Import upstream version 1.29

[debian/tar] / gnu / xmalloc.c

diff --git a/gnu/xmalloc.c b/gnu/xmalloc.c
index 1ec5f88eee77c0e540c7fbafa1f7c1c4b4e2ef49..e246559f873bcc5f497526a235a268363a813444 100644 (file)
--- a/gnu/xmalloc.c
+++ b/gnu/xmalloc.c
@@ -1,10 +1,6 @@
-/* -*- buffer-read-only: t -*- vi: set ro: */
-/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
 /* 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, 2008, 2009, 2010 Free Software
-   Foundation, Inc.
+   Copyright (C) 1990-2000, 2002-2006, 2008-2015 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
@@ -21,11 +17,9 @@
 
 #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>
@@ -33,7 +27,7 @@
 /* 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_GNU and supports the GNU API even on non-GNU platforms.  */
-#if defined HAVE_CALLOC_GNU || defined __GLIBC__
+#if defined HAVE_CALLOC_GNU || (defined __GLIBC__ && !defined __UCLIBC__)
 enum { HAVE_GNU_CALLOC = 1 };
 #else
 enum { HAVE_GNU_CALLOC = 0 };
@@ -56,8 +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;
 }