729 lines
18 KiB
C
729 lines
18 KiB
C
|
/*++
|
||
|
|
|
||
|
|
Copyright (c) 1993 Microsoft Corporation
|
||
|
|
|
||
|
|
Module Name:
|
||
|
|
|
||
|
|
dosspool.c
|
||
|
|
|
||
|
|
Abstract:
|
||
|
|
|
||
|
|
Contains the entry points for the functions that live in a
|
||
|
|
separate DLL. The entry points are made available here, but
|
||
|
|
will not load the WINSPOOL.DRV until it is needed.
|
||
|
|
|
||
|
|
Contains:
|
||
|
|
|
||
|
|
Author:
|
||
|
|
|
||
|
|
Congpa You (CongpaY) 22-Jan-1993
|
||
|
|
|
||
|
|
Environment:
|
||
|
|
|
||
|
|
Notes:
|
||
|
|
|
||
|
|
Revision History:
|
||
|
|
|
||
|
|
--*/
|
||
|
|
#include <windows.h>
|
||
|
|
#include <netdebug.h> // NetpAssert()
|
||
|
|
#include "dosspool.h"
|
||
|
|
#include "myspool.h"
|
||
|
|
|
||
|
|
/*
|
||
|
|
* global defines.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define WINSPOOL_DLL_NAME TEXT("WINSPOOL.DRV")
|
||
|
|
|
||
|
|
/*
|
||
|
|
* global data.
|
||
|
|
*
|
||
|
|
* here we store handles to the MPRUI dll and pointers to the function
|
||
|
|
* all of below is protect in multi threaded case with MprLoadLibSemaphore.
|
||
|
|
*/
|
||
|
|
|
||
|
|
HINSTANCE vhWinspoolDll = NULL ;
|
||
|
|
|
||
|
|
PF_ClosePrinter pfClosePrinter = NULL ;
|
||
|
|
PF_EnumJobsA pfEnumJobsA = NULL ;
|
||
|
|
PF_EnumPrintersA pfEnumPrintersA = NULL ;
|
||
|
|
PF_GetJobA pfGetJobA = NULL ;
|
||
|
|
PF_GetPrinterA pfGetPrinterA = NULL ;
|
||
|
|
PF_OpenPrinterA pfOpenPrinterA = NULL ;
|
||
|
|
PF_OpenPrinterW pfOpenPrinterW = NULL ;
|
||
|
|
PF_SetJobA pfSetJobA = NULL ;
|
||
|
|
PF_SetPrinterW pfSetPrinterW = NULL ;
|
||
|
|
PF_GetPrinterDriverA pfGetPrinterDriverA = NULL;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* global functions
|
||
|
|
*/
|
||
|
|
BOOL MakeSureDllIsLoaded(void) ;
|
||
|
|
|
||
|
|
/*******************************************************************
|
||
|
|
|
||
|
|
NAME: GetFileNameA
|
||
|
|
|
||
|
|
SYNOPSIS: Gets the filename part from a fully qualified path
|
||
|
|
|
||
|
|
|
||
|
|
HISTORY:
|
||
|
|
MuhuntS 06-Feb-1996 Created
|
||
|
|
|
||
|
|
********************************************************************/
|
||
|
|
LPSTR
|
||
|
|
GetFileNameA(
|
||
|
|
LPSTR pPathName
|
||
|
|
)
|
||
|
|
{
|
||
|
|
LPSTR pSlash = pPathName, pTemp;
|
||
|
|
|
||
|
|
if ( pSlash ) {
|
||
|
|
|
||
|
|
while ( pTemp = strchr(pSlash, '\\') )
|
||
|
|
pSlash = pTemp+1;
|
||
|
|
|
||
|
|
if ( !*pSlash )
|
||
|
|
pSlash = NULL;
|
||
|
|
|
||
|
|
NetpAssert(pSlash != NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
return pSlash;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************
|
||
|
|
|
||
|
|
NAME: GetDependentFileNameA
|
||
|
|
|
||
|
|
