Daily bump.
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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, 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 2, 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. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
21 -- --
22 -- As a special exception, if other files instantiate generics from this --
23 -- unit, or you link this unit with other files to produce an executable, --
24 -- this unit does not by itself cause the resulting executable to be --
25 -- covered by the GNU General Public License. This exception does not --
26 -- however invalidate any other reasons why the executable file might be --
27 -- covered by the GNU Public License. --
28 -- --
29 -- GNAT was originally developed by the GNAT team at New York University. --
30 -- Extensive contributions were provided by Ada Core Technologies Inc. --
31 -- --
32 ------------------------------------------------------------------------------
34 -- This is the default implementation of this unit, providing explicit
35 -- literal messages (we do not use hstrerror from the standard C library,
36 -- as this function is obsolete).
38 separate (GNAT.Sockets.Thin)
39 package body Host_Error_Messages is
41 package Messages is
42 HOST_NOT_FOUND : aliased char_array := "Host not found" & nul;
43 TRY_AGAIN : aliased char_array := "Try again" & nul;
44 NO_RECOVERY : aliased char_array := "No recovery" & nul;
45 NO_DATA : aliased char_array := "No address" & nul;
46 Unknown_Error : aliased char_array := "Unknown error" & nul;
47 end Messages;
49 function Host_Error_Message (H_Errno : Integer) return C.Strings.chars_ptr
51 use Interfaces.C.Strings;
52 function TCP
53 (P : char_array_access; Nul_Check : Boolean := False) return chars_ptr
54 renames To_Chars_Ptr;
55 begin
56 case H_Errno is
57 when Constants.HOST_NOT_FOUND =>
58 return TCP (Messages.HOST_NOT_FOUND'Access);
60 when Constants.TRY_AGAIN =>
61 return TCP (Messages.TRY_AGAIN'Access);
63 when Constants.NO_RECOVERY =>
64 return TCP (Messages.NO_RECOVERY'Access);
66 when Constants.NO_DATA =>
67 return TCP (Messages.NO_DATA'Access);
69 when others =>
70 return TCP (Messages.Unknown_Error'Access);
72 end case;
73 end Host_Error_Message;
75 end Host_Error_Messages;