gcc/ada/libgnat/g-stheme.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                   GNAT.SOCKETS.THIN.HOST_ERROR_MESSAGES                  --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --                     Copyright (C) 2007-2017, AdaCore                     --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
  17 --                                                                          --
  18 -- As a special exception under Section 7 of GPL version 3, you are granted --
  19 -- additional permissions described in the GCC Runtime Library Exception,   --
  20 -- version 3.1, as published by the Free Software Foundation.               --
  21 --                                                                          --
  22 -- You should have received a copy of the GNU General Public License and    --
  23 -- a copy of the GCC Runtime Library Exception along with this program;     --
  24 -- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
  25 -- <http://www.gnu.org/licenses/>.                                          --
  26 --                                                                          --
  27 -- GNAT was originally developed  by the GNAT team at  New York University. --
  28 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  29 --                                                                          --
  30 ------------------------------------------------------------------------------
  31
  32 --  This is the default implementation of this unit, providing explicit
  33 --  literal messages (we do not use hstrerror from the standard C library,
  34 --  as this function is obsolete).
  35
  36 separate (GNAT.Sockets.Thin)
  37 package body Host_Error_Messages is
  38
  39    function Host_Error_Message (H_Errno : Integer) return String is
  40    begin
  41       case H_Errno is
  42          when SOSC.HOST_NOT_FOUND =>
  43             return "Host not found";
  44          when SOSC.TRY_AGAIN      =>
  45             return "Try again";
  46          when SOSC.NO_RECOVERY    =>
  47             return "No recovery";
  48          when SOSC.NO_DATA        =>
  49             return "No address";
  50          when others              =>
  51             return "Unknown error";
  52       end case;
  53    end Host_Error_Message;
  54
  55 end Host_Error_Messages;