1 // 2 // ip/bad_address_cast.hpp 3 // ~~~~~~~~~~~~~~~~~~~~~~~ 4 // 5 // Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com) 6 // 7 // Distributed under the Boost Software License, Version 1.0. (See accompanying 8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 9 // 10 11 #ifndef BOOST_ASIO_IP_BAD_ADDRESS_CAST_HPP 12 #define BOOST_ASIO_IP_BAD_ADDRESS_CAST_HPP 13 14 #if defined(_MSC_VER) && (_MSC_VER >= 1200) 15 # pragma once 16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) 17 18 #include <boost/asio/detail/config.hpp> 19 #include <typeinfo> 20 21 #include <boost/asio/detail/push_options.hpp> 22 23 namespace boost { 24 namespace asio { 25 namespace ip { 26 27 /// Thrown to indicate a failed address conversion. 28 class bad_address_cast : 29 #if defined(BOOST_ASIO_MSVC) && defined(_HAS_EXCEPTIONS) && !_HAS_EXCEPTIONS 30 public std::exception 31 #else 32 public std::bad_cast 33 #endif 34 { 35 public: 36 /// Default constructor. bad_address_cast()37 bad_address_cast() {} 38 39 /// Destructor. ~bad_address_cast()40 virtual ~bad_address_cast() BOOST_ASIO_NOEXCEPT_OR_NOTHROW {} 41 42 /// Get the message associated with the exception. what() const43 virtual const char* what() const BOOST_ASIO_NOEXCEPT_OR_NOTHROW 44 { 45 return "bad address cast"; 46 } 47 }; 48 49 } // namespace ip 50 } // namespace asio 51 } // namespace boost 52 53 #include <boost/asio/detail/pop_options.hpp> 54 55 #endif // BOOST_ASIO_IP_ADDRESS_HPP 56