2 Copyright (C) 2010 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
21 #include "signature.h"
22 SIGNATURE_CHECK (ptsname, char *, (int));
38 /* Open the controlling tty of the current process. */
39 fd = open ("/dev/tty", O_RDONLY);
42 fprintf (stderr, "Skipping test: cannot open controlling tty\n");
46 result = ptsname (fd);
47 /* The result is usually NULL, because /dev/tty is a slave, not a
51 ASSERT (memcmp (result, "/dev/", 5) == 0);
57 /* Try various master names of MacOS X. */
62 for (char1 = 'p'; char1 <= 'w'; char1++)
63 for (char2 = '0'; char2 <= 'f'; char2 = (char2 == '9' ? 'a' : char2 + 1))
68 sprintf (master_name, "/dev/pty%c%c", char1, char2);
69 fd = open (master_name, O_RDONLY);
75 result = ptsname (fd);
76 ASSERT (result != NULL);
77 sprintf (slave_name, "/dev/tty%c%c", char1, char2);
78 ASSERT (strcmp (result, slave_name) == 0);