[tfaber] 74372: [GDI32] - Use the number of WCHARs, not the number of ANSI chars in GetCharABCWidthsA. Fixes stack corruption when running gdi32_winetest:font CORE-11474

Author: tfaber
Date: Wed Apr 19 10:33:58 2017
New Revision: 74372

URL: http://svn.reactos.org/svn/reactos?rev=74372&view=rev
Log:
[GDI32]
- Use the number of WCHARs, not the number of ANSI chars in GetCharABCWidthsA. Fixes stack corruption when running gdi32_winetest:font
CORE-11474

Modified:
    trunk/reactos/win32ss/gdi/gdi32/objects/font.c

Modified: trunk/reactos/win32ss/gdi/gdi32/objects/font.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/win32ss/gdi/gdi32/objects/f...
==============================================================================
--- trunk/reactos/win32ss/gdi/gdi32/objects/font.c	[iso-8859-1] (original)
+++ trunk/reactos/win32ss/gdi/gdi32/objects/font.c	[iso-8859-1] Wed Apr 19 10:33:58 2017
@@ -830,7 +830,7 @@

ret = NtGdiGetCharABCWidthsW( hdc,
                                   wstr[0],
-                                  (ULONG)count,
+                                  wlen - 1,
                                   (PWCHAR)wstr,
                                   GCABCW_NOFLOAT,
                                   (PVOID)lpabc);