Allowing post area names to be >32767.

src/post.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "post.h"
 
 #include "maxp.h"
 
 // post - PostScript
 // http://www.microsoft.com/opentype/otspec/post.htm
@@ skipping 58 matching lines @@
   if (num_glyphs != file->maxp->num_glyphs) {
     // Note: Fixedsys500c.ttf seems to have inconsistent num_glyphs values.
     return OTS_FAILURE();
   }
 
   post->glyph_name_index.resize(num_glyphs);
   for (unsigned i = 0; i < num_glyphs; ++i) {
     if (!table.ReadU16(&post->glyph_name_index[i])) {
       return OTS_FAILURE();
     }
-    if (post->glyph_name_index[i] >= 32768) {
-      // Note: droid_arialuni.ttf fails this test.
-      return OTS_FAILURE();  // reserved area.
-    }
+    // Note: A strict interpretation of the specification requires name indexes
+    // are less than 32768. This, however, excludes fonts like unifont.ttf
+    // which cover all of unicode.
   }
 
   // Now we have an array of Pascal strings. We have to check that they are all
   // valid and read them in.
   const size_t strings_offset = table.offset();
   const uint8_t *strings = data + strings_offset;
   const uint8_t *strings_end = data + length;
 
   for (;;) {
     if (strings == strings_end) break;
@@ skipping 79 matching lines @@
   }
 
   return true;
 }
 
 void ots_post_free(OpenTypeFile *file) {
   delete file->post;
 }
 
 }  // namespace ots