lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /*************************************************************************** |
| 2 | * _ _ ____ _ |
| 3 | * Project ___| | | | _ \| | |
| 4 | * / __| | | | |_) | | |
| 5 | * | (__| |_| | _ <| |___ |
| 6 | * \___|\___/|_| \_\_____| |
| 7 | * |
| 8 | * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al. |
| 9 | * |
| 10 | * This software is licensed as described in the file COPYING, which |
| 11 | * you should have received as part of this distribution. The terms |
| 12 | * are also available at https://curl.haxx.se/docs/copyright.html. |
| 13 | * |
| 14 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell |
| 15 | * copies of the Software, and permit persons to whom the Software is |
| 16 | * furnished to do so, under the terms of the COPYING file. |
| 17 | * |
| 18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY |
| 19 | * KIND, either express or implied. |
| 20 | * |
| 21 | ***************************************************************************/ |
| 22 | #include "tool_strdup.h" |
| 23 | |
| 24 | #ifndef HAVE_STRDUP |
| 25 | char *strdup(const char *str) |
| 26 | { |
| 27 | size_t len; |
| 28 | char *newstr; |
| 29 | |
| 30 | if(!str) |
| 31 | return (char *)NULL; |
| 32 | |
| 33 | len = strlen(str); |
| 34 | |
| 35 | if(len >= ((size_t)-1) / sizeof(char)) |
| 36 | return (char *)NULL; |
| 37 | |
| 38 | newstr = malloc((len+1)*sizeof(char)); |
| 39 | if(!newstr) |
| 40 | return (char *)NULL; |
| 41 | |
| 42 | memcpy(newstr, str, (len+1)*sizeof(char)); |
| 43 | |
| 44 | return newstr; |
| 45 | |
| 46 | } |
| 47 | #endif |