SYNOPSIS: Gets the dependent filename to send to Win95. Normally just
|
||
|
|
the file name part. But for ICM files this would be
|
||
|
|
Color\<filename>
|
||
|
|
|
||
|
|
|
||
|
|
HISTORY:
|
||
|
|
MuhuntS 23-Apr-1997 Created
|
||
|
|
|
||
|
|
********************************************************************/
|
||
|
|
LPSTR
|
||
|
|
GetDependentFileNameA(
|
||
|
|
LPSTR pPathName
|
||
|
|
)
|
||
|
|
{
|
||
|
|
LPSTR pRet = GetFileNameA(pPathName), p;
|
||
|
|
|
||
|
|
if (pRet)
|
||
|
|
{
|
||
|
|
DWORD dwLen = strlen(pRet);
|
||
|
|
|
||
|
|
p = pRet+dwLen-4;
|
||
|
|
|
||
|
|
if ( dwLen > 3 &&
|
||
|
|
( !_stricmp(p, ".ICM") ||
|
||
|
|
!_stricmp(p, ".ICC") ) &&
|
||
|
|
(p = pRet - 7) > pPathName &&
|
||
|
|
!_strnicmp(p, "\\Color\\", 7) ) {
|
||
|
|
|
||
|
|
pRet = p + 1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return pRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*******************************************************************
|
||
|
|
|
||
|
|
NAME: MyClosePrinter
|
||
|
|
|
||
|
|
SYNOPSIS: calls thru to the superset function
|
||
|
|
|
||
|
|
HISTORY:
|
||
|
|
CongpaY 22-Jan-1993 Created
|
||
|
|
|
||
|
|
********************************************************************/
|
||
|
|
|
||
|
|
BOOL MyClosePrinter (HANDLE hPrinter)
|
||
|
|
{
|
||
|
|
PF_ClosePrinter pfTemp;
|
||
|
|
|
||
|
|
// if function has not been used before, get its address.
|
||
|
|
if (pfClosePrinter == NULL)
|
||
|
|
{
|
||
|
|
// make sure DLL Is loaded
|
||
|
|
if (!MakeSureDllIsLoaded())
|
||
|
|
{
|
||
|
|
return(FALSE) ;
|
||
|
|
}
|
||
|
|
|
||
|
|
pfTemp = (PF_ClosePrinter)
|
||
|
|
GetProcAddress(vhWinspoolDll,
|
||
|
|
"ClosePrinter") ;
|
||
|
|
|
||
|
|
if (pfTemp == NULL)
|
||
|
|
{
|
||
|
|
return(FALSE);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
pfClosePrinter = pfTemp;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
return ((*pfClosePrinter)(hPrinter));
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************
|
||
|
|
|
||
|
|
NAME: MyEnumJobs
|
||
|
|
|
||
|
|
SYNOPSIS: calls thru to the superset function
|
||
|
|
|
||
|
|
NOTES: This is defined ANSI version. If change to UNICODE version
|
||
|
|
in the future, you should change the code to make it call
|
||
|
|
UNICODE version!!!
|
||
|
|
|
||
|
|
HISTORY:
|
||
|
|
CongpaY 22-Jan-1993 Created
|
||
|
|
|
||
|
|
********************************************************************/
|
||
|
|
|
||
|
|
BOOL MyEnumJobs (HANDLE hPrinter,
|
||
|
|
DWORD FirstJob,
|
||
|
|
DWORD NoJobs,
|
||
|
|
DWORD Level,
|
||
|
|
LPBYTE pJob,
|
||
|
|
DWORD cbBuf,
|
||
|
|
LPDWORD pcbNeeded,
|
||
|
|
LPDWORD pcReturned)
|
||
|
|
{
|
||
|
|
PF_EnumJobsA pfTemp;
|
||
|
|
|
||
|
|
// if function has not been used before, get its address.
