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https://github.com/OISF/suricata.git
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65 lines
2.2 KiB
C
65 lines
2.2 KiB
C
/* Copyright (C) 2007-2010 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Victor Julien <[email protected]>
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*/
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#ifndef SURICATA_HASH_H
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#define SURICATA_HASH_H
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/* hash bucket structure */
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typedef struct HashTableBucket_ {
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void *data;
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uint16_t size;
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struct HashTableBucket_ *next;
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} HashTableBucket;
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/* hash table structure */
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typedef struct HashTable_ {
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HashTableBucket **array;
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uint32_t array_size;
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uint32_t seed; /**< optional random seed, to be used by the registered hash function. */
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#ifdef UNITTESTS
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uint32_t count;
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#endif
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uint32_t (*Hash)(struct HashTable_ *, void *, uint16_t);
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char (*Compare)(void *, uint16_t, void *, uint16_t);
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void (*Free)(void *);
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} HashTable;
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#define HASH_NO_SIZE 0
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/* prototypes */
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HashTable* HashTableInit(uint32_t, uint32_t (*Hash)(struct HashTable_ *, void *, uint16_t), char (*Compare)(void *, uint16_t, void *, uint16_t), void (*Free)(void *));
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HashTable *HashTableInitWithSeed(uint32_t, uint32_t (*Hash)(struct HashTable_ *, void *, uint16_t),
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char (*Compare)(void *, uint16_t, void *, uint16_t), void (*Free)(void *),
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const uint32_t seed);
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void HashTableFree(HashTable *);
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int HashTableAdd(HashTable *, void *, uint16_t);
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int HashTableRemove(HashTable *, void *, uint16_t);
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void *HashTableLookup(HashTable *, void *, uint16_t);
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void HashTableIterate(HashTable *ht, void (*CallbackFn)(void *, void *), void *aux);
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uint32_t HashTableGenericHash(HashTable *, void *, uint16_t);
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char HashTableDefaultCompare(void *, uint16_t, void *, uint16_t);
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void HashTableRegisterTests(void);
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#endif /* SURICATA_HASH_H */
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