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-/* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
-
- * This program 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 General Public License for more details.
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * $URL$
- * $Id$
- *
- */
-
-#ifndef SCI_ENGINE_HEAP_H
-#define SCI_ENGINE_HEAP_H
-
-#include "sci/tools.h"
-
-namespace Sci {
-
-#define SCI_HEAP_SIZE 0x10000
-
-typedef uint16 heap_ptr;
-
-struct heap_t {
- byte *start;
- byte *base;
- unsigned int first_free;
- int old_ff;
-};
-
-heap_t *heap_new();
-/* Allocates a new heap.
-** Parameters: (void)
-** Returns : (heap_t *) A new 0xffff-sized heap
-*/
-
-void heap_del(heap_t *h);
-/* Frees an allocated heap
-** Parameters: (heap_t *) h: The heap to unallocate
-** Returns : (void)
-*/
-
-int heap_meminfo(heap_t *h);
-/* Returns the total number of free bytes on the heap
-** Parameters: (heap_t *) h: The heap to check
-** Returns : (int) The total free space in bytes
-*/
-
-int heap_largest(heap_t *h);
-/* Returns the block size of the largest free block on the heap
-** Parameters: (heap_t *) h: The heap to check
-** Returns : (int) The size of the largest free block
-*/
-
-heap_ptr heap_allocate(heap_t *h, int size);
-/* Allocates memory on a heap.
-** Parameters: (heap_t *) h: The heap to work with
-** (int) size: The block size to allocate
-** Returns : (heap_ptr): The heap pointer to the new block, or 0 on failure
-*/
-
-void heap_free(heap_t *h, unsigned int m);
-/* Frees allocated heap memory.
-** Parameters: (heap_t *) h: The heap to work with
-** (int) m: The handle at which memory is to be unallocated
-** Returns : (void)
-** This function automatically prevents fragmentation from happening.
-*/
-
-void save_ff(heap_t *h);
-/* Stores the current first free position
-** Parameters: (heap_t *) h: The heap which is to be manipulated
-** Returns : (void)
-** This function can be used to save the heap state for later restoration (see
-** the next function)
-*/
-
-void restore_ff(heap_t *h);
-/* Restores the first free heap state
-** Parameters: (heap_t *) h: The heap to restore
-** Returns : (void)
-** Restoring the first free state will reset the heap to the position stored
-** when save_ff() was called, if and only if none of the blocks allocated before
-** save_ff() was called was ever freed ("ever" includes "before save_ff() was
-** called").
-*/
-
-void heap_dump_free(heap_t *h);
-/* Dumps debugging information about the stack
-** Parameters: (heap_t *) h: The heap to check
-** Returns : (void)
-*/
-
-void heap_dump_all(heap_t *h);
-/* Dumps all allocated/unallocated zones on the heap
-** Parameters: (heap_t *) h: The heap to check
-** Returns : (void)
-*/
-
-} // End of namespace Sci
-
-#endif // SCI_ENGINE_HEAP_H