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: /dev/pty[p-w][0-9a-f] */
62 for (char1 = 'p'; char1 <= 'w'; char1++)
63 for (char2 = '0'; char2 <= 'f'; (char2 == '9' ? char2 = 'a' : char2++))
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);
85 /* Try various master names of *BSD: /dev/pty[p-sP-S][0-9a-v] */
91 for (upper = 0; upper <= 1; upper++)
92 for (char1 = (upper ? 'P' : 'p'); char1 <= (upper ? 'S' : 's'); char1++)
93 for (char2 = '0'; char2 <= 'v'; (char2 == '9' ? char2 = 'a' : char2++))
98 sprintf (master_name, "/dev/pty%c%c", char1, char2);
99 fd = open (master_name, O_RDONLY);
105 result = ptsname (fd);
106 ASSERT (result != NULL);
107 sprintf (slave_name, "/dev/tty%c%c", char1, char2);
108 ASSERT (strcmp (result, slave_name) == 0);