1/* Copyright (C) 1991, 1996-1998, 2002-2004, 2006-2007, 2009-2012 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 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, see <http://www.gnu.org/licenses/>.  */
18
19#ifndef _LIBC
20# include <config.h>
21#endif
22
23/* Get specification.  */
24#include <string.h>
25
26#include <stdlib.h>
27
28#undef __strdup
29#ifdef _LIBC
30# undef strdup
31#endif
32
33#ifndef weak_alias
34# define __strdup strdup
35#endif
36
37/* Duplicate S, returning an identical malloc'd string.  */
38char *
39__strdup (const char *s)
40{
41  size_t len = strlen (s) + 1;
42  void *new = malloc (len);
43
44  if (new == NULL)
45    return NULL;
46
47  return (char *) memcpy (new, s, len);
48}
49#ifdef libc_hidden_def
50libc_hidden_def (__strdup)
51#endif
52#ifdef weak_alias
53weak_alias (__strdup, strdup)
54#endif
55