+++ /dev/null
-/* HashKit
- * Copyright (C) 2010 Brian Aker
- * All rights reserved.
- *
- * Use and distribution licensed under the BSD license. See
- * the COPYING file in the parent directory for full text.
- */
-
-#include <libhashkit/common.h>
-
-static hashkit_return_t _set_function(struct hashkit_st::hashkit_function_st *self, hashkit_hash_algorithm_t hash_algorithm)
-{
- if (self == NULL)
- {
- return HASHKIT_INVALID_ARGUMENT;
- }
-
- switch (hash_algorithm)
- {
- case HASHKIT_HASH_MD5:
- self->function= hashkit_md5;
- break;
-
- case HASHKIT_HASH_CRC:
- self->function= hashkit_crc32;
- break;
-
- case HASHKIT_HASH_FNV1_64:
- if (libhashkit_has_algorithm(HASHKIT_HASH_FNV1_64))
- {
- self->function= hashkit_fnv1_64;
- break;
- }
- return HASHKIT_INVALID_ARGUMENT;
-
- case HASHKIT_HASH_FNV1A_64:
- if (libhashkit_has_algorithm(HASHKIT_HASH_FNV1_64))
- {
- self->function= hashkit_fnv1a_64;
- break;
- }
- return HASHKIT_INVALID_ARGUMENT;
-
- case HASHKIT_HASH_FNV1_32:
- self->function= hashkit_fnv1_32;
- break;
-
- case HASHKIT_HASH_FNV1A_32:
- self->function= hashkit_fnv1a_32;
- break;
-
- case HASHKIT_HASH_HSIEH:
- if (libhashkit_has_algorithm(HASHKIT_HASH_HSIEH))
- {
- self->function= hashkit_hsieh;
- break;
- }
- return HASHKIT_INVALID_ARGUMENT;
-
- case HASHKIT_HASH_MURMUR:
- if (libhashkit_has_algorithm(HASHKIT_HASH_MURMUR))
- {
- self->function= hashkit_murmur;
- break;
- }
- return HASHKIT_INVALID_ARGUMENT;
-
- case HASHKIT_HASH_JENKINS:
- self->function= hashkit_jenkins;
- break;
-
- case HASHKIT_HASH_CUSTOM:
- return HASHKIT_INVALID_ARGUMENT;
-
- case HASHKIT_HASH_DEFAULT:
- self->function= hashkit_one_at_a_time;
- break;
-
- case HASHKIT_HASH_MAX:
- self->function= hashkit_one_at_a_time;
- return HASHKIT_INVALID_HASH;
- }
-
- self->context= NULL;
-
- return HASHKIT_SUCCESS;
-}
-
-hashkit_return_t hashkit_set_function(hashkit_st *self, hashkit_hash_algorithm_t hash_algorithm)
-{
- return _set_function(&self->base_hash, hash_algorithm);
-}
-
-hashkit_return_t hashkit_set_distribution_function(hashkit_st *self, hashkit_hash_algorithm_t hash_algorithm)
-{
- return _set_function(&self->distribution_hash, hash_algorithm);
-}
-
-static hashkit_return_t _set_custom_function(struct hashkit_st::hashkit_function_st *self, hashkit_hash_fn function, void *context)
-{
- if (self == NULL)
- {
- return HASHKIT_INVALID_ARGUMENT;
- }
-
- if (function)
- {
- self->function= function;
- self->context= context;
-
- return HASHKIT_SUCCESS;
- }
-
- return HASHKIT_FAILURE;
-}
-
-hashkit_return_t hashkit_set_custom_function(hashkit_st *self, hashkit_hash_fn function, void *context)
-{
- if (self == NULL)
- {
- return HASHKIT_INVALID_ARGUMENT;
- }
-
-
- return _set_custom_function(&self->base_hash, function, context);
-}
-
-hashkit_return_t hashkit_set_custom_distribution_function(hashkit_st *self, hashkit_hash_fn function, void *context)
-{
- if (self == NULL)
- {
- return HASHKIT_INVALID_ARGUMENT;
- }
-
- return _set_custom_function(&self->distribution_hash, function, context);
-}
-
-static hashkit_hash_algorithm_t get_function_type(const hashkit_hash_fn function)
-{
- if (function == hashkit_one_at_a_time)
- {
- return HASHKIT_HASH_DEFAULT;
- }
- else if (function == hashkit_md5)
- {
- return HASHKIT_HASH_MD5;
- }
- else if (function == hashkit_crc32)
- {
- return HASHKIT_HASH_CRC;
- }
- else if (function == hashkit_fnv1_64)
- {
- return HASHKIT_HASH_FNV1_64;
- }
- else if (function == hashkit_fnv1a_64)
- {
- return HASHKIT_HASH_FNV1A_64;
- }
- else if (function == hashkit_fnv1_32)
- {
- return HASHKIT_HASH_FNV1_32;
- }
- else if (function == hashkit_fnv1a_32)
- {
- return HASHKIT_HASH_FNV1A_32;
- }
- else if (function == hashkit_hsieh)
- {
- return HASHKIT_HASH_HSIEH;
- }
- else if (function == hashkit_murmur)
- {
- return HASHKIT_HASH_MURMUR;
- }
- else if (function == hashkit_jenkins)
- {
- return HASHKIT_HASH_JENKINS;
- }
-
- return HASHKIT_HASH_CUSTOM;
-}
-
-hashkit_hash_algorithm_t hashkit_get_function(const hashkit_st *self)
-{
- if (self == NULL)
- {
- return HASHKIT_HASH_DEFAULT;
- }
-
- return get_function_type(self->base_hash.function);
-}
-
-hashkit_hash_algorithm_t hashkit_get_distribution_function(const hashkit_st *self)
-{
- if (self == NULL)
- {
- return HASHKIT_HASH_DEFAULT;
- }
-
- return get_function_type(self->distribution_hash.function);
-}