1 /* $NetBSD: vsscanf.c,v 1.14 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 * Donn Seeley at UUNET Technologies, Inc.
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 #include <LibConfig.h>
35 #include <sys/EfiCdefs.h>
36 #if defined(LIBC_SCCS) && !defined(lint)
37 #if 0
38 static char sccsid[] = "@(#)vsscanf.c 8.1 (Berkeley) 6/4/93";
39 #else
40 __RCSID("$NetBSD: vsscanf.c,v 1.14 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 <stdio.h>
47 #include <string.h>
48 #include "reentrant.h"
49 #include "local.h"
50
51 static int eofread __P((void *, char *, int));
52
53 /* ARGSUSED */
54 static int
eofread(cookie,buf,len)55 eofread(cookie, buf, len)
56 void *cookie;
57 char *buf;
58 int len;
59 {
60 return (0);
61 }
62
63 int
vsscanf(str,fmt,ap)64 vsscanf(str, fmt, ap)
65 const char *str;
66 const char *fmt;
67 _BSD_VA_LIST_ ap;
68 {
69 FILE f;
70 struct __sfileext fext;
71
72 _DIAGASSERT(str != NULL);
73 _DIAGASSERT(fmt != NULL);
74
75 _FILEEXT_SETUP(&f, &fext);
76 f._flags = __SRD;
77 f._bf._base = f._p = __UNCONST(str);
78 f._bf._size = f._r = strlen(str);
79 f._read = eofread;
80 _UB(&f)._base = NULL;
81 f._lb._base = NULL;
82 return (__svfscanf_unlocked(&f, fmt, ap));
83 }
84