| /****************************************************************************** |
| * Copyright (c) 2004, 2008 IBM Corporation |
| * All rights reserved. |
| * This program and the accompanying materials |
| * are made available under the terms of the BSD License |
| * which accompanies this distribution, and is available at |
| * http://www.opensource.org/licenses/bsd-license.php |
| * |
| * Contributors: |
| * IBM Corporation - initial implementation |
| *****************************************************************************/ |
| |
| #include <string.h> |
| |
| char * |
| strstr(const char *hay, const char *needle) |
| { |
| char *pos; |
| int hlen, nlen; |
| |
| if (hay == NULL || needle == NULL) |
| return NULL; |
| |
| hlen = strlen(hay); |
| nlen = strlen(needle); |
| if (nlen < 1) |
| return (char *)hay; |
| |
| for (pos = (char *)hay; pos < hay + hlen; pos++) { |
| if (strncmp(pos, needle, nlen) == 0) { |
| return pos; |
| } |
| } |
| |
| return NULL; |
| } |
| |