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6d7e8eda | 1 | /* Copyright (C) 1991-2023 Free Software Foundation, Inc. |
c84142e8 UD |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
c84142e8 UD |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
c84142e8 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
c84142e8 UD |
17 | |
18 | #ifdef HAVE_CONFIG_H | |
19 | #include <config.h> | |
20 | #endif | |
21 | ||
22 | #if defined _LIBC || defined STDC_HEADERS | |
23 | # include <stdlib.h> | |
24 | # include <string.h> | |
25 | #else | |
26 | char *malloc (); | |
0d8733c4 | 27 | char *memcpy (); |
c84142e8 UD |
28 | #endif |
29 | ||
7551a1e5 UD |
30 | #undef __strdup |
31 | #undef strdup | |
32 | ||
c84142e8 UD |
33 | #ifndef weak_alias |
34 | # define __strdup strdup | |
35 | #endif | |
28f540f4 RM |
36 | |
37 | /* Duplicate S, returning an identical malloc'd string. */ | |
38 | char * | |
6dbe2837 | 39 | __strdup (const char *s) |
28f540f4 | 40 | { |
6dbe2837 RM |
41 | size_t len = strlen (s) + 1; |
42 | void *new = malloc (len); | |
28f540f4 RM |
43 | |
44 | if (new == NULL) | |
45 | return NULL; | |
46 | ||
706074a5 | 47 | return (char *) memcpy (new, s, len); |
28f540f4 | 48 | } |
5b070c75 UD |
49 | #ifdef libc_hidden_def |
50 | libc_hidden_def (__strdup) | |
51 | #endif | |
c84142e8 | 52 | #ifdef weak_alias |
6dbe2837 | 53 | weak_alias (__strdup, strdup) |
c84142e8 | 54 | #endif |