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author | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-01-20 10:55:18 +0000 |
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committer | Lorry Tar Creator <lorry-tar-importer@lorry> | 2016-01-20 10:55:18 +0000 |
commit | 70e9163c9c18e995515598085cb824e554eb7ae7 (patch) | |
tree | a42dc8b2a6c031354bf31472de888bfc8a060132 /gnulib-tests/test-getlogin.c | |
parent | cbf5993c43f49281173f185863577d86bfac6eae (diff) | |
download | coreutils-tarball-70e9163c9c18e995515598085cb824e554eb7ae7.tar.gz |
coreutils-8.25HEADcoreutils-8.25master
Diffstat (limited to 'gnulib-tests/test-getlogin.c')
-rw-r--r-- | gnulib-tests/test-getlogin.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/gnulib-tests/test-getlogin.c b/gnulib-tests/test-getlogin.c new file mode 100644 index 0000000..6e1b64c --- /dev/null +++ b/gnulib-tests/test-getlogin.c @@ -0,0 +1,108 @@ +/* Test of getting user name. + Copyright (C) 2010-2016 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* Written by Bruno Haible <bruno@clisp.org>, 2010. */ + +#include <config.h> + +#include <unistd.h> + +#include "signature.h" +SIGNATURE_CHECK (getlogin, char *, (void)); + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <pwd.h> + +#include <sys/stat.h> +#include <sys/types.h> + +#include "macros.h" + +int +main (void) +{ + char *buf; + + /* Test value. */ + buf = getlogin (); + if (buf == NULL) + { + if (errno == ENOENT) + { + /* This can happen on GNU/Linux. */ + fprintf (stderr, "Skipping test: no entry in utmp file.\n"); + return 77; + } + + /* getlogin() fails when stdin is not connected to a tty. */ + ASSERT (errno == ENOTTY + || errno == EINVAL /* seen on Linux/SPARC */ + || errno == ENXIO + ); +#if !defined __hpux /* On HP-UX 11.11 it fails anyway. */ + ASSERT (! isatty (0)); +#endif + fprintf (stderr, "Skipping test: stdin is not a tty.\n"); + return 77; + } + + /* Compare against the value from the environment. */ +#if !((defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__) + /* Unix platform */ + { +# if HAVE_TTYNAME + const char *tty; + struct stat stat_buf; + struct passwd *pwd; + + tty = ttyname (STDIN_FILENO); + if (tty == NULL) + { + fprintf (stderr, "Skipping test: stdin is not a tty.\n"); + return 77; + } + + ASSERT (stat (tty, &stat_buf) == 0); + + pwd = getpwuid (stat_buf.st_uid); + if (! pwd) + { + long int uid = stat_buf.st_uid; + fprintf (stderr, "Skipping test: no name found for uid %ld\n", uid); + return 77; + } + + ASSERT (strcmp (pwd->pw_name, buf) == 0); +# endif + } +#endif +#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__ + /* Native Windows platform. + Note: This test would fail on Cygwin in an ssh session, because sshd + sets USERNAME=SYSTEM. */ + { + const char *name = getenv ("USERNAME"); + if (name != NULL && name[0] != '\0') + ASSERT (strcmp (buf, name) == 0); + } +#endif + + return 0; +} |