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#pragma ident	"%Z%%M%	%I%	%E% SMI"
28
29/*	Copyright (c) 1986 AT&T	*/
30/*	  All Rights Reserved  	*/
31
32
33/*	This module is created for NLS on Sep.03.86		*/
34
35/*
36 * Return the number of characters in the maximum leading segment
37 * of string which consists solely of characters from charset.
38 */
39
40#include "lint.h"
41#include <stdlib.h>
42
43size_t
44wcsspn(const wchar_t *string, const wchar_t *charset)
45{
46	const wchar_t *p, *q;
47
48	for (q = string; *q; ++q) {
49		for (p = charset; *p && *p != *q; ++p)
50			;
51		if (*p == 0)
52			break;
53	}
54	return (q - string);
55}
56
57size_t
58wsspn(const wchar_t *string, const wchar_t *charset)
59{
60	return (wcsspn(string, charset));
61}
62