Roll HarfBuzz to 1.4.6

third_party/harfbuzz-ng/src/hb-fallback-shape.cc

 /*
  * Copyright © 2011  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
  * Permission is hereby granted, without written agreement and without
  * license or royalty fees, to use, copy, modify, and distribute this
  * software and its documentation for any purpose, provided that the
  * above copyright notice and the following two paragraphs appear in
  * all copies of this software.
@@ skipping 10 matching lines @@
  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  *
  * Google Author(s): Behdad Esfahbod
  */
 
 #define HB_SHAPER fallback
 #include "hb-shaper-impl-private.hh"
 
 
+//HB_SHAPER_DATA_ENSURE_DEFINE(fallback, face)
+//HB_SHAPER_DATA_ENSURE_DEFINE(fallback, font)
+
+
 /*
  * shaper face data
  */
 
 struct hb_fallback_shaper_face_data_t {};
 
 hb_fallback_shaper_face_data_t *
 _hb_fallback_shaper_face_data_create (hb_face_t *face HB_UNUSED)
 {
   return (hb_fallback_shaper_face_data_t *) HB_SHAPER_DATA_SUCCEEDED;
@@ skipping 77 matching lines @@
   hb_glyph_info_t *info = buffer->info;
   hb_glyph_position_t *pos = buffer->pos;
   for (unsigned int i = 0; i < count; i++)
   {
     if (has_space && unicode->is_default_ignorable (info[i].codepoint)) {
       info[i].codepoint = space;
       pos[i].x_advance = 0;
       pos[i].y_advance = 0;
       continue;
     }
-    font->get_nominal_glyph (info[i].codepoint, &info[i].codepoint);
+    (void) font->get_nominal_glyph (info[i].codepoint, &info[i].codepoint);
     font->get_glyph_advance_for_direction (info[i].codepoint,
                                            direction,
                                            &pos[i].x_advance,
                                            &pos[i].y_advance);
     font->subtract_glyph_origin_for_direction (info[i].codepoint,
                                                direction,
                                                &pos[i].x_offset,
                                                &pos[i].y_offset);
   }
 
   if (HB_DIRECTION_IS_BACKWARD (direction))
     hb_buffer_reverse (buffer);
 
   return true;
 }