std::error_condition default_error_condition()

in demo_example/asio/asio/impl/error_code.ipp [110:192]

• 81 lines of code
• 35 McCabe index (conditional complexity)

  std::error_condition default_error_condition(
      int ev) const ASIO_ERROR_CATEGORY_NOEXCEPT
  {
    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::make_error_condition(ev, *this);
    case timed_out:
      return std::errc::timed_out;
    case try_again:
      return std::errc::resource_unavailable_try_again;
    case would_block:
      return std::errc::operation_would_block;
    default:
      return std::make_error_condition(ev, *this);
  }
#endif // defined(ASIO_HAS_STD_ERROR_CODE)

private:
  // Helper function to adapt the result from glibc's variant of strerror_r.
  static const char* strerror_result(int, const char* s) { return s; }
  static const char* strerror_result(const char* s, const char*) { return s; }
};