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/* $Id: mempool.h,v 1.7 2006/06/12 22:00:38 mjt Exp $
* memory pool #include file
*/
#ifndef _MEMPOOL_H_INCLUDED
#define _MEMPOOL_H_INCLUDED
struct mempool_chunk;
struct mempool { /* free-once memory pool. All members are private */
struct mempool_chunk *mp_chunk; /* list of chunks with free space */
struct mempool_chunk *mp_fullc; /* list of full chunks */
unsigned mp_nallocs; /* number of allocs so far */
unsigned mp_datasz; /* size of allocated data */
const char *mp_lastbuf; /* last allocated string */
unsigned mp_lastlen; /* length of lastbuf */
};
void mp_init(struct mempool *mp);
void *mp_alloc(struct mempool *mp, unsigned size, int align);
#define mp_talloc(mp, type) ((type*)mp_alloc((mp), sizeof(type), 1))
void mp_free(struct mempool *mp);
char *mp_strdup(struct mempool *mp, const char *str);
void *mp_memdup(struct mempool *mp, const void *buf, unsigned len);
const char *mp_dstrdup(struct mempool *mp, const char *str);
const void *mp_dmemdup(struct mempool *mp, const void *buf, unsigned len);
/* dstrdup, dmemdup trying to pack repeated strings together */
#endif
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