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
34 size_t
wcsspn(const wchar_t * s,const wchar_t * set)35 wcsspn(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
53 done:
54 return (p - s);
55 }
56 DEF_STRONG(wcsspn);
57