------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- GNAT.SOCKETS.THIN.SOCKET_ERROR_MESSAGE -- -- -- -- B o d y -- -- -- -- Copyright (C) 2007-2009, 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 -- -- . -- -- -- -- 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, using the standard C -- library's strerror(3) function. It is used on all platforms except Windows, -- since on that platform socket errno values are distinct from the system -- ones: there is a specific variant of this function in g-socthi-mingw.adb. with System.CRTL.Runtime; separate (GNAT.Sockets.Thin) -------------------------- -- Socket_Error_Message -- -------------------------- function Socket_Error_Message (Errno : Integer) return C.Strings.chars_ptr is use type Interfaces.C.Strings.chars_ptr; C_Msg : constant C.Strings.chars_ptr := System.CRTL.Runtime.strerror (Errno); begin if C_Msg = C.Strings.Null_Ptr then return Unknown_System_Error; else return C_Msg; end if; end Socket_Error_Message;