00001 /*************************************************************************** 00002 * _ _ ____ _ 00003 * Project ___| | | | _ \| | 00004 * / __| | | | |_) | | 00005 * | (__| |_| | _ <| |___ 00006 * \___|\___/|_| \_\_____| 00007 * 00008 * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al. 00009 * 00010 * This software is licensed as described in the file COPYING, which 00011 * you should have received as part of this distribution. The terms 00012 * are also available at https://curl.haxx.se/docs/copyright.html. 00013 * 00014 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 00015 * copies of the Software, and permit persons to whom the Software is 00016 * furnished to do so, under the terms of the COPYING file. 00017 * 00018 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 00019 * KIND, either express or implied. 00020 * 00021 ***************************************************************************/ 00022 #include "tool_strdup.h" 00023 00024 #ifndef HAVE_STRDUP 00025 char *strdup(const char *str) 00026 { 00027 size_t len; 00028 char *newstr; 00029 00030 if(!str) 00031 return (char *)NULL; 00032 00033 len = strlen(str); 00034 00035 if(len >= ((size_t)-1) / sizeof(char)) 00036 return (char *)NULL; 00037 00038 newstr = malloc((len+1)*sizeof(char)); 00039 if(!newstr) 00040 return (char *)NULL; 00041 00042 memcpy(newstr, str, (len+1)*sizeof(char)); 00043 00044 return newstr; 00045 00046 } 00047 #endif