pool.h

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/***************************************************************************
    begin........: June 2012
    copyright....: Sebastian Fedrau
    email........: sebastian.fedrau@gmail.com
 ***************************************************************************/
 
/***************************************************************************
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License v3 as published by
    the Free Software Foundation.
 
    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 v3 for more details.
 ***************************************************************************/
#ifndef POOL_H
#define POOL_H
 
#include <stdint.h>
#include <stddef.h>
 
typedef struct _Pool
{
    void *(*alloc)(struct _Pool *pool);
    void (*free)(struct _Pool *pool, void *ptr);
} Pool;
 
typedef struct
{
    Pool padding;
 
    struct _MemoryBlock
    {
        int8_t *items;
        size_t offset;
        struct _MemoryBlock *next;
    } *block;
    struct _MemoryPtrBlock
    {
        void **items;
        size_t offset;
        struct _MemoryPtrBlock *next;
    } *free_block;
    size_t block_size;
    size_t item_size;
} MemoryPool;
 
MemoryPool *memory_pool_new(size_t item_size, size_t block_size);
 
void memory_pool_destroy(MemoryPool *pool);
 
#endif