|
||
|
|
if (pfEnumJobsA == NULL)
|
||
|
|
{
|
||
|
|
// make sure DLL Is loaded
|
||
|
|
if (!MakeSureDllIsLoaded())
|
||
|
|
{
|
||
|
|
return(FALSE) ;
|
||
|
|
}
|
||
|
|
|
||
|
|
pfTemp = (PF_EnumJobsA)
|
||
|
|
GetProcAddress(vhWinspoolDll,
|
||
|
|
"EnumJobsA") ;
|
||
|
|
|
||
|
|
if (pfTemp == NULL)
|
||
|
|
{
|
||
|
|
return(FALSE);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
pfEnumJobsA = pfTemp;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return ((*pfEnumJobsA)(hPrinter,
|
||
|
|
FirstJob,
|
||
|
|
NoJobs,
|
||
|
|
Level,
|
||
|
|
pJob,
|
||
|
|
cbBuf,
|
||
|
|
pcbNeeded,
|
||
|
|
pcReturned));
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************
|
||
|
|
|
||
|
|
NAME: MyEnumPrinters
|
||
|
|
|
||
|
|
SYNOPSIS: calls thru to the superset function
|
||
|
|
|
||
|
|
HISTORY:
|
||
|
|
CongpaY 22-Jan-1993 Created
|
||
|
|
|
||
|
|
********************************************************************/
|
||
|
|
|
||
|
|
BOOL MyEnumPrinters(DWORD Flags,
|
||
|
|
LPSTR Name,
|
||
|
|
DWORD Level,
|
||
|
|
LPBYTE pPrinterEnum,
|
||
|
|
DWORD cbBuf,
|
||
|
|
LPDWORD pcbNeeded,
|
||
|
|
LPDWORD pcReturned)
|
||
|
|
|
||
|
|
{
|
||
|
|
PF_EnumPrintersA pfTemp;
|
||
|
|
|
||
|
|
// if function has not been used before, get its address.
|
||
|
|
if (pfEnumPrintersA == NULL)
|
||
|
|
{
|
||
|
|
// make sure DLL Is loaded
|
||
|
|
if (!MakeSureDllIsLoaded())
|
||
|
|
{
|
||
|
|
return(FALSE) ;
|
||
|
|
}
|
||
|
|
|
||
|
|
pfTemp = (PF_EnumPrintersA)
|
||
|
|
GetProcAddress(vhWinspoolDll,
|
||
|
|
"EnumPrintersA") ;
|
||
|
|
|
||
|
|
if (pfTemp == NULL)
|
||
|
|
{
|
||
|
|
return(TRUE);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
pfEnumPrintersA = pfTemp;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ((*pfEnumPrintersA)(Flags,
|
||
|
|
Name,
|
||
|
|
Level,
|
||
|
|
pPrinterEnum,
|
||
|
|
cbBuf,
|
||
|
|
pcbNeeded,
|
||
|
|
pcReturned));
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************
|
||
|
|
|
||
|
|
NAME: MyGetJobA
|
||
|
|
|
||
|
|
SYNOPSIS: calls thru to the superset function
|
||
|
|
|
||
|
|
HISTORY:
|
||
|
|
CongpaY 22-Jan-1993 Created
|
||
|
|
|
||
|
|
********************************************************************/
|
||
|
|
|
||
|
|
BOOL MyGetJobA(HANDLE hPrinter,
|
||
|
|
DWORD JobId,
|
||
|
|
DWORD Level,
|
||
|
|
LPBYTE pJob,
|
||
|
|
DWORD cbBuf,
|
||
|
|
LPDWORD pcbNeeded)
|
||
|
|
{
|
||
|
|
PF_GetJobA pfTemp;
|
||
|
|
|
||
|
|
// if function has not been used before, get its address.
