Add a "router_add_exit_policy_from_string" function.

  }

}

int router_add_exit_policy_from_string(routerinfo_t *router,

                                       char *s)

{

  directory_token_t tok;

  char *tmp, *cp;

  int r;

  tmp = cp = tor_strdup(s);

  if (router_get_next_token(&cp, &tok)) {

    log_fn(LOG_WARNING, "Error reading exit policy: %s", tok.val.error);

    free(tmp);

    return -1;                                                        

  }

  if (tok.tp != K_ACCEPT && tok.tp != K_REJECT) {

    log_fn(LOG_WARNING, "Expected 'accept' or 'reject'.");

    free(tmp);

    return -1;

  }

  r = router_add_exit_policy(router, &tok);

  free(tmp);

  return r;

}

static int router_add_exit_policy(routerinfo_t *router, 

                                  directory_token_t *tok) {

  struct exit_policy_t *tmpe, *newe;