added asio

include/asio/impl/error.ipp

@@ -0,0 +1,210 @@
+//
+// impl/error.ipp
+// ~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2025 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// 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_IMPL_ERROR_IPP
+#define ASIO_IMPL_ERROR_IPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <string>
+#include "asio/error.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace error {
+// boostify: non-boost code starts here
+namespace detail {
+
+std::error_condition error_number_to_condition(int ev)
+{
+    switch (ev)
+    {
+    case access_denied:
+      return std::errc::permission_denied;
+    case address_family_not_supported:
+      return std::errc::address_family_not_supported;
+    case address_in_use:
+      return std::errc::address_in_use;
+    case already_connected:
+      return std::errc::already_connected;
+    case already_started:
+      return std::errc::connection_already_in_progress;
+    case broken_pipe:
+      return std::errc::broken_pipe;
+    case connection_aborted:
+      return std::errc::connection_aborted;
+    case connection_refused:
+      return std::errc::connection_refused;
+    case connection_reset:
+      return std::errc::connection_reset;
+    case bad_descriptor:
+      return std::errc::bad_file_descriptor;
+    case fault:
+      return std::errc::bad_address;
+    case host_unreachable:
+      return std::errc::host_unreachable;
+    case in_progress:
+      return std::errc::operation_in_progress;
+    case interrupted:
+      return std::errc::interrupted;
+    case invalid_argument:
+      return std::errc::invalid_argument;
+    case message_size:
+      return std::errc::message_size;
+    case name_too_long:
+      return std::errc::filename_too_long;
+    case network_down:
+      return std::errc::network_down;
+    case network_reset:
+      return std::errc::network_reset;
+    case network_unreachable:
+      return std::errc::network_unreachable;
+    case no_descriptors:
+      return std::errc::too_many_files_open;
+    case no_buffer_space:
+      return std::errc::no_buffer_space;
+    case no_memory:
+      return std::errc::not_enough_memory;
+    case no_permission:
+      return std::errc::operation_not_permitted;
+    case no_protocol_option:
+      return std::errc::no_protocol_option;
+    case no_such_device:
+      return std::errc::no_such_device;
+    case not_connected:
+      return std::errc::not_connected;
+    case not_socket:
+      return std::errc::not_a_socket;
+    case operation_aborted:
+      return std::errc::operation_canceled;
+    case operation_not_supported:
+      return std::errc::operation_not_supported;
+    case shut_down:
+      return std::error_condition(ev, asio::system_category());
+    case timed_out:
+      return std::errc::timed_out;
+    case try_again:
+      return std::errc::resource_unavailable_try_again;
+    default:
+      if (ev == would_block)
+        return std::errc::operation_would_block;
+      return std::error_condition(ev, asio::system_category());
+    }
+}
+
+} // namespace detail
+// boostify: non-boost code ends here
+
+#if !defined(ASIO_WINDOWS) && !defined(__CYGWIN__)
+
+namespace detail {
+
+class netdb_category : public asio::error_category
+{
+public:
+  const char* name() const noexcept
+  {
+    return "asio.netdb";
+  }
+
+  std::string message(int value) const
+  {
+    if (value == error::host_not_found)
+      return "Host not found (authoritative)";
+    if (value == error::host_not_found_try_again)
+      return "Host not found (non-authoritative), try again later";
+    if (value == error::no_data)
+      return "The query is valid, but it does not have associated data";
+    if (value == error::no_recovery)
+      return "A non-recoverable error occurred during database lookup";
+    return "asio.netdb error";
+  }
+};
+
+} // namespace detail
+
+const asio::error_category& get_netdb_category()
+{
+  static detail::netdb_category instance;
+  return instance;
+}
+
+namespace detail {
+
+class addrinfo_category : public asio::error_category
+{
+public:
+  const char* name() const noexcept
+  {
+    return "asio.addrinfo";
+  }
+
+  std::string message(int value) const
+  {
+    if (value == error::service_not_found)
+      return "Service not found";
+    if (value == error::socket_type_not_supported)
+      return "Socket type not supported";
+    return "asio.addrinfo error";
+  }
+};
+
+} // namespace detail
+
+const asio::error_category& get_addrinfo_category()
+{
+  static detail::addrinfo_category instance;
+  return instance;
+}
+
+#endif // !defined(ASIO_WINDOWS) && !defined(__CYGWIN__)
+
+namespace detail {
+
+class misc_category : public asio::error_category
+{
+public:
+  const char* name() const noexcept
+  {
+    return "asio.misc";
+  }
+
+  std::string message(int value) const
+  {
+    if (value == error::already_open)
+      return "Already open";
+    if (value == error::eof)
+      return "End of file";
+    if (value == error::not_found)
+      return "Element not found";
+    if (value == error::fd_set_failure)
+      return "The descriptor does not fit into the select call's fd_set";
+    return "asio.misc error";
+  }
+};
+
+} // namespace detail
+
+const asio::error_category& get_misc_category()
+{
+  static detail::misc_category instance;
+  return instance;
+}
+
+} // namespace error
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_IMPL_ERROR_IPP