File indexing completed on 2024-04-21 14:57:50

 /*
  * Copyright (C) 2002 Apple Computer, Inc.
  * Copyright (C) 2003 Dirk Mueller (mueller@kde.org)
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  *
  * Alternatively, the contents of this file may be used under the terms
  * of either the Mozilla Public License Version 1.1, found at
  * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
  * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
  * (the "GPL"), in which case the provisions of the MPL or the GPL are
  * applicable instead of those above.  If you wish to allow use of your
  * version of this file only under the terms of one of those two
  * licenses (the MPL or the GPL) and not to allow others to use your
  * version of this file under the LGPL, indicate your decision by
  * deletingthe provisions above and replace them with the notice and
  * other provisions required by the MPL or the GPL, as the case may be.
  * If you do not delete the provisions above, a recipient may use your
  * version of this file under any of the LGPL, the MPL or the GPL.
  */
 
 #ifndef RENDERARENA_H
 #define RENDERARENA_H
 
 #define KHTML_USE_ARENA_ALLOCATOR
 
 #include "misc/arena.h"
 #include "misc/shared.h"
 
 #include <stdlib.h>
 
 namespace khtml
 {
 
 #define KHTML_MAX_RECYCLED_SIZE 400
 #define KHTML_ROUNDUP(x,y) ((((x)+((y)-1))/(y))*(y))
 
 class RenderArena: public Shared<RenderArena>
 {
 public:
     RenderArena(unsigned int arenaSize = 4096);
     ~RenderArena();
 
     // Memory management functions
     void *allocate(size_t size);
     void  free(size_t size, void *ptr);
 
 private:
     // Underlying arena pool
     ArenaPool m_pool;
 
     // The recycler array is sparse with the indices being multiples of 4,
     // i.e., 0, 4, 8, 12, 16, 20, ...
     void *m_recyclers[KHTML_MAX_RECYCLED_SIZE >> 2];
 };
 
 } // namespace
 
 #endif