hash: check insertion for memory exhaustion.

[bison.git] / src / uniqstr.c

diff --git a/src/uniqstr.c b/src/uniqstr.c
index f082f338b27979cf0654dea0a4c4413867020c03..78b8a98d1aa99e2876b01151fb562034ae015120 100644 (file)
--- a/src/uniqstr.c
+++ b/src/uniqstr.c
@@ -1,24 +1,23 @@
 /* Keep a unique copy of strings.
 
 /* Keep a unique copy of strings.
 

-   Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2005, 2009 Free Software Foundation, Inc.

 
    This file is part of Bison, the GNU Compiler Compiler.
 
 
    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
    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
    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"
 
 #include <error.h>
 #include "system.h"
 
 #include <error.h>


@@ -48,7 +47,8 @@ uniqstr_new (char const *str)
     {
       /* First insertion in the hash. */
       res = xstrdup (str);
     {
       /* First insertion in the hash. */
       res = xstrdup (str);

-      hash_insert (uniqstrs_table, res);
+      if (!hash_insert (uniqstrs_table, res))
+        xalloc_die ();

     }
   return res;
 }
     }
   return res;
 }