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.
5 #ifndef DEVICE_HID_UDEV_COMMON_H_
6 #define DEVICE_HID_UDEV_COMMON_H_
10 #include "base/memory/scoped_ptr.h"
14 template <typename T, void func(T*)>
15 void DiscardReturnType(T* arg) {
19 template <typename T, T* func(T*)>
20 void DiscardReturnType(T* arg) {
24 template <typename T, void func(T*)>
26 void operator()(T* enumerate) const {
27 if (enumerate != NULL)
32 typedef Deleter<udev, DiscardReturnType<udev, udev_unref> > UdevDeleter;
33 typedef Deleter<udev_enumerate,
34 DiscardReturnType<udev_enumerate, udev_enumerate_unref> >
36 typedef Deleter<udev_device, DiscardReturnType<udev_device, udev_device_unref> >
38 typedef Deleter<udev_monitor,
39 DiscardReturnType<udev_monitor, udev_monitor_unref> >
42 typedef scoped_ptr<udev, UdevDeleter> ScopedUdevPtr;
43 typedef scoped_ptr<udev_enumerate, UdevEnumerateDeleter> ScopedUdevEnumeratePtr;
44 typedef scoped_ptr<udev_device, UdevDeviceDeleter> ScopedUdevDevicePtr;
45 typedef scoped_ptr<udev_monitor, UdevMonitorDeleter> ScopedUdevMonitorPtr;
49 #endif // DEVICE_HID_UDEV_COMMON_H_