wcsspn.c revision 1.1 
1/*	$OpenBSD: wcsspn.c,v 1.1 2005/04/13 16:35:58 espie Exp $	*/
2/*	$NetBSD: wcsspn.c,v 1.3 2001/09/21 16:09:15 yamt Exp $	*/
3
4/*-
5 * Copyright (c)1999,2001 Citrus Project,
6 * All rights reserved.
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 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 *	$Citrus: xpg4dl/FreeBSD/lib/libc/string/wcsspn.c,v 1.3 2001/09/21 16:06:43 yamt Exp $
30 */
31
32#if defined(LIBC_SCCS) && !defined(lint)
33static char *rcsid = "$OpenBSD: wcsspn.c,v 1.1 2005/04/13 16:35:58 espie Exp $";
34#endif /* LIBC_SCCS and not lint */
35
36#include <wchar.h>
37
38size_t
39wcsspn(s, set)
40	const wchar_t *s;
41	const wchar_t *set;
42{
43	const wchar_t *p;
44	const wchar_t *q;
45
46	p = s;
47	while (*p) {
48		q = set;
49		while (*q) {
50			if (*p == *q)
51				break;
52			q++;
53		}
54		if (!*q)
55			goto done;
56		p++;
57	}
58
59done:
60	return (p - s);
61}
62