1 | // |
---|---|
2 | // ip/impl/host_name.ipp |
3 | // ~~~~~~~~~~~~~~~~~~~~~ |
4 | // |
5 | // Copyright (c) 2003-2015 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, namelen: sizeof(name), ec) != 0) |
35 | { |
36 | boost::asio::detail::throw_error(err: 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, namelen: 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 |
57 |