#ifndef BOOST_SYSTEM_DETAIL_GENERIC_CATEGORY_HPP_INCLUDED
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#define BOOST_SYSTEM_DETAIL_GENERIC_CATEGORY_HPP_INCLUDED
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// Copyright Beman Dawes 2006, 2007
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// Copyright Christoper Kohlhoff 2007
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// Copyright Peter Dimov 2017, 2018
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See library home page at http://www.boost.org/libs/system
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#include <boost/system/detail/error_category.hpp>
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#include <boost/system/detail/generic_category_message.hpp>
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#include <boost/system/detail/config.hpp>
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#include <boost/config.hpp>
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namespace boost
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{
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namespace system
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{
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namespace detail
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{
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// generic_error_category
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#if ( defined( BOOST_GCC ) && BOOST_GCC >= 40600 ) || defined( BOOST_CLANG )
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wnon-virtual-dtor"
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#endif
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class BOOST_SYMBOL_VISIBLE generic_error_category: public error_category
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{
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public:
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BOOST_SYSTEM_CONSTEXPR generic_error_category() BOOST_NOEXCEPT:
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error_category( detail::generic_category_id )
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{
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}
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const char * name() const BOOST_NOEXCEPT BOOST_OVERRIDE
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{
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return "generic";
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}
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std::string message( int ev ) const BOOST_OVERRIDE;
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char const * message( int ev, char * buffer, std::size_t len ) const BOOST_NOEXCEPT BOOST_OVERRIDE;
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};
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#if ( defined( BOOST_GCC ) && BOOST_GCC >= 40600 ) || defined( BOOST_CLANG )
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#pragma GCC diagnostic pop
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#endif
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// generic_error_category::message
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inline char const * generic_error_category::message( int ev, char * buffer, std::size_t len ) const BOOST_NOEXCEPT
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{
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return generic_error_category_message( ev, buffer, len );
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}
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inline std::string generic_error_category::message( int ev ) const
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{
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return generic_error_category_message( ev );
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}
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} // namespace detail
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// generic_category()
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#if defined(BOOST_SYSTEM_HAS_CONSTEXPR)
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namespace detail
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{
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template<class T> struct BOOST_SYMBOL_VISIBLE generic_cat_holder
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{
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static constexpr generic_error_category instance{};
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};
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// Before C++17 it was mandatory to redeclare all static constexpr
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#if defined(BOOST_NO_CXX17_INLINE_VARIABLES)
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template<class T> constexpr generic_error_category generic_cat_holder<T>::instance;
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#endif
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} // namespace detail
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constexpr error_category const & generic_category() BOOST_NOEXCEPT
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{
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return detail::generic_cat_holder<void>::instance;
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}
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#else // #if defined(BOOST_SYSTEM_HAS_CONSTEXPR)
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#if !defined(__SUNPRO_CC) // trailing __global is not supported
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inline error_category const & generic_category() BOOST_NOEXCEPT BOOST_SYMBOL_VISIBLE;
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#endif
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inline error_category const & generic_category() BOOST_NOEXCEPT
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{
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static const detail::generic_error_category instance;
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return instance;
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}
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#endif // #if defined(BOOST_SYSTEM_HAS_CONSTEXPR)
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// deprecated synonyms
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#ifdef BOOST_SYSTEM_ENABLE_DEPRECATED
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BOOST_SYSTEM_DEPRECATED("please use generic_category()") inline const error_category & get_generic_category() { return generic_category(); }
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BOOST_SYSTEM_DEPRECATED("please use generic_category()") inline const error_category & get_posix_category() { return generic_category(); }
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BOOST_SYSTEM_DEPRECATED("please use generic_category()") static const error_category & posix_category BOOST_ATTRIBUTE_UNUSED = generic_category();
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BOOST_SYSTEM_DEPRECATED("please use generic_category()") static const error_category & errno_ecat BOOST_ATTRIBUTE_UNUSED = generic_category();
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#endif
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} // namespace system
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} // namespace boost
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#endif // #ifndef BOOST_SYSTEM_DETAIL_GENERIC_CATEGORY_HPP_INCLUDED
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