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
wcscspn(const wchar_t * string,const wchar_t * charset)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
wscspn(const wchar_t * string,const wchar_t * charset)57 wscspn(const wchar_t *string, const wchar_t *charset)
58 {
59 return (wcscspn(string, charset));
60 }
61