ansi-c++-opt: Provide option --enable-c++/--disable-c++ when possible.

[gnulib.git] / tests / test-sys_socket.c

diff --git a/tests/test-sys_socket.c b/tests/test-sys_socket.c
index 385cc5d..1c3b560 100644 (file)
--- a/tests/test-sys_socket.c
+++ b/tests/test-sys_socket.c
@@ -1,10 +1,10 @@
 /* Test of <sys/socket.h> substitute.
-   Copyright (C) 2007 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
 
-   This program is free software; you can redistribute it and/or modify
+   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 2, or (at your option)
-   any later version.
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -12,8 +12,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
 
@@ -29,8 +28,11 @@ int a[] = { SHUT_RD, SHUT_WR, SHUT_RDWR };
 #endif
 
 int
-main ()
+main (void)
 {
+  struct sockaddr_storage x;
+  sa_family_t i;
+
   /* Check some errno values.  */
   switch (0)
     {
@@ -44,5 +46,12 @@ main ()
       break;
     }
 
+  x.ss_family = 42;
+  i = 42;
+
+  /* Tell the compiler that these variables are used.  */
+  (void) x;
+  (void) i;
+
   return 0;
 }