libcruft-util/hash/fnv1a.hpp

30 lines
921 B
C++

/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright 2010-2015 Danny Robson <danny@nerdcruft.net>
*/
#ifndef __UTIL_HASH_FNV1A_HPP
#define __UTIL_HASH_FNV1A_HPP
#include <cstdint>
#include <cstddef>
namespace util { namespace hash {
// Fast and general hashing using FNV-1a
uint32_t fnv1a32 (const void *restrict, size_t);
uint64_t fnv1a64 (const void *restrict, size_t);
} }
#endif