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1 | // |
2 | // ip/impl/host_name.ipp | |
3 | // ~~~~~~~~~~~~~~~~~~~~~ | |
4 | // | |
5 | // Copyright (c) 2003-2016 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 |