xref: /titanic_50/usr/src/lib/libc/port/i18n/wsrchr.c (revision 7257d1b4d25bfac0c802847390e98a464fd787ac)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7257d1b4Sraf  * Common Development and Distribution License (the "License").
6*7257d1b4Sraf  * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate  * and limitations under the License.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate  *
197c478bd9Sstevel@tonic-gate  * CDDL HEADER END
207c478bd9Sstevel@tonic-gate  */
21*7257d1b4Sraf 
227c478bd9Sstevel@tonic-gate /*
23*7257d1b4Sraf  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
247c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate 
277c478bd9Sstevel@tonic-gate /*	Copyright (c) 1986 AT&T	*/
287c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
297c478bd9Sstevel@tonic-gate 
30*7257d1b4Sraf #pragma ident	"%Z%%M%	%I%	%E% SMI"
317c478bd9Sstevel@tonic-gate 
327c478bd9Sstevel@tonic-gate /*
337c478bd9Sstevel@tonic-gate  * Return the ptr in sp at which the character c last appears;
347c478bd9Sstevel@tonic-gate  * Null if not found.
357c478bd9Sstevel@tonic-gate  */
367c478bd9Sstevel@tonic-gate 
37*7257d1b4Sraf #pragma weak _wcsrchr = wcsrchr
38*7257d1b4Sraf #pragma weak _wsrchr = wsrchr
397c478bd9Sstevel@tonic-gate 
407c478bd9Sstevel@tonic-gate #include "lint.h"
417c478bd9Sstevel@tonic-gate #include <stdlib.h>
427c478bd9Sstevel@tonic-gate #include <wchar.h>
437c478bd9Sstevel@tonic-gate 
447c478bd9Sstevel@tonic-gate wchar_t *
wcsrchr(const wchar_t * sp,wchar_t c)45*7257d1b4Sraf wcsrchr(const wchar_t *sp, wchar_t c)
467c478bd9Sstevel@tonic-gate {
477c478bd9Sstevel@tonic-gate 	const wchar_t *r = NULL;
487c478bd9Sstevel@tonic-gate 
497c478bd9Sstevel@tonic-gate 	do {
507c478bd9Sstevel@tonic-gate 		if (*sp == c)
517c478bd9Sstevel@tonic-gate 			r = sp; /* found c in sp */
527c478bd9Sstevel@tonic-gate 	} while (*sp++);
537c478bd9Sstevel@tonic-gate 	return ((wchar_t *)r);
547c478bd9Sstevel@tonic-gate }
557c478bd9Sstevel@tonic-gate 
567c478bd9Sstevel@tonic-gate wchar_t *
wsrchr(const wchar_t * sp,wchar_t c)57*7257d1b4Sraf wsrchr(const wchar_t *sp, wchar_t c)
587c478bd9Sstevel@tonic-gate {
59*7257d1b4Sraf 	return (wcsrchr(sp, c));
607c478bd9Sstevel@tonic-gate }
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