-/* xmalloc.c -- malloc with out of memory checking
- Copyright (C) 1990-1999, 2000 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. */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <sys/types.h>
-
-#if STDC_HEADERS
-# include <stdlib.h>
-#else
-void *calloc ();
-void *malloc ();
-void *realloc ();
-void free ();
-#endif
-
-#if ENABLE_NLS
-# include <libintl.h>
-# define _(Text) gettext (Text)
-#else
-# define textdomain(Domain)
-# define _(Text) Text
-#endif
-#define N_(Text) Text
-
-#include "error.h"
-#include "xalloc.h"
-
-#ifndef EXIT_FAILURE
-# define EXIT_FAILURE 1
-#endif
-
-#ifndef HAVE_DONE_WORKING_MALLOC_CHECK
-"you must run the autoconf test for a properly working malloc -- see malloc.m4"
-#endif
-
-#ifndef HAVE_DONE_WORKING_REALLOC_CHECK
-"you must run the autoconf test for a properly working realloc --see realloc.m4"
-#endif
-
-/* Exit value when the requested amount of memory is not available.
- The caller may set it to some other value. */
-int xalloc_exit_failure = EXIT_FAILURE;
-
-/* If non NULL, call this function when memory is exhausted. */
-void (*xalloc_fail_func) PARAMS ((void)) = 0;
-
-/* If XALLOC_FAIL_FUNC is NULL, or does return, display this message
- before exiting when memory is exhausted. Goes through gettext. */
-char const xalloc_msg_memory_exhausted[] = N_("memory exhausted");
-
-void
-xalloc_die (void)
-{
- if (xalloc_fail_func)
- (*xalloc_fail_func) ();
- error (xalloc_exit_failure, 0, "%s", _(xalloc_msg_memory_exhausted));
- /* The `noreturn' cannot be given to error, since it may return if
- its first argument is 0. To help compilers understand the
- xalloc_die does terminate, call exit. */
- exit (EXIT_FAILURE);
-}
-
-/* Allocate N bytes of memory dynamically, with error checking. */
-
-void *
-xmalloc (size_t n)
-{
- void *p;
-
- p = malloc (n);
- if (p == 0)
- xalloc_die ();
- return p;
-}
-
-/* Change the size of an allocated block of memory P to N bytes,
- with error checking. */
-
-void *
-xrealloc (void *p, size_t n)
-{
- p = realloc (p, n);
- if (p == 0)
- xalloc_die ();
- return p;
-}
-
-/* Allocate memory for N elements of S bytes, with error checking. */
-
-void *
-xcalloc (size_t n, size_t s)
-{
- void *p;
-
- p = calloc (n, s);
- if (p == 0)
- xalloc_die ();
- return p;
-}