node: remove unused function node_set_parent

src/knot/zone/node.c

@@ -346,21 +346,6 @@ knot_rdataset_t *node_rdataset(const zone_node_t *node, uint16_t type)
 	return NULL;
 }
 
-void node_set_parent(zone_node_t *node, zone_node_t *parent)
-{
-	// node must not have any parent previously
-	assert(node != NULL);
-	assert(node->parent == NULL);
-
-	// set the parent
-	node->parent = parent;
-
-	// increase the count of children of the new parent
-	if (parent != NULL) {
-		++parent->children;
-	}
-}
-
 bool node_rrtype_is_signed(const zone_node_t *node, uint16_t type)
 {
 	if (node == NULL) {

src/knot/zone/node.h

@@ -221,14 +221,6 @@ knot_rrset_t *node_create_rrset(const zone_node_t *node, uint16_t type);
  */
 knot_rdataset_t *node_rdataset(const zone_node_t *node, uint16_t type);
 
-/*!
- * \brief Sets the parent of the node. Also adjusts children count of parent.
- *
- * \param node Node to set the parent of.
- * \param parent Parent to set to the node.
- */
-void node_set_parent(zone_node_t *node, zone_node_t *parent);
-
 /*!
  * \brief Returns parent node (fixing bi-node issue) of given node.
  */

tests/knot/test_node.c

@@ -56,14 +56,6 @@ int main(int argc, char *argv[])
 	assert(node);
 	ok(knot_dname_is_equal(node->owner, dummy_owner), "Node: new - set fields");
 
-	// Test parent setting
-	zone_node_t *parent = node_new(dummy_owner, false, false, NULL);
-	assert(parent);
-	node_set_parent(node, parent);
-	ok(node_parent(node) == parent && parent->children == 1, "Node: set parent.");
-
-	node_free(parent, NULL);
-
 	// Test RRSet addition
 	knot_rrset_t *dummy_rrset = create_dummy_rrset(dummy_owner, KNOT_RRTYPE_TXT);
 	int ret = node_add_rrset(node, dummy_rrset, NULL);