|
||
|
|
if (pfGetJobA == NULL)
|
||
|
|
{
|
||
|
|
// make sure DLL Is loaded
|
||
|
|
if (!MakeSureDllIsLoaded())
|
||
|
|
{
|
||
|
|
return(FALSE) ;
|
||
|
|
}
|
||
|
|
|
||
|
|
pfTemp = (PF_GetJobA)
|
||
|
|
GetProcAddress(vhWinspoolDll,
|
||
|
|
"GetJobA") ;
|
||
|
|
|
||
|
|
if (pfTemp == NULL)
|
||
|
|
{
|
||
|
|
return(FALSE);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
pfGetJobA = pfTemp;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ((*pfGetJobA)(hPrinter,
|
||
|
|
JobId,
|
||
|
|
Level,
|
||
|
|
pJob,
|
||
|
|
cbBuf,
|
||
|
|
pcbNeeded));
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************
|
||
|
|
|
||
|
|
NAME: MyGetPrinter
|
||
|
|
|
||
|
|
SYNOPSIS: calls thru to the superset function
|
||
|
|
|
||
|
|
HISTORY:
|
||
|
|
CongpaY 22-Jan-1993 Created
|
||
|
|
|
||
|
|
********************************************************************/
|
||
|
|
|
||
|
|
BOOL MyGetPrinter (HANDLE hPrinter,
|
||
|
|
DWORD Level,
|
||
|
|
LPBYTE pPrinter,
|
||
|
|
DWORD cbBuf,
|
||
|
|
LPDWORD pcbNeeded)
|
||
|
|
{
|
||
|
|
PF_GetPrinterA pfTemp;
|
||
|
|
LPSTR pszDriverName = NULL;
|
||
|
|
DWORD cbDriverName = 0;
|
||
|
|
BOOL bRet;
|
||
|
|
|
||
|
|
// if function has not been used before, get its address.
|
||
|
|
if (pfGetPrinterA == NULL)
|
||
|
|
{
|
||
|
|
// make sure DLL Is loaded
|
||
|
|
if (!MakeSureDllIsLoaded())
|
||
|
|
{
|
||
|
|
return(FALSE) ;
|
||
|
|
}
|
||
|
|
|
||
|
|
pfTemp = (PF_GetPrinterA)
|
||
|
|
GetProcAddress(vhWinspoolDll,
|
||
|
|
"GetPrinterA") ;
|
||
|
|
|
||
|
|
if (pfTemp == NULL)
|
||
|
|
{
|
||
|
|
return(FALSE);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
pfGetPrinterA = pfTemp;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Win95 driver name could be different than NT. If it is different AND
|
||
|
|
// the win95 driver with the different name is installed we want to send
|
||
|
|
// that name to Win9x client
|
||
|
|
//
|
||
|
|
if ( Level == 2 ) {
|
||
|
|
DWORD dwNeeded = 0;
|
||
|
|
|
||
|
|
// Check the size of the name and make sure that we copy the printer driver name to the
|
||
|
|
// beginning of the buffer. The previous code would let the GetPrinterDriver call determine
|
||
|
|
// where to put it which could result in the strcpy copying data from one string on top of another
|
||
|
|
// if the call used the end of the buffer like we plan on using. We address this by doing an STRNCPY to
|
||
|
|
// make sure we don't start doing an infinite copy and also make sure our buffers don't overlap with
|
||
|
|
// an assert.
|
||
|
|
bRet = MyGetPrinterDriver(hPrinter,
|
||
|
|
WIN95_ENVIRONMENT,
|
||
|
|
1,
|
||
|
|
NULL,
|
||
|
|
0,
|
||
|
|
&dwNeeded);
|
||
|
|
|
||
|
|
if( dwNeeded <= cbBuf )
|
||
|
|
{
|
||
|
|
if( MyGetPrinterDriver( hPrinter,
|
||
|
|
WIN95_ENVIRONMENT,
|
||
|
|
1,
|
||
|
|
pPrinter,
|
||
|
|
dwNeeded,
|
||
|
|
pcbNeeded ))
|
||
|
|
{
|
||
|
|
pszDriverName = ((LPDRIVER_INFO_1A)pPrinter)->pName;
|
||
|
|
cbDriverName = (strlen(pszDriverName) + 1) * sizeof(CHAR);
|
||
|
|
NetpAssert( pszDriverName + cbDriverName < pPrinter + cbBuf - cbDriverName );
|
||
|
|
strncpy((LPSTR)(pPrinter + cbBuf - cbDriverName), pszDriverName, cbDriverName);
|
||
|
|
pszDriverName = (LPSTR)(pPrinter + cbBuf - cbDriverName);
|
||
|
|
} else if (GetLastError() == ERROR_INSUFFICIENT_BUFFER )
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// DRIVER_INFO_1 has pDriverName only. So if we fail with
|
||
|
|
// insufficient buffer GetPrinter is guaranteed to fail too.
