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, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* Copyright (c) 1986 AT&T */ 30 /* All Rights Reserved */ 31 32 33 /* This module is created for NLS on Sep.03.86 */ 34 35 /* 36 * Returns a pointer to the first occurrnce of ws1 in ws2. 37 */ 38 39 #pragma weak wcswcs = _wcswcs 40 41 #include "lint.h" 42 #include <stdlib.h> 43 44 wchar_t * 45 _wcswcs(const wchar_t *ws1, const wchar_t *ws2) 46 { 47 const wchar_t *s1, *s2; 48 const wchar_t *tptr; 49 wchar_t c; 50 51 s1 = ws1; 52 s2 = ws2; 53 54 if (s2 == NULL || *s2 == 0) 55 return ((wchar_t *)s1); 56 c = *s2; 57 58 while (*s1) 59 if (*s1++ == c) { 60 tptr = s1; 61 while ((c = *++s2) == *s1++ && c) 62 ; 63 if (c == 0) 64 return ((wchar_t *)tptr - 1); 65 s1 = tptr; 66 s2 = ws2; 67 c = *s2; 68 } 69 return (NULL); 70 } 71