zone-tree: add some binode asserts

diff --git a/src/knot/zone/zone-tree.c b/src/knot/zone/zone-tree.c
index 01406af56b5816cbbae0a17283937c4eeb824dc7..c50f8559e25c224e6f66c7ef23aaad5aafeb1f9c 100644 (file)
--- a/src/knot/zone/zone-tree.c
+++ b/src/knot/zone/zone-tree.c
@@ -38,6 +38,7 @@ static int tree_apply_cb(trie_val_t *node, void *data)
 {
        zone_tree_func_t *f = (zone_tree_func_t *)data;
        zone_node_t *n = (zone_node_t *)(*node) + f->binode_second;
+       assert(!f->binode_second || (n->flags & NODE_FLAGS_SECOND));
        return f->func(n, f->data);
 }
 
@@ -325,7 +326,9 @@ bool zone_tree_it_finished(zone_tree_it_t *it)
 
 zone_node_t *zone_tree_it_val(zone_tree_it_t *it)
 {
-       return (zone_node_t *)(*trie_it_val(it->it)) + it->binode_second;
+       zone_node_t *node = (zone_node_t *)(*trie_it_val(it->it)) + it->binode_second;
+       assert(!it->binode_second || (node->flags & NODE_FLAGS_SECOND));
+       return node;
 }
 
 void zone_tree_it_del(zone_tree_it_t *it)