New upstream version 1.8

[debian/gzip] / m4 / realloc.m4

diff --git a/m4/realloc.m4 b/m4/realloc.m4
index d477fb470b23259d4b6d88bda502bc48c10a39d5..fc2282544dd9dcef3d9f5e661f032adc50e4fd57 100644 (file)
--- a/m4/realloc.m4
+++ b/m4/realloc.m4
@@ -1,13 +1,13 @@
-# realloc.m4 serial 13
-dnl Copyright (C) 2007, 2009-2013 Free Software Foundation, Inc.
+# realloc.m4 serial 14
+dnl Copyright (C) 2007, 2009-2016 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
 m4_version_prereq([2.70], [] ,[
 
-# This is taken from the following Autoconf patch:
-# http://git.savannah.gnu.org/gitweb/?p=autoconf.git;a=commitdiff;h=7fbb553727ed7e0e689a17594b58559ecf3ea6e9
+# This is adapted with modifications from upstream Autoconf here:
+# http://git.savannah.gnu.org/cgit/autoconf.git/commit/?id=04be2b7a29d65d9a08e64e8e56e594c91749598c
 AC_DEFUN([_AC_FUNC_REALLOC_IF],
 [
   AC_REQUIRE([AC_HEADER_STDC])dnl
@@ -23,7 +23,10 @@ AC_DEFUN([_AC_FUNC_REALLOC_IF],
             char *realloc ();
             #endif
           ]],
-          [[return ! realloc (0, 0);]])
+          [[char *p = realloc (0, 0);
+            int result = !p;
+            free (p);
+            return result;]])
        ],
        [ac_cv_func_realloc_0_nonnull=yes],
        [ac_cv_func_realloc_0_nonnull=no],