ceph/src/boost/boost/asio/ip/impl/host_name.ipp

   1 //
   2 // ip/impl/host_name.ipp
   3 // ~~~~~~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2019 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_IMPL_HOST_NAME_IPP
  12 #define BOOST_ASIO_IP_IMPL_HOST_NAME_IPP
  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 <boost/asio/detail/socket_ops.hpp>
  20 #include <boost/asio/detail/throw_error.hpp>
  21 #include <boost/asio/detail/winsock_init.hpp>
  22 #include <boost/asio/ip/host_name.hpp>
  23
  24 #include <boost/asio/detail/push_options.hpp>
  25
  26 namespace boost {
  27 namespace asio {
  28 namespace ip {
  29
  30 std::string host_name()
  31 {
  32   char name[1024];
  33   boost::system::error_code ec;
  34   if (boost::asio::detail::socket_ops::gethostname(name, sizeof(name), ec) != 0)
  35   {
  36     boost::asio::detail::throw_error(ec);
  37     return std::string();
  38   }
  39   return std::string(name);
  40 }
  41
  42 std::string host_name(boost::system::error_code& ec)
  43 {
  44   char name[1024];
  45   if (boost::asio::detail::socket_ops::gethostname(name, sizeof(name), ec) != 0)
  46     return std::string();
  47   return std::string(name);
  48 }
  49
  50 } // namespace ip
  51 } // namespace asio
  52 } // namespace boost
  53
  54 #include <boost/asio/detail/pop_options.hpp>
  55
  56 #endif // BOOST_ASIO_IP_IMPL_HOST_NAME_IPP