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/udev.h"
9
10namespace storage_monitor {
11
12std::string GetUdevDevicePropertyValue(struct udev_device* udev_device,
13                                       const char* key) {
14  const char* value = udev_device_get_property_value(udev_device, key);
15  return value ? value : std::string();
16}
17
18bool GetUdevDevicePropertyValueByPath(const base::FilePath& device_path,
19                                      const char* key,
20                                      std::string* result) {
21  device::ScopedUdevPtr udev(udev_new());
22  if (!udev.get())
23    return false;
24  device::ScopedUdevDevicePtr device(udev_device_new_from_syspath(
25      udev.get(), device_path.value().c_str()));
26  if (!device.get())
27    return false;
28  *result = GetUdevDevicePropertyValue(device.get(), key);
29  return true;
30}
31
32}  // namespace storage_monitor
33