1 /*
2 * Copyright (C) 2021 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 #pragma once
18
19 namespace incfs::util {
20
21 // Some tools useful for writing hardened code
22
23 // Clear the passed container and make sure it frees all allocated memory.
24 // Useful for signal handling code where any remaining memory would leak.
25 template <class Container>
clearAndFree(Container & c)26 void clearAndFree(Container& c) {
27 Container().swap(c);
28 }
29
30 } // namespace incfs::util