| /* $OpenBSD: wcsstr.c,v 1.3 2005/08/08 08:05:37 espie Exp $ */ |
| /* $NetBSD: wcsstr.c,v 1.3 2003/03/05 20:18:17 tshiozak Exp $ */ |
| |
| /*- |
| * Copyright (c)1999 Citrus Project, |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * citrus Id: wcsstr.c,v 1.2 2000/12/21 05:07:25 itojun Exp |
| */ |
| |
| #include <wchar.h> |
| |
| wchar_t * |
| #ifdef WCSWCS |
| wcswcs(const wchar_t *big, const wchar_t *little) |
| #else |
| wcsstr(const wchar_t *big, const wchar_t *little) |
| #endif |
| { |
| const wchar_t *p; |
| const wchar_t *q; |
| const wchar_t *r; |
| |
| if (!*little) { |
| /* LINTED interface specification */ |
| return (wchar_t *)big; |
| } |
| if (wcslen(big) < wcslen(little)) |
| return NULL; |
| |
| p = big; |
| q = little; |
| while (*p) { |
| q = little; |
| r = p; |
| while (*q) { |
| if (*r != *q) |
| break; |
| q++; |
| r++; |
| } |
| if (!*q) { |
| /* LINTED interface specification */ |
| return (wchar_t *)p; |
| } |
| p++; |
| } |
| return NULL; |
| } |