diff -r 30113bfbe723 -r b3afb9f1e801 lib/vpwtable/cdb_write.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lib/vpwtable/cdb_write.cc	Sun Jan 20 00:22:09 2008 +0100
@@ -0,0 +1,79 @@
+// Copyright (C) 2000 Bruce Guenter <bruceg@em.ca>
+//
+// 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 of the License, or
+// (at your option) any later version.
+//
+// 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 this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+#include <config.h>
+#include "vpwtable.h"
+#include <stdlib.h>
+#include <unistd.h>
+#include "cdb++/cdb++.h"
+
+class cdb_vpwtable_writer : public vpwtable_writer
+{
+private:
+  const mystring& tmpname;
+  const mystring& cdbname;
+  cdb_writer out;
+  bool opened;
+public:
+  cdb_vpwtable_writer(const mystring& filename);
+  ~cdb_vpwtable_writer();
+  bool operator!() const;
+  bool put(const vpwentry& vpw);
+  bool end();
+  bool abort();
+};
+
+vpwtable_writer* vpwtable::start_write() const
+{
+  return new cdb_vpwtable_writer(filename);
+}
+
+cdb_vpwtable_writer::cdb_vpwtable_writer(const mystring& filename)
+  : tmpname(filename + ".tmp"), cdbname(filename),
+    out(filename, 0600), opened(true)
+{
+}
+
+cdb_vpwtable_writer::~cdb_vpwtable_writer()
+{
+  end();
+}
+
+bool cdb_vpwtable_writer::operator!() const
+{
+  return opened;
+}
+
+bool cdb_vpwtable_writer::put(const vpwentry& vpw)
+{
+  return out.put(vpw.name.lower(), vpw.to_record());
+}
+
+bool cdb_vpwtable_writer::end() 
+{
+  if(!opened)
+    return false;
+  opened = false;
+  return out.end(cdbname);
+}
+
+bool cdb_vpwtable_writer::abort()
+{
+  if(!opened)
+    return false;
+  opened = false;
+  return unlink(tmpname.c_str()) == 0;
+}