gdi32: Fix minor read buffer overrun in CombineRgn.

f3560ece · Dan Kegel · Alexandre Julliard · 56a57f0c · f3560ece
Commit f3560ece authored Nov 27, 2009 by Dan Kegel Committed by Alexandre Julliard Nov 30, 2009
Hide whitespace changes
Inline Side-by-side

Showing with 2 additions and 1 deletion

region.c dlls/gdi32/region.c +2 -1

No files found.
--- a/dlls/gdi32/region.c
+++ b/dlls/gdi32/region.c
@@ -2216,7 +2216,8 @@ static BOOL REGION_SubtractO (WINEREGION *pReg, RECT *r1, RECT *r1End,
                if (!add_rect( pReg, left, top, r1->right, bottom )) return FALSE;
 	    }
 	    r1++;
-	    left = r1->left;
+	    if (r1 != r1End)
+	        left = r1->left;
 	}
    }