Line data    Source code

       1             : // POSIX-specific implementation details of system_error_category
       2             : //
       3             : // Copyright 2018 Peter Dimov
       4             : //
       5             : // Distributed under the Boost Software License, Version 1.0. (See accompanying
       6             : // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
       7             : //
       8             : // See library home page at http://www.boost.org/libs/system
       9             : 
      10             : namespace boost
      11             : {
      12             : 
      13             : namespace system
      14             : {
      15             : 
      16             : namespace detail
      17             : {
      18             : 
      19           0 : inline bool is_generic_value( int ev ) BOOST_NOEXCEPT
      20             : {
      21           0 :     using namespace errc;
      22             : 
      23           0 :     static int const gen[] =
      24             :     {
      25             :         success,
      26             :         address_family_not_supported,
      27             :         address_in_use,
      28             :         address_not_available,
      29             :         already_connected,
      30             :         argument_list_too_long,
      31             :         argument_out_of_domain,
      32             :         bad_address,
      33             :         bad_file_descriptor,
      34             :         bad_message,
      35             :         broken_pipe,
      36             :         connection_aborted,
      37             :         connection_already_in_progress,
      38             :         connection_refused,
      39             :         connection_reset,
      40             :         cross_device_link,
      41             :         destination_address_required,
      42             :         device_or_resource_busy,
      43             :         directory_not_empty,
      44             :         executable_format_error,
      45             :         file_exists,
      46             :         file_too_large,
      47             :         filename_too_long,
      48             :         function_not_supported,
      49             :         host_unreachable,
      50             :         identifier_removed,
      51             :         illegal_byte_sequence,
      52             :         inappropriate_io_control_operation,
      53             :         interrupted,
      54             :         invalid_argument,
      55             :         invalid_seek,
      56             :         io_error,
      57             :         is_a_directory,
      58             :         message_size,
      59             :         network_down,
      60             :         network_reset,
      61             :         network_unreachable,
      62             :         no_buffer_space,
      63             :         no_child_process,
      64             :         no_link,
      65             :         no_lock_available,
      66             :         no_message_available,
      67             :         no_message,
      68             :         no_protocol_option,
      69             :         no_space_on_device,
      70             :         no_stream_resources,
      71             :         no_such_device_or_address,
      72             :         no_such_device,
      73             :         no_such_file_or_directory,
      74             :         no_such_process,
      75             :         not_a_directory,
      76             :         not_a_socket,
      77             :         not_a_stream,
      78             :         not_connected,
      79             :         not_enough_memory,
      80             :         not_supported,
      81             :         operation_canceled,
      82             :         operation_in_progress,
      83             :         operation_not_permitted,
      84             :         operation_not_supported,
      85             :         operation_would_block,
      86             :         owner_dead,
      87             :         permission_denied,
      88             :         protocol_error,
      89             :         protocol_not_supported,
      90             :         read_only_file_system,
      91             :         resource_deadlock_would_occur,
      92             :         resource_unavailable_try_again,
      93             :         result_out_of_range,
      94             :         state_not_recoverable,
      95             :         stream_timeout,
      96             :         text_file_busy,
      97             :         timed_out,
      98             :         too_many_files_open_in_system,
      99             :         too_many_files_open,
     100             :         too_many_links,
     101             :         too_many_symbolic_link_levels,
     102             :         value_too_large,
     103             :         wrong_protocol_type
     104             :     };
     105             : 
     106           0 :     int const n = sizeof( gen ) / sizeof( gen[0] );
     107             : 
     108           0 :     for( int i = 0; i < n; ++i )
     109             :     {
     110           0 :         if( ev == gen[ i ] ) return true;
     111             :     }
     112             : 
     113             :     return false;
     114             : }
     115             : 
     116           0 : inline error_condition system_category_default_error_condition_posix( int ev ) BOOST_NOEXCEPT
     117             : {
     118           0 :     if( is_generic_value( ev ) )
     119             :     {
     120           0 :         return error_condition( ev, generic_category() );
     121             :     }
     122             :     else
     123             :     {
     124           0 :         return error_condition( ev, system_category() );
     125             :     }
     126             : }
     127             : 
     128             : } // namespace detail
     129             : 
     130             : } // namespace system
     131             : 
     132             : } // namespace boost