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 * Returns a pointer to the first occurrnce of ws1 in ws2. 32 */ 33 34 #pragma weak _wcswcs = wcswcs 35 36 #include "lint.h" 37 #include <stdlib.h> 38 39 wchar_t * wcswcs(const wchar_t * ws1,const wchar_t * ws2)40wcswcs(const wchar_t *ws1, const wchar_t *ws2) 41 { 42 const wchar_t *s1, *s2; 43 const wchar_t *tptr; 44 wchar_t c; 45 46 s1 = ws1; 47 s2 = ws2; 48 49 if (s2 == NULL || *s2 == 0) 50 return ((wchar_t *)s1); 51 c = *s2; 52 53 while (*s1) 54 if (*s1++ == c) { 55 tptr = s1; 56 while ((c = *++s2) == *s1++ && c) 57 ; 58 if (c == 0) 59 return ((wchar_t *)tptr - 1); 60 s1 = tptr; 61 s2 = ws2; 62 c = *s2; 63 } 64 return (NULL); 65 } 66