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      1 /*	$NetBSD: wcsspn.c,v 1.4 2011/11/21 15:02:48 joerg Exp $	*/
      2 
      3 /*-
      4  * Copyright (c)1999,2001 Citrus Project,
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  *
     28  *	$Citrus: xpg4dl/FreeBSD/lib/libc/string/wcsspn.c,v 1.3 2001/09/21 16:06:43 yamt Exp $
     29  */
     30 
     31 #include <sys/cdefs.h>
     32 __RCSID("$NetBSD: wcsspn.c,v 1.4 2011/11/21 15:02:48 joerg Exp $");
     33 
     34 #include <assert.h>
     35 #include <wchar.h>
     36 
     37 size_t
     38 wcsspn(const wchar_t *s, const wchar_t *set)
     39 {
     40 	const wchar_t *p;
     41 	const wchar_t *q;
     42 
     43 	_DIAGASSERT(s != NULL);
     44 	_DIAGASSERT(set != NULL);
     45 
     46 	for (p = s; *p; ++p) {
     47 		for (q = set; *q; ++q) {
     48 			if (*p == *q)
     49 				break;
     50 		}
     51 		if (!*q)
     52 			break;
     53 	}
     54 
     55 	return (p - s);
     56 }
     57