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------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- GNAT.SOCKETS.THIN.HOST_ERROR_MESSAGES -- -- -- -- B o d y -- -- -- -- Copyright (C) 2007-2010, AdaCore -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 3, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- <http://www.gnu.org/licenses/>. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- This is the default implementation of this unit, providing explicit -- literal messages (we do not use hstrerror from the standard C library, -- as this function is obsolete). separate (GNAT.Sockets.Thin) package body Host_Error_Messages is package Messages is HOST_NOT_FOUND : aliased char_array := "Host not found" & nul; TRY_AGAIN : aliased char_array := "Try again" & nul; NO_RECOVERY : aliased char_array := "No recovery" & nul; NO_DATA : aliased char_array := "No address" & nul; Unknown_Error : aliased char_array := "Unknown error" & nul; end Messages; function Host_Error_Message (H_Errno : Integer) return C.Strings.chars_ptr is use Interfaces.C.Strings; function TCP (P : char_array_access; Nul_Check : Boolean := False) return chars_ptr renames To_Chars_Ptr; begin case H_Errno is when SOSC.HOST_NOT_FOUND => return TCP (Messages.HOST_NOT_FOUND'Access); when SOSC.TRY_AGAIN => return TCP (Messages.TRY_AGAIN'Access); when SOSC.NO_RECOVERY => return TCP (Messages.NO_RECOVERY'Access); when SOSC.NO_DATA => return TCP (Messages.NO_DATA'Access); when others => return TCP (Messages.Unknown_Error'Access); end case; end Host_Error_Message; end Host_Error_Messages;
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