Use the new circ-description function for GETINFO circuit-status

    circuit_t *circ;

    smartlist_t *status = smartlist_create();

    for (circ = _circuit_get_global_list(); circ; circ = circ->next) {

      char *s, *path;

      char *s, *circdesc;

      size_t slen;

      const char *state;

      const char *purpose;

      if (! CIRCUIT_IS_ORIGIN(circ) || circ->marked_for_close)

        continue;

      path = circuit_list_path_for_controller(TO_ORIGIN_CIRCUIT(circ));

      if (circ->state == CIRCUIT_STATE_OPEN)

        state = "BUILT";

      else if (strlen(path))

      else if (TO_ORIGIN_CIRCUIT(circ)->cpath)

        state = "EXTENDED";

      else

        state = "LAUNCHED";

      purpose = circuit_purpose_to_controller_string(circ->purpose);

      slen = strlen(path)+strlen(state)+strlen(purpose)+30;

      circdesc = circuit_describe_status_for_controller(

        TO_ORIGIN_CIRCUIT(circ));

      slen = strlen(circdesc)+strlen(state)+30;

      s = tor_malloc(slen+1);

      tor_snprintf(s, slen, "%lu %s%s%s PURPOSE=%s",

      tor_snprintf(s, slen, "%lu %s%s%s",

                   (unsigned long)TO_ORIGIN_CIRCUIT(circ)->global_identifier,

                   state, *path ? " " : "", path, purpose);

                   state, *circdesc ? " " : "", circdesc);

      smartlist_add(status, s);

      tor_free(path);

      tor_free(circdesc);

    }

    *answer = smartlist_join_strings(status, "\r\n", 0, NULL);

    SMARTLIST_FOREACH(status, char *, cp, tor_free(cp));