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62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
/*
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*
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* Copyright (c) 2018 Andrey Semashev
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*/
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/*!
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* \file atomic/detail/string_ops.hpp
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*
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* This header defines string operations for Boost.Atomic
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*/
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#ifndef BOOST_ATOMIC_DETAIL_STRING_OPS_HPP_INCLUDED_
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#define BOOST_ATOMIC_DETAIL_STRING_OPS_HPP_INCLUDED_
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#include <boost/atomic/detail/config.hpp>
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#ifdef BOOST_HAS_PRAGMA_ONCE
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#pragma once
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#endif
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#if defined(__has_builtin)
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#if __has_builtin(__builtin_memcpy)
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#define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY
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#endif
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#if __has_builtin(__builtin_memcmp)
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#define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP
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#endif
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#if __has_builtin(__builtin_memset)
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#define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMSET
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#endif
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#elif defined(BOOST_GCC)
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#define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY
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#define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP
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#define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMSET
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#endif
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#if defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY)
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#define BOOST_ATOMIC_DETAIL_MEMCPY __builtin_memcpy
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#else
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#define BOOST_ATOMIC_DETAIL_MEMCPY std::memcpy
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#endif
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#if defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP)
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#define BOOST_ATOMIC_DETAIL_MEMCMP __builtin_memcmp
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#else
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#define BOOST_ATOMIC_DETAIL_MEMCMP std::memcmp
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#endif
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#if defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMSET)
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#define BOOST_ATOMIC_DETAIL_MEMSET __builtin_memset
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#else
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#define BOOST_ATOMIC_DETAIL_MEMSET std::memset
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#endif
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#if !defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY) || !defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP) || !defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMSET)
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#include <cstring>
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#endif
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#endif // BOOST_ATOMIC_DETAIL_STRING_OPS_HPP_INCLUDED_
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