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 /* Copyright (c) 1986 AT&T */
28 /* All Rights Reserved */
29
30
31 /* This module is created for NLS on Sep.03.86 */
32
33 /*
34 * Return the number of characters in the maximum leading segment
35 * of string which consists solely of characters from charset.
36 */
37
38 #include "lint.h"
39 #include <stdlib.h>
40
41 size_t
wcsspn(const wchar_t * string,const wchar_t * charset)42 wcsspn(const wchar_t *string, const wchar_t *charset)
43 {
44 const wchar_t *p, *q;
45
46 for (q = string; *q; ++q) {
47 for (p = charset; *p && *p != *q; ++p)
48 ;
49 if (*p == 0)
50 break;
51 }
52 return (q - string);
53 }
54
55 size_t
wsspn(const wchar_t * string,const wchar_t * charset)56 wsspn(const wchar_t *string, const wchar_t *charset)
57 {
58 return (wcsspn(string, charset));
59 }
60