this following approach may lead to situations where the same
file or directory is processed twice under different absolute
paths without that duplication being detected. Perhaps we
- should use dev+ino pairs instead of names? */
+ should use dev+ino pairs instead of names? (See listed03.at for
+ a related test case.) */
const char *cdpath = tar_getcdpath (cdidx);
size_t copylen;
bool need_separator;