1 /* Test of getting user name.
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/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2010. */
23 #include "signature.h"
24 SIGNATURE_CHECK (getlogin, char *, (void));
44 /* This can happen on GNU/Linux. */
45 fprintf (stderr, "Skipping test: no entry in utmp file.\n");
49 /* getlogin() fails when stdin is not connected to a tty. */
50 ASSERT (errno == ENOTTY
51 || errno == EINVAL /* seen on Linux/SPARC */
54 #if !defined __hpux /* On HP-UX 11.11 it fails anyway. */
55 ASSERT (! isatty (0));
57 fprintf (stderr, "Skipping test: stdin is not a tty.\n");
61 /* Compare against the value from the environment. */
62 #if !((defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__)
65 const char *name = getenv ("LOGNAME");
66 if (name == NULL || name[0] == '\0')
67 name = getenv ("USER");
68 if (name != NULL && name[0] != '\0')
69 ASSERT (strcmp (buf, name) == 0);
72 #if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
73 /* Native Windows platform.
74 Note: This test would fail on Cygwin in an ssh session, because sshd
75 sets USERNAME=SYSTEM. */
77 const char *name = getenv ("USERNAME");
78 if (name != NULL && name[0] != '\0')
79 ASSERT (strcmp (buf, name) == 0);