|
||
|
|
// If we use a different level that may not be TRUE
|
||
|
|
//
|
||
|
|
cbDriverName = *pcbNeeded - sizeof(DRIVER_INFO_1A);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
cbDriverName = dwNeeded - sizeof(DRIVER_INFO_1A);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if( cbBuf > cbDriverName )
|
||
|
|
{
|
||
|
|
bRet = pfGetPrinterA(hPrinter, Level, pPrinter, cbBuf-cbDriverName, pcbNeeded);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
bRet = pfGetPrinterA(hPrinter, Level, pPrinter, 0, pcbNeeded);
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( Level != 2 )
|
||
|
|
return bRet;
|
||
|
|
|
||
|
|
if ( bRet ) {
|
||
|
|
|
||
|
|
if ( pszDriverName ) {
|
||
|
|
|
||
|
|
((LPPRINTER_INFO_2A)pPrinter)->pDriverName = pszDriverName;
|
||
|
|
*pcbNeeded += cbDriverName;
|
||
|
|
}
|
||
|
|
} else if ( GetLastError() == ERROR_INSUFFICIENT_BUFFER ) {
|
||
|
|
|
||
|
|
*pcbNeeded += cbDriverName;
|
||
|
|
}
|
||
|
|
|
||
|
|
return bRet;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*******************************************************************
|
||
|
|
|
||
|
|
NAME: MyOpenPrinterA
|
||
|
|
|
||
|
|
SYNOPSIS: calls thru to the superset function
|
||
|
|
|
||
|
|
HISTORY:
|
||
|
|
CongpaY 22-Jan-1993 Created
|
||
|
|
|
||
|
|
********************************************************************/
|
||
|
|
|
||
|
|
BOOL MyOpenPrinterA(LPSTR pPrinterName,
|
||
|
|
LPHANDLE phPrinter,
|
||
|
|
LPPRINTER_DEFAULTSA pDefault)
|
||
|
|
|
||
|
|
{
|
||
|
|
PF_OpenPrinterA pfTemp;
|
||
|
|
|
||
|
|
// if function has not been used before, get its address.
|
||
|
|
if (pfOpenPrinterA == NULL)
|
||
|
|
{
|
||
|
|
// make sure DLL Is loaded
|
||
|
|
if (!MakeSureDllIsLoaded())
|
||
|
|
{
|
||
|
|
return(FALSE) ;
|
||
|
|
}
|
||
|
|
|
||
|
|
pfTemp = (PF_OpenPrinterA)
|
||
|
|
GetProcAddress(vhWinspoolDll,
|
||
|
|
"OpenPrinterA") ;
|
||
|
|
|
||
|
|
if (pfTemp == NULL)
|
||
|
|
{
|
||
|
|
return(FALSE);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
pfOpenPrinterA = pfTemp;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ((*pfOpenPrinterA)(pPrinterName,
|
||
|
|
phPrinter,
|
||
|
|
pDefault));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*******************************************************************
|
||
|
|
|
||
|
|
NAME: MyOpenPrinterW
|
||
|
|
|
||
|
|
SYNOPSIS: calls thru to the superset function
|
||
|
|
|
||
|
|
HISTORY:
|
||
|
|
CongpaY 22-Jan-1993 Created
|
||
|
|
|
||
|
|
********************************************************************/
|
||
|
|
|
||
|
|
BOOL MyOpenPrinterW (LPWSTR pPrinterName,
|
||
|
|
LPHANDLE phPrinter,
|
||
|
|
LPPRINTER_DEFAULTSW pDefault)
|
||
|
|
|
||
|
|
{
|
||
|
|
PF_OpenPrinterW pfTemp;
|
||
|
|
|
||
|
|
// if function has not been used before, get its address.
