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#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;
}
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