1 files changed, 30 insertions, 0 deletions
diff --git a/compat/dbmrdonly.c b/compat/dbmrdonly.c
new file mode 100644
index 0000000..62e165f
--- /dev/null
+++ b/compat/dbmrdonly.c
@@ -0,0 +1,30 @@
+/* dbmrdonly.c - Check to see if a database is read only, NDBM style. */
+
+/* This file is part of GDBM, the GNU data base manager.
+   Copyright (C) 1993, 2007, 2011 Free Software Foundation, Inc.
+
+   GDBM 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 3, or (at your option)
+   any later version.
+
+   GDBM 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 GDBM. If not, see <http://www.gnu.org/licenses/>.   */
+
+/* Include system configuration before all else. */
+#include "autoconf.h"
+#include "ndbm.h"
+#include "gdbmdefs.h"
+
+/* not much of a routine, but should be a function for compatibility. */
+
+int
+dbm_rdonly (DBM *dbm)
+{
+  return (dbm->file->read_write == GDBM_READER);
+}