harfbuzz-ng roll

third_party/harfbuzz-ng/src/hb-cache-private.hh

 /*
  * Copyright © 2012  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 31 matching lines @@
   {
     memset (values, 255, sizeof (values));
   }
 
   inline bool get (unsigned int key, unsigned int *value)
   {
     unsigned int k = key & ((1<<cache_bits)-1);
     unsigned int v = values[k];
     if ((v >> value_bits) != (key >> cache_bits))
       return false;
+    *value = v & ((1<<value_bits)-1);
+    return true;
   }
 
   inline bool set (unsigned int key, unsigned int value)
   {
     if (unlikely ((key >> key_bits) || (value >> value_bits)))
       return false; /* Overflows */
     unsigned int k = key & ((1<<cache_bits)-1);
     unsigned int v = ((key>>cache_bits)<<value_bits) | value;
     values[k] = v;
     return true;
   }
 
   private:
   unsigned int values[1<<cache_bits];
 };
 
 typedef hb_cache_t<21, 16, 8> hb_cmap_cache_t;
 typedef hb_cache_t<16, 24, 8> hb_advance_cache_t;
 
 
 #endif /* HB_CACHE_PRIVATE_HH */