You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
66 lines
1.7 KiB
66 lines
1.7 KiB
// |
|
// Copyright (C) 2016 The Android Open Source Project |
|
// |
|
// Licensed under the Apache License, Version 2.0 (the "License"); |
|
// you may not use this file except in compliance with the License. |
|
// You may obtain a copy of the License at |
|
// |
|
// http://www.apache.org/licenses/LICENSE-2.0 |
|
// |
|
// Unless required by applicable law or agreed to in writing, software |
|
// distributed under the License is distributed on an "AS IS" BASIS, |
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
// See the License for the specific language governing permissions and |
|
// limitations under the License. |
|
// |
|
|
|
#include "update_engine/utils_android.h" |
|
|
|
#include <cutils/properties.h> |
|
#include <fs_mgr.h> |
|
|
|
using std::string; |
|
|
|
namespace chromeos_update_engine { |
|
|
|
namespace { |
|
|
|
// Open the appropriate fstab file and fallback to /fstab.device if |
|
// that's what's being used. |
|
static struct fstab* OpenFSTab() { |
|
struct fstab* fstab = fs_mgr_read_fstab_default(); |
|
if (fstab != nullptr) |
|
return fstab; |
|
|
|
fstab = fs_mgr_read_fstab("/fstab.device"); |
|
return fstab; |
|
} |
|
|
|
} // namespace |
|
|
|
namespace utils { |
|
|
|
bool DeviceForMountPoint(const string& mount_point, base::FilePath* device) { |
|
struct fstab* fstab; |
|
struct fstab_rec* record; |
|
|
|
fstab = OpenFSTab(); |
|
if (fstab == nullptr) { |
|
LOG(ERROR) << "Error opening fstab file."; |
|
return false; |
|
} |
|
record = fs_mgr_get_entry_for_mount_point(fstab, mount_point.c_str()); |
|
if (record == nullptr) { |
|
LOG(ERROR) << "Error finding " << mount_point << " entry in fstab file."; |
|
fs_mgr_free_fstab(fstab); |
|
return false; |
|
} |
|
|
|
*device = base::FilePath(record->blk_device); |
|
fs_mgr_free_fstab(fstab); |
|
return true; |
|
} |
|
|
|
} // namespace utils |
|
|
|
} // namespace chromeos_update_engine
|
|
|