components/storage_monitor/udev_util_linux.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/storage_monitor/udev_util_linux.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "device/udev_linux/scoped_udev.h"
   9
  10 namespace storage_monitor {
  11
  12 bool GetUdevDevicePropertyValueByPath(const base::FilePath& device_path,
  13                                       const char* key,
  14                                       std::string* result) {
  15   device::ScopedUdevPtr udev(device::udev_new());
  16   if (!udev.get())
  17     return false;
  18   device::ScopedUdevDevicePtr device(device::udev_device_new_from_syspath(
  19       udev.get(), device_path.value().c_str()));
  20   if (!device.get())
  21     return false;
  22   *result = device::UdevDeviceGetPropertyValue(device.get(), key);
  23   return true;
  24 }
  25
  26 }  // namespace storage_monitor