bionic/libc/bionic/tdestroy.cpp
Elliott Hughes e8bcca3a2c Upgrade more functions to the current upstream NetBSD copy.
Change-Id: Ie0b3f8b3fccef28609eb210434413ebd51d6ef45
2012-10-23 12:29:53 -07:00

37 lines
1.1 KiB
C++

/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define _SEARCH_PRIVATE
#include <search.h>
#include <stdlib.h>
// Destroy a tree and free all allocated resources.
// This is a GNU extension, not available from NetBSD.
void tdestroy(void* root, void (*destroy_func)(void*)) {
node_t* root_node = (node_t*) root;
if (root_node == NULL) {
return;
}
if (root_node->llink) {
tdestroy(root_node->llink, destroy_func);
}
if (root_node->rlink) {
tdestroy(root_node->rlink, destroy_func);
}
(*destroy_func)(root_node->key);
free(root);
}