00001 // Copyright (C) 2006-2007 Benedikt Böhm <hollow@gentoo.org> 00002 // 00003 // This program is free software; you can redistribute it and/or 00004 // modify it under the terms of the GNU General Public License 00005 // as published by the Free Software Foundation; either version 2 00006 // of the License, or (at your option) any later version. 00007 // 00008 // This program is distributed in the hope that it will be useful, 00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00011 // GNU General Public License for more details. 00012 // 00013 // You should have received a copy of the GNU General Public License 00014 // along with this program; if not, write to the Free Software 00015 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA 00016 00017 #include "mem.h" 00018 #include "str.h" 00019 00020 char *str_str(const char *str, const char *needle) 00021 { 00022 int i; 00023 int slen = str_len(str); 00024 int nlen = str_len(needle); 00025 00026 if (nlen < 1) 00027 return (char *) str; 00028 00029 if (nlen > slen) 00030 return 0; 00031 00032 for (i = slen - nlen + 1; i; i--) { 00033 if (mem_cmp(str, needle, nlen) == 0) 00034 return (char *) str; 00035 00036 str++; 00037 } 00038 00039 return 0; 00040 }