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Handle failure of EngCreateClip, spotted by Amine Khaldi

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svn path=/trunk/; revision=42743
This commit is contained in:
Gregor Schneider 2009-08-16 19:56:40 +00:00
parent ea7be198c3
commit f145632ab6
1 changed files with 11 additions and 5 deletions
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16
reactos/subsystems/win32/win32k/eng/engmisc.c
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@ -103,6 +103,12 @@ IntEngEnter(PINTENG_ENTER_LEAVE EnterLeave,
ClippedDestRect.bottom = ClippedDestRect.top + psoDest->sizlBitmap.cy - SrcPoint.y; ClippedDestRect.bottom = ClippedDestRect.top + psoDest->sizlBitmap.cy - SrcPoint.y;
} }
EnterLeave->TrivialClipObj = EngCreateClip(); EnterLeave->TrivialClipObj = EngCreateClip();
if (EnterLeave->TrivialClipObj == NULL)
{
EngUnlockSurface(*ppsoOutput);
EngDeleteSurface((HSURF)EnterLeave->OutputBitmap);
return FALSE;
}
EnterLeave->TrivialClipObj->iDComplexity = DC_TRIVIAL; EnterLeave->TrivialClipObj->iDComplexity = DC_TRIVIAL;
if (ClippedDestRect.left < (*ppsoOutput)->sizlBitmap.cx && if (ClippedDestRect.left < (*ppsoOutput)->sizlBitmap.cx &&
0 <= ClippedDestRect.right && 0 <= ClippedDestRect.right &&
@ -115,11 +121,11 @@ IntEngEnter(PINTENG_ENTER_LEAVE EnterLeave,
EnterLeave->TrivialClipObj, NULL, EnterLeave->TrivialClipObj, NULL,
&ClippedDestRect, &SrcPoint)) &ClippedDestRect, &SrcPoint))
{ {
EngDeleteClip(EnterLeave->TrivialClipObj); EngDeleteClip(EnterLeave->TrivialClipObj);
EngFreeMem((*ppsoOutput)->pvBits); EngFreeMem((*ppsoOutput)->pvBits);
EngUnlockSurface(*ppsoOutput); EngUnlockSurface(*ppsoOutput);
EngDeleteSurface((HSURF)EnterLeave->OutputBitmap); EngDeleteSurface((HSURF)EnterLeave->OutputBitmap);
return FALSE; return FALSE;
} }
EnterLeave->DestRect.left = DestRect->left; EnterLeave->DestRect.left = DestRect->left;
EnterLeave->DestRect.top = DestRect->top; EnterLeave->DestRect.top = DestRect->top;