2 Copyright (C) 2010-2013 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));
32 #include "same-inode.h"
36 /* Compare two slave names.
37 On some systems, there are hard links in the /dev/ directory.
38 For example, on OSF/1 5.1,
39 /dev/ttyp0 == /dev/pts/0
40 /dev/ttyp9 == /dev/pts/9
41 /dev/ttypa == /dev/pts/10
42 /dev/ttype == /dev/pts/14
45 same_slave (const char *slave_name1, const char *slave_name2)
50 return (strcmp (slave_name1, slave_name2) == 0
51 || (stat (slave_name1, &statbuf1) >= 0
52 && stat (slave_name2, &statbuf2) >= 0
53 && SAME_INODE (statbuf1, statbuf2)));
60 /* Declare failure if test takes too long, by using default abort
62 signal (SIGALRM, SIG_DFL);
70 result = ptsname (-1);
71 ASSERT (result == NULL);
72 ASSERT (errno == EBADF
73 || errno == ENOTTY /* seen on glibc */
81 /* Open the controlling tty of the current process. */
82 fd = open ("/dev/tty", O_RDONLY);
85 fprintf (stderr, "Skipping test: cannot open controlling tty\n");
89 result = ptsname (fd);
90 /* The result is usually NULL, because /dev/tty is a slave, not a
94 ASSERT (memcmp (result, "/dev/", 5) == 0);
101 /* Solaris has BSD-style /dev/pty[p-r][0-9a-f] files, but the function
102 ptsname() does not work on them. */
107 /* Open the controlling tty of the current process. */
108 fd = open ("/dev/ptmx", O_RDWR | O_NOCTTY);
111 fprintf (stderr, "Skipping test: cannot open pseudo-terminal\n");
115 result = ptsname (fd);
116 ASSERT (result != NULL);
117 ASSERT (memcmp (result, "/dev/pts/", 9) == 0);
124 /* Try various master names of Mac OS X: /dev/pty[p-w][0-9a-f] */
129 for (char1 = 'p'; char1 <= 'w'; char1++)
130 for (char2 = '0'; char2 <= 'f'; (char2 == '9' ? char2 = 'a' : char2++))
132 char master_name[32];
135 sprintf (master_name, "/dev/pty%c%c", char1, char2);
136 fd = open (master_name, O_RDONLY);
142 result = ptsname (fd);
143 ASSERT (result != NULL);
144 sprintf (slave_name, "/dev/tty%c%c", char1, char2);
145 ASSERT (same_slave (result, slave_name));
152 /* Try various master names of *BSD: /dev/pty[p-sP-S][0-9a-v] */
158 for (upper = 0; upper <= 1; upper++)
159 for (char1 = (upper ? 'P' : 'p'); char1 <= (upper ? 'S' : 's'); char1++)
160 for (char2 = '0'; char2 <= 'v'; (char2 == '9' ? char2 = 'a' : char2++))
162 char master_name[32];
165 sprintf (master_name, "/dev/pty%c%c", char1, char2);
166 fd = open (master_name, O_RDONLY);
172 result = ptsname (fd);
173 ASSERT (result != NULL);
174 sprintf (slave_name, "/dev/tty%c%c", char1, char2);
175 ASSERT (same_slave (result, slave_name));