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/ usr/ include/ libhashkit-1.0/ |
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/* vim:expandtab:shiftwidth=2:tabstop=2:smarttab: * * HashKit library * * Copyright (C) 2011-2012 Data Differential, http://datadifferential.com/ * Copyright (C) 2009-2010 Brian Aker 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. * * * The names of its contributors may not be used to endorse or * promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "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 THE COPYRIGHT * OWNER OR CONTRIBUTORS 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. * */ #pragma once typedef enum { HASHKIT_SUCCESS, HASHKIT_FAILURE, HASHKIT_MEMORY_ALLOCATION_FAILURE, HASHKIT_INVALID_HASH, HASHKIT_INVALID_ARGUMENT, HASHKIT_MAXIMUM_RETURN /* Always add new error code before */ } hashkit_return_t; static inline bool hashkit_success(const hashkit_return_t rc) { return (rc == HASHKIT_SUCCESS); } static inline bool hashkit_failed(const hashkit_return_t rc) { return (rc != HASHKIT_SUCCESS); } typedef enum { HASHKIT_HASH_DEFAULT= 0, // hashkit_one_at_a_time() HASHKIT_HASH_MD5, HASHKIT_HASH_CRC, HASHKIT_HASH_FNV1_64, HASHKIT_HASH_FNV1A_64, HASHKIT_HASH_FNV1_32, HASHKIT_HASH_FNV1A_32, HASHKIT_HASH_HSIEH, HASHKIT_HASH_MURMUR, HASHKIT_HASH_JENKINS, HASHKIT_HASH_MURMUR3, HASHKIT_HASH_CUSTOM, HASHKIT_HASH_MAX } hashkit_hash_algorithm_t; /** * Hash distributions that are available to use. */ typedef enum { HASHKIT_DISTRIBUTION_MODULA, HASHKIT_DISTRIBUTION_RANDOM, HASHKIT_DISTRIBUTION_KETAMA, HASHKIT_DISTRIBUTION_MAX /* Always add new values before this. */ } hashkit_distribution_t; #ifdef __cplusplus extern "C" { #endif typedef struct hashkit_st hashkit_st; typedef struct hashkit_string_st hashkit_string_st; typedef uint32_t (*hashkit_hash_fn)(const char *key, size_t key_length, void *context); #ifdef __cplusplus } #endif