1 /* Test of getting user name.
2 Copyright (C) 2010-2016 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/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2010. */
23 #include "signature.h"
24 SIGNATURE_CHECK (getlogin, char *, (void));
34 #include <sys/types.h>
49 /* This can happen on GNU/Linux. */
50 fprintf (stderr, "Skipping test: no entry in utmp file.\n");
54 /* getlogin() fails when stdin is not connected to a tty. */
55 ASSERT (errno == ENOTTY
56 || errno == EINVAL /* seen on Linux/SPARC */
59 #if !defined __hpux /* On HP-UX 11.11 it fails anyway. */
60 ASSERT (! isatty (0));
62 fprintf (stderr, "Skipping test: stdin is not a tty.\n");
66 /* Compare against the value from the environment. */
67 #if !((defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__)
75 tty = ttyname (STDIN_FILENO);
78 fprintf (stderr, "Skipping test: stdin is not a tty.\n");
82 ASSERT (stat (tty, &stat_buf) == 0);
84 pwd = getpwuid (stat_buf.st_uid);
87 long int uid = stat_buf.st_uid;
88 fprintf (stderr, "Skipping test: no name found for uid %ld\n", uid);
92 ASSERT (strcmp (pwd->pw_name, buf) == 0);
96 #if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
97 /* Native Windows platform.
98 Note: This test would fail on Cygwin in an ssh session, because sshd
99 sets USERNAME=SYSTEM. */
101 const char *name = getenv ("USERNAME");
102 if (name != NULL && name[0] != '\0')
103 ASSERT (strcmp (buf, name) == 0);