1 /* 2 * Copyright (C) 2010 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 #include <stddef.h> // for size_t 20 21 #include <memory> 22 23 namespace keymaster { 24 25 // Default deleter for pointer types. 26 template <typename T> struct DefaultDelete { 27 enum { type_must_be_complete = sizeof(T) }; DefaultDeleteDefaultDelete28 DefaultDelete() {} operatorDefaultDelete29 void operator()(T* p) const { delete p; } 30 }; 31 32 // Default deleter for array types. 33 template <typename T> struct DefaultDelete<T[]> { 34 enum { type_must_be_complete = sizeof(T) }; 35 void operator()(T* p) const { delete[] p; } 36 }; 37 38 template <class T, class Deleter = std::default_delete<T>> 39 using UniquePtr = std::unique_ptr<T, Deleter>; 40 41 } // namespace keymaster 42