47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
// Copyright(c) 2006 to 2020 ZettaScale Technology and others
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//
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// This program and the accompanying materials are made available under the
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// terms of the Eclipse Public License v. 2.0 which is available at
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// http://www.eclipse.org/legal/epl-2.0, or the Eclipse Distribution License
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// v. 1.0 which is available at
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// http://www.eclipse.org/org/documents/edl-v10.php.
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//
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// SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
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#ifndef DDSRT_MH3_H
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#define DDSRT_MH3_H
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/** @file mh3.h
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* The Murmur hash is designed to be fast and is intended for use in hash based lookups.
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* It is not suitable for cryptographic purposes.
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*/
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#include <stdint.h>
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#include <stddef.h>
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#include "dds/export.h"
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/**
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* @brief Generate a 32-bit hash
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*
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* @param[in] key pointer to key from which to compute the hash
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* @param[in] len size of the key in bytes
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* @param[in] seed a 32-bit seed to use for computing the hash
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* @return the hash
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*/
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DDS_EXPORT uint32_t
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ddsrt_mh3(
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const void *key,
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size_t len,
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uint32_t seed);
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#if defined(__cplusplus)
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}
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#endif
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#endif /* DDSRT_MH3_H */
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