- if (newdir != olddir) {
- of->of_d_prev->of_d_next = of->of_d_next;
- of->of_d_next->of_d_prev = of->of_d_prev;
- if (of->of_dir->d_ofork == of) {
- of->of_dir->d_ofork = (of == of->of_d_next) ? NULL : of->of_d_next;
- }
- of->of_dir = newdir;
- if (!(d_ofork = newdir->d_ofork)) {
- newdir->d_ofork = of;
- of->of_d_next = of->of_d_prev = of;
- } else {
- of->of_d_next = d_ofork;
- of->of_d_prev = d_ofork->of_d_prev;
- of->of_d_prev->of_d_next = of;
- d_ofork->of_d_prev = of;
- }
- }