381 lines
11 KiB
C
381 lines
11 KiB
C
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//
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// Copyright 2001 - Microsoft Corporation
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//
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// Created By:
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// Geoff Pease (GPease) 23-JAN-2001
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//
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// Maintained By:
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// Geoff Pease (GPease) 23-JAN-2001
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//
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// Notes:
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// This is X86 specific for now. It can be adapted for other platforms
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// as required. Since today, most of our developement is done on the
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// X86 platform, there is not a need to do this (yet).
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//
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// Define NO_TRACE_INTERFACES to disable interface tracking in DEBUG
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// builds.
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//
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// Define TRACE_INTERFACES_ENABLED to enable interface tracking in RETAIL
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// builds.
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//
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#pragma once
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//
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// Combine this complex expression in to one simple #define.
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//
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#if ( DBG==1 || defined( _DEBUG ) ) && !defined( NO_TRACE_INTERFACES )
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#define TRACE_INTERFACES_ENABLED
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#endif
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#if defined( _X86_ ) && defined( TRACE_INTERFACES_ENABLED )
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#define FULL_TRACE_INTERFACES_ENABLED
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#endif
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#if defined( TRACE_INTERFACES_ENABLED )
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///////////////////////////////////////
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//
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// BEGIN DEBUG INTERFACE TRACKING
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//
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#pragma message("BUILD: Interface Tracking Enabled")
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//
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// DLL Interface Table Macros
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//
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#define BEGIN_INTERFACETABLE const INTERFACE_TABLE g_itTable = {
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#define DEFINE_INTERFACE( _iid, _name, _count ) { &_iid, TEXT(_name), _count },
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#define END_INTERFACETABLE { NULL, NULL, NULL } };
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///////////////////////////////////////
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//
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// TraceInterface definitions
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//
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typedef struct {
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const struct _GUID * riid;
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LPCTSTR pszName;
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ULONG cFunctions;
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} INTERFACE_TABLE[], INTERFACE_TABLE_ENTRY, * LPINTERFACE_TABLE_ENTRY;
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//
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// Interface Table
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//
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// This table is used in builds in which interface tracking was turned on. It
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// is used to map an name with a particular IID. It also helps the CITracker
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// determine the size of the interfaces Vtable to mimic (haven't figured out
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// a runtime or compile time way to do this).
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//
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extern const INTERFACE_TABLE g_itTable;
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///////////////////////////////////////
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//
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// IID --> Name lookup stuff
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//
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#if defined( DEBUG )
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static const cchGUID_STRING_SIZE = sizeof("{12345678-1234-1234-1234-123456789012}");
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#define PszTraceFindInterface( _riid, _szguid ) \
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( g_tfModule ? PszDebugFindInterface( _riid, _szguid ) : TEXT("riid") )
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LPCTSTR
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PszDebugFindInterface(
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REFIID riidIn,
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LPTSTR pszGuidBufOut
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);
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#endif // DEBUG
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//
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// END DEBUG INTERFACE TRACKING
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//
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///////////////////////////////////////
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#else // !TRACE_INTERFACES_ENABLED
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///////////////////////////////////////
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//
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// BEGIN DEBUG WITHOUT INTERFACE TRACKING
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//
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#define BEGIN_INTERFACETABLE
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#define DEFINE_INTERFACE( _iid, _name, _count )
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#define END_INTERFACETABLE
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//
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// END DEBUG WITHOUT INTERFACE TRACKING
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//
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///////////////////////////////////////
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#endif // TRACE_INTERFACES_ENABLED
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#if defined( FULL_TRACE_INTERFACES_ENABLED )
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///////////////////////////////////////
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//
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// BEGIN DEBUG INTERFACE TRACKING
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//
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#pragma message("BUILD: Full Interface Tracking Enabled")
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//////////////////////////////////////////////////////////////////////////////
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//
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// MACRO
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// _interface *
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// TraceInterface(
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// _nameIn,
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// _interface,
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// _punkIn,
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// _addrefIn
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// )
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//
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// Description:
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// This is the macro wrapper for DebugTrackInterface( ) which is only
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// defined in DEBUG builds. Using the TraceInterface( ) macro eliminates
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// the need for specifying compile time parameters as well as the
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// #ifdef/#endif definitions around the call.
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//
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// This "routine" creates a CITracker for the interface specified by
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// _interface and returns a new punk to the interface. You specify the
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// initial ref count on the interface using the _addrefIn parameter. You
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// can assign a name to the object that the interface refereneces in the
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// _nameIn parameter. The returned punk will be cast to the _interface
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// parameter.
