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extern/asio-1.18.2/include/asio/local/detail/endpoint.hpp

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+//
+// local/detail/endpoint.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2021 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_ENDPOINT_HPP
+#define ASIO_LOCAL_DETAIL_ENDPOINT_HPP
+
+#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 <cstddef>
+#include <string>
+#include "asio/detail/socket_types.hpp"
+#include "asio/detail/string_view.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace local {
+namespace detail {
+
+// Helper class for implementing a UNIX domain endpoint.
+class endpoint
+{
+public:
+  // Default constructor.
+  ASIO_DECL endpoint();
+
+  // Construct an endpoint using the specified path name.
+  ASIO_DECL endpoint(const char* path_name);
+
+  // Construct an endpoint using the specified path name.
+  ASIO_DECL endpoint(const std::string& path_name);
+
+  #if defined(ASIO_HAS_STRING_VIEW)
+  // Construct an endpoint using the specified path name.
+  ASIO_DECL endpoint(string_view path_name);
+  #endif // defined(ASIO_HAS_STRING_VIEW)
+
+  // Copy constructor.
+  endpoint(const endpoint& other)
+    : data_(other.data_),
+      path_length_(other.path_length_)
+  {
+  }
+
+  // Assign from another endpoint.
+  endpoint& operator=(const endpoint& other)
+  {
+    data_ = other.data_;
+    path_length_ = other.path_length_;
+    return *this;
+  }
+
+  // Get the underlying endpoint in the native type.
+  asio::detail::socket_addr_type* data()
+  {
+    return &data_.base;
+  }
+
+  // Get the underlying endpoint in the native type.
+  const asio::detail::socket_addr_type* data() const
+  {
+    return &data_.base;
+  }
+
+  // Get the underlying size of the endpoint in the native type.
+  std::size_t size() const
+  {
+    return path_length_
+      + offsetof(asio::detail::sockaddr_un_type, sun_path);
+  }
+
+  // Set the underlying size of the endpoint in the native type.
+  ASIO_DECL void resize(std::size_t size);
+
+  // Get the capacity of the endpoint in the native type.
+  std::size_t capacity() const
+  {
+    return sizeof(asio::detail::sockaddr_un_type);
+  }
+
+  // Get the path associated with the endpoint.
+  ASIO_DECL std::string path() const;
+
+  // Set the path associated with the endpoint.
+  ASIO_DECL void path(const char* p);
+
+  // Set the path associated with the endpoint.
+  ASIO_DECL void path(const std::string& p);
+
+  // Compare two endpoints for equality.
+  ASIO_DECL friend bool operator==(
+      const endpoint& e1, const endpoint& e2);
+
+  // Compare endpoints for ordering.
+  ASIO_DECL friend bool operator<(
+      const endpoint& e1, const endpoint& e2);
+
+private:
+  // The underlying UNIX socket address.
+  union data_union
+  {
+    asio::detail::socket_addr_type base;
+    asio::detail::sockaddr_un_type local;
+  } data_;
+
+  // The length of the path associated with the endpoint.
+  std::size_t path_length_;
+
+  // Initialise with a specified path.
+  ASIO_DECL void init(const char* path, std::size_t path_length);
+};
+
+} // namespace detail
+} // namespace local
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#if defined(ASIO_HEADER_ONLY)
+# include "asio/local/detail/impl/endpoint.ipp"
+#endif // defined(ASIO_HEADER_ONLY)
+
+#endif // defined(ASIO_HAS_LOCAL_SOCKETS)
+
+#endif // ASIO_LOCAL_DETAIL_ENDPOINT_HPP

extern/asio-1.18.2/include/asio/local/detail/impl/endpoint.ipp

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+//
+// local/detail/impl/endpoint.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2021 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());
+}
+
+#if defined(ASIO_HAS_STRING_VIEW)
+endpoint::endpoint(string_view path_name)
+{
+  init(path_name.data(), path_name.length());
+}
+#endif // defined(ASIO_HAS_STRING_VIEW)
+
+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