kc3-lang/harfbuzz/src/hb-blob-private.hh

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• Hash : eba1c16a
  Author :
  Date : 2018-05-08T02:47:42
  

  Always lock blob in sanitize. Remove blob->lock_as() in favor of blob->lock()
  

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• src/hb-blob-private.hh

• /*
   * Copyright © 2009  Red Hat, Inc.
   * Copyright © 2018  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.
   *
   * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
   * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
   * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
   * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
   * DAMAGE.
   *
   * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
   * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
   * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
   * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
   *
   * Red Hat Author(s): Behdad Esfahbod
   * Google Author(s): Behdad Esfahbod
   */
  
  #ifndef HB_BLOB_PRIVATE_HH
  #define HB_BLOB_PRIVATE_HH
  
  #include "hb-private.hh"
  
  #include "hb-object-private.hh"
  
  
  /*
   * hb_blob_t
   */
  
  struct hb_blob_t
  {
    inline void fini_shallow (void)
    {
      destroy_user_data ();
    }
  
    inline void destroy_user_data (void)
    {
      if (destroy)
      {
        destroy (user_data);
        user_data = nullptr;
        destroy = nullptr;
      }
    }
  
    HB_INTERNAL bool try_make_writable (void);
    HB_INTERNAL bool try_make_writable_inplace (void);
    HB_INTERNAL bool try_make_writable_inplace_unix (void);
  
    inline void lock (void)
    {
      hb_blob_make_immutable (this);
    }
  
    template <typename Type>
    inline const Type* as (void) const
    {
      return unlikely (!data) ? &Null(Type) : reinterpret_cast<const Type *> (data);
    }
  
    public:
    hb_object_header_t header;
    ASSERT_POD ();
  
    bool immutable;
  
    const char *data;
    unsigned int length;
    hb_memory_mode_t mode;
  
    void *user_data;
    hb_destroy_func_t destroy;
  };
  
  
  #endif /* HB_BLOB_PRIVATE_HH */
  

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