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107 lines
2 KiB
C++
107 lines
2 KiB
C++
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS Kernel Streaming
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* FILE: drivers/wdm/audio/backpln/portcls/version.cpp
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* PURPOSE: Implements IPortClsVersion interface
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* PROGRAMMER: Johannes Anderwald
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*/
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#include "private.hpp"
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#ifndef YDEBUG
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#define NDEBUG
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#endif
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#include <debug.h>
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class CPortClsVersion : public IPortClsVersion
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{
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public:
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STDMETHODIMP QueryInterface( REFIID InterfaceId, PVOID* Interface);
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STDMETHODIMP_(ULONG) AddRef()
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{
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InterlockedIncrement(&m_Ref);
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return m_Ref;
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}
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STDMETHODIMP_(ULONG) Release()
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{
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InterlockedDecrement(&m_Ref);
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if (!m_Ref)
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{
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delete this;
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return 0;
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}
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return m_Ref;
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}
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IMP_IPortClsVersion;
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CPortClsVersion(IUnknown *OuterUnknown)
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{
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m_Ref = 0;
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}
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virtual ~CPortClsVersion()
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{
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}
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protected:
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LONG m_Ref;
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};
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//---------------------------------------------------------------
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// IPortClsVersion interface functions
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//
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NTSTATUS
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NTAPI
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CPortClsVersion::QueryInterface(
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IN REFIID refiid,
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OUT PVOID* Output)
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{
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UNICODE_STRING GuidString;
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if (IsEqualGUIDAligned(refiid, IID_IPortClsVersion) ||
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IsEqualGUIDAligned(refiid, IID_IUnknown))
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{
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*Output = PVOID(PPORTCLSVERSION(this));
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PUNKNOWN(*Output)->AddRef();
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return STATUS_SUCCESS;
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}
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if (RtlStringFromGUID(refiid, &GuidString) == STATUS_SUCCESS)
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{
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DPRINT1("CPortClsVersion::QueryInterface no interface!!! iface %S\n", GuidString.Buffer);
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RtlFreeUnicodeString(&GuidString);
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}
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return STATUS_UNSUCCESSFUL;
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}
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DWORD
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NTAPI
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CPortClsVersion::GetVersion()
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{
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return kVersionWinXP_UAAQFE;
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}
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NTSTATUS NewPortClsVersion(
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OUT PPORTCLSVERSION * OutVersion)
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{
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CPortClsVersion * This = new(NonPagedPool, TAG_PORTCLASS) CPortClsVersion(NULL);
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if (!This)
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return STATUS_INSUFFICIENT_RESOURCES;
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This->AddRef();
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*OutVersion = (PPORTCLSVERSION)This;
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return STATUS_SUCCESS;
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}
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