invoking shell are not enough on HP-UX. */
close (0);
close (1);
+
errno = 0;
ASSERT (lseek (0, (off_t)0, SEEK_CUR) == -1);
ASSERT (errno == EBADF);
+
errno = 0;
ASSERT (lseek (1, (off_t)0, SEEK_CUR) == -1);
ASSERT (errno == EBADF);
+
+ /* Test behaviour for invalid file descriptors. */
+ errno = 0;
+ ASSERT (lseek (-1, (off_t)0, SEEK_CUR) == -1);
+ ASSERT (errno == EBADF);
+
+ errno = 0;
+ ASSERT (lseek (99, (off_t)0, SEEK_CUR) == -1);
+ ASSERT (errno == EBADF);
+
break;
default: