Changes to xmalloc.c [branch-1_4]

[Eric Blake]

CVSROOT:        /sources/m4
Module name:    m4
Branch:         branch-1_4
Changes by:     Eric Blake <ericb>      06/06/15 13:13:26

Index: xmalloc.c
===================================================================
RCS file: xmalloc.c
diff -N xmalloc.c
--- xmalloc.c   1 May 2005 11:54:12 -0000       1.1.1.1.2.1
+++ /dev/null   1 Jan 1970 00:00:00 -0000
@@ -1,98 +0,0 @@
-/* xmalloc.c -- malloc with out of memory checking
-
-   Copyright (C) 1990, 1991, 1992, 1993, 1994 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 of the License, 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., 51 Franklin Street, Fifth Floor, Boston, MA
-   02110-1301  USA
-*/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#if __STDC__
-#define VOID void
-#else
-#define VOID char
-#endif
-
-#include <sys/types.h>
-
-#if STDC_HEADERS
-#include <stdlib.h>
-#else
-VOID *malloc ();
-VOID *realloc ();
-void free ();
-#endif
-
-#ifndef EXIT_FAILURE
-#define EXIT_FAILURE 1
-#endif
-
-/* Exit value when the requested amount of memory is not available.
-   The caller may set it to some other value.  */
-int xmalloc_exit_failure = EXIT_FAILURE;
-
-#if __STDC__ && (HAVE_VPRINTF || HAVE_DOPRNT)
-void error (int, int, const char *, ...);
-#else
-void error ();
-#endif
-
-static VOID *
-fixup_null_alloc (n)
-     size_t n;
-{
-  VOID *p;
-
-  p = 0;
-  if (n == 0)
-    p = malloc ((size_t) 1);
-  if (p == 0)
-    error (xmalloc_exit_failure, 0, "memory exhausted");
-  return p;
-}
-
-/* Allocate N bytes of memory dynamically, with error checking.  */
-
-VOID *
-xmalloc (n)
-     size_t n;
-{
-  VOID *p;
-
-  p = malloc (n);
-  if (p == 0)
-    p = fixup_null_alloc (n);
-  return p;
-}
-
-/* Change the size of an allocated block of memory P to N bytes,
-   with error checking.
-   If P is NULL, run xmalloc.  */
-
-VOID *
-xrealloc (p, n)
-     VOID *p;
-     size_t n;
-{
-  if (p == 0)
-    return xmalloc (n);
-  p = realloc (p, n);
-  if (p == 0)
-    p = fixup_null_alloc (n);
-  return p;
-}