xref: /illumos-gate/usr/src/lib/libc/port/i18n/wsrchr.c (revision 0ccfe5834c3b867c1b6c273cae02ec8922bc0fd2)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1986 AT&T	*/
28 /*	  All Rights Reserved  	*/
29 
30 /*
31  * Return the ptr in sp at which the character c last appears;
32  * Null if not found.
33  */
34 
35 #pragma weak _wcsrchr = wcsrchr
36 #pragma weak _wsrchr = wsrchr
37 
38 #include "lint.h"
39 #include <stdlib.h>
40 #include <wchar.h>
41 
42 wchar_t *
43 wcsrchr(const wchar_t *sp, wchar_t c)
44 {
45 	const wchar_t *r = NULL;
46 
47 	do {
48 		if (*sp == c)
49 			r = sp; /* found c in sp */
50 	} while (*sp++);
51 	return ((wchar_t *)r);
52 }
53 
54 wchar_t *
55 wsrchr(const wchar_t *sp, wchar_t c)
56 {
57 	return (wcsrchr(sp, c));
58 }
59