// // host_name.hpp // ~~~~~~~~~~~~~ // // Copyright (c) 2003-2008 Christopher M. Kohlhoff (chris at kohlhoff dot com) // // 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) // #ifndef BOOST_ASIO_IP_HOST_NAME_HPP #define BOOST_ASIO_IP_HOST_NAME_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include <boost/asio/detail/push_options.hpp> #include <boost/asio/detail/push_options.hpp> #include <string> #include <boost/asio/detail/pop_options.hpp> #include <boost/asio/error.hpp> #include <boost/asio/detail/socket_ops.hpp> #include <boost/asio/detail/throw_error.hpp> namespace boost { namespace asio { namespace ip { /// Get the current host name. std::string host_name(); /// Get the current host name. std::string host_name(boost::system::error_code& ec); inline std::string host_name() { char name[1024]; boost::system::error_code ec; if (boost::asio::detail::socket_ops::gethostname(name, sizeof(name), ec) != 0) { boost::asio::detail::throw_error(ec); return std::string(); } return std::string(name); } inline std::string host_name(boost::system::error_code& ec) { char name[1024]; if (boost::asio::detail::socket_ops::gethostname(name, sizeof(name), ec) != 0) return std::string(); return std::string(name); } } // namespace ip } // namespace asio } // namespace boost #include <boost/asio/detail/pop_options.hpp> #endif // BOOST_ASIO_IP_HOST_NAME_HPP