1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
5 -- GNAT.SOCKETS.THIN.HOST_ERROR_MESSAGES --
9 -- Copyright (C) 2007-2010, AdaCore --
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. --
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. --
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/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
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34 -- as this function is obsolete).
36 separate (GNAT.Sockets.Thin)
37 package body Host_Error_Messages is
40 HOST_NOT_FOUND : aliased char_array := "Host not found" & nul;
41 TRY_AGAIN : aliased char_array := "Try again" & nul;
42 NO_RECOVERY : aliased char_array := "No recovery" & nul;
43 NO_DATA : aliased char_array := "No address" & nul;
44 Unknown_Error : aliased char_array := "Unknown error" & nul;
47 function Host_Error_Message (H_Errno : Integer) return C.Strings.chars_ptr
49 use Interfaces.C.Strings;
51 (P : char_array_access; Nul_Check : Boolean := False) return chars_ptr
56 when SOSC.HOST_NOT_FOUND =>
57 return TCP (Messages.HOST_NOT_FOUND'Access);
59 when SOSC.TRY_AGAIN =>
60 return TCP (Messages.TRY_AGAIN'Access);
62 when SOSC.NO_RECOVERY =>
63 return TCP (Messages.NO_RECOVERY'Access);
66 return TCP (Messages.NO_DATA'Access);
69 return TCP (Messages.Unknown_Error'Access);
72 end Host_Error_Message;
74 end Host_Error_Messages;