glibc/io/tst-ttyname_r.c
Ulrich Drepper f0d5e1f67b * nis/nis_subr.c (nis_getnames): Revert last change.
2006-12-04  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/unix/sysv/linux/ttyname.c: Include termios.h.
	(ttyname): Use tcgetattr instead of isatty, don't set errno to ENOTTY.
	* sysdeps/unix/sysv/linux/ttyname_r.c: Include termios.h.
	(__ttyname_r): Use tcgetattr instead of isatty, don't set errno to
	ENOTTY.
	* io/Makefile: Add rules to build and run tst-ttyname_r test.
	* io/tst-ttyname_r.c: New test.
2006-12-05 21:28:15 +00:00

43 lines
878 B
C

#include <errno.h>
#include <error.h>
#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
static void do_prepare (void);
#define PREPARE(argc, argv) do_prepare ()
static int do_test (void);
#define TEST_FUNCTION do_test ()
#include <test-skeleton.c>
static int temp_fd;
static void
do_prepare (void)
{
char *temp_file;
temp_fd = create_temp_file ("tst-ttyname_r.", &temp_file);
if (temp_fd == -1)
error (1, errno, "cannot create temporary file");
}
static int
do_test (void)
{
int ret = 0;
char buf[sysconf (_SC_TTY_NAME_MAX) + 1];
int res = ttyname_r (-1, buf, sizeof (buf));
if (res != EBADF)
{
printf ("1st ttyname_r returned with res %d\n", res);
ret++;
}
res = ttyname_r (temp_fd, buf, sizeof (buf));
if (res != ENOTTY)
{
printf ("2nd ttyname_r returned with res %d\n", res);
ret++;
}
return ret;
}