util-hash.c File Reference

#include "suricata-common.h"
#include "util-hash.h"
#include "util-unittest.h"
#include "util-memcmp.h"

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Functions
HashTable *	HashTableInit (uint32_t size, uint32_t(*Hash)(struct HashTable_ *, void *, uint16_t), char(*Compare)(void *, uint16_t, void *, uint16_t), void(*Free)(void *))
void	HashTableFree (HashTable *ht)
void	HashTablePrint (HashTable *ht)
int	HashTableAdd (HashTable *ht, void *data, uint16_t datalen)
int	HashTableRemove (HashTable *ht, void *data, uint16_t datalen)
void *	HashTableLookup (HashTable *ht, void *data, uint16_t datalen)
uint32_t	HashTableGenericHash (HashTable *ht, void *data, uint16_t datalen)
char	HashTableDefaultCompare (void *data1, uint16_t len1, void *data2, uint16_t len2)
void	HashTableRegisterTests (void)

Detailed Description

Author

Victor Julien victo.nosp@m.r@in.nosp@m.linia.nosp@m.c.ne.nosp@m.t

Chained hash table implementation

The 'Free' pointer can be used to have the API free your hashed data. If it's NULL it's the callers responsebility

Definition in file util-hash.c.

Function Documentation

int HashTableAdd	(	HashTable *	ht,
		void *	data,
		uint16_t	datalen
	)

Definition at line 113 of file util-hash.c.

References HashTable_::array, HashTable_::array_size, HashTable_::count, HashTableBucket_::data, HashTable_::Hash, HashTableBucket_::next, SC_ERR_INVALID_VALUE, SCFree, SCLogWarning, SCMalloc, HashTableBucket_::size, and unlikely.

Referenced by DecodeRegisterPerfCounters(), DetectEngineResetMaxSigId(), DetectMetadataHashFree(), HashTableDefaultCompare(), SCClassConfAddClasstype(), and SCRConfAddReference().

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char HashTableDefaultCompare	(	void *	data1,
		uint16_t	len1,
		void *	data2,
		uint16_t	len2
	)

Definition at line 238 of file util-hash.c.

References HashTable_::Compare, HashTable_::Hash, HashTableAdd(), HashTableDefaultCompare(), HashTableFree(), HashTableGenericHash(), HashTableInit(), HashTableLookup(), HashTableRemove(), and SCMemcmp.

Referenced by HashTableDefaultCompare(), and HashTableInit().

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void HashTableFree

(

HashTable *

ht

)

Definition at line 79 of file util-hash.c.

References HashTable_::array, HashTable_::array_size, HashTableBucket_::data, HashTable_::Free, HashTableBucket_::next, and SCFree.

Referenced by DecodeUnregisterCounters(), DetectEngineResetMaxSigId(), DetectEngineThreadCtxDeinit(), DetectMetadataHashFree(), HashTableDefaultCompare(), SCClassConfDeInitContext(), SCRConfDeInitContext(), and StatsSetUI64().

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uint32_t HashTableGenericHash	(	HashTable *	ht,
		void *	data,
		uint16_t	datalen
	)

Definition at line 221 of file util-hash.c.

References HashTable_::array_size.

Referenced by HashTableDefaultCompare().

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HashTable* HashTableInit	(	uint32_t	size,
		uint32_t(*)(struct HashTable_ *, void *, uint16_t)	Hash,
		char(*)(void *, uint16_t, void *, uint16_t)	Compare,
		void(*)(void *)	Free
	)

Definition at line 34 of file util-hash.c.

References HashTable_::array, HashTable_::array_size, HashTable_::Compare, HashTable_::Free, HashTable_::Hash, HashTableDefaultCompare(), SCFree, SCMalloc, and unlikely.

Referenced by DecodeRegisterPerfCounters(), DetectEngineResetMaxSigId(), DetectMetadataHashInit(), HashTableDefaultCompare(), SCClassConfDeinit(), and SCReferenceConfDeinit().

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void* HashTableLookup	(	HashTable *	ht,
		void *	data,
		uint16_t	datalen
	)

Definition at line 193 of file util-hash.c.

References HashTable_::array, HashTable_::array_size, HashTable_::Compare, HashTableBucket_::data, HashTable_::Hash, HashTableBucket_::next, SC_ERR_INVALID_VALUE, SCLogWarning, and HashTableBucket_::size.

Referenced by DecodeRegisterPerfCounters(), DetectMetadataHashFree(), DetectSignatureApplyActions(), HashTableDefaultCompare(), SCClassConfAddClasstype(), SCClassConfGetClasstype(), SCRConfAddReference(), and SCRConfGetReference().

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void HashTablePrint

(

HashTable *

ht

)

Definition at line 105 of file util-hash.c.

References HashTable_::array_size, and HashTable_::Hash.

void HashTableRegisterTests

(

void

)

Definition at line 427 of file util-hash.c.

References UtRegisterTest().

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int HashTableRemove	(	HashTable *	ht,
		void *	data,
		uint16_t	datalen
	)

Definition at line 152 of file util-hash.c.

References HashTable_::array, HashTable_::Compare, HashTableBucket_::data, HashTable_::Free, HashTable_::Hash, HashTableBucket_::next, SCFree, and HashTableBucket_::size.

Referenced by HashTableDefaultCompare().

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