/* xmalloc.c -- malloc with out of memory checking
- Copyright (C) 1990-2000, 2002-2006, 2008-2012 Free Software Foundation, Inc.
+ Copyright (C) 1990-2000, 2002-2006, 2008-2018 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
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, see <http://www.gnu.org/licenses/>. */
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
#include <config.h>
-#if ! HAVE_INLINE
-# define static_inline
-#endif
+#define XALLOC_INLINE _GL_EXTERN_INLINE
+
#include "xalloc.h"
-#undef static_inline
#include <stdlib.h>
#include <string.h>
xcalloc (size_t n, size_t s)
{
void *p;
- /* Test for overflow, since some calloc implementations don't have
- proper overflow checks. But omit overflow and size-zero tests if
- HAVE_GNU_CALLOC, since GNU calloc catches overflow and never
- returns NULL if successful. */
- if ((! HAVE_GNU_CALLOC && xalloc_oversized (n, s))
+ /* Test for overflow, since objects with size greater than
+ PTRDIFF_MAX cause pointer subtraction to go awry. Omit size-zero
+ tests if HAVE_GNU_CALLOC, since GNU calloc never returns NULL if
+ successful. */
+ if (xalloc_oversized (n, s)
|| (! (p = calloc (n, s)) && (HAVE_GNU_CALLOC || n != 0)))
xalloc_die ();
return p;