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
wcscspn(const wchar_t * string,const wchar_t * charset)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
wscspn(const wchar_t * string,const wchar_t * charset)59 wscspn(const wchar_t *string, const wchar_t *charset)
60 {
61 return (wcscspn(string, charset));
62 }
63