| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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 -- |
| -- <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, 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; |
