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diff --git a/khtml/misc/arena.h b/khtml/misc/arena.h
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-/*
- * Copyright (C) 1998-2000 Netscape Communications Corporation.
- *
- * Other contributors:
- * Nick Blievers <nickb@adacel.com.au>
- * Jeff Hostetler <jeff@nerdone.com>
- * Tom Rini <trini@kernel.crashing.org>
- * Raffaele Sena <raff@netwinder.org>
- *
- * 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 ARENA_H
-#define ARENA_H
-
-
-#if defined(HAVE_VALGRIND_MEMCHECK_H) && !defined(NDEBUG)
-
-#include <valgrind/memcheck.h>
-#define VALGRIND_SUPPORT
-
-#else
-
-#define VALGRIND_CREATE_MEMPOOL(base, redZone, zeroed)
-#define VALGRIND_DESTROY_MEMPOOL(base)
-#define VALGRIND_MEMPOOL_ALLOC(base, addr, size)
-#define VALGRIND_MEMPOOL_FREE(base, addr)
-
-#endif
-
-
-#define ARENA_ALIGN_MASK 3
-
-typedef unsigned long uword;
-
-namespace khtml {
-
-struct Arena {
- Arena* next; // next arena
- uword base; // aligned base address
- uword limit; // end of arena (1+last byte)
- uword avail; // points to next available byte in arena
-};
-
-struct ArenaPool {
- Arena first; // first arena in pool list.
- Arena* current; // current arena.
- unsigned int arenasize;
- unsigned int largealloc; // threshold for fractional allocation strategy
- unsigned int cumul; // total bytes in pool.
- uword mask; // Mask (power-of-2 - 1)
-};
-
-void InitArenaPool(ArenaPool *pool, const char *name,
- unsigned int size, unsigned int align);
-void FinishArenaPool(ArenaPool *pool);
-void FreeArenaPool(ArenaPool *pool);
-void* ArenaAllocate(ArenaPool *pool, unsigned int nb);
-void ArenaFinish(void);
-
-#define ARENA_ALIGN(pool, n) (((uword)(n) + ARENA_ALIGN_MASK) & ~ARENA_ALIGN_MASK)
-#define INIT_ARENA_POOL(pool, name, size) \
- InitArenaPool(pool, name, size, ARENA_ALIGN_MASK + 1)
-
-#define ARENA_ALLOCATE(p, pool, nb) \
- Arena *_a = (pool)->current; \
- unsigned int _nb = ARENA_ALIGN(pool, nb); \
- uword _p = _a->avail; \
- uword _q = _p + _nb; \
- if (_q > _a->limit) \
- _p = (uword)ArenaAllocate(pool, _nb); \
- else { \
- VALGRIND_MEMPOOL_ALLOC(_a->base, p, nb); \
- _a->avail = _q; \
- } \
- p = (void *)_p;
-
-
-#define ARENA_MARK(pool) ((void *) (pool)->current->avail)
-#define UPTRDIFF(p,q) ((uword)(p) - (uword)(q))
-
-#ifdef DEBUG
-#define FREE_PATTERN 0xDA
-#define CLEAR_UNUSED(a) (assert((a)->avail <= (a)->limit), \
- memset((void*)(a)->avail, FREE_PATTERN, \
- (a)->limit - (a)->avail))
-#define CLEAR_ARENA(a) memset((void*)(a), FREE_PATTERN, \
- (a)->limit - (uword)(a))
-#else
-#define CLEAR_UNUSED(a)
-#define CLEAR_ARENA(a)
-#endif
-
-
-} // namespace
-
-#endif