add error checking

reactos/subsys/win32k/objects

diff -u -r1.119 -r1.120
--- text.c	18 Dec 2004 11:05:03 -0000	1.119
+++ text.c	18 Dec 2004 17:50:22 -0000	1.120
@@ -22,7 +22,7 @@

  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */

-/* $Id: text.c,v 1.119 2004/12/18 11:05:03 hbirr Exp $ */

+/* $Id: text.c,v 1.120 2004/12/18 17:50:22 royce Exp $ */

 #include <w32k.h>
 
 #include <ft2build.h>

@@ -1830,7 +1830,22 @@

        */
 
       HSourceGlyph = EngCreateBitmap(bitSize, pitch, (glyph->bitmap.pixel_mode == ft_pixel_mode_grays) ? BMF_8BPP : BMF_1BPP, BMF_TOPDOWN, glyph->bitmap.buffer);

+      if ( !HSourceGlyph )
+      {
+        EngDeleteXlate(XlateObj);
+        EngDeleteXlate(XlateObj2);
+        DPRINT1("WARNING: EngLockSurface() failed!\n");
+        goto fail;
+      }

       SourceGlyphSurf = EngLockSurface((HSURF)HSourceGlyph);

+      if ( !SourceGlyphSurf )
+      {
+        EngDeleteSurface((HSURF)HSourceGlyph);
+        EngDeleteXlate(XlateObj);
+        EngDeleteXlate(XlateObj2);
+        DPRINT1("WARNING: EngLockSurface() failed!\n");
+        goto fail;
+      }

     
       /*
        * Use the font data as a mask to paint onto the DCs surface using a