1 files changed, 20 insertions, 13 deletions

diff --git a/gl/sockets.c b/gl/sockets.c
index ae961482..f7846b33 100644
--- a/gl/sockets.c
+++ b/gl/sockets.c
@@ -1,19 +1,19 @@
 /* sockets.c --- wrappers for Windows socket functions
 
-   Copyright (C) 2008-2013 Free Software Foundation, Inc.
+   Copyright (C) 2008-2021 Free Software Foundation, Inc.
 
-   This program is free software: you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
+   This file is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
 
-   This program is distributed in the hope that it will be useful,
+   This file 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.
+   GNU Lesser General Public License for more details.
 
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+   You should have received a copy of the GNU Lesser General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
 
 /* Written by Simon Josefsson */
 
@@ -28,7 +28,11 @@
 # include <sys/socket.h>
 
 # include "fd-hook.h"
-# include "msvc-nothrow.h"
+# if GNULIB_MSVC_NOTHROW
+#  include "msvc-nothrow.h"
+# else
+#  include <io.h>
+# endif
 
 /* Get set_winsock_errno, FD_TO_SOCKET etc. */
 # include "w32sock.h"
@@ -109,7 +113,7 @@ static int initialized_sockets_version /* = 0 */;
 #endif /* WINDOWS_SOCKETS */
 
 int
-gl_sockets_startup (int version _GL_UNUSED)
+gl_sockets_startup (_GL_UNUSED int version)
 {
 #if WINDOWS_SOCKETS
   if (version > initialized_sockets_version)
@@ -121,8 +125,11 @@ gl_sockets_startup (int version _GL_UNUSED)
       if (err != 0)
         return 1;
 
-      if (data.wVersion < version)
-        return 2;
+      if (data.wVersion != version)
+        {
+          WSACleanup ();
+          return 2;
+        }
 
       if (initialized_sockets_version == 0)
         register_fd_hook (close_fd_maybe_socket, ioctl_fd_maybe_socket,