//
	// 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 BOOST_ASIO_LOCAL_DETAIL_IMPL_ENDPOINT_IPP
	#define BOOST_ASIO_LOCAL_DETAIL_IMPL_ENDPOINT_IPP
	
	#if defined(_MSC_VER) && (_MSC_VER >= 1200)
	# pragma once
	#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
	
	#include <boost/asio/detail/config.hpp>
	
	#if defined(BOOST_ASIO_HAS_LOCAL_SOCKETS)
	
	#include <cstring>
	#include <boost/asio/detail/socket_ops.hpp>
	#include <boost/asio/detail/throw_error.hpp>
	#include <boost/asio/error.hpp>
	#include <boost/asio/local/detail/endpoint.hpp>
	
	#include <boost/asio/detail/push_options.hpp>
	
	namespace boost {
	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(boost::asio::detail::sockaddr_un_type))
	  {
	    boost::system::error_code ec(boost::asio::error::invalid_argument);
	    boost::asio::detail::throw_error(ec);
	  }
	  else if (new_size == 0)
	  {
	    path_length_ = 0;
	  }
	  else
	  {
	    path_length_ = new_size
	      - offsetof(boost::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.
	    boost::system::error_code ec(boost::asio::error::name_too_long);
	    boost::asio::detail::throw_error(ec);
	  }
	
	  using namespace std; // For memcpy.
	  data_.local = boost::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
	} // namespace boost
	
	#include <boost/asio/detail/pop_options.hpp>
	
	#endif // defined(BOOST_ASIO_HAS_LOCAL_SOCKETS)
	
	#endif // BOOST_ASIO_LOCAL_DETAIL_IMPL_ENDPOINT_IPP