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// Copyright (c) 2012 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 CHROME_BROWSER_STORAGE_MONITOR_UDEV_UTIL_LINUX_H_
#define CHROME_BROWSER_STORAGE_MONITOR_UDEV_UTIL_LINUX_H_
#include <libudev.h>
#include <string>
#include "base/memory/scoped_ptr.h"
namespace base {
class FilePath;
}
namespace chrome {
// Deleter for ScopedUdevObject.
struct UdevDeleter {
void operator()(struct udev* udev);
};
typedef scoped_ptr<struct udev, UdevDeleter> ScopedUdevObject;
// Deleter for ScopedUdevDeviceObject().
struct UdevDeviceDeleter {
void operator()(struct udev_device* device);
};
typedef scoped_ptr<struct udev_device, UdevDeviceDeleter>
ScopedUdevDeviceObject;
// Wrapper function for udev_device_get_property_value() that also checks for
// valid but empty values.
std::string GetUdevDevicePropertyValue(struct 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 chrome
#endif // CHROME_BROWSER_STORAGE_MONITOR_UDEV_UTIL_LINUX_H_
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