fmt,
74 __va_list ap)
75 {
76 return vsscanf_l(str, __get_locale(), fmt, ap);
77 }
78