|
||
|
|
if (pfOpenPrinterW == NULL)
|
||
|
|
{
|
||
|
|
// make sure DLL Is loaded
|
||
|
|
if (!MakeSureDllIsLoaded())
|
||
|
|
{
|
||
|
|
return(FALSE) ;
|
||
|
|
}
|
||
|
|
|
||
|
|
pfTemp = (PF_OpenPrinterW)
|
||
|
|
GetProcAddress(vhWinspoolDll,
|
||
|
|
"OpenPrinterW") ;
|
||
|
|
|
||
|
|
if (pfTemp == NULL)
|
||
|
|
{
|
||
|
|
return(FALSE);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
pfOpenPrinterW = pfTemp;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ((*pfOpenPrinterW)(pPrinterName,
|
||
|
|
phPrinter,
|
||
|
|
pDefault));
|
||
|
|
}
|
||
|
|
/*******************************************************************
|
||
|
|
|
||
|
|
NAME: MySetJobA
|
||
|
|
|
||
|
|
SYNOPSIS: calls thru to the superset function
|
||
|
|
|
||
|
|
HISTORY:
|
||
|
|
CongpaY 22-Jan-1993 Created
|
||
|
|
AlbertT 24-Mar-1995 AddedLevel and pJob
|
||
|
|
|
||
|
|
********************************************************************/
|
||
|
|
|
||
|
|
BOOL MySetJobA (HANDLE hPrinter,
|
||
|
|
DWORD JobId,
|
||
|
|
DWORD Level,
|
||
|
|
LPBYTE pJob,
|
||
|
|
DWORD Command)
|
||
|
|
|
||
|
|
{
|
||
|
|
PF_SetJobA pfTemp;
|
||
|
|
|
||
|
|
// if function has not been used before, get its address.
|
||
|
|
if (pfSetJobA == NULL)
|
||
|
|
{
|
||
|
|
// make sure DLL Is loaded
|
||
|
|
if (!MakeSureDllIsLoaded())
|
||
|
|
{
|
||
|
|
return(FALSE) ;
|
||
|
|
}
|
||
|
|
|
||
|
|
pfTemp = (PF_SetJobA)
|
||
|
|
GetProcAddress(vhWinspoolDll,
|
||
|
|
"SetJobA") ;
|
||
|
|
|
||
|
|
if (pfTemp == NULL)
|
||
|
|
{
|
||
|
|
return(FALSE);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
pfSetJobA = pfTemp;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ((*pfSetJobA)(hPrinter,
|
||
|
|
JobId,
|
||
|
|
Level,
|
||
|
|
pJob,
|
||
|
|
Command));
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************
|
||
|
|
|
||
|
|
NAME: MySetPrinterW
|
||
|
|
|
||
|
|
SYNOPSIS: calls thru to the superset function
|
||
|
|
|
||
|
|
HISTORY:
|
||
|
|
AlbertT 23-Mar-1995 Created
|
||
|
|
|
||
|
|
********************************************************************/
|
||
|
|
|
||
|
|
BOOL MySetPrinterW(HANDLE hPrinter,
|
||
|
|
DWORD Level,
|
||
|
|
LPBYTE pPrinter,
|
||
|
|
DWORD Command)
|
||
|
|
|
||
|
|
{
|
||
|
|
PF_SetPrinterW pfTemp;
|
||
|
|
|
||
|
|
// if function has not been used before, get its address.
