mirror of
https://github.com/rspamd/rspamd.git
synced 2024-08-26 05:58:05 +02:00
115 lines
3.4 KiB
C
115 lines
3.4 KiB
C
/* Copyright (c) 2013, Vsevolod Stakhov
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef __UCL_HASH_H
|
|
#define __UCL_HASH_H
|
|
|
|
#include "ucl.h"
|
|
|
|
/******************************************************************************/
|
|
|
|
struct ucl_hash_node_s;
|
|
typedef struct ucl_hash_node_s ucl_hash_node_t;
|
|
|
|
typedef int (*ucl_hash_cmp_func) (const void* void_a, const void* void_b);
|
|
typedef void (*ucl_hash_free_func) (void *ptr);
|
|
typedef void* ucl_hash_iter_t;
|
|
|
|
|
|
/**
|
|
* Linear chained hashtable.
|
|
*/
|
|
struct ucl_hash_struct;
|
|
typedef struct ucl_hash_struct ucl_hash_t;
|
|
|
|
|
|
/**
|
|
* Initializes the hashtable.
|
|
*/
|
|
ucl_hash_t* ucl_hash_create (bool ignore_case);
|
|
|
|
/**
|
|
* Deinitializes the hashtable.
|
|
*/
|
|
void ucl_hash_destroy (ucl_hash_t* hashlin, ucl_hash_free_func func);
|
|
|
|
/**
|
|
* Inserts an element in the the hashtable.
|
|
* @return true on success, false on failure (i.e. ENOMEM)
|
|
*/
|
|
bool ucl_hash_insert (ucl_hash_t* hashlin, const ucl_object_t *obj, const char *key,
|
|
unsigned keylen);
|
|
|
|
/**
|
|
* Replace element in the hash
|
|
*/
|
|
void ucl_hash_replace (ucl_hash_t* hashlin, const ucl_object_t *old,
|
|
const ucl_object_t *new);
|
|
|
|
/**
|
|
* Delete an element from the the hashtable.
|
|
*/
|
|
void ucl_hash_delete (ucl_hash_t* hashlin, const ucl_object_t *obj);
|
|
|
|
/**
|
|
* Searches an element in the hashtable.
|
|
*/
|
|
const ucl_object_t* ucl_hash_search (ucl_hash_t* hashlin, const char *key,
|
|
unsigned keylen);
|
|
|
|
|
|
/**
|
|
* Iterate over hash table
|
|
* @param hashlin hash
|
|
* @param iter iterator (must be NULL on first iteration)
|
|
* @param ep pointer record exception (such as ENOMEM), could be NULL
|
|
* @return the next object
|
|
*/
|
|
const void* ucl_hash_iterate2 (ucl_hash_t *hashlin, ucl_hash_iter_t *iter, int *ep);
|
|
|
|
/**
|
|
* Helper macro to support older code
|
|
*/
|
|
#define ucl_hash_iterate(hl, ip) ucl_hash_iterate2((hl), (ip), NULL)
|
|
|
|
/**
|
|
* Check whether an iterator has next element
|
|
*/
|
|
bool ucl_hash_iter_has_next (ucl_hash_t *hashlin, ucl_hash_iter_t iter);
|
|
|
|
/**
|
|
* Reserves space in hash
|
|
* @return true on sucess, false on failure (e.g. ENOMEM)
|
|
* @param hashlin
|
|
*/
|
|
bool ucl_hash_reserve (ucl_hash_t *hashlin, size_t sz);
|
|
|
|
/**
|
|
* Sorts keys in a hash
|
|
* @param hashlin
|
|
* @param fl
|
|
*/
|
|
void ucl_hash_sort (ucl_hash_t *hashlin, enum ucl_object_keys_sort_flags fl);
|
|
|
|
#endif
|