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 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 /* 33 * Returns a pointer to the first occurrnce of ws1 in ws2. 34 */ 35 36 #pragma weak _wcswcs = wcswcs 37 38 #include "lint.h" 39 #include <stdlib.h> 40 41 wchar_t * 42 wcswcs(const wchar_t *ws1, const wchar_t *ws2) 43 { 44 const wchar_t *s1, *s2; 45 const wchar_t *tptr; 46 wchar_t c; 47 48 s1 = ws1; 49 s2 = ws2; 50 51 if (s2 == NULL || *s2 == 0) 52 return ((wchar_t *)s1); 53 c = *s2; 54 55 while (*s1) 56 if (*s1++ == c) { 57 tptr = s1; 58 while ((c = *++s2) == *s1++ && c) 59 ; 60 if (c == 0) 61 return ((wchar_t *)tptr - 1); 62 s1 = tptr; 63 s2 = ws2; 64 c = *s2; 65 } 66 return (NULL); 67 } 68