Update harfbuzz-ng to 0.9.24

third_party/harfbuzz-ng/src/hb-open-type-private.hh

 /*
  * Copyright © 2007,2008,2009,2010  Red Hat, Inc.
  * 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
@@ skipping 624 matching lines @@
 {
   inline bool is_null (void) const { return 0 == *this; }
   public:
   DEFINE_SIZE_STATIC (4);
 };
 
 
 /* CheckSum */
 struct CheckSum : ULONG
 {
-  static uint32_t CalcTableChecksum (ULONG *Table, uint32_t Length)
+  /* This is reference implementation from the spec. */
+  static inline uint32_t CalcTableChecksum (const ULONG *Table, uint32_t Length)
   {
     uint32_t Sum = 0L;
-    ULONG *EndPtr = Table+((Length+3) & ~3) / ULONG::static_size;
+    const ULONG *EndPtr = Table+((Length+3) & ~3) / ULONG::static_size;
 
     while (Table < EndPtr)
       Sum += *Table++;
     return Sum;
   }
+
+  /* Note: data should be 4byte aligned and have 4byte padding at the end. */
+  inline void set_for_data (const void *data, unsigned int length)
+  { set (CalcTableChecksum ((const ULONG *) data, length)); }
+
   public:
   DEFINE_SIZE_STATIC (4);
 };
 
 
 /*
  * Version Numbers
  */
 
 struct FixedVersion
@@ skipping 302 matching lines @@
     }
     return -1;
   }
 };
 
 
 } /* namespace OT */
 
 
 #endif /* HB_OPEN_TYPE_PRIVATE_HH */