1 /*
2  * strdup.c -- version of strdup for systems without one
3  *
4  * Copyright (C)1999-2006 Mark Simpson <damned@theworld.com>
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
17  * along with this program; if not, you can either send email to this
18  * program's maintainer or write to: The Free Software Foundation,
19  * Inc.; 59 Temple Place, Suite 330; Boston, MA 02111-1307, USA.
20  *
21  */
22 #ifdef HAVE_CONFIG_H
23 #  include "config.h"
24 #endif /* HAVE_CONFIG_H */
25 
26 #if !HAVE_STRDUP
27 #include <assert.h>
28 #include <stdio.h>
29 
30 #if STDC_HEADERS
31 #  include <stdlib.h>
32 #else
33 extern size_t strlen (const char *);
34 
35 #  if !HAVE_MEMMOVE
36 #    define memmove(d,s,n) bcopy((s),(d),(n));
37 #  else
38 extern void* memmove (void *, const void *, size_t);
39 #  endif
40 #endif
41 
42 char *
strdup(const char * str)43 strdup (const char *str)
44 {
45     size_t len = strlen(str);
46     char *out = malloc ((len+1) * sizeof (char));
47     memmove (out, str, (len + 1));
48     return out;
49 }
50 #endif /* !HAVE_STRDUP */
51 
52