You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-#include <config.h>
-
/* This file is designed to test both link(a,b) and
- linkat(AT_FDCWD,a,AT_FDCWD,b). FUNC is the function to test.
+ linkat(AT_FDCWD,a,AT_FDCWD,b,0). FUNC is the function to test.
Assumes that BASE and ASSERT are already defined, and that
appropriate headers are already included. If PRINT, warn before
- skipping symlink tests with status 77. */
+ skipping tests with status 77. This test does not exercise link on
+ symlinks. */
static int
test_link (int (*func) (char const *, char const *), bool print)
if (ret == -1)
{
/* If the device does not support hard links, errno is
- EPERM on Linux, EOPNOTSUPP on FreeBSD. */
+ EPERM on Linux, EOPNOTSUPP on FreeBSD. */
switch (errno)
- {
- case EPERM:
- case EOPNOTSUPP:
+ {
+ case EPERM:
+ case EOPNOTSUPP:
if (print)
fputs ("skipping test: "
"hard links not supported on this file system\n",
stderr);
ASSERT (unlink (BASE "a") == 0);
- return 77;
- default:
- perror ("link");
- return 1;
- }
+ return 77;
+ default:
+ perror ("link");
+ return 1;
+ }
}
ASSERT (ret == 0);
ASSERT (close (fd) == 0);
}
- /* Test for various error conditions. Assumes hard links to
- directories are not permitted. */
+ /* Test for various error conditions. */
ASSERT (mkdir (BASE "d", 0700) == 0);
errno = 0;
ASSERT (func (BASE "a", ".") == -1);
errno = 0;
ASSERT (func (BASE "a", BASE "c/") == -1);
ASSERT (errno == ENOTDIR || errno == ENOENT);
- errno = 0;
- ASSERT (func (BASE "d", BASE "c") == -1);
- ASSERT (errno == EPERM || errno == EACCES);
+
+ /* Most platforms reject hard links to directories, and even on
+ those that do permit it, most users can't create them. We assume
+ that if this test is run as root and we managed to create a hard
+ link, then unlink better be able to clean it up. */
+ {
+ int result;
+ errno = 0;
+ result = func (BASE "d", BASE "c");
+ if (result == 0)
+ {
+ /* Probably root on Solaris. */
+ ASSERT (unlink (BASE "c") == 0);
+ }
+ else
+ {
+ /* Most everyone else. */
+ ASSERT (errno == EPERM || errno == EACCES);
+ errno = 0;
+ ASSERT (func (BASE "d/.", BASE "c") == -1);
+ ASSERT (errno == EPERM || errno == EACCES || errno == EINVAL);
+ errno = 0;
+ ASSERT (func (BASE "d/.//", BASE "c") == -1);
+ ASSERT (errno == EPERM || errno == EACCES || errno == EINVAL);
+ }
+ }
/* Clean up. */
ASSERT (unlink (BASE "a") == 0);