- /* Shouldn't happen. */
- error (1, errno, "%s", source_dirname);
+ struct stat source_dir_stats;
+ struct stat dest_dir_stats;
+ char *source_dirname, *dest_dirname;
+
+ /* Compare the parent directories (via the device and inode numbers). */
+ source_dirname = dir_name (source);
+ dest_dirname = dir_name (dest);
+
+ if (stat (source_dirname, &source_dir_stats))
+ {
+ /* Shouldn't happen. */
+ error (1, errno, "%s", source_dirname);
+ }
+
+ if (stat (dest_dirname, &dest_dir_stats))
+ {
+ /* Shouldn't happen. */
+ error (1, errno, "%s", dest_dirname);
+ }
+
+ free (source_dirname);
+ free (dest_dirname);
+
+ if (SAME_INODE (source_dir_stats, dest_dir_stats))
+ return 1;