Update harfbuzz-ng to 1a5a91dc0d8bf4b72a2f22dc6300b06ad7000b79.

third_party/harfbuzz-ng/src/hb-blob.h

 /*
- * Copyright (C) 2009  Red Hat, Inc.
+ * Copyright © 2009  Red Hat, 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.
  *
  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
@@ skipping 25 matching lines @@
   HB_MEMORY_MODE_WRITABLE,
   HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE
 } hb_memory_mode_t;
 
 typedef struct _hb_blob_t hb_blob_t;
 
 hb_blob_t *
 hb_blob_create (const char        *data,
                 unsigned int       length,
                 hb_memory_mode_t   mode,
-                hb_destroy_func_t  destroy,
-                void              *user_data);
+                void              *user_data,
+                hb_destroy_func_t  destroy);
 
 hb_blob_t *
 hb_blob_create_sub_blob (hb_blob_t    *parent,
                          unsigned int  offset,
                          unsigned int  length);
 
 hb_blob_t *
-hb_blob_create_empty (void);
+hb_blob_get_empty (void);
 
 hb_blob_t *
 hb_blob_reference (hb_blob_t *blob);
 
-unsigned int
-hb_blob_get_reference_count (hb_blob_t *blob);
+void
+hb_blob_destroy (hb_blob_t *blob);
+
+hb_bool_t
+hb_blob_set_user_data (hb_blob_t          *blob,
+                       hb_user_data_key_t *key,
+                       void *              data,
+                       hb_destroy_func_t   destroy,
+                       hb_bool_t           replace);
+
+
+void *
+hb_blob_get_user_data (hb_blob_t          *blob,
+                       hb_user_data_key_t *key);
+
 
 void
-hb_blob_destroy (hb_blob_t *blob);
+hb_blob_make_immutable (hb_blob_t *blob);
+
+hb_bool_t
+hb_blob_is_immutable (hb_blob_t *blob);
+
 
 unsigned int
 hb_blob_get_length (hb_blob_t *blob);
 
 const char *
-hb_blob_lock (hb_blob_t *blob);
+hb_blob_get_data (hb_blob_t *blob, unsigned int *length);
 
-void
-hb_blob_unlock (hb_blob_t *blob);
-
-hb_bool_t
-hb_blob_is_writable (hb_blob_t *blob);
-
-hb_bool_t
-hb_blob_try_writable_inplace (hb_blob_t *blob);
-
-hb_bool_t
-hb_blob_try_writable (hb_blob_t *blob);
+char *
+hb_blob_get_data_writable (hb_blob_t *blob, unsigned int *length);
 
 
 HB_END_DECLS
 
 #endif /* HB_BLOB_H */