Introduce a transport_t deep copy function.

  tor_free(transport);

}

/** Return a deep copy of <b>transport</b>. */

static transport_t *

transport_copy(const transport_t *transport)

{

  transport_t *new_transport = NULL;

  tor_assert(transport);

  new_transport = tor_malloc_zero(sizeof(transport_t));

  new_transport->socks_version = transport->socks_version;

  new_transport->name = tor_strdup(transport->name);

  tor_addr_copy(&new_transport->addr, &transport->addr);

  new_transport->port = transport->port;

  new_transport->marked_for_removal = transport->marked_for_removal;

  return new_transport;

}

/** Returns the transport in our transport list that has the name <b>name</b>.

 *  Else returns NULL. */

transport_t *