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 * Return the number of characters in the maximum leading segment 34 * of string which consists solely of characters NOT from charset. 35 */ 36 37 #pragma weak _wcscspn = wcscspn 38 #pragma weak _wscspn = wscspn 39 40 #include "lint.h" 41 #include <stdlib.h> 42 #include <wchar.h> 43 44 size_t 45 wcscspn(const wchar_t *string, const wchar_t *charset) 46 { 47 const wchar_t *p, *q; 48 49 for (q = string; *q != 0; ++q) { 50 for (p = charset; *p != 0 && *p != *q; ++p) 51 ; 52 if (*p != 0) 53 break; 54 } 55 return (q - string); 56 } 57 58 size_t 59 wscspn(const wchar_t *string, const wchar_t *charset) 60 { 61 return (wcscspn(string, charset)); 62 } 63