1/* Work around bug on some systems where realloc (NULL, 0) fails.
2   Copyright (C) 1997 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, write to the Free Software Foundation,
16   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
17
18/* written by Jim Meyering */
19
20#if HAVE_CONFIG_H
21# include <config.h>
22#endif
23#undef realloc
24
25#include <sys/types.h>
26
27char *malloc ();
28char *realloc ();
29
30/* Change the size of an allocated block of memory P to N bytes,
31   with error checking.  If N is zero, change it to 1.  If P is NULL,
32   use malloc.  */
33
34char *
35rpl_realloc (p, n)
36     char *p;
37     size_t n;
38{
39  if (n == 0)
40    n = 1;
41  if (p == 0)
42    return malloc (n);
43  return realloc (p, n);
44}
45