boost::uintmax_t bytes_to_transfer = 0;
for (