|
||
|
|
if (pfSetPrinterW == NULL)
|
||
|
|
{
|
||
|
|
// make sure DLL Is loaded
|
||
|
|
if (!MakeSureDllIsLoaded())
|
||
|
|
{
|
||
|
|
return(FALSE) ;
|
||
|
|
}
|
||
|
|
|
||
|
|
pfTemp = (PF_SetPrinterW)
|
||
|
|
GetProcAddress(vhWinspoolDll,
|
||
|
|
"SetPrinterW") ;
|
||
|
|
|
||
|
|
if (pfTemp == NULL)
|
||
|
|
{
|
||
|
|
return(FALSE);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
pfSetPrinterW = pfTemp;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ((*pfSetPrinterW)(hPrinter,
|
||
|
|
Level,
|
||
|
|
pPrinter,
|
||
|
|
Command));
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************
|
||
|
|
|
||
|
|
NAME: MyGetPrinterDriver
|
||
|
|
|
||
|
|
SYNOPSIS: calls thru to the superset function
|
||
|
|
|
||
|
|
HISTORY:
|
||
|
|
MuhuntS 06-Feb-1996 Created
|
||
|
|
|
||
|
|
********************************************************************/
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
MyGetPrinterDriver(
|
||
|
|
HANDLE hPrinter,
|
||
|
|
LPSTR pEnvironment,
|
||
|
|
DWORD Level,
|
||
|
|
LPBYTE pDriver,
|
||
|
|
DWORD cbBuf,
|
||
|
|
LPDWORD pcbNeeded
|
||
|
|
)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// if function has not been used before, get its address.
|
||
|
|
//
|
||
|
|
if ( !pfGetPrinterDriverA ) {
|
||
|
|
|
||
|
|
//
|
||
|
|
// If dll is not loaded yet load it
|
||
|
|
//
|
||
|
|
if ( !MakeSureDllIsLoaded() ) {
|
||
|
|
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
(FARPROC) pfGetPrinterDriverA = GetProcAddress(vhWinspoolDll,
|
||
|
|
"GetPrinterDriverA");
|
||
|
|
|
||
|
|
if ( !pfGetPrinterDriverA )
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return ((*pfGetPrinterDriverA)(hPrinter,
|
||
|
|
pEnvironment,
|
||
|
|
Level,
|
||
|
|
pDriver,
|
||
|
|
cbBuf,
|
||
|
|
pcbNeeded));
|
||
|
|
}
|
||
|
|
|
||
|
|
/*******************************************************************
|
||
|
|
|
||
|
|
NAME: MakeSureDllIsLoaded
|
||
|
|
|
||
|
|
SYNOPSIS: loads the WINSPOOL dll if need.
|
||
|
|
|
||
|
|
EXIT: returns TRUE if dll already loaded, or loads
|
||
|
|
successfully. Returns false otherwise. Caller
|
||
|
|
should call GetLastError() to determine error.
|
||
|
|
|
||
|
|
NOTES: it is up to the caller to call EnterLoadLibCritSect
|
||
|
|
before he calls this.
|
||
|
|
|
||
|
|
HISTORY:
|
||
|
|
chuckc 29-Jul-1992 Created
|
||
|
|
congpay 22-Jan-1993 Modified.
|
||
|
|
|
||
|
|
********************************************************************/
|
||
|
|
|
||
|
|
BOOL MakeSureDllIsLoaded(void)
|
||
|
|
{
|
||
|
|
HINSTANCE handle ;
|
||
|
|
|
||
|
|
// if already load, just return TRUE
|
||
|
|
if (vhWinspoolDll != NULL)
|
||
|
|
return TRUE ;
|
||
|
|
|
||
|
|
// load the library. if it fails, it would have done a SetLastError.
|
||
|
|
handle = LoadLibrary(WINSPOOL_DLL_NAME);
|
||
|
|
if (handle == NULL)
|
||
|
|
return FALSE ;
|
||
|
|
|
||
|
|
// we are cool.
|
||
|
|
vhWinspoolDll = handle ;
|
||
|
|
return TRUE ;
|
||
|
|
}
|
||
|
|
|