#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. * * $Id$ ***************************************************************************/ #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