1*635a8641SAndroid Build Coastguard Worker // Copyright 2016 The Chromium Authors. All rights reserved. 2*635a8641SAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be 3*635a8641SAndroid Build Coastguard Worker // found in the LICENSE file. 4*635a8641SAndroid Build Coastguard Worker 5*635a8641SAndroid Build Coastguard Worker #ifndef BASE_MEMORY_FREE_DELETER_H_ 6*635a8641SAndroid Build Coastguard Worker #define BASE_MEMORY_FREE_DELETER_H_ 7*635a8641SAndroid Build Coastguard Worker 8*635a8641SAndroid Build Coastguard Worker #include <stdlib.h> 9*635a8641SAndroid Build Coastguard Worker 10*635a8641SAndroid Build Coastguard Worker namespace base { 11*635a8641SAndroid Build Coastguard Worker 12*635a8641SAndroid Build Coastguard Worker // Function object which invokes 'free' on its parameter, which must be 13*635a8641SAndroid Build Coastguard Worker // a pointer. Can be used to store malloc-allocated pointers in std::unique_ptr: 14*635a8641SAndroid Build Coastguard Worker // 15*635a8641SAndroid Build Coastguard Worker // std::unique_ptr<int, base::FreeDeleter> foo_ptr( 16*635a8641SAndroid Build Coastguard Worker // static_cast<int*>(malloc(sizeof(int)))); 17*635a8641SAndroid Build Coastguard Worker struct FreeDeleter { operatorFreeDeleter18*635a8641SAndroid Build Coastguard Worker inline void operator()(void* ptr) const { 19*635a8641SAndroid Build Coastguard Worker free(ptr); 20*635a8641SAndroid Build Coastguard Worker } 21*635a8641SAndroid Build Coastguard Worker }; 22*635a8641SAndroid Build Coastguard Worker 23*635a8641SAndroid Build Coastguard Worker } // namespace base 24*635a8641SAndroid Build Coastguard Worker 25*635a8641SAndroid Build Coastguard Worker #endif // BASE_MEMORY_FREE_DELETER_H_ 26