X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fmalloc.c;h=f236f372149ef5c67c2e72aaedc9012b5519ec4f;hb=a731808a4ac512228e870d5f443b91557f418559;hp=5e7674bd47d541f17348164f049d3122f17f1ea9;hpb=89f2b4892655a929a506eff123c9126a88e2c8eb;p=gnulib.git

diff --git a/lib/malloc.c b/lib/malloc.c
index 5e7674bd4..f236f3721 100644
--- a/lib/malloc.c
+++ b/lib/malloc.c
@@ -1,5 +1,6 @@
-/* Work around bug on some systems where malloc (0) fails.
-   Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+/* malloc() function that is glibc compatible.
+
+   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
@@ -13,26 +14,44 @@
 
    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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
-/* written by Jim Meyering */
+/* written by Jim Meyering and Bruno Haible */
 
-#if HAVE_CONFIG_H
-# include <config.h>
+#include <config.h>
+/* Only the AC_FUNC_MALLOC macro defines 'malloc' already in config.h.  */
+#ifdef malloc
+# define NEED_MALLOC_GNU
+# undef malloc
 #endif
-#undef malloc
 
-#include <sys/types.h>
+/* Specification.  */
+#include <stdlib.h>
 
-char *malloc ();
+#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.  */
 
-char *
+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;
 }