version.cpp

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