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389 lines
7.7 KiB
389 lines
7.7 KiB
//////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2000 Microsoft Corporation
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//
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// Module Name:
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// EnumCookies.cpp
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//
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// Description:
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// CEnumCookies implementation.
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//
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// Maintained By:
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// Geoffrey Pease (GPease) 08-MAY-2000
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//
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//////////////////////////////////////////////////////////////////////////////
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#include "pch.h"
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#include "EnumCookies.h"
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#include "ObjectManager.h"
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DEFINE_THISCLASS("CEnumCookies")
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// ************************************************************************
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//
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// Constructor / Destructor
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//
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// ************************************************************************
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//////////////////////////////////////////////////////////////////////////////
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//
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// HRESULT
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// CEnumCookies::S_HrCreateInstance(
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// IUnknown ** ppunkOut
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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HRESULT
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CEnumCookies::S_HrCreateInstance(
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IUnknown ** ppunkOut
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)
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{
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TraceFunc( "" );
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Assert( ppunkOut != NULL );
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HRESULT hr;
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CEnumCookies * pemn = new CEnumCookies;
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if ( pemn != NULL )
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{
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hr = THR( pemn->Init( ) );
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if ( SUCCEEDED( hr ) )
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{
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hr = THR( pemn->TypeSafeQI( IUnknown, ppunkOut ) );
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}
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pemn->Release( );
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}
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else
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{
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hr = E_OUTOFMEMORY;
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}
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HRETURN( hr );
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} // S_HrCreateInstance( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// CEnumCookies::CEnumCookies( void )
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//
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//////////////////////////////////////////////////////////////////////////////
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CEnumCookies::CEnumCookies( void )
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{
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TraceFunc( "" );
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InterlockedIncrement( &g_cObjects );
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TraceFuncExit();
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} // CEnumCookies( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CEnumCookies::Init( void )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CEnumCookies::Init( void )
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{
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TraceFunc( "" );
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HRESULT hr = S_OK;
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// IUnknown stuff
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Assert( m_cRef == 0 );
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AddRef( ); // Add one count
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// IEnumCookies
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Assert( m_cIter == 0 );
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Assert( m_pList == NULL );
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Assert( m_cCookies == 0 );
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HRETURN( hr );
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} // Init( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// CEnumCookies::~CEnumCookies( )
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//
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//////////////////////////////////////////////////////////////////////////////
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CEnumCookies::~CEnumCookies( )
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{
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TraceFunc( "" );
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if ( m_pList != NULL )
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{
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TraceFree( m_pList );
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} // if: m_pList
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InterlockedDecrement( &g_cObjects );
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TraceFuncExit();
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} // ~CEnumCookies( )
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// ************************************************************************
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//
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// IUnknown
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//
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// ************************************************************************
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CEnumCookies::QueryInterface(
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// REFIID riid,
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// LPVOID *ppv
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CEnumCookies::QueryInterface(
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REFIID riid,
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LPVOID *ppv
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)
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{
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TraceQIFunc( riid, ppv );
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HRESULT hr = E_NOINTERFACE;
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if ( IsEqualIID( riid, IID_IUnknown ) )
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{
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*ppv = static_cast< IEnumCookies * >( this );
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hr = S_OK;
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} // if: IUnknown
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else if ( IsEqualIID( riid, IID_IEnumCookies ) )
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{
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*ppv = TraceInterface( __THISCLASS__, IEnumCookies, this, 0 );
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hr = S_OK;
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} // else if: IEnumCookies
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if ( SUCCEEDED( hr ) )
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{
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((IUnknown*) *ppv)->AddRef( );
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} // if: success
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QIRETURN_IGNORESTDMARSHALLING( hr, riid );
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} // QueryInterface( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP_(ULONG)
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// CEnumCookies::AddRef( void )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP_(ULONG)
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CEnumCookies::AddRef( void )
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{
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TraceFunc( "[IUnknown]" );
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InterlockedIncrement( &m_cRef );
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RETURN( m_cRef );
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} // AddRef( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP_(ULONG)
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// CEnumCookies::Release( void )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP_(ULONG)
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CEnumCookies::Release( void )
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{
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TraceFunc( "[IUnknown]" );
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InterlockedDecrement( &m_cRef );
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if ( m_cRef )
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RETURN( m_cRef );
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TraceDo( delete this );
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RETURN(0);
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} // Release( )
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//****************************************************************************
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//
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// IEnumCookies
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//
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//****************************************************************************
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CEnumCookies::Next(
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// ULONG celt,
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// IClusCfgNetworkInfo * rgNetworksOut[],
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// ULONG * pceltFetchedOut
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CEnumCookies::Next(
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ULONG celt,
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OBJECTCOOKIE rgcookieOut[],
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ULONG * pceltFetchedOut
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)
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{
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TraceFunc( "[IEnumCookies]" );
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HRESULT hr = S_OK;
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ULONG cIter;
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//
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// Check parameters
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//
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if ( rgcookieOut == NULL )
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goto InvalidPointer;
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//
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// Loop and coping/addreffing the pccni.
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//
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for( cIter = 0 ; m_cIter < m_cAlloced && cIter < celt ; cIter ++ )
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{
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rgcookieOut[ cIter ] = m_pList[ m_cIter ];
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// Increment the class iter.
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m_cIter++;
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} // for: m_cIter && cIter
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Assert( hr == S_OK );
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if ( cIter != celt )
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{
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hr = S_FALSE;
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}
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if ( pceltFetchedOut != NULL )
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{
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*pceltFetchedOut = cIter;
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}
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Cleanup:
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HRETURN( hr );
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InvalidPointer:
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hr = THR( E_POINTER );
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goto Cleanup;
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} // Next( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CEnumCookies::Skip(
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// ULONG celt
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CEnumCookies::Skip(
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ULONG celt
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)
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{
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TraceFunc( "[IEnumCookies]" );
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HRESULT hr = S_OK;
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m_cIter += celt;
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if ( m_cIter >= m_cAlloced )
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{
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m_cIter = m_cAlloced;
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hr = S_FALSE;
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}
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HRETURN( hr );
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} // Skip( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CEnumCookies::Reset( void )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CEnumCookies::Reset( void )
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{
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TraceFunc( "[IEnumCookies]" );
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HRESULT hr = S_OK;
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m_cIter = 0;
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HRETURN( hr );
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} // Reset( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CEnumCookies::Clone(
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// IEnumCookies ** ppenumOut
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CEnumCookies::Clone(
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IEnumCookies ** ppenumOut
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)
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{
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TraceFunc( "[IEnumCookies]" );
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//
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// KB: not going to implement this method.
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//
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HRESULT hr = THR( E_NOTIMPL );
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HRETURN( hr );
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} // Clone( )
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//////////////////////////////////////////////////////////////////////////////
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//
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// STDMETHODIMP
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// CEnumCookies::Count(
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// DWORD * pnCountOut
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// )
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//
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//////////////////////////////////////////////////////////////////////////////
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STDMETHODIMP
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CEnumCookies::Count(
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DWORD * pnCountOut
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)
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{
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TraceFunc( "[IEnumCookies]" );
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HRESULT hr = S_OK;
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if ( pnCountOut == NULL )
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{
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hr = THR( E_POINTER );
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goto Cleanup;
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}
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*pnCountOut = m_cCookies;
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Cleanup:
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HRETURN( hr );
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}// Count( )
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