1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef FILEMGMT_COMMON_FILE_UTILS_H 17 #define FILEMGMT_COMMON_FILE_UTILS_H 18 19 #include <memory> 20 21 #include "filemgmt_libhilog.h" 22 23 namespace OHOS::FileManagement { 24 template<typename T, typename... Args> CreateSharedPtr(Args &&...args)25std::shared_ptr<T> CreateSharedPtr(Args&&... args) 26 { 27 std::shared_ptr<T> sPtr = nullptr; 28 try { 29 sPtr = std::make_shared<T>(std::forward<Args>(args)...); 30 } catch (const std::bad_alloc&) { 31 return nullptr; 32 } 33 return sPtr; 34 }; 35 36 template<typename T, typename... Args> CreateUniquePtr(Args &&...args)37std::unique_ptr<T> CreateUniquePtr(Args&&... args) 38 { 39 std::unique_ptr<T> uPtr = nullptr; 40 try { 41 uPtr = std::make_unique<T>(std::forward<Args>(args)...); 42 } catch (const std::bad_alloc&) { 43 return nullptr; 44 } 45 return uPtr; 46 } 47 48 } // namespace OHOS::FileManagement 49 #endif // FILEMGMT_COMMON_FILE_UTILS_H 50