1 /* $NetBSD: wcschr.c,v 1.4 2005/06/04 20:09:56 dsl Exp $ */
2
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: wcschr.c,v 1.2 2000/12/21 05:07:25 itojun Exp
29 */
30
31 #include <sys/cdefs.h>
32 #if defined(LIBC_SCCS) && !defined(lint)
33 __RCSID("$NetBSD: wcschr.c,v 1.4 2005/06/04 20:09:56 dsl Exp $");
34 #endif /* LIBC_SCCS and not lint */
35
36 #include <assert.h>
37 #include <wchar.h>
38
39 wchar_t *
wcschr(const wchar_t * p,wchar_t c)40 wcschr(const wchar_t *p, wchar_t c)
41 {
42 _DIAGASSERT(p != NULL);
43
44 for (;; ++p) {
45 if (*p == c) {
46 /* LINTED interface specification */
47 return __UNCONST(p);
48 }
49 if (!*p)
50 return NULL;
51 }
52 /*NOTREACHED*/
53 }
54