/* Test of ptsname(3).
- Copyright (C) 2010 Free Software Foundation, Inc.
+ Copyright (C) 2010-2013 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
#include "signature.h"
SIGNATURE_CHECK (ptsname, char *, (int));
+#include <errno.h>
#include <fcntl.h>
+#include <signal.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
int
main (void)
{
+#if HAVE_DECL_ALARM
+ /* Declare failure if test takes too long, by using default abort
+ caused by SIGALRM. */
+ int alarm_value = 5;
+ signal (SIGALRM, SIG_DFL);
+ alarm (alarm_value);
+#endif
+
+ {
+ char *result;
+
+ errno = 0;
+ result = ptsname (-1);
+ ASSERT (result == NULL);
+ ASSERT (errno == EBADF
+ || errno == ENOTTY /* seen on glibc */
+ );
+ }
+
{
int fd;
char *result;
#else
- /* Try various master names of MacOS X: /dev/pty[p-w][0-9a-f] */
+ /* Try various master names of Mac OS X: /dev/pty[p-w][0-9a-f] */
{
int char1;
int char2;