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Diffstat (limited to 'lib/xmalloc.c')
-rw-r--r--lib/xmalloc.c37
1 files changed, 18 insertions, 19 deletions
diff --git a/lib/xmalloc.c b/lib/xmalloc.c
index 318e0dd..429b50d 100644
--- a/lib/xmalloc.c
+++ b/lib/xmalloc.c
@@ -1,13 +1,11 @@
/* xmalloc.c -- malloc with out of memory checking
- Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2002, 2003, 2004, 2005, 2006 Free Software Foundation,
- Inc.
+ Copyright (C) 1990-2000, 2002-2006, 2008-2016 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ 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.
+ the Free Software Foundation; either version 3 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
@@ -15,28 +13,21 @@
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. */
+ along with this program. If not, see <http://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>
-#ifndef SIZE_MAX
-# define SIZE_MAX ((size_t) -1)
-#endif
-
/* 1 if calloc is known to be compatible with GNU calloc. This
matters if we are not also using the calloc module, which defines
- HAVE_CALLOC and supports the GNU API even on non-GNU platforms. */
-#if defined HAVE_CALLOC || defined __GLIBC__
+ HAVE_CALLOC_GNU and supports the GNU API even on non-GNU platforms. */
+#if defined HAVE_CALLOC_GNU || (defined __GLIBC__ && !defined __UCLIBC__)
enum { HAVE_GNU_CALLOC = 1 };
#else
enum { HAVE_GNU_CALLOC = 0 };
@@ -59,8 +50,16 @@ xmalloc (size_t n)
void *
xrealloc (void *p, size_t n)
{
+ if (!n && p)
+ {
+ /* The GNU and C99 realloc behaviors disagree here. Act like
+ GNU, even if the underlying realloc is C99. */
+ free (p);
+ return NULL;
+ }
+
p = realloc (p, n);
- if (!p && n != 0)
+ if (!p && n)
xalloc_die ();
return p;
}