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Diffstat (limited to 'boost/atomic/detail/string_ops.hpp')
-rw-r--r-- | boost/atomic/detail/string_ops.hpp | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/boost/atomic/detail/string_ops.hpp b/boost/atomic/detail/string_ops.hpp new file mode 100644 index 0000000000..ce145b98f2 --- /dev/null +++ b/boost/atomic/detail/string_ops.hpp @@ -0,0 +1,61 @@ +/* + * Distributed under the Boost Software License, Version 1.0. + * (See accompanying file LICENSE_1_0.txt or copy at + * http://www.boost.org/LICENSE_1_0.txt) + * + * Copyright (c) 2018 Andrey Semashev + */ +/*! + * \file atomic/detail/string_ops.hpp + * + * This header defines string operations for Boost.Atomic + */ + +#ifndef BOOST_ATOMIC_DETAIL_STRING_OPS_HPP_INCLUDED_ +#define BOOST_ATOMIC_DETAIL_STRING_OPS_HPP_INCLUDED_ + +#include <boost/atomic/detail/config.hpp> + +#ifdef BOOST_HAS_PRAGMA_ONCE +#pragma once +#endif + +#if defined(__has_builtin) +#if __has_builtin(__builtin_memcpy) +#define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY +#endif +#if __has_builtin(__builtin_memcmp) +#define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP +#endif +#if __has_builtin(__builtin_memset) +#define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMSET +#endif +#elif defined(BOOST_GCC) +#define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY +#define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP +#define BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMSET +#endif + +#if defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY) +#define BOOST_ATOMIC_DETAIL_MEMCPY __builtin_memcpy +#else +#define BOOST_ATOMIC_DETAIL_MEMCPY std::memcpy +#endif + +#if defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP) +#define BOOST_ATOMIC_DETAIL_MEMCMP __builtin_memcmp +#else +#define BOOST_ATOMIC_DETAIL_MEMCMP std::memcmp +#endif + +#if defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMSET) +#define BOOST_ATOMIC_DETAIL_MEMSET __builtin_memset +#else +#define BOOST_ATOMIC_DETAIL_MEMSET std::memset +#endif + +#if !defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCPY) || !defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMCMP) || !defined(BOOST_ATOMIC_DETAIL_HAS_BUILTIN_MEMSET) +#include <cstring> +#endif + +#endif // BOOST_ATOMIC_DETAIL_STRING_OPS_HPP_INCLUDED_ |