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![Amine Khaldi](/assets/img/avatar_default.png)
* Create a branch for some evul shell experiments. svn path=/branches/shell-experiments/; revision=61927
280 lines
4.9 KiB
C
280 lines
4.9 KiB
C
/*
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* PROJECT: ReactOS win32 kernel mode subsystem
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: subsystems/win32/win32k/objects/print.c
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* PURPOSE: Print functions
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* PROGRAMMER:
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*/
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#include <win32k.h>
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#define NDEBUG
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#include <debug.h>
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INT
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APIENTRY
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NtGdiAbortDoc(HDC hDC)
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{
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UNIMPLEMENTED;
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return 0;
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}
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INT
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APIENTRY
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NtGdiEndDoc(HDC hDC)
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{
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UNIMPLEMENTED;
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return 0;
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}
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INT
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APIENTRY
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NtGdiEndPage(HDC hDC)
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{
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UNIMPLEMENTED;
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return 0;
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}
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INT
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FASTCALL
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IntGdiEscape(PDC dc,
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INT Escape,
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INT InSize,
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LPCSTR InData,
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LPVOID OutData)
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{
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if (Escape == QUERYESCSUPPORT)
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return FALSE;
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UNIMPLEMENTED;
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return SP_ERROR;
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}
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INT
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APIENTRY
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NtGdiEscape(HDC hDC,
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INT Escape,
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INT InSize,
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LPCSTR InData,
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LPVOID OutData)
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{
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PDC dc;
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INT ret;
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dc = DC_LockDc(hDC);
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if (dc == NULL)
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{
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EngSetLastError(ERROR_INVALID_HANDLE);
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return SP_ERROR;
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}
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/* TODO: FIXME: Don't pass umode buffer to an Int function */
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ret = IntGdiEscape(dc, Escape, InSize, InData, OutData);
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DC_UnlockDc( dc );
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return ret;
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}
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INT
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APIENTRY
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IntGdiExtEscape(
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PDC dc,
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INT Escape,
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INT InSize,
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LPCSTR InData,
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INT OutSize,
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LPSTR OutData)
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{
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SURFACE *psurf = dc->dclevel.pSurface;
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INT Result;
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if (!dc->ppdev->DriverFunctions.Escape || !psurf)
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{
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Result = 0;
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}
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else
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{
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Result = dc->ppdev->DriverFunctions.Escape(
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&psurf->SurfObj,
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Escape,
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InSize,
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(PVOID)InData,
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OutSize,
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(PVOID)OutData );
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}
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return Result;
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}
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INT
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APIENTRY
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NtGdiExtEscape(
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HDC hDC,
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IN OPTIONAL PWCHAR pDriver,
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IN INT nDriver,
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INT Escape,
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INT InSize,
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OPTIONAL LPSTR UnsafeInData,
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INT OutSize,
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OPTIONAL LPSTR UnsafeOutData)
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{
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PDC pDC;
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LPVOID SafeInData = NULL;
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LPVOID SafeOutData = NULL;
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NTSTATUS Status = STATUS_SUCCESS;
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INT Result;
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if (hDC == 0)
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{
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hDC = UserGetWindowDC(NULL);
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}
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pDC = DC_LockDc(hDC);
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if ( pDC == NULL )
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{
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EngSetLastError(ERROR_INVALID_HANDLE);
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return -1;
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}
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if ( pDC->dctype == DC_TYPE_INFO)
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{
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DC_UnlockDc(pDC);
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return 0;
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}
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if ( InSize && UnsafeInData )
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{
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_SEH2_TRY
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{
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ProbeForRead(UnsafeInData,
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InSize,
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1);
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}
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_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
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{
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Status = _SEH2_GetExceptionCode();
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}
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_SEH2_END;
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if (!NT_SUCCESS(Status))
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{
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DC_UnlockDc(pDC);
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SetLastNtError(Status);
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return -1;
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}
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SafeInData = ExAllocatePoolWithTag ( PagedPool, InSize, GDITAG_TEMP );
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if ( !SafeInData )
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{
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DC_UnlockDc(pDC);
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EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
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return -1;
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}
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_SEH2_TRY
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{
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/* Pointers were already probed! */
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RtlCopyMemory(SafeInData,
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UnsafeInData,
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InSize);
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}
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_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
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{
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Status = _SEH2_GetExceptionCode();
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}
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_SEH2_END;
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if ( !NT_SUCCESS(Status) )
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{
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ExFreePoolWithTag ( SafeInData, GDITAG_TEMP );
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DC_UnlockDc(pDC);
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SetLastNtError(Status);
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return -1;
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}
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}
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if ( OutSize && UnsafeOutData )
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{
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_SEH2_TRY
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{
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ProbeForWrite(UnsafeOutData,
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OutSize,
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1);
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}
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_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
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{
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Status = _SEH2_GetExceptionCode();
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}
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_SEH2_END;
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if (!NT_SUCCESS(Status))
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{
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SetLastNtError(Status);
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goto freeout;
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}
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SafeOutData = ExAllocatePoolWithTag ( PagedPool, OutSize, GDITAG_TEMP );
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if ( !SafeOutData )
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{
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EngSetLastError(ERROR_NOT_ENOUGH_MEMORY);
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freeout:
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if ( SafeInData )
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ExFreePoolWithTag ( SafeInData, GDITAG_TEMP );
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DC_UnlockDc(pDC);
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return -1;
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}
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}
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Result = IntGdiExtEscape ( pDC, Escape, InSize, SafeInData, OutSize, SafeOutData );
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DC_UnlockDc(pDC);
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if ( SafeInData )
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ExFreePoolWithTag ( SafeInData ,GDITAG_TEMP );
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if ( SafeOutData )
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{
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_SEH2_TRY
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{
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/* Pointers were already probed! */
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RtlCopyMemory(UnsafeOutData,
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SafeOutData,
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OutSize);
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}
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_SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
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{
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Status = _SEH2_GetExceptionCode();
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}
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_SEH2_END;
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ExFreePoolWithTag ( SafeOutData, GDITAG_TEMP );
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if ( !NT_SUCCESS(Status) )
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{
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SetLastNtError(Status);
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return -1;
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}
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}
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return Result;
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}
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INT
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APIENTRY
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NtGdiStartDoc(
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IN HDC hdc,
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IN DOCINFOW *pdi,
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OUT BOOL *pbBanding,
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IN INT iJob)
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{
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UNIMPLEMENTED;
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return 0;
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}
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INT
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APIENTRY
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NtGdiStartPage(HDC hDC)
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{
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UNIMPLEMENTED;
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return 0;
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}
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/* EOF */
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