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RocksDB for Erlang
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deps/rocksdb/util/hash128.h
// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#pragma once
// 128-bit hash gets it own header so that more popular hash.h doesn't
// depend on math128.h
#include "rocksdb/slice.h"
#include "util/math128.h"
namespace ROCKSDB_NAMESPACE {
// Stable/persistent 128-bit hash for non-cryptographic applications.
Unsigned128 Hash128(const char* data, size_t n, uint64_t seed);
// Specific optimization without seed (same as seed = 0)
Unsigned128 Hash128(const char* data, size_t n);
inline Unsigned128 GetSliceHash128(const Slice& key) {
return Hash128(key.data(), key.size());
}
} // namespace ROCKSDB_NAMESPACE