[ros-diffs] [fireball] 38359: - Don't try to set remaining bits if there are none. Fixes memory corruption. Patch sent to Wine: http://www.winehq.org/pipermail/wine-patches/2008-December/066716.html

[fireball at svn.reactos.org]

Author: fireball
Date: Fri Dec 26 14:21:52 2008
New Revision: 38359

URL: http://svn.reactos.org/svn/reactos?rev=38359&view=rev
Log:
- Don't try to set remaining bits if there are none. Fixes memory  
corruption.

Patch sent to Wine: http://www.winehq.org/pipermail/wine-patches/2008-December/066716.html

Modified:
    trunk/reactos/lib/rtl/bitmap.c

Modified: trunk/reactos/lib/rtl/bitmap.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/lib/rtl/bitmap.c?rev=38359&r1=38358&r2=38359&view=diff
==============================================================================
--- trunk/reactos/lib/rtl/bitmap.c [iso-8859-1] (original)
+++ trunk/reactos/lib/rtl/bitmap.c [iso-8859-1] Fri Dec 26 14:21:52 2008
@@ -851,7 +851,8 @@
   }
 
   /* Set remaining bits, if any */
-  *lpOut |= NTDLL_maskBits[NumberToSet & 0x7];
+  if (NumberToSet & 0x7)
+    *lpOut |= NTDLL_maskBits[NumberToSet & 0x7];
 }