1 /* strdup.c -- return a newly allocated copy of a string
2    Copyright (C) 1990 Free Software Foundation, Inc.
3 
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.
8 
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.
13 
14    You should have received a copy of the GNU General Public License
15    along with this program; if not, a copy is available at
16    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
17 
18 #ifdef HAVE_CONFIG_H
19 #include <config.h>
20 #endif
21 
22 #ifdef STDC_HEADERS
23 #include <string.h>
24 #include <stdlib.h>
25 #else
26 char *malloc ();
27 char *strcpy ();
28 #endif
29 
30 /* Return a newly allocated copy of STR,
31    or 0 if out of memory. */
32 
33 char *
strdup(const char * str)34 strdup (const char *str)
35 {
36   char *newstr;
37 
38   newstr = (char *) malloc (strlen (str) + 1);
39   if (newstr)
40     strcpy (newstr, str);
41   return newstr;
42 }
43