change_uid = am_root && uid_ndx && sxp->st.st_uid != (uid_t)F_OWNER(file);
change_gid = gid_ndx && !(file->flags & FLAG_SKIP_GROUP)
&& sxp->st.st_gid != (gid_t)F_GROUP(file);
change_uid = am_root && uid_ndx && sxp->st.st_uid != (uid_t)F_OWNER(file);
change_gid = gid_ndx && !(file->flags & FLAG_SKIP_GROUP)
&& sxp->st.st_gid != (gid_t)F_GROUP(file);