1 /* $NetBSD: realloc.c,v 1.1.1.1 2016/01/13 03:15:30 christos Exp $ */
2
3 /* Work around bug on some systems where realloc (NULL, 0) fails.
4 Copyright (C) 1997 Free Software Foundation, Inc.
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, write to the Free Software Foundation,
18 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
19
20 /* written by Jim Meyering */
21
22 #if HAVE_CONFIG_H
23 # include <config.h>
24 #endif
25 #undef realloc
26
27 #include <sys/types.h>
28
29 char *malloc ();
30 char *realloc ();
31
32 /* Change the size of an allocated block of memory P to N bytes,
33 with error checking. If N is zero, change it to 1. If P is NULL,
34 use malloc. */
35
36 char *
rpl_realloc(p,n)37 rpl_realloc (p, n)
38 char *p;
39 size_t n;
40 {
41 if (n == 0)
42 n = 1;
43 if (p == 0)
44 return malloc (n);
45 return realloc (p, n);
46 }
47