1 /* 2 * Copyright (C) 2013 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 <dirent.h> 20 21 #include "platform/bionic/macros.h" 22 23 class ScopedReaddir { 24 public: ScopedReaddir(const char * path)25 explicit ScopedReaddir(const char* path) : ScopedReaddir(opendir(path)) { 26 } 27 ScopedReaddir(DIR * dir)28 explicit ScopedReaddir(DIR* dir) { 29 dir_ = dir; 30 } 31 ~ScopedReaddir()32 ~ScopedReaddir() { 33 if (dir_ != nullptr) { 34 closedir(dir_); 35 } 36 } 37 IsBad()38 bool IsBad() { 39 return dir_ == nullptr; 40 } 41 ReadEntry()42 dirent* ReadEntry() { 43 return readdir(dir_); 44 } 45 46 private: 47 DIR* dir_; 48 49 BIONIC_DISALLOW_COPY_AND_ASSIGN(ScopedReaddir); 50 }; 51