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