X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fmalloc.c;h=f236f372149ef5c67c2e72aaedc9012b5519ec4f;hb=f4c549fab688ce822556eadcf60fdda5042ade11;hp=d4dae3e182de32c4586304cc33c683f99c0b5f95;hpb=0632e115747ff96e93330c88f536d7354a7ce507;p=gnulib.git

diff --git a/lib/malloc.c b/lib/malloc.c
index d4dae3e18..f236f3721 100644
--- a/lib/malloc.c
+++ b/lib/malloc.c
@@ -1,6 +1,6 @@
 /* malloc() function that is glibc compatible.
 
-   Copyright (C) 1997, 1998, 2006 Free Software Foundation, Inc.
+   Copyright (C) 1997-1998, 2006-2007, 2009-2010 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
@@ -16,20 +16,42 @@
    along with this program; if not, write to the Free Software Foundation,
    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
-/* written by Jim Meyering */
+/* written by Jim Meyering and Bruno Haible */
 
 #include <config.h>
-#undef malloc
+/* Only the AC_FUNC_MALLOC macro defines 'malloc' already in config.h.  */
+#ifdef malloc
+# define NEED_MALLOC_GNU
+# undef malloc
+#endif
 
+/* Specification.  */
 #include <stdlib.h>
 
+#include <errno.h>
+
+/* Call the system's malloc below.  */
+#undef malloc
+
 /* Allocate an N-byte block of memory from the heap.
    If N is zero, allocate a 1-byte block.  */
 
 void *
 rpl_malloc (size_t n)
 {
+  void *result;
+
+#ifdef NEED_MALLOC_GNU
   if (n == 0)
     n = 1;
-  return malloc (n);
+#endif
+
+  result = malloc (n);
+
+#if !HAVE_MALLOC_POSIX
+  if (result == NULL)
+    errno = ENOMEM;
+#endif
+
+  return result;
 }