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[libidn.git] / strdup.c
blob6210276273759ec239325fb289790f130c39eac1
1 /* Copyright (C) 1991, 1996, 1997, 1998, 2002 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
7 any later version.
9 This program 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
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License along
15 with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
18 #ifdef HAVE_CONFIG_H
19 #include <config.h>
20 #endif
22 #if defined _LIBC || defined STDC_HEADERS
23 # include <stdlib.h>
24 # include <string.h>
25 #else
26 char *malloc ();
27 char *memcpy ();
28 #endif
30 #undef __strdup
31 #undef strdup
33 #ifndef weak_alias
34 # define __strdup strdup
35 #endif
37 /* Duplicate S, returning an identical malloc'd string. */
38 char *
39 __strdup (const char *s)
41 size_t len = strlen (s) + 1;
42 void *new = malloc (len);
44 if (new == NULL)
45 return NULL;
47 return (char *) memcpy (new, s, len);
50 #ifdef libc_hidden_def
51 libc_hidden_def (__strdup)
52 #endif
53 #ifdef weak_alias
54 weak_alias (__strdup, strdup)
55 #endif