xref: /freebsd/lib/libc/string/wcspbrk.c (revision 5956d97f4b3204318ceb6aa9c77bd0bc6ea87a41)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c)1999 Citrus Project,
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  *	citrus Id: wcspbrk.c,v 1.2 2000/12/21 05:07:25 itojun Exp
29  */
30 
31 #include <sys/cdefs.h>
32 #if 0
33 #if defined(LIBC_SCCS) && !defined(lint)
34 __RCSID("$NetBSD: wcspbrk.c,v 1.1 2000/12/23 23:14:37 itojun Exp $");
35 #endif /* LIBC_SCCS and not lint */
36 #endif
37 __FBSDID("$FreeBSD$");
38 
39 #include <wchar.h>
40 
41 wchar_t *
42 wcspbrk(const wchar_t *s, const wchar_t *set)
43 {
44 	const wchar_t *p;
45 	const wchar_t *q;
46 
47 	p = s;
48 	while (*p) {
49 		q = set;
50 		while (*q) {
51 			if (*p == *q) {
52 				/* LINTED interface specification */
53 				return (wchar_t *)p;
54 			}
55 			q++;
56 		}
57 		p++;
58 	}
59 	return NULL;
60 }
61