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//
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// If there is insufficent memory to create the CITracker, the _punkIn
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// will be returned instead. There is no need to check the output for
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// failures as they are all handle internally to provide worry-free use.
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//
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// If you are getting an AV after adding tracing to the interface, this
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// usually indicates that the Interface Table entry for that interface
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// is incorrect. Double check the number of methods on the interface
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// against the tables.
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//
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// Arguments:
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// _nameIn - Name of the object this interface references (string).
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// _interface - Name of the interface (typedef).
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// _punkIn - Pointer to interface to track
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// _addrefIn - Initial reference count on the interface.
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//
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// Return Values:
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// a VALID _interface pointer
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// Points to the CITracker that can be used as if it were the
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// orginal _punkIn. If there was insufficent memory, the orginal
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// _punkIn will be returned.
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//
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// NOTES:
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// _addrefIn should be 0 if your going to be giving out the interface
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// from your QueryInterface routine if you AddRef( ) before giving it
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// out (typical QueryInterface( ) routines do this ).
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//
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//////////////////////////////////////////////////////////////////////////////
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#define TraceInterface( _nameIn, _interface, _punkIn, _addrefIn ) \
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reinterpret_cast<_interface*>( \
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DebugTrackInterface( TEXT(__FILE__), \
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__LINE__, \
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__MODULE__, \
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_nameIn, \
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__uuidof(_interface), \
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static_cast<_interface*>( _punkIn), \
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_addrefIn \
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) )
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///////////////////////////////////////
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//
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// CITracker Structures
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//
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typedef HRESULT (CALLBACK *LPFNQUERYINTERFACE)(
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LPUNKNOWN punk,
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REFIID riid,
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LPVOID* ppv );
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typedef ULONG (CALLBACK *LPFNADDREF)(
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LPUNKNOWN punk );
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typedef ULONG (CALLBACK *LPFNRELEASE)(
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LPUNKNOWN punk );
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typedef struct __vtbl {
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LPFNQUERYINTERFACE lpfnQueryInterface;
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LPFNADDREF lpfnAddRef;
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LPFNRELEASE lpfnRelease;
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} VTBL, *LPVTBL;
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typedef struct __vtbl2 {
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ULONG cRef;
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LPUNKNOWN punk;
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LPCTSTR pszInterface;
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DWORD dwSize;
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LPVTBL pNewVtbl;
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// These must be last and in this order: QI, AddRef, Release.
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LPFNQUERYINTERFACE lpfnQueryInterface;
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LPFNADDREF lpfnAddRef;
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LPFNRELEASE lpfnRelease;
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// additional vtbl entries hang off the end
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} VTBL2, *LPVTBL2;
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#define VTBL2OFFSET ( sizeof( VTBL2 ) - ( 3 * sizeof(LPVOID) ) )
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///////////////////////////////////////
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//
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// CITracker Functions
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//
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LPUNKNOWN
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DebugTrackInterface(
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LPCTSTR pszFileIn,
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const int nLineIn,
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LPCTSTR pszModuleIn,
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LPCTSTR pszNameIn,
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REFIID riidIn,
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LPUNKNOWN pvtblIn,
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LONG cRefIn
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);
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///////////////////////////////////////
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//
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// interface IUnknownTracker
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//
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//
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class
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IUnknownTracker :
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public IUnknown
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{
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public:
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STDMETHOD(QueryInterface)( REFIID riid, LPVOID *ppv );
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STDMETHOD_(ULONG, AddRef)( void );
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STDMETHOD_(ULONG, Release)( void );
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STDMETHOD_(void, Stub3 )( void );
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STDMETHOD_(void, Stub4 )( void );
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STDMETHOD_(void, Stub5 )( void );
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STDMETHOD_(void, Stub6 )( void );
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STDMETHOD_(void, Stub7 )( void );
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STDMETHOD_(void, Stub8 )( void );
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STDMETHOD_(void, Stub9 )( void );
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STDMETHOD_(void, Stub10 )( void );
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STDMETHOD_(void, Stub11 )( void );
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STDMETHOD_(void, Stub12 )( void );
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STDMETHOD_(void, Stub13 )( void );
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STDMETHOD_(void, Stub14 )( void );
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STDMETHOD_(void, Stub15 )( void );
