haproxy/include/common/hash.h
Emmanuel Hocdet 6afd898988 MINOR: hash: add new function hash_crc32c
This function will be used to perform CRC32c computations. This is
required to compute proxy protocol v2 CRC32C tlv (PP2_TYPE_CRC32C).
2018-03-21 05:04:01 +01:00

34 lines
1.1 KiB
C

/*
* include/common/hash.h
* Macros for different hashing function.
*
* Copyright (C) 2000-2011 Willy Tarreau - w@1wt.eu
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, version 2.1
* exclusively.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _COMMON_HASH_H_
#define _COMMON_HASH_H_
#include <stdint.h>
unsigned int hash_djb2(const char *key, int len);
unsigned int hash_wt6(const char *key, int len);
unsigned int hash_sdbm(const char *key, int len);
unsigned int hash_crc32(const char *key, int len);
uint32_t hash_crc32c(const char *key, int len);
#endif /* _COMMON_HASH_H_ */