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ASSERT parameter assumptions in IntEngLineTo()

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svn path=/trunk/; revision=12111
This commit is contained in:
Royce Mitchell III 2004-12-14 04:30:58 +00:00
parent 6d6cf25eee
commit 3bbc2dd8e3
1 changed files with 8 additions and 2 deletions
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10
reactos/subsys/win32k/eng/lineto.c
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@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* *
* $Id: lineto.c,v 1.35 2004/07/14 20:48:57 navaraf Exp $ * $Id: lineto.c,v 1.36 2004/12/14 04:30:58 royce Exp $
*/ */
#include <w32k.h> #include <w32k.h>
@ -491,14 +491,20 @@ IntEngLineTo(BITMAPOBJ *DestObj,
MIX mix) MIX mix)
{ {
BOOLEAN ret; BOOLEAN ret;
SURFOBJ *DestSurf = &DestObj->SurfObj; SURFOBJ *DestSurf;
PGDIBRUSHINST GdiBrush; PGDIBRUSHINST GdiBrush;
RECTL b; RECTL b;
ASSERT(DestObj);
DestSurf = &DestObj->SurfObj;
ASSERT(DestSurf);
GdiBrush = CONTAINING_RECORD( GdiBrush = CONTAINING_RECORD(
Brush, Brush,
GDIBRUSHINST, GDIBRUSHINST,
BrushObject); BrushObject);
ASSERT(GdiBrush);
ASSERT(GdiBrush->GdiBrushObject);
if (GdiBrush->GdiBrushObject->flAttrs & GDIBRUSH_IS_NULL) if (GdiBrush->GdiBrushObject->flAttrs & GDIBRUSH_IS_NULL)
return TRUE; return TRUE;