1 /* Copyright (C) 1991, 1996, 1997, 1998, 2002, 2003, 2004 Free Software
2 Foundation, Inc.
3
4 This file is part of the GNU C Library.
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
9 any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License along
17 with this program; if not, write to the Free Software Foundation,
18 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
19
20 #ifdef HAVE_CONFIG_H
21 # include <config.h>
22 #endif
23
24 #ifndef _LIBC
25 /* Get specification. */
26 # include "strdup.h"
27 #endif
28
29 #include <stdlib.h>
30 #include <string.h>
31
32 #undef __strdup
33 #undef strdup
34
35 #ifndef weak_alias
36 # define __strdup strdup
37 #endif
38
39 /* Duplicate S, returning an identical malloc'd string. */
40 char *
__strdup(const char * s)41 __strdup (const char *s)
42 {
43 size_t len = strlen (s) + 1;
44 void *new = malloc (len);
45
46 if (new == NULL)
47 return NULL;
48
49 return (char *) memcpy (new, s, len);
50 }
51 #ifdef libc_hidden_def
52 libc_hidden_def (__strdup)
53 #endif
54 #ifdef weak_alias
55 weak_alias (__strdup, strdup)
56 #endif
57