1 files changed, 68 insertions, 0 deletions
diff --git a/compat/dbmseq.c b/compat/dbmseq.c
new file mode 100644
index 0000000..57c8ab9
--- /dev/null
+++ b/compat/dbmseq.c
@@ -0,0 +1,68 @@
+/* dbmseq.c - Visit all elements in the database.  This is the NDBM
+   interface. */
+
+/* This file is part of GDBM, the GNU data base manager.
+   Copyright (C) 1990, 1991, 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"
+
+/* NDBM Start the visit of all keys in the database.  This produces
+   something in hash order, not in any sorted order.  DBF is the dbm file
+   information pointer. */
+
+datum
+dbm_firstkey (DBM *dbm)
+{
+  datum ret_val;
+
+  /* Free previous dynamic memory, do actual call, and save pointer to new
+     memory. */
+  ret_val = gdbm_firstkey (dbm->file);
+  if (dbm->_dbm_memory.dptr != NULL)
+    free (dbm->_dbm_memory.dptr);
+  dbm->_dbm_memory = ret_val;
+  __gdbm_error_to_ndbm (dbm);
+  /* Return the new value. */
+  return ret_val;
+}
+
+
+/* NDBM Continue visiting all keys.  The next key in the sequence is returned.
+   DBF is the file information pointer. */
+
+datum
+dbm_nextkey (DBM *dbm)
+{
+  datum ret_val;
+
+  /* Make sure we have a valid key. */
+  if (dbm->_dbm_memory.dptr == NULL)
+    return dbm->_dbm_memory;
+
+  /* Call gdbm nextkey with the old value. After that, free the old value. */
+  ret_val = gdbm_nextkey (dbm->file, dbm->_dbm_memory);
+  if (dbm->_dbm_memory.dptr != NULL)
+    free (dbm->_dbm_memory.dptr);
+  dbm->_dbm_memory = ret_val;
+  __gdbm_error_to_ndbm (dbm);
+  /* Return the new value. */
+  return ret_val;
+}
+