lib/libc/string/wcspbrk.c

   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: wcspbrk.c,v 1.2 2000/12/21 05:07:25 itojun Exp
  27  * $FreeBSD: head/lib/libc/string/wcspbrk.c 188080 2009-02-03 17:58:20Z danger $
  28  */
  29
  30 #include <wchar.h>
  31
  32 wchar_t *
  33 wcspbrk(const wchar_t *s, const wchar_t *set)
  34 {
  35         const wchar_t *p;
  36         const wchar_t *q;
  37
  38         p = s;
  39         while (*p) {
  40                 q = set;
  41                 while (*q) {
  42                         if (*p == *q) {
  43                                 /* LINTED interface specification */
  44                                 return (wchar_t *)p;
  45                         }
  46                         q++;
  47                 }
  48                 p++;
  49         }
  50         return NULL;
  51 }