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STDMETHOD_(void, Stub16 )( void );
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STDMETHOD_(void, Stub17 )( void );
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STDMETHOD_(void, Stub18 )( void );
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STDMETHOD_(void, Stub19 )( void );
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STDMETHOD_(void, Stub20 )( void );
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STDMETHOD_(void, Stub21 )( void );
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STDMETHOD_(void, Stub22 )( void );
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STDMETHOD_(void, Stub23 )( void );
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STDMETHOD_(void, Stub24 )( void );
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STDMETHOD_(void, Stub25 )( void );
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STDMETHOD_(void, Stub26 )( void );
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STDMETHOD_(void, Stub27 )( void );
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STDMETHOD_(void, Stub28 )( void );
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STDMETHOD_(void, Stub29 )( void );
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STDMETHOD_(void, Stub30 )( void );
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};
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///////////////////////////////////////
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//
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// interface IDeadObjTracker
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//
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class
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IDeadObjTracker
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{
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private: // Members
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VTBL2 m_vtbl;
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public:
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STDMETHOD( Stub0 )( LPVOID* punk );
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STDMETHOD( Stub1 )( LPVOID* punk );
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STDMETHOD( Stub2 )( LPVOID* punk );
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STDMETHOD( Stub3 )( LPVOID* punk );
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STDMETHOD( Stub4 )( LPVOID* punk );
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STDMETHOD( Stub5 )( LPVOID* punk );
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STDMETHOD( Stub6 )( LPVOID* punk );
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STDMETHOD( Stub7 )( LPVOID* punk );
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STDMETHOD( Stub8 )( LPVOID* punk );
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STDMETHOD( Stub9 )( LPVOID* punk );
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STDMETHOD( Stub10 )( LPVOID* punk );
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STDMETHOD( Stub11 )( LPVOID* punk );
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STDMETHOD( Stub12 )( LPVOID* punk );
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STDMETHOD( Stub13 )( LPVOID* punk );
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STDMETHOD( Stub14 )( LPVOID* punk );
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STDMETHOD( Stub15 )( LPVOID* punk );
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STDMETHOD( Stub16 )( LPVOID* punk );
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STDMETHOD( Stub17 )( LPVOID* punk );
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STDMETHOD( Stub18 )( LPVOID* punk );
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STDMETHOD( Stub19 )( LPVOID* punk );
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STDMETHOD( Stub20 )( LPVOID* punk );
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STDMETHOD( Stub21 )( LPVOID* punk );
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STDMETHOD( Stub22 )( LPVOID* punk );
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STDMETHOD( Stub23 )( LPVOID* punk );
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STDMETHOD( Stub24 )( LPVOID* punk );
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STDMETHOD( Stub25 )( LPVOID* punk );
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STDMETHOD( Stub26 )( LPVOID* punk );
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STDMETHOD( Stub27 )( LPVOID* punk );
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STDMETHOD( Stub28 )( LPVOID* punk );
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STDMETHOD( Stub29 )( LPVOID* punk );
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STDMETHOD( Stub30 )( LPVOID* punk );
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};
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///////////////////////////////////////
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//
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// CITracker Class
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//
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class
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CITracker:
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public IUnknownTracker
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{
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private: // Members
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VTBL2 m_vtbl;
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private: // Methods
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CITracker( );
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~CITracker( );
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STDMETHOD(Init)( LPUNKNOWN * ppunkOut,
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LPUNKNOWN punkIn,
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const INTERFACE_TABLE_ENTRY * piteIn,
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LPCTSTR pszNameIn,
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LONG cRefIn
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);
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public: // Methods
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friend LPUNKNOWN DebugTrackInterface( LPCTSTR pszFileIn,
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const int nLineIn,
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LPCTSTR pszModuleIn,
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LPCTSTR pszNameIn,
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REFIID riidIn,
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LPUNKNOWN pvtblIn,
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LONG cRefIn
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);
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// IUnknown
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STDMETHOD(QueryInterface)( REFIID riid, LPVOID *ppv );
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STDMETHOD_(ULONG, AddRef)(void);
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STDMETHOD_(ULONG, Release)(void);
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};
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//
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// END DEBUG WITH FULL INTERFACE TRACKING
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//
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///////////////////////////////////////
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#else // !FULL_TRACE_INTERFACES_ENABLED
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///////////////////////////////////////
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//
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// BEGIN DEBUG WITHOUT FULL INTERFACE TRACKING
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//
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#ifdef _X86_
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#define TraceInterface( _nameIn, _interface, _punkIn, _faddrefIn ) static_cast<##_interface *>( _punkIn )
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#else
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#define TraceInterface( _nameIn, _interface, _punkIn, _faddrefIn ) static_cast<##_interface *>( _punkIn )
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#endif
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//
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// END DEBUG WITHOUT FULL INTERFACE TRACKING
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//
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///////////////////////////////////////
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#endif // FULL_TRACE_INTERFACES_ENABLED
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