1 /* Test for ptsname/ptsname_r.
2 Copyright (C) 2014-2017 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Aurelien Jarno <aurelien@aurel32.net>, 2014.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
27 #define DEV_TTY "/dev/tty"
28 #define PTSNAME_EINVAL "./ptsname-einval"
31 do_single_test (int fd
, char *buf
, size_t buflen
, int expected_err
)
34 int ret
= ptsname_r (fd
, buf
, buflen
);
37 if (expected_err
== 0)
41 printf ("ptsname_r: expected: return = 0\n");
42 printf (" got: return = %d, errno = %d (%s)\n",
43 ret
, err
, strerror (err
));
49 if (ret
== 0 || errno
!= expected_err
)
51 printf ("ptsname_r: expected: return = %d, errno = %d (%s)\n",
52 -1, expected_err
, strerror (expected_err
));
53 printf (" got: return = %d, errno = %d (%s)\n",
54 ret
, err
, strerror (err
));
68 /* Tests with a real PTS master. */
69 int fd
= posix_openpt (O_RDWR
);
72 result
|= do_single_test (fd
, buf
, sizeof (buf
), 0);
73 result
|= do_single_test (fd
, buf
, 1, ERANGE
);
77 printf ("posix_openpt (O_RDWR) failed\nerrno %d (%s)\n",
78 errno
, strerror (errno
));
80 /* Test with a terminal device which is not a PTS master. */
81 fd
= open (DEV_TTY
, O_RDONLY
);
84 result
|= do_single_test (fd
, buf
, sizeof (buf
), ENOTTY
);
88 printf ("open (\"%s\", O_RDWR) failed\nerrno %d (%s)\n",
89 DEV_TTY
, errno
, strerror (errno
));
91 /* Test with a file. */
92 fd
= open (PTSNAME_EINVAL
, O_RDWR
| O_CREAT
, 0600);
95 result
|= do_single_test (fd
, buf
, sizeof (buf
), ENOTTY
);
97 unlink (PTSNAME_EINVAL
);
100 printf ("open (\"%s\", O_RDWR | OCREAT) failed\nerrno %d (%s)\n",
101 PTSNAME_EINVAL
, errno
, strerror (errno
));
106 #define TEST_FUNCTION do_test ()
107 #include "../test-skeleton.c"