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348 lines
7.3 KiB
348 lines
7.3 KiB
/**********************************************************************/
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/** Microsoft Windows/NT **/
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/** Copyright(c) Microsoft Corp., 1991 **/
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/**********************************************************************/
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/*
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getprint.cxx
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This file contains the code for the GET_PRINTERS_DIALOG.
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FILE HISTORY:
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NarenG 25-May-1993 Created
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*/
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#define INCL_NET
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#define INCL_NETLIB
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#define INCL_WINDOWS
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#define INCL_WINDOWS_GDI
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#define INCL_NETERRORS
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#define INCL_DOSERRORS
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#include <lmui.hxx>
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#define INCL_BLT_WINDOW
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#define INCL_BLT_DIALOG
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#define INCL_BLT_CONTROL
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#define INCL_BLT_CLIENT
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#define INCL_BLT_EVENT
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#define INCL_BLT_MISC
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#define INCL_BLT_MSGPOPUP
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#define INCL_BLT_TIMER
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#define INCL_BLT_CC
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#include <blt.hxx>
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#if defined(DEBUG)
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static const CHAR szFileName[] = __FILE__;
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#define _FILENAME_DEFINED_ONCE szFileName
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#endif // DEBUG
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#include <uiassert.hxx>
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#include <dbgstr.hxx>
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extern "C"
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{
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#include <winsock.h>
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#include <atalkwsh.h>
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#include <stdlib.h>
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#include "atalkmon.h"
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#include "dialogs.h"
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DWORD DoNBPLookup( LPVOID Parameter );
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}
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#include "getprint.hxx"
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/*******************************************************************
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NAME: GET_PRINTERS_DIALOG::GET_PRINTERS_DIALOG
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SYNOPSIS: constructor for GET_PRINTERS_DIALOG
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HISTORY:
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NarenG 25-May-1993 Stole from AFPMGR
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********************************************************************/
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GET_PRINTERS_DIALOG::GET_PRINTERS_DIALOG( HWND hWndOwner,
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PNBP_LOOKUP_STRUCT pBuffer )
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: DIALOG_WINDOW(MAKEINTRESOURCE( IDD_GET_PRINTERS_DIALOG ), hWndOwner),
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_timer( this, TIMER_FREQ, FALSE ),
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_progress(this, IDGP_PROGRESS, IDI_PROGRESS_ICON_0, IDI_PROGRESS_NUM_ICONS),
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_sltMessage( this, IDGP_ST_MESSAGE ),
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_nTickCounter( TIMER_MULT )
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{
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if ( QueryError() != NERR_Success )
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{
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return ;
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}
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//
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// Begin NBP lookup
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//
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DWORD tidNBPLookup;
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_hthreadNBPLookup = ::CreateThread(
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NULL, // Default security attributes
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0, // Default stack size
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::DoNBPLookup, // Start address
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pBuffer, // Thread parameter
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0, // Run immediately
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&tidNBPLookup // Thread id
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);
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if ( _hthreadNBPLookup == NULL )
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{
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ReportError( ::GetLastError() );
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return;
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}
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//
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// set the message.
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//
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DWORD err;
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NLS_STR nlsMessage;
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NLS_STR nlsZoneName( pBuffer->wchZone );
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if ( (( err = nlsMessage.QueryError() ) != NERR_Success ) ||
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(( err = nlsZoneName.QueryError() ) != NERR_Success ) )
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{
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ReportError( err );
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return;
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}
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if ( ::_wcsicmp( pBuffer->wchZone, (LPWSTR)TEXT("*") ) == 0 )
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{
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nlsMessage.Load( IDS_NO_ZONE_FOR_PRINTERS );
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}
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else
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{
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nlsMessage.Load( IDS_GETTING_PRINTERS_ON_ZONE );
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err = nlsMessage.InsertParams( nlsZoneName );
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}
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if( err != NERR_Success )
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{
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ReportError( err );
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return;
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}
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_sltMessage.SetText( nlsMessage );
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//
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// set polling timer
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//
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_timer.Enable( TRUE );
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return;
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}
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/*******************************************************************
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NAME: GET_PRINTERS_DIALOG::~GET_PRINTERS_DIALOG
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SYNOPSIS: destructor for SERVICE_WAIT_DIALOG. Stops
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the timer if it has not already been stopped.
