haproxy/include/common/chtbl.h

65 lines
2.1 KiB
C

/*
This File is copied from
http://www.oreilly.com/catalog/masteralgoc/index.html
Mastering Algorithms with C
By Kyle Loudon
ISBN: 1-56592-453-3
Publishd by O'Reilly
*/
/*****************************************************************************
* *
* ------------------------------- chtbl.h -------------------------------- *
* *
*****************************************************************************/
#ifndef _COMMON_CHTBL_H
#define _COMMON_CHTBL_H
#include <stdlib.h>
#include <common/config.h>
#include <common/list.h>
/*****************************************************************************
* *
* Define a structure for chained hash tables. *
* *
*****************************************************************************/
typedef struct CHTbl_ {
int buckets;
int (*h)(const void *key);
int (*match)(const void *key1, const void *key2);
void (*destroy)(void *data);
int size;
List *table;
} CHTbl;
/*****************************************************************************
* *
* --------------------------- Public Interface --------------------------- *
* *
*****************************************************************************/
int chtbl_init(CHTbl *htbl, int buckets, int (*h)(const void *key), int
(*match)(const void *key1, const void *key2), void (*destroy)(void *data));
void chtbl_destroy(CHTbl *htbl);
int chtbl_insert(CHTbl *htbl, const void *data);
int chtbl_remove(CHTbl *htbl, void **data);
int chtbl_lookup(const CHTbl *htbl, void **data);
#define chtbl_size(htbl) ((htbl)->size)
#endif /* _COMMON_CHTBL_H */