1 /* 2 * Copyright (c) 2021 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 #include "os/filesystem.h" 17 18 #include <array> 19 #include <climits> 20 #include <cstdlib> 21 22 namespace panda::os { 23 GetAbsolutePath(std::string_view path)24std::string GetAbsolutePath(std::string_view path) 25 { 26 // NOLINTNEXTLINE(cppcoreguidelines-pro-type-member-init) 27 std::array<char, PATH_MAX> resolved_path; 28 auto res = realpath(path.data(), resolved_path.data()); 29 return res == nullptr ? std::string() : res; 30 } 31 32 } // namespace panda::os 33