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HISTORY:
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NarenG 25-May-1992 Created
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********************************************************************/
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GET_PRINTERS_DIALOG::~GET_PRINTERS_DIALOG( VOID )
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{
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_timer.Enable( FALSE );
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}
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/*******************************************************************
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NAME: GET_PRINTERS_DIALOG::OnTimerNotification
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SYNOPSIS: Virtual callout invoked during WM_TIMER messages.
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ENTRY: tid - TIMER_ID of this timer.
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HISTORY:
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NarenG 25-May-1992 Created
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********************************************************************/
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VOID GET_PRINTERS_DIALOG :: OnTimerNotification( TIMER_ID tid )
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{
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//
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// Bag-out if it's not our timer.
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//
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if( tid != _timer.QueryID() )
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{
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TIMER_CALLOUT :: OnTimerNotification( tid );
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return;
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}
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//
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// Advance the progress indicator.
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//
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_progress.Advance();
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//
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// No need to continue if we're just amusing the user.
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//
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if( --_nTickCounter > 0 )
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{
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return;
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}
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_nTickCounter = TIMER_MULT;
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//
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// Poll the thread doing the lookup to see if the operation is
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// either complete or continuing as expected.
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//
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DWORD dwRetCode = ::WaitForSingleObject( _hthreadNBPLookup, 0 );
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switch ( dwRetCode )
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{
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case WAIT_OBJECT_0:
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if( !::GetExitCodeThread( _hthreadNBPLookup, &dwRetCode ))
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{
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dwRetCode = ::GetLastError();
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}
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::CloseHandle( _hthreadNBPLookup );
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if ( dwRetCode != NO_ERROR )
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{
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::MsgPopup( this, dwRetCode );
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}
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Dismiss( TRUE );
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break;
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case WAIT_TIMEOUT:
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break;
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case WAIT_ABANDONED:
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default:
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::CloseHandle( _hthreadNBPLookup );
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Dismiss( FALSE );
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break;
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}
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return;
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} // GET_PRINTERS_DIALOG :: OnTimerNotification
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BOOL GET_PRINTERS_DIALOG :: OnCancel ( VOID )
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{
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return ( FALSE );
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}
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BOOL GET_PRINTERS_DIALOG :: OnOK ( VOID )
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{
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return ( FALSE );
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}
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/*******************************************************************
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NAME: GET_PRINTERS_DIALOG::OnTimerNotification
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SYNOPSIS: Virtual callout invoked during WM_TIMER messages.
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ENTRY: tid - TIMER_ID of this timer.
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HISTORY:
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NarenG 25-May-1992 Created
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********************************************************************/
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DWORD DoNBPLookup( LPVOID Parameter )
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{
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PNBP_LOOKUP_STRUCT pNbpLookup = (PNBP_LOOKUP_STRUCT)Parameter;
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CHAR chZone[MAX_ENTITY+1];
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PWSH_NBP_TUPLE pwshTuple;
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DWORD err;
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DWORD cbTuples;
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DWORD cPrinters = 100;
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DWORD cTuplesFound = 0;
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SOCKET hSocket = pNbpLookup->hSocket;
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::wcstombs( chZone, pNbpLookup->wchZone, sizeof( chZone ) );
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cbTuples = ( sizeof( WSH_NBP_TUPLE ) * cPrinters );
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pwshTuple = (PWSH_NBP_TUPLE)::LocalAlloc( LPTR, cbTuples );
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if ( pwshTuple == NULL )
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{
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return( ERROR_NOT_ENOUGH_MEMORY );
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}
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do {
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err = ::WinSockNbpLookup(
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hSocket,
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chZone,
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ATALKMON_RELEASED_TYPE,
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"=",
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pwshTuple,
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cbTuples,
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&cTuplesFound );
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if ( err != NO_ERROR )
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{
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::LocalFree( pwshTuple );
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break;
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}
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if ( cTuplesFound == cPrinters )
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{
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PWSH_NBP_TUPLE pTmpwshTuple = NULL;
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cPrinters *= 2;
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cbTuples = sizeof( WSH_NBP_TUPLE ) * cPrinters;
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pTmpwshTuple = (PWSH_NBP_TUPLE)::LocalReAlloc( pwshTuple,
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cbTuples,
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LMEM_MOVEABLE );
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if ( pTmpwshTuple == NULL )
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{
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err = ERROR_NOT_ENOUGH_MEMORY;
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break;
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}
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pwshTuple = pTmpwshTuple;
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}
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else
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{
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pNbpLookup->pPrinters = pwshTuple;
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pNbpLookup->cPrinters = cTuplesFound;
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break;
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}
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} while( TRUE );
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::ExitThread( err );
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return err;
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}
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