third_party/v8/src/base/free_deleter.h

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Slightly adapted for inclusion in V8.
// Copyright 2016 the V8 project authors. All rights reserved.

#ifndef V8_BASE_FREE_DELETER_H_
#define V8_BASE_FREE_DELETER_H_

#include <stdlib.h>

#include <memory>

#include "src/base/platform/wrappers.h"

namespace v8 {
namespace base {

// Function object which invokes 'free' on its parameter, which must be
// a pointer. Can be used to store malloc-allocated pointers in std::unique_ptr:
//
// std::unique_ptr<int, base::FreeDeleter> foo_ptr(
//     static_cast<int*>(malloc(sizeof(int))));
struct FreeDeleter {
  inline void operator()(void* ptr) const { base::Free(ptr); }
};

}  // namespace base
}  // namespace v8

#endif  // V8_BASE_FREE_DELETER_H_