void zone_tree_deep_free(zone_tree_t **tree)
{
if (tree == NULL || *tree == NULL) {
return;
}
zone_tree_apply(*tree, zone_tree_free_node, NULL);
zone_tree_free(tree);
}
/*!
* \brief Deletes NSEC3 chain if NSEC should be used.
*
* \param zone Zone to fix.
* \param changeset Changeset to be used.
* \return KNOT_E*
*/
static int delete_nsec3_chain(const zone_contents_t *zone,
changeset_t *changeset)
{
assert(zone);
assert(changeset);
if (zone_tree_is_empty(zone->nsec3_nodes)) {
return KNOT_EOK;
}
zone_tree_t *empty_tree = zone_tree_create();
if (!empty_tree) {
return KNOT_ENOMEM;
}
int result = zone_tree_add_diff(zone->nsec3_nodes, empty_tree,
changeset);
zone_tree_free(&empty_tree);
return result;
}
