xref: /aosp_15_r20/system/core/fastboot/filesystem.h (revision 00c7fec1bb09f3284aad6a6f96d2f63dfc3650ad)
1*00c7fec1SAndroid Build Coastguard Worker /*
2*00c7fec1SAndroid Build Coastguard Worker  * Copyright (C) 2023 The Android Open Source Project
3*00c7fec1SAndroid Build Coastguard Worker  *
4*00c7fec1SAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*00c7fec1SAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*00c7fec1SAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*00c7fec1SAndroid Build Coastguard Worker  *
8*00c7fec1SAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*00c7fec1SAndroid Build Coastguard Worker  *
10*00c7fec1SAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*00c7fec1SAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*00c7fec1SAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*00c7fec1SAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*00c7fec1SAndroid Build Coastguard Worker  * limitations under the License.
15*00c7fec1SAndroid Build Coastguard Worker  */
16*00c7fec1SAndroid Build Coastguard Worker 
17*00c7fec1SAndroid Build Coastguard Worker #pragma once
18*00c7fec1SAndroid Build Coastguard Worker 
19*00c7fec1SAndroid Build Coastguard Worker #include <android-base/unique_fd.h>
20*00c7fec1SAndroid Build Coastguard Worker 
21*00c7fec1SAndroid Build Coastguard Worker #include <string>
22*00c7fec1SAndroid Build Coastguard Worker 
23*00c7fec1SAndroid Build Coastguard Worker using android::base::unique_fd;
24*00c7fec1SAndroid Build Coastguard Worker 
25*00c7fec1SAndroid Build Coastguard Worker // TODO(b/175635923): remove after enabling libc++fs for windows
26*00c7fec1SAndroid Build Coastguard Worker const char kPathSeparator =
27*00c7fec1SAndroid Build Coastguard Worker #ifdef _WIN32
28*00c7fec1SAndroid Build Coastguard Worker         '\\';
29*00c7fec1SAndroid Build Coastguard Worker #else
30*00c7fec1SAndroid Build Coastguard Worker         '/';
31*00c7fec1SAndroid Build Coastguard Worker #endif
32*00c7fec1SAndroid Build Coastguard Worker 
33*00c7fec1SAndroid Build Coastguard Worker std::string GetHomeDirPath();
34*00c7fec1SAndroid Build Coastguard Worker bool FileExists(const std::string& path);
35*00c7fec1SAndroid Build Coastguard Worker bool EnsureDirectoryExists(const std::string& directory_path);
36*00c7fec1SAndroid Build Coastguard Worker 
37*00c7fec1SAndroid Build Coastguard Worker class FileLock {
38*00c7fec1SAndroid Build Coastguard Worker   public:
39*00c7fec1SAndroid Build Coastguard Worker     FileLock() = delete;
40*00c7fec1SAndroid Build Coastguard Worker     FileLock(const std::string& path);
41*00c7fec1SAndroid Build Coastguard Worker 
42*00c7fec1SAndroid Build Coastguard Worker   private:
43*00c7fec1SAndroid Build Coastguard Worker     unique_fd fd_;
44*00c7fec1SAndroid Build Coastguard Worker };