Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-07-04 03:34:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

Handle failure of EngCreateClip, spotted by Amine Khaldi

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

16
reactos/subsystems/win32/win32k/eng/engmisc.c
View file

@ -103,6 +103,12 @@ IntEngEnter(PINTENG_ENTER_LEAVE EnterLeave,
ClippedDestRect.bottom = ClippedDestRect.top + psoDest->sizlBitmap.cy - SrcPoint.y;
}
EnterLeave->TrivialClipObj = EngCreateClip();
if (EnterLeave->TrivialClipObj == NULL)
{
EngUnlockSurface(*ppsoOutput);
EngDeleteSurface((HSURF)EnterLeave->OutputBitmap);
return FALSE;
}
EnterLeave->TrivialClipObj->iDComplexity = DC_TRIVIAL;
if (ClippedDestRect.left < (*ppsoOutput)->sizlBitmap.cx &&
0 <= ClippedDestRect.right &&
@ -115,11 +121,11 @@ IntEngEnter(PINTENG_ENTER_LEAVE EnterLeave,
EnterLeave->TrivialClipObj, NULL,
&ClippedDestRect, &SrcPoint))
{
EngDeleteClip(EnterLeave->TrivialClipObj);
EngFreeMem((*ppsoOutput)->pvBits);
EngUnlockSurface(*ppsoOutput);
EngDeleteSurface((HSURF)EnterLeave->OutputBitmap);
return FALSE;
EngDeleteClip(EnterLeave->TrivialClipObj);
EngFreeMem((*ppsoOutput)->pvBits);
EngUnlockSurface(*ppsoOutput);
EngDeleteSurface((HSURF)EnterLeave->OutputBitmap);
return FALSE;
}
EnterLeave->DestRect.left = DestRect->left;
EnterLeave->DestRect.top = DestRect->top;