/* Test of <stdlib.h> substitute.
- Copyright (C) 2007 Free Software Foundation, Inc.
+ Copyright (C) 2007, 2009-2011 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
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. */
#include <stdlib.h>
-int exitcode;
+#include "verify.h"
+
+/* Check that EXIT_SUCCESS is 0, per POSIX. */
+static int exitcode = EXIT_SUCCESS;
+#if EXIT_SUCCESS
+"oops"
+#endif
+
+/* Check for GNU value (not guaranteed by POSIX, but is guaranteed by
+ gnulib). */
+#if EXIT_FAILURE != 1
+"oops"
+#endif
+
+/* Check that NULL can be passed through varargs as a pointer type,
+ per POSIX 2008. */
+verify (sizeof NULL == sizeof (void *));
+
+#if GNULIB_TEST_SYSTEM_POSIX
+# include "test-sys_wait.h"
+#else
+# define test_sys_wait_macros() 0
+#endif
int
-main ()
+main (void)
{
- /* Check that some macros are defined and different integer constants. */
- switch (exitcode)
- {
- case EXIT_SUCCESS:
- case EXIT_FAILURE:
- break;
- }
-
- return 0;
+ if (test_sys_wait_macros ())
+ return 1;
+
+ return exitcode;
}