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fast bugfix, NtGdiExtEscape should accpect a NULL hdc.

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svn path=/trunk/; revision=28739
This commit is contained in:
Magnus Olsen 2007-09-01 13:05:33 +00:00
parent 01758ff86f
commit 14d7a9c6ea
1 changed files with 7 additions and 1 deletions
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8
reactos/subsystems/win32/win32k/objects/print.c
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@ -156,12 +156,18 @@ NtGdiExtEscape(
INT OutSize, INT OutSize,
OPTIONAL LPSTR UnsafeOutData) OPTIONAL LPSTR UnsafeOutData)
{ {
PDC pDC = DC_LockDc(hDC); PDC pDC;
LPVOID SafeInData = NULL; LPVOID SafeInData = NULL;
LPVOID SafeOutData = NULL; LPVOID SafeOutData = NULL;
NTSTATUS Status = STATUS_SUCCESS; NTSTATUS Status = STATUS_SUCCESS;
INT Result; INT Result;
if (hDC == 0)
{
hDC = (HDC)UserGetWindowDC(NULL);
}
pDC = DC_LockDc(hDC);
if ( pDC == NULL ) if ( pDC == NULL )
{ {
SetLastWin32Error(ERROR_INVALID_HANDLE); SetLastWin32Error(ERROR_INVALID_HANDLE);