adasockets/src/sockets-windows_link.adb

91 lines
4.2 KiB
Ada

-----------------------------------------------------------------------------
-- --
-- ADASOCKETS COMPONENTS --
-- --
-- S O C K E T S . W I N D O W S _ L I N K --
-- --
-- B o d y --
-- --
-- Copyright (C) 1998-2020 Samuel Tardieu <sam@rfc1149.net> --
-- Copyright (C) 1999-2003 Télécom ParisTech --
-- --
-- AdaSockets is free software; you can redistribute it and/or modify --
-- it under terms of the GNU General Public License as published by --
-- the Free Software Foundation; either version 2, or (at your option) --
-- any later version. AdaSockets is distributed in the hope that it --
-- will be useful, but WITHOUT ANY WARRANTY; without even the implied --
-- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- See the GNU General Public License for more details. You should --
-- have received a copy of the GNU General Public License distributed --
-- with AdaSockets; see file COPYING. If not, write to the Free --
-- Software Foundation, 59 Temple Place - Suite 330, Boston, MA --
-- 02111-1307, USA. --
-- --
-- As a special exception, if other files instantiate generics from --
-- this unit, or you link this unit with other files to produce an --
-- executable, this unit does not by itself cause the resulting --
-- executable to be covered by the GNU General Public License. This --
-- exception does not however invalidate any other reasons why the --
-- executable file might be covered by the GNU Public License. --
-- --
-- The main repository for this software is located at: --
-- http://www.rfc1149.net/devel/adasockets.html --
-- --
-- If you have any question, please use the issues tracker at: --
-- https://github.com/samueltardieu/adasockets/issues --
-- --
-----------------------------------------------------------------------------
-- Dmitiry Anisimkov changes only for Win32 platform --
-----------------------------------------------------------------------------
with Interfaces.C.Strings;
package body Sockets.Windows_Link is
use Interfaces, Interfaces.C, Interfaces.C.Strings;
Function_Unsupported_On_Win32 : exception;
WSAVERNOTSUPPORTED : exception;
type WSADATA is
record
wVersion : Unsigned_16;
wHighVersion : Unsigned_16;
szDescription : char_array (1 .. 129);
szSystemStatus : char_array (1 .. 257);
iMaxSockets : Unsigned_16;
iMaxUdpDg : Unsigned_16;
lpVendorInfo : chars_ptr;
end record;
pragma Convention (C, WSADATA);
WSAInfo : aliased WSADATA;
type LPWSADATA is access all WSADATA;
pragma Convention (C, LPWSADATA);
function WSAStartup
(VersionRequested : Short_Integer;
WSAData : LPWSADATA)
return Integer;
pragma Import (StdCall, WSAStartup, "WSAStartup");
-----------------
-- Unsupported --
-----------------
procedure Unsupported is
begin
raise Function_Unsupported_On_Win32;
end Unsupported;
Version : constant Short_Integer := 16#0101#;
begin
if WSAStartup (Version, WSAInfo'Access) /= 0 then
raise WSAVERNOTSUPPORTED;
end if;
end Sockets.Windows_Link;