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/*
* Portable memory manipulation and management routines.
* $Id$
* Copyright (c) 1997 by Tycho Softworks.
* For conditions of distribution and reuse see product license.
*/
#ifndef __OTHER_MEMORY_H__
#define __OTHER_MEMORY_H__
#ifndef __STD_TYPES_H__
#include <std/types.h>
#endif
#ifndef MEMORY_H_MISSING
#include <memory.h>
#endif
#ifndef __MEMALIGN
#define __MEMALIGN sizeof(ptr_t)
#endif
#ifndef __OBJALIGN
#define __OBJALIGN __MEMALIGN
#endif
struct _mempool;
struct _mempage;
struct _memfree;
struct _memcell;
typedef struct _mempool
{
int mem_psize;
int mem_pcount;
int mem_pused;
void *(*mem_pfault)(struct _mempool *mem, int reqsize);
struct _memfree *mem_free;
struct _mempage *mem_reuse;
struct _mempage *mem_last;
} MEMPOOL;
typedef struct _mempage
{
struct _mempage *page_next;
int page_used;
uchar page[ EMPTY ];
} MEMPAGE;
typedef struct _memfree
{
struct _memfree *next;
struct _memcell *list;
int size;
} _MEMFREE;
typedef struct _memcell
{
void *next;
} _MEMCELL;
#define memfault(mem, fault) mem->mem_pfault = fault;
#define memfirst(mem) ((MEMPAGE *)((char *)(mem) - sizeof(MEMPAGE)))
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __NAMESPACE
#define mempool __NAMESPACE(mempool)
#define memreuse __NAMESPACE(memreuse)
#define memrelease __NAMESPACE(memrelease)
#define memreq __NAMESPACE(memreq)
#define memlreq __NAMESPACE(memlreq)
#define strreq __NAMESPACE(strreq)
#define strlreq __NAMESPACE(strlreq)
#define memdup __NAMESPACE(memdup)
#define memalloc __NAMESPACE(memalloc)
#define memfree __NAMESPACE(memfree)
#endif
MEMPOOL *mempool(int psize, int pcount);
void memreuse(MEMPOOL *mem);
void memrelease(MEMPOOL *mem);
void *memreq(MEMPOOL *mem, size_t memsize);
void *memlreq(MEMPOOL *mem, size_t memsize);
char *strreq(MEMPOOL *mem, const char *str);
char *strlreq(MEMPOOL *mem, const char *str);
void *memdup(void *, size_t);
/* more advanced allocation schemes */
void *memalloc(MEMPOOL *mem, int memsize);
void memfree(MEMPOOL *mem, void *obj, int memsize);
#ifdef __cplusplus
}
#endif
#endif
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