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      1 /*-
      2  * Copyright (c)1999 Citrus Project,
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     24  * SUCH DAMAGE.
     25  *
     26  *	citrus Id: wcsspn.c,v 1.1 1999/12/29 21:47:45 tshiozak Exp
     27  */
     28 
     29 #include <sys/cdefs.h>
     30 #if 0
     31 #if defined(LIBC_SCCS) && !defined(lint)
     32 __RCSID("$NetBSD: wcsspn.c,v 1.1 2000/12/23 23:14:37 itojun Exp $");
     33 #endif /* LIBC_SCCS and not lint */
     34 #endif
     35 __FBSDID("$FreeBSD$");
     36 
     37 #include <wchar.h>
     38 
     39 size_t
     40 wcsspn(const wchar_t *s, const wchar_t *set)
     41 {
     42 	const wchar_t *p;
     43 	const wchar_t *q;
     44 
     45 	p = s;
     46 	while (*p) {
     47 		q = set;
     48 		while (*q) {
     49 			if (*p == *q)
     50 				break;
     51 			q++;
     52 		}
     53 		if (!*q)
     54 			goto done;
     55 		p++;
     56 	}
     57 
     58 done:
     59 	return (p - s);
     60 }
     61