1/*	$NetBSD: sscanf.c,v 1.16 2005/11/29 03:12:00 christos 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
38static char sccsid[] = "@(#)sscanf.c	8.1 (Berkeley) 6/4/93";
39#else
40__RCSID("$NetBSD: sscanf.c,v 1.16 2005/11/29 03:12:00 christos Exp $");
41#endif
42#endif /* LIBC_SCCS and not lint */
43
44#include <assert.h>
45#include <errno.h>
46#include <stdarg.h>
47#include <stdio.h>
48#include <string.h>
49
50#include "reentrant.h"
51#include "local.h"
52
53static int eofread __P((void *, char *, int));
54
55/* ARGSUSED */
56static int
57eofread(cookie, buf, len)
58	void *cookie;
59	char *buf;
60	int len;
61{
62
63	return (0);
64}
65
66int
67sscanf(const char *str, char const *fmt, ...)
68{
69	int ret;
70	va_list ap;
71	FILE f;
72	struct __sfileext fext;
73
74	_DIAGASSERT(str != NULL);
75	_DIAGASSERT(fmt != NULL);
76
77	_FILEEXT_SETUP(&f, &fext);
78	f._flags = __SRD;
79	f._bf._base = f._p = __UNCONST(str);
80	f._bf._size = f._r = strlen(str);
81	f._read = eofread;
82	_UB(&f)._base = NULL;
83	va_start(ap, fmt);
84	ret = __svfscanf_unlocked(&f, fmt, ap);
85	va_end(ap);
86	return (ret);
87}
88