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-rw-r--r--gl/strdup.c55
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1/* Copyright (C) 1991, 1996, 1997, 1998, 2002, 2003, 2004, 2006 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 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#ifndef _LIBC
21# include <config.h>
22/* Get specification. */
23# include "strdup.h"
24#endif
25
26#include <stdlib.h>
27#include <string.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