+ /* 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);
+ }
+ }