From 682f23e7bb4a52bedf46eff5c4859e1308eda124 Mon Sep 17 00:00:00 2001 From: Michał Cichoń Date: Tue, 25 Aug 2015 19:56:24 +0200 Subject: Update build ref --- libcurl/src/lib/hash.h | 106 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 libcurl/src/lib/hash.h (limited to 'libcurl/src/lib/hash.h') diff --git a/libcurl/src/lib/hash.h b/libcurl/src/lib/hash.h new file mode 100644 index 0000000..02c304a --- /dev/null +++ b/libcurl/src/lib/hash.h @@ -0,0 +1,106 @@ +#ifndef HEADER_CURL_HASH_H +#define HEADER_CURL_HASH_H +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2007, Daniel Stenberg, , 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 "curl_setup.h" + +#include + +#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; +}; + +struct curl_hash_iterator { + struct curl_hash *hash; + int slot_index; + struct curl_llist_element *current_element; +}; + +CURL_STATIC int Curl_hash_init(struct curl_hash *h, + int slots, + hash_function hfunc, + comp_function comparator, + curl_hash_dtor dtor); + +CURL_STATIC struct curl_hash *Curl_hash_alloc(int slots, + hash_function hfunc, + comp_function comparator, + curl_hash_dtor dtor); + +CURL_STATIC void *Curl_hash_add(struct curl_hash *h, void *key, size_t key_len, void *p); +CURL_STATIC int Curl_hash_delete(struct curl_hash *h, void *key, size_t key_len); +CURL_STATIC void *Curl_hash_pick(struct curl_hash *, void * key, size_t key_len); +CURL_STATIC void Curl_hash_apply(struct curl_hash *h, void *user, + void (*cb)(void *user, void *ptr)); +CURL_STATIC int Curl_hash_count(struct curl_hash *h); +CURL_STATIC void Curl_hash_clean(struct curl_hash *h); +CURL_STATIC void Curl_hash_clean_with_criterium(struct curl_hash *h, void *user, + int (*comp)(void *, void *)); +CURL_STATIC void Curl_hash_destroy(struct curl_hash *h); + +CURL_STATIC size_t Curl_hash_str(void* key, size_t key_length, size_t slots_num); +CURL_STATIC size_t Curl_str_key_compare(void*k1, size_t key1_len, void*k2, + size_t key2_len); + +CURL_STATIC void Curl_hash_start_iterate(struct curl_hash *hash, + struct curl_hash_iterator *iter); +CURL_STATIC struct curl_hash_element * +Curl_hash_next_element(struct curl_hash_iterator *iter); + +CURL_STATIC void Curl_hash_print(struct curl_hash *h, + void (*func)(void *)); + + +#endif /* HEADER_CURL_HASH_H */ -- cgit v1.2.3