s3:dbwrap: add specific dbwrap_exists implementation to dbwrap_rbt

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

diff --git a/source3/lib/dbwrap_rbt.c b/source3/lib/dbwrap_rbt.c
index 483fa15bda436ed697028e1453d95acab6419726..70523a8b79a76d0f4fe797429a2ebec7aa399fab 100644 (file)
--- a/source3/lib/dbwrap_rbt.c
+++ b/source3/lib/dbwrap_rbt.c
@@ -324,6 +324,10 @@ static bool db_rbt_search_internal(struct db_context *db, TDB_DATA key, TDB_DATA
        return found;
 }
 
+static int db_rbt_exists(struct db_context *db, TDB_DATA key)
+{
+       return db_rbt_search_internal(db, key, NULL);
+}
 
 static int db_rbt_fetch(struct db_context *db, TALLOC_CTX *mem_ctx,
                        TDB_DATA key, TDB_DATA *data)
@@ -427,6 +431,7 @@ struct db_context *db_open_rbt(TALLOC_CTX *mem_ctx)
        result->transaction_start = db_rbt_trans_dummy;
        result->transaction_commit = db_rbt_trans_dummy;
        result->transaction_cancel = db_rbt_trans_dummy;
+       result->exists = db_rbt_exists;
 
        return result;
 }