mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-15 01:21:06 +00:00
109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
/* Test for ptsname/ptsname_r.
|
|
Copyright (C) 2014-2015 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Aurelien Jarno <aurelien@aurel32.net>, 2014.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#define DEV_TTY "/dev/tty"
|
|
#define PTSNAME_EINVAL "./ptsname-einval"
|
|
|
|
static int
|
|
do_single_test (int fd, char *buf, size_t buflen, int expected_err)
|
|
{
|
|
|
|
int ret = ptsname_r (fd, buf, buflen);
|
|
int err = errno;
|
|
|
|
if (expected_err == 0)
|
|
{
|
|
if (ret != 0)
|
|
{
|
|
printf ("ptsname_r: expected: return = 0\n");
|
|
printf (" got: return = %d, errno = %d (%s)\n",
|
|
ret, err, strerror (err));
|
|
return 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (ret == 0 || errno != expected_err)
|
|
{
|
|
printf ("ptsname_r: expected: return = %d, errno = %d (%s)\n",
|
|
-1, expected_err, strerror (expected_err));
|
|
printf (" got: return = %d, errno = %d (%s)\n",
|
|
ret, err, strerror (err));
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
char buf[512];
|
|
int result = 0;
|
|
|
|
/* Tests with a real PTS master. */
|
|
int fd = posix_openpt (O_RDWR);
|
|
if (fd != -1)
|
|
{
|
|
result |= do_single_test (fd, buf, sizeof (buf), 0);
|
|
result |= do_single_test (fd, NULL, sizeof (buf), EINVAL);
|
|
result |= do_single_test (fd, buf, 1, ERANGE);
|
|
close (fd);
|
|
}
|
|
else
|
|
printf ("posix_openpt (O_RDWR) failed\nerrno %d (%s)\n",
|
|
errno, strerror (errno));
|
|
|
|
/* Test with a terminal device which is not a PTS master. */
|
|
fd = open (DEV_TTY, O_RDONLY);
|
|
if (fd != -1)
|
|
{
|
|
result |= do_single_test (fd, buf, sizeof (buf), ENOTTY);
|
|
close (fd);
|
|
}
|
|
else
|
|
printf ("open (\"%s\", O_RDWR) failed\nerrno %d (%s)\n",
|
|
DEV_TTY, errno, strerror (errno));
|
|
|
|
/* Test with a file. */
|
|
fd = open (PTSNAME_EINVAL, O_RDWR | O_CREAT, 0600);
|
|
if (fd != -1)
|
|
{
|
|
result |= do_single_test (fd, buf, sizeof (buf), ENOTTY);
|
|
close (fd);
|
|
unlink (PTSNAME_EINVAL);
|
|
}
|
|
else
|
|
printf ("open (\"%s\", O_RDWR | OCREAT) failed\nerrno %d (%s)\n",
|
|
PTSNAME_EINVAL, errno, strerror (errno));
|
|
|
|
return result;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|