boost/atomic/detail/string_ops.hpp
/* * 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_