+ /* Setup some hierarchy to be used by this test. Start by removing
+ any leftovers from a previous partial run. */
+ {
+ int fd;
+ ignore_value (system ("rm -rf " BASE " ise"));
+ ASSERT (mkdir (BASE, 0700) == 0);
+ fd = creat (BASE "/tra", 0600);
+ ASSERT (0 <= fd);
+ ASSERT (close (fd) == 0);
+ }
+
+ /* Check for ., .., intermediate // handling, and for error cases. */
+ {
+ char *result1 = canonicalize_file_name (BASE "//./..//" BASE "/tra");
+ char *result2 = canonicalize_filename_mode (BASE "//./..//" BASE "/tra",
+ CAN_EXISTING);
+ ASSERT (result1 != NULL);
+ ASSERT (result2 != NULL);
+ ASSERT (strcmp (result1, result2) == 0);
+ ASSERT (strstr (result1, "/" BASE "/tra")
+ == result1 + strlen (result1) - strlen ("/" BASE "/tra"));
+ free (result1);
+ free (result2);
+ errno = 0;
+ result1 = canonicalize_file_name ("");
+ ASSERT (result1 == NULL);
+ ASSERT (errno == ENOENT);
+ errno = 0;
+ result2 = canonicalize_filename_mode ("", CAN_EXISTING);
+ ASSERT (result2 == NULL);
+ ASSERT (errno == ENOENT);
+ errno = 0;
+ result1 = canonicalize_file_name (null_ptr ());
+ ASSERT (result1 == NULL);
+ ASSERT (errno == EINVAL);
+ errno = 0;
+ result2 = canonicalize_filename_mode (NULL, CAN_EXISTING);
+ ASSERT (result2 == NULL);
+ ASSERT (errno == EINVAL);
+ result2 = canonicalize_filename_mode (".", CAN_MISSING | CAN_ALL_BUT_LAST);
+ ASSERT (result2 == NULL);
+ ASSERT (errno == EINVAL);
+ }
+
+ /* Check that a non-directory with trailing slash yields NULL. */
+ {
+ char *result1;
+ char *result2;
+ errno = 0;
+ result1 = canonicalize_file_name (BASE "/tra/");
+ ASSERT (result1 == NULL);
+ ASSERT (errno == ENOTDIR);
+ errno = 0;
+ result2 = canonicalize_filename_mode (BASE "/tra/", CAN_EXISTING);
+ ASSERT (result2 == NULL);
+ ASSERT (errno == ENOTDIR);
+ }
+
+ /* Check that a missing directory yields NULL. */
+ {
+ char *result1;
+ char *result2;
+ errno = 0;
+ result1 = canonicalize_file_name (BASE "/zzz/..");
+ ASSERT (result1 == NULL);
+ ASSERT (errno == ENOENT);
+ errno = 0;
+ result2 = canonicalize_filename_mode (BASE "/zzz/..", CAN_EXISTING);
+ ASSERT (result2 == NULL);
+ ASSERT (errno == ENOENT);
+ }
+
+ /* From here on out, tests involve symlinks. */
+ if (symlink (BASE "/ket", "ise") != 0)
+ {
+ ASSERT (remove (BASE "/tra") == 0);
+ ASSERT (rmdir (BASE) == 0);
+ fputs ("skipping test: symlinks not supported on this file system\n",
+ stderr);
+ return 77;
+ }
+ ASSERT (symlink ("bef", BASE "/plo") == 0);
+ ASSERT (symlink ("tra", BASE "/huk") == 0);
+ ASSERT (symlink ("lum", BASE "/bef") == 0);
+ ASSERT (symlink ("wum", BASE "/ouk") == 0);
+ ASSERT (symlink ("../ise", BASE "/ket") == 0);
+ ASSERT (mkdir (BASE "/lum", 0700) == 0);
+ ASSERT (symlink ("s", BASE "/p") == 0);
+ ASSERT (symlink ("d", BASE "/s") == 0);
+ ASSERT (mkdir (BASE "/d", 0700) == 0);
+ ASSERT (close (creat (BASE "/d/2", 0600)) == 0);
+ ASSERT (symlink ("../s/2", BASE "/d/1") == 0);
+ ASSERT (symlink ("//.//../..", BASE "/droot") == 0);
+
+ /* Check that symbolic links are not resolved, with CAN_NOLINKS. */
+ {
+ char *result1 = canonicalize_filename_mode (BASE "/huk", CAN_NOLINKS);
+ ASSERT (result1 != NULL);
+ ASSERT (strcmp (result1 + strlen (result1) - strlen ("/" BASE "/huk"),
+ "/" BASE "/huk") == 0);
+ free (result1);
+ }
+