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1 //
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2 // ip/impl/host_name.ipp
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3 // ~~~~~~~~~~~~~~~~~~~~~
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4 //
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5 // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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6 //
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7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
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8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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9 //
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10
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11 #ifndef BOOST_ASIO_IP_IMPL_HOST_NAME_IPP
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12 #define BOOST_ASIO_IP_IMPL_HOST_NAME_IPP
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13
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14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
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15 # pragma once
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16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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17
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18 #include <boost/asio/detail/config.hpp>
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19 #include <boost/asio/detail/socket_ops.hpp>
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20 #include <boost/asio/detail/throw_error.hpp>
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21 #include <boost/asio/detail/winsock_init.hpp>
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22 #include <boost/asio/ip/host_name.hpp>
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23
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24 #include <boost/asio/detail/push_options.hpp>
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25
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26 namespace boost {
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27 namespace asio {
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28 namespace ip {
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29
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30 std::string host_name()
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31 {
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32 char name[1024];
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33 boost::system::error_code ec;
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34 if (boost::asio::detail::socket_ops::gethostname(name, sizeof(name), ec) != 0)
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35 {
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36 boost::asio::detail::throw_error(ec);
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37 return std::string();
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38 }
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39 return std::string(name);
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40 }
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41
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42 std::string host_name(boost::system::error_code& ec)
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43 {
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44 char name[1024];
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45 if (boost::asio::detail::socket_ops::gethostname(name, sizeof(name), ec) != 0)
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46 return std::string();
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47 return std::string(name);
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48 }
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49
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50 } // namespace ip
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51 } // namespace asio
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52 } // namespace boost
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53
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54 #include <boost/asio/detail/pop_options.hpp>
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55
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56 #endif // BOOST_ASIO_IP_IMPL_HOST_NAME_IPP
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