/* Work around bug on some systems where realloc (NULL, 0) fails.   Copyright (C) 1997 Free Software Foundation, Inc.   This program is free software; you can redistribute it and/or modify   it under the terms of the GNU General Public License as published by   the Free Software Foundation; either version 2, or (at your option)   any later version.   This program is distributed in the hope that it will be useful,   but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   GNU General Public License for more details.   You should have received a copy of the GNU General Public License   along with this program; if not, write to the Free Software Foundation,   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  *//* written by Jim Meyering */#if HAVE_CONFIG_H# include <config.h>#endif#undef realloc#include <sys/types.h>char *malloc ();char *realloc ();/* Change the size of an allocated block of memory P to N bytes,   with error checking.  If N is zero, change it to 1.  If P is NULL,   use malloc.  */char *rpl_realloc (p, n)     char *p;     size_t n;{  if (n == 0)    n = 1;  if (p == 0)    return malloc (n);  return realloc (p, n);}