2 * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
17 * @file scoped_fclose.h
18 * @author Piotr Marcinkiewicz (p.marcinkiew@samsung.com)
20 * @brief This file is the implementation file of scoped fclose RAII
22 #ifndef DPL_SCOPED_FCLOSE_H
23 #define DPL_SCOPED_FCLOSE_H
31 #include <dpl/log/log.h>
32 #include <dpl/scoped_resource.h>
35 struct ScopedFClosePolicy
38 static Type NullValue()
42 static void Destroy(Type file)
44 if (file != nullptr) {
46 if (TEMP_FAILURE_RETRY(fflush(file)) != 0) {
47 std::string errString = strerror(errno);
48 LogPedantic("Failed to fflush scoped fclose error: "
52 // fclose cannot be retried, try to close once
53 if (fclose(file) != 0) {
54 std::string errString = strerror(errno);
55 LogPedantic("Failed scoped fclose error: " << errString);
61 class ScopedFClose : public ScopedResource<ScopedFClosePolicy>
63 typedef ScopedFClosePolicy Policy;
64 typedef ScopedResource<Policy> BaseType;
67 explicit ScopedFClose(FILE* argFileStream = Policy::NullValue()) :
68 BaseType(argFileStream)
73 #endif // DPL_SCOPED_FCLOSE_H