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Changes to m4/modules/gnu.c


From: Gary V . Vaughan
Subject: Changes to m4/modules/gnu.c
Date: Wed, 04 May 2005 14:56:39 -0400

Index: m4/modules/gnu.c
diff -u m4/modules/gnu.c:1.35 m4/modules/gnu.c:1.36
--- m4/modules/gnu.c:1.35       Sun May  1 11:10:05 2005
+++ m4/modules/gnu.c    Wed May  4 18:56:36 2005
@@ -1,5 +1,5 @@
 /* GNU m4 -- A simple macro processor
-   Copyright (C) 2000 Free Software Foundation, Inc.
+   Copyright (C) 2000,2004 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
@@ -520,6 +520,7 @@
       int ch;
 
       m4_sysval_flush (context);
+      errno = 0;
       pin = popen (M4ARG (1), "r");
       if (pin == NULL)
        {




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