1// Copyright 2016 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef BASE_MEMORY_FREE_DELETER_H_
6#define BASE_MEMORY_FREE_DELETER_H_
7
8#include <stdlib.h>
9
10namespace base {
11
12// Function object which invokes 'free' on its parameter, which must be
13// a pointer. Can be used to store malloc-allocated pointers in std::unique_ptr:
14//
15// std::unique_ptr<int, base::FreeDeleter> foo_ptr(
16//     static_cast<int*>(malloc(sizeof(int))));
17struct FreeDeleter {
18  inline void operator()(void* ptr) const {
19    free(ptr);
20  }
21};
22
23}  // namespace base
24
25#endif  // BASE_MEMORY_FREE_DELETER_H_
26