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 number of characters in the maximum leading segment 32 * of string which consists solely of characters NOT from charset. 33 */ 34 35 #pragma weak _wcscspn = wcscspn 36 #pragma weak _wscspn = wscspn 37 38 #include "lint.h" 39 #include <stdlib.h> 40 #include <wchar.h> 41 42 size_t 43 wcscspn(const wchar_t *string, const wchar_t *charset) 44 { 45 const wchar_t *p, *q; 46 47 for (q = string; *q != 0; ++q) { 48 for (p = charset; *p != 0 && *p != *q; ++p) 49 ; 50 if (*p != 0) 51 break; 52 } 53 return (q - string); 54 } 55 56 size_t 57 wscspn(const wchar_t *string, const wchar_t *charset) 58 { 59 return (wcscspn(string, charset)); 60 } 61