Update to GPLv3.

[bison.git] / src / gram.c

diff --git a/src/gram.c b/src/gram.c
index d6857369e1a43c7cb857e6ea5165f433e3113ff1..1040f072f2a13238f4d385d3d55a1de2c6346286 100644 (file)
--- a/src/gram.c
+++ b/src/gram.c
@@ -1,24 +1,22 @@
 /* Allocate input grammar variables for Bison.
 
-   Copyright (C) 1984, 1986, 1989, 2001, 2002, 2003, 2005 Free
+   Copyright (C) 1984, 1986, 1989, 2001, 2002, 2003, 2005, 2006 Free
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
-   Bison is free software; you can redistribute it and/or modify
+   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
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
 
-   Bison is distributed in the hope that it will be useful,
+   This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with Bison; see the file COPYING.  If not, write to
-   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include "system.h"
@@ -325,7 +323,8 @@ grammar_rules_never_reduced_report (const char *message)
 void
 grammar_free (void)
 {
-  free (ritem);
+  if (ritem)
+    free (ritem - 1);
   free (rules);
   free (token_translations);
   /* Free the symbol table data structure.  */