File: udev_util_linux.h

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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_STORAGE_MONITOR_UDEV_UTIL_LINUX_H_
#define COMPONENTS_STORAGE_MONITOR_UDEV_UTIL_LINUX_H_

#include <string>

#include "base/memory/scoped_ptr.h"

struct udev_device;

namespace base {
class FilePath;
}

namespace storage_monitor {

// Wrapper function for udev_device_get_property_value() that also checks for
// valid but empty values.
std::string GetUdevDevicePropertyValue(udev_device* udev_device,
                                       const char* key);

// Helper for udev_device_new_from_syspath()/udev_device_get_property_value()
// pair. |device_path| is the absolute path to the device, including /sys.
bool GetUdevDevicePropertyValueByPath(const base::FilePath& device_path,
                                      const char* key,
                                      std::string* result);

}  // namespace storage_monitor

#endif  // COMPONENTS_STORAGE_MONITOR_UDEV_UTIL_LINUX_H_