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Check hDC handle is valid before accessing its data

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svn path=/trunk/; revision=5953
This commit is contained in:
Gé van Geldorp
2003-08-31 13:24:38 +00:00
parent 7c9e70178a
commit 13dddecf2d
1 changed files with 3 additions and 2 deletions
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reactos/subsys/win32k/objects/text.c
+3 -2
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@@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: text.c,v 1.49 2003/08/29 21:53:50 rcampbell Exp $ */
/* $Id: text.c,v 1.50 2003/08/31 13:24:38 gvg Exp $ */
#undef WIN32_LEAN_AND_MEAN
@@ -1034,7 +1034,7 @@ NtGdiTextOut(HDC hDC,
// Fixme: Call EngTextOut, which does the real work (calling DrvTextOut where appropriate)
DC *dc = DC_LockDc(hDC);
SURFOBJ *SurfObj = (SURFOBJ*)AccessUserObject((ULONG) dc->Surface);
SURFOBJ *SurfObj;
int error, glyph_index, n, i;
FT_Face face;
FT_GlyphSlot glyph;
@@ -1058,6 +1058,7 @@ NtGdiTextOut(HDC hDC,
if( !dc )
return FALSE;
SurfObj = (SURFOBJ*)AccessUserObject((ULONG) dc->Surface);
XStart += dc->w.DCOrgX;
YStart += dc->w.DCOrgY;