/* $OpenBSD: wcsstr.c,v 1.5 2015/10/01 02:32:07 guenther 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_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) { 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) { return (wchar_t *)p; } p++; } return NULL; } #ifndef WCSWCS DEF_STRONG(wcsstr); #endif