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+//
+// local/detail/impl/endpoint.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Derived from a public domain implementation written by Daniel Casimiro.
+//
+// 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 ASIO_LOCAL_DETAIL_IMPL_ENDPOINT_IPP
+#define ASIO_LOCAL_DETAIL_IMPL_ENDPOINT_IPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#if defined(ASIO_HAS_LOCAL_SOCKETS)
+
+#include <cstring>
+#include "asio/detail/socket_ops.hpp"
+#include "asio/detail/throw_error.hpp"
+#include "asio/error.hpp"
+#include "asio/local/detail/endpoint.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace local {
+namespace detail {
+
+endpoint::endpoint()
+{
+ init("", 0);
+}
+
+endpoint::endpoint(const char* path_name)
+{
+ using namespace std; // For strlen.
+ init(path_name, strlen(path_name));
+}
+
+endpoint::endpoint(const std::string& path_name)
+{
+ init(path_name.data(), path_name.length());
+}
+
+void endpoint::resize(std::size_t new_size)
+{
+ if (new_size > sizeof(asio::detail::sockaddr_un_type))
+ {
+ asio::error_code ec(asio::error::invalid_argument);
+ asio::detail::throw_error(ec);
+ }
+ else if (new_size == 0)
+ {
+ path_length_ = 0;
+ }
+ else
+ {
+ path_length_ = new_size
+ - offsetof(asio::detail::sockaddr_un_type, sun_path);
+
+ // The path returned by the operating system may be NUL-terminated.
+ if (path_length_ > 0 && data_.local.sun_path[path_length_ - 1] == 0)
+ --path_length_;
+ }
+}
+
+std::string endpoint::path() const
+{
+ return std::string(data_.local.sun_path, path_length_);
+}
+
+void endpoint::path(const char* p)
+{
+ using namespace std; // For strlen.
+ init(p, strlen(p));
+}
+
+void endpoint::path(const std::string& p)
+{
+ init(p.data(), p.length());
+}
+
+bool operator==(const endpoint& e1, const endpoint& e2)
+{
+ return e1.path() == e2.path();
+}
+
+bool operator<(const endpoint& e1, const endpoint& e2)
+{
+ return e1.path() < e2.path();
+}
+
+void endpoint::init(const char* path_name, std::size_t path_length)
+{
+ if (path_length > sizeof(data_.local.sun_path) - 1)
+ {
+ // The buffer is not large enough to store this address.
+ asio::error_code ec(asio::error::name_too_long);
+ asio::detail::throw_error(ec);
+ }
+
+ using namespace std; // For memcpy.
+ data_.local = asio::detail::sockaddr_un_type();
+ data_.local.sun_family = AF_UNIX;
+ if (path_length > 0)
+ memcpy(data_.local.sun_path, path_name, path_length);
+ path_length_ = path_length;
+
+ // NUL-terminate normal path names. Names that start with a NUL are in the
+ // UNIX domain protocol's "abstract namespace" and are not NUL-terminated.
+ if (path_length > 0 && data_.local.sun_path[0] == 0)
+ data_.local.sun_path[path_length] = 0;
+}
+
+} // namespace detail
+} // namespace local
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // defined(ASIO_HAS_LOCAL_SOCKETS)
+
+#endif // ASIO_LOCAL_DETAIL_IMPL_ENDPOINT_IPP