sscanf.c revision 1.3 
1/*-
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Chris Torek.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by the University of
19 *	California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37#if defined(LIBC_SCCS) && !defined(lint)
38/*static char *sccsid = "from: @(#)sscanf.c	5.1 (Berkeley) 1/20/91";*/
39static char *rcsid = "$Id: sscanf.c,v 1.3 1993/08/26 00:47:26 jtc Exp $";
40#endif /* LIBC_SCCS and not lint */
41
42#include <stdio.h>
43#include <string.h>
44#if __STDC__
45#include <stdarg.h>
46#else
47#include <varargs.h>
48#endif
49#include "local.h"
50
51/* ARGSUSED */
52static int
53eofread(cookie, buf, len)
54	void *cookie;
55	char *buf;
56	int len;
57{
58
59	return (0);
60}
61
62#if __STDC__
63sscanf(char *str, char const *fmt, ...)
64#else
65sscanf(str, fmt, va_alist)
66	char *str;
67	char *fmt;
68	va_dcl
69#endif
70{
71	int ret;
72	va_list ap;
73	FILE f;
74
75	f._flags = __SRD;
76	f._bf._base = f._p = (unsigned char *)str;
77	f._bf._size = f._r = strlen(str);
78	f._read = eofread;
79	f._ub._base = NULL;
80	f._lb._base = NULL;
81#if __STDC__
82	va_start(ap, fmt);
83#else
84	va_start(ap);
85#endif
86	ret = __svfscanf(&f, fmt, ap);
87	va_end(ap);
88	return (ret);
89}
90