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#ifndef __HASH_H
#define __HASH_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2007, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "setup.h"
#include <stddef.h>
#include "llist.h"
/* Hash function prototype */
typedef size_t (*hash_function) (void* key,
size_t key_length,
size_t slots_num);
/*
Comparator function prototype. Compares two keys.
*/
typedef size_t (*comp_function) (void* key1,
size_t key1_len,
void*key2,
size_t key2_len);
typedef void (*curl_hash_dtor)(void *);
struct curl_hash {
struct curl_llist **table;
/* Hash function to be used for this hash table */
hash_function hash_func;
/* Comparator function to compare keys */
comp_function comp_func;
curl_hash_dtor dtor;
int slots;
size_t size;
};
struct curl_hash_element {
void *ptr;
char *key;
size_t key_len;
};
int Curl_hash_init(struct curl_hash *h,
int slots,
hash_function hfunc,
comp_function comparator,
curl_hash_dtor dtor);
struct curl_hash *Curl_hash_alloc(int slots,
hash_function hfunc,
comp_function comparator,
curl_hash_dtor dtor);
void *Curl_hash_add(struct curl_hash *h, void *key, size_t key_len, void *p);
int Curl_hash_delete(struct curl_hash *h, void *key, size_t key_len);
void *Curl_hash_pick(struct curl_hash *, void * key, size_t key_len);
void Curl_hash_apply(struct curl_hash *h, void *user,
void (*cb)(void *user, void *ptr));
int Curl_hash_count(struct curl_hash *h);
void Curl_hash_clean(struct curl_hash *h);
void Curl_hash_clean_with_criterium(struct curl_hash *h, void *user,
int (*comp)(void *, void *));
void Curl_hash_destroy(struct curl_hash *h);
size_t Curl_hash_str(void* key, size_t key_length, size_t slots_num);
size_t Curl_str_key_compare(void*k1, size_t key1_len, void*k2,
size_t key2_len);
#endif
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