1/*	$OpenBSD: wcsspn.c,v 1.4 2015/09/12 16:23:14 guenther 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#include <wchar.h>
33
34size_t
35wcsspn(const wchar_t *s, const wchar_t *set)
36{
37	const wchar_t *p;
38	const wchar_t *q;
39
40	p = s;
41	while (*p) {
42		q = set;
43		while (*q) {
44			if (*p == *q)
45				break;
46			q++;
47		}
48		if (!*q)
49			goto done;
50		p++;
51	}
52
53done:
54	return (p - s);
55}
56DEF_STRONG(wcsspn);
57