s3:dbwrap: add specific dbwrap_exists implementation to dbwrap_tdb

Signed-off-by: Michael Adam <obnox@samba.org>

diff --git a/source3/lib/dbwrap_tdb.c b/source3/lib/dbwrap_tdb.c
index 98fd255ece41da28e7b102817d9bf768a5042e6e..11d5b9f1d1e742c37df25c7aa8d23401a057b35e 100644 (file)
--- a/source3/lib/dbwrap_tdb.c
+++ b/source3/lib/dbwrap_tdb.c
@@ -178,6 +178,13 @@ static int db_tdb_fetch(struct db_context *db, TALLOC_CTX *mem_ctx,
        return 0;
 }
 
+static int db_tdb_exists(struct db_context *db, TDB_DATA key)
+{
+       struct db_tdb_ctx *ctx = talloc_get_type_abort(
+               db->private_data, struct db_tdb_ctx);
+       return tdb_exists(ctx->wtdb->tdb, key);
+}
+
 static int db_tdb_parse(struct db_context *db, TDB_DATA key,
                        int (*parser)(TDB_DATA key, TDB_DATA data,
                                      void *private_data),
@@ -371,6 +378,7 @@ struct db_context *db_open_tdb(TALLOC_CTX *mem_ctx,
        result->transaction_start = db_tdb_transaction_start;
        result->transaction_commit = db_tdb_transaction_commit;
        result->transaction_cancel = db_tdb_transaction_cancel;
+       result->exists = db_tdb_exists;
        return result;
 
  fail: