1 /* Test for ptsname/ptsname_r.
2 Copyright (C) 2014-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
26 #define DEV_TTY "/dev/tty"
27 #define PTSNAME_EINVAL "./ptsname-einval"
30 do_single_test (int fd
, char *buf
, size_t buflen
, int expected_err
)
33 int ret
= ptsname_r (fd
, buf
, buflen
);
36 if (expected_err
== 0)
40 printf ("ptsname_r: expected: return = 0\n");
41 printf (" got: return = %d, errno = %d (%s)\n",
42 ret
, err
, strerror (err
));
48 if (ret
== 0 || errno
!= expected_err
)
50 printf ("ptsname_r: expected: return = %d, errno = %d (%s)\n",
51 -1, expected_err
, strerror (expected_err
));
52 printf (" got: return = %d, errno = %d (%s)\n",
53 ret
, err
, strerror (err
));
67 /* Tests with a real PTS master. */
68 int fd
= posix_openpt (O_RDWR
);
71 result
|= do_single_test (fd
, buf
, sizeof (buf
), 0);
72 result
|= do_single_test (fd
, buf
, 1, ERANGE
);
76 printf ("posix_openpt (O_RDWR) failed\nerrno %d (%s)\n",
77 errno
, strerror (errno
));
79 /* Test with a terminal device which is not a PTS master. */
80 fd
= open (DEV_TTY
, O_RDONLY
);
83 result
|= do_single_test (fd
, buf
, sizeof (buf
), ENOTTY
);
87 printf ("open (\"%s\", O_RDWR) failed\nerrno %d (%s)\n",
88 DEV_TTY
, errno
, strerror (errno
));
90 /* Test with a file. */
91 fd
= open (PTSNAME_EINVAL
, O_RDWR
| O_CREAT
, 0600);
94 result
|= do_single_test (fd
, buf
, sizeof (buf
), ENOTTY
);
96 unlink (PTSNAME_EINVAL
);
99 printf ("open (\"%s\", O_RDWR | OCREAT) failed\nerrno %d (%s)\n",
100 PTSNAME_EINVAL
, errno
, strerror (errno
));
105 #define TEST_FUNCTION do_test ()
106 #include "../test-skeleton.c"