| /** |
| * Copyright © 2024 IBM Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "temporary_subdirectory.hpp" |
| |
| #include <errno.h> // for errno |
| #include <stdlib.h> // for mkdtemp() |
| #include <string.h> // for strerror() |
| |
| #include <stdexcept> |
| #include <string> |
| |
| namespace phosphor::power::util |
| { |
| |
| namespace fs = std::filesystem; |
| |
| TemporarySubDirectory::TemporarySubDirectory() |
| { |
| // Build template path required by mkdtemp() |
| std::string templatePath = fs::temp_directory_path() / |
| "phosphor-power-XXXXXX"; |
| |
| // Generate unique subdirectory name and create it. The XXXXXX characters |
| // are replaced by mkdtemp() to make the subdirectory name unique. |
| char* retVal = mkdtemp(templatePath.data()); |
| if (retVal == nullptr) |
| { |
| throw std::runtime_error{ |
| std::string{"Unable to create temporary subdirectory: "} + |
| strerror(errno)}; |
| } |
| |
| // Store path to temporary subdirectory |
| path = templatePath; |
| } |
| |
| TemporarySubDirectory& |
| TemporarySubDirectory::operator=(TemporarySubDirectory&& subdirectory) |
| { |
| // Verify not assigning object to itself (a = std::move(a)) |
| if (this != &subdirectory) |
| { |
| // Delete temporary subdirectory owned by this object |
| remove(); |
| |
| // Move subdirectory path from other object, transferring ownership |
| path = std::move(subdirectory.path); |
| |
| // Clear path in other object; after move path is in unspecified state |
| subdirectory.path.clear(); |
| } |
| return *this; |
| } |
| |
| void TemporarySubDirectory::remove() |
| { |
| if (!path.empty()) |
| { |
| // Delete temporary subdirectory from file system |
| fs::remove_all(path); |
| |
| // Clear path to indicate subdirectory has been deleted |
| path.clear(); |
| } |
| } |
| |
| } // namespace phosphor::power::util |