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Diffstat (limited to 'gnulib/tests/test-getlogin_r.c')
m--------- | gnulib | 0 | ||||
-rw-r--r-- | gnulib/tests/test-getlogin_r.c | 88 |
2 files changed, 88 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 4fc10daa05477586fea99b6b3ca02a87d1102fa diff --git a/gnulib/tests/test-getlogin_r.c b/gnulib/tests/test-getlogin_r.c new file mode 100644 index 00000000..68c68123 --- /dev/null +++ b/gnulib/tests/test-getlogin_r.c @@ -0,0 +1,88 @@ +/* Test of getting user name. + Copyright (C) 2010 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_r, int, (char *, size_t)); + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "macros.h" + +int +main (void) +{ + /* Test with a large enough buffer. */ + char buf[1024]; + + if (getlogin_r (buf, sizeof (buf)) != 0) + { + /* getlogin_r() fails when stdin is not connected to a tty. */ + ASSERT (! isatty (0)); + 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 */ + { + const char *name = getenv ("LOGNAME"); + if (name == NULL || name[0] == '\0') + name = getenv ("USER"); + if (name != NULL && name[0] != '\0') + ASSERT (strcmp (buf, name) == 0); + } +#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 + + /* Test with a small buffer. */ + { + char smallbuf[1024]; + size_t n = strlen (buf); + size_t i; + + for (i = 0; i <= n; i++) + ASSERT (getlogin_r (smallbuf, i) == ERANGE); + } + + /* Test with a huge buffer. */ + { + static char hugebuf[70000]; + + ASSERT (getlogin_r (hugebuf, sizeof (hugebuf)) == 0); + ASSERT (strcmp (hugebuf, buf) == 0); + } + + return 0; +} |