X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-unistd.c;h=5470985a8381f2b7a323ea1a6c0ac1bf7650eee4;hb=fdd1b511c5c12912aae79b58e0c5f6ffa0492d6e;hp=5fed15cf9fd8fdcc50b4ad7bb63ceef4d9b94cac;hpb=ca029d76d0c55ceada6cdda59da31b0d69e29eb3;p=gnulib.git

diff --git a/tests/test-unistd.c b/tests/test-unistd.c
index 5fed15cf9..5470985a8 100644
--- a/tests/test-unistd.c
+++ b/tests/test-unistd.c
@@ -1,5 +1,5 @@
 /* Test of <unistd.h> substitute.
-   Copyright (C) 2007, 2009 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009-2013 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
@@ -20,6 +20,12 @@
 
 #include <unistd.h>
 
+#include "verify.h"
+
+/* Check that NULL can be passed through varargs as a pointer type,
+   per POSIX 2008.  */
+verify (sizeof NULL == sizeof (void *));
+
 /* Check that the various SEEK_* macros are defined.  */
 int sk[] = { SEEK_CUR, SEEK_END, SEEK_SET };
 
@@ -44,7 +50,7 @@ intptr_t t8;
 #endif
 
 int
-main ()
+main (void)
 {
   return 0;
 }