1/* Copyright (C) 1991, 1996, 1997, 1998, 2002, 2003, 2004, 2006, 2007 Free
2   Software 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 3, 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#ifndef _LIBC
21# include <config.h>
22#endif
23
24/* Get specification.  */
25#include <string.h>
26
27#include <stdlib.h>
28
29#undef __strdup
30#ifdef _LIBC
31# undef strdup
32#endif
33
34#ifndef weak_alias
35# define __strdup strdup
36#endif
37
38/* Duplicate S, returning an identical malloc'd string.  */
39char *
40__strdup (const char *s)
41{
42  size_t len = strlen (s) + 1;
43  void *new = malloc (len);
44
45  if (new == NULL)
46    return NULL;
47
48  return (char *) memcpy (new, s, len);
49}
50#ifdef libc_hidden_def
51libc_hidden_def (__strdup)
52#endif
53#ifdef weak_alias
54weak_alias (__strdup, strdup)
55#endif
56