heap.h

/* 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 3 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, see <http://www.gnu.org/licenses/>.
 *
 */
 
#ifndef MADS_CORE_HEAP_H
#define MADS_CORE_HEAP_H
 
#include "mads/core/general.h"
 
namespace MADS {
 
struct Heap {
    byte module;        /* Identifier for heap module   */
    byte destruct;      /* Flag if can be destroyed     */
    char *base;         /* Base memory pointer for heap */
    char *marker;       /* Pointer to free area         */
    long base_size;     /* Original size of the heap    */
    long size;          /* Free space remaining         */
};
 
extern int heap_create(Heap *heap, int module_id, long heap_size, const char *heap_name);
extern void heap_destroy(Heap *heap);
extern void heap_declare(Heap *heap, int module_id, char *buffer, long heap_size);
 
extern void *heap_get(Heap *heap, long size);
 
} // namespace MADS
 
#endif