remove dead code

  }

}

#if 0

uint32_t dns_lookup(const char *address) {

  struct in_addr in;

  uint32_t now = time(NULL);

  /* first take this opportunity to see if there are any expired

     resolves in the tree.*/

  purge_expired_resolves(now);

  if (inet_aton(address, &in)) {

    log_fn(LOG_DEBUG, "Using static address %s (%08X)", address,

           ntohl(in.s_addr));

    return ntohl(in.s_addr);

  }

  strncpy(search.address, address, MAX_ADDRESSLEN);

  search.address[MAX_ADDRESSLEN-1] = 0;

  resolve = SPLAY_FIND(cache_tree, &cache_root, &search);

  if(resolve) { /* it's there */

    if(resolve->state == CACHE_STATE_VALID) {

      in.s_addr = htonl(resolve->addr);

      log_fn(LOG_DEBUG, "Found cached entry for address %s: %s", address,

             inet_ntoa(in));

      return resolve->addr;

    }

    log_fn(LOG_DEBUG, "Entry found for address %s but it's not valid. Returning 0.",

           address);

    return 0;

  }

  /* it's not there */

  log_fn(LOG_DEBUG, "No entry found for address %s", address);

  return 0;

}

#endif

/* See if we have a cache entry for 'exitconn->address'. if so,

 * if resolve valid, put it into exitconn->addr and return 1.

 * If resolve failed, return -1.