boost/asio/ip/impl/address_v4.hpp

//
// ip/impl/address_v4.hpp
// ~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2016 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_IMPL_ADDRESS_V4_HPP
#define BOOST_ASIO_IP_IMPL_ADDRESS_V4_HPP
#if defined(_MSC_VER) && (_MSC_VER >= 1200)
# pragma once
#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
#if !defined(BOOST_ASIO_NO_IOSTREAM)
#include <boost/asio/detail/throw_error.hpp>
#include <boost/asio/detail/push_options.hpp>
namespace boost {
namespace asio {
namespace ip {
template <typename Elem, typename Traits>
std::basic_ostream<Elem, Traits>& operator<<(
    std::basic_ostream<Elem, Traits>& os, const address_v4& addr)
{
  boost::system::error_code ec;
  std::string s = addr.to_string(ec);
  if (ec)
  {
    if (os.exceptions() & std::basic_ostream<Elem, Traits>::failbit)
      boost::asio::detail::throw_error(ec);
    else
      os.setstate(std::basic_ostream<Elem, Traits>::failbit);
  }
  else
    for (std::string::iterator i = s.begin(); i != s.end(); ++i)
      os << os.widen(*i);
  return os;
}
} // namespace ip
} // namespace asio
} // namespace boost
#include <boost/asio/detail/pop_options.hpp>
#endif // !defined(BOOST_ASIO_NO_IOSTREAM)
#endif // BOOST_ASIO_IP_IMPL_ADDRESS_V4_HPP