[tkreuzer] 57329: [WIN32K] make sure at least one rect is allocated in REGION_PtsToRegion. Fixes failed assertion when starting pacman4000 (the game itself doesn't work though) CORE-5431 #resolve

Author: tkreuzer
Date: Tue Sep 18 22:01:38 2012
New Revision: 57329

URL: http://svn.reactos.org/svn/reactos?rev=57329&view=rev
Log:
[WIN32K]
make sure at least one rect is allocated in REGION_PtsToRegion. Fixes failed assertion
when starting pacman4000 (the game itself doesn't work though)
CORE-5431 #resolve

Modified:
    trunk/reactos/win32ss/gdi/ntgdi/region.c

Modified: trunk/reactos/win32ss/gdi/ntgdi/region.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/ntgdi/region.c…
==============================================================================
--- trunk/reactos/win32ss/gdi/ntgdi/region.c [iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/ntgdi/region.c [iso-8859-1] Tue Sep 18 22:01:38 2012
@@ -2911,6 +2911,12 @@
 
     numRects = ((numFullPtBlocks * NUMPTSTOBUFFER) + iCurPtBlock) >> 1;
 
+    /* Make sure, we have at least one rect */
+    if (numRects == 0)
+    {
+        numRects = 1;
+    }
+
     if (!(temp = ExAllocatePoolWithTag(PagedPool, numRects * sizeof(RECT), TAG_REGION)))
     {
         return 0;