1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define _SEARCH_PRIVATE 18 #include <search.h> 19 #include <stdlib.h> 20 21 // Destroy a tree and free all allocated resources. 22 // This is a GNU extension, not available from BSD. 23 void tdestroy(void* root, void (*destroy_func)(void*)) { 24 node_t* root_node = reinterpret_cast<node_t*>(root); 25 if (root_node == NULL) { 26 return; 27 } 28 if (root_node->llink) { 29 tdestroy(root_node->llink, destroy_func); 30 } 31 if (root_node->rlink) { 32 tdestroy(root_node->rlink, destroy_func); 33 } 34 (*destroy_func)(root_node->key); 35 free(root); 36 } 37
