// 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 BASE_MAC_SCOPED_IOPLUGININTERFACE_H_ #define BASE_MAC_SCOPED_IOPLUGININTERFACE_H_ #include #include "base/mac/scoped_typeref.h" namespace base::mac { namespace internal { template struct ScopedIOPluginInterfaceTraits { static T InvalidValue() { return nullptr; } static T Retain(T t) { (*t)->AddRef(t); return t; } static void Release(T t) { (*t)->Release(t); } }; } // namespace internal // Just like ScopedCFTypeRef but for IOCFPlugInInterface and friends // (IOUSBInterfaceStruct and IOUSBDeviceStruct320 in particular). template using ScopedIOPluginInterface = ScopedTypeRef>; } // namespace base::mac #endif // BASE_MAC_SCOPED_IOPLUGININTERFACE_H_