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// Copyright (C) 2019-2021 Joel Rosdahl and other contributors
//
// See doc/AUTHORS.adoc for a complete list of contributors.
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 3 of the License, or (at your option)
// any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details.
//
// You should have received a copy of the GNU General Public License along with
// this program; if not, write to the Free Software Foundation, Inc., 51
// Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#pragma once
#ifdef USE_XXH_DISPATCH
# include "third_party/xxh_x86dispatch.h"
#else
# include "third_party/xxhash.h"
#endif
#include <cstdint>
namespace util {
class XXH3_64
{
public:
XXH3_64();
~XXH3_64();
void reset();
void update(const void* data, size_t length);
uint64_t digest() const;
private:
XXH3_state_t* m_state;
};
inline XXH3_64::XXH3_64() : m_state(XXH3_createState())
{
reset();
}
inline XXH3_64::~XXH3_64()
{
XXH3_freeState(m_state);
}
inline void
XXH3_64::reset()
{
XXH3_64bits_reset(m_state);
}
inline void
XXH3_64::update(const void* data, size_t length)
{
XXH3_64bits_update(m_state, data, length);
}
inline uint64_t
XXH3_64::digest() const
{
return XXH3_64bits_digest(m_state);
}
} // namespace util
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