51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/*
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* Copyright (c) 2012-2013 Spotify AB
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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#include "hashalgorithms.h"
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#include "MurmurHash3.h"
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static uint64_t _read_little_endian32(const uint8_t *data, uint64_t pos) {
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return read_little_endian32(data, pos);
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}
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static void _write_little_endian32(uint8_t *data, uint64_t hash) {
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write_little_endian32(data, hash);
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}
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static sparkey_hash_algorithm murmurhash32 = {
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&murmurhash32_hash,
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&_read_little_endian32,
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&_write_little_endian32
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};
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static sparkey_hash_algorithm murmurhash64 = {
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&murmurhash64_hash,
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&read_little_endian64,
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&write_little_endian64
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};
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static sparkey_hash_algorithm invalid = {
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NULL, NULL, NULL
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};
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sparkey_hash_algorithm sparkey_get_hash_algorithm(uint32_t hash_size) {
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switch (hash_size) {
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case 4: return murmurhash32;
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case 8: return murmurhash64;
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default: return invalid;
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}
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}
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