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 #ifndef SCOPED_READDIR_H 18 #define SCOPED_READDIR_H 19 20 #include <dirent.h> 21 22 #include "private/bionic_macros.h" 23 24 class ScopedReaddir { 25 public: ScopedReaddir(const char * path)26 ScopedReaddir(const char* path) : ScopedReaddir(opendir(path)) { 27 } 28 ScopedReaddir(DIR * dir)29 ScopedReaddir(DIR* dir) { 30 dir_ = dir; 31 } 32 ~ScopedReaddir()33 ~ScopedReaddir() { 34 if (dir_ != NULL) { 35 closedir(dir_); 36 } 37 } 38 IsBad()39 bool IsBad() { 40 return dir_ == NULL; 41 } 42 ReadEntry()43 dirent* ReadEntry() { 44 return readdir(dir_); 45 } 46 47 private: 48 DIR* dir_; 49 50 DISALLOW_COPY_AND_ASSIGN(ScopedReaddir); 51 }; 52 53 #endif // SCOPED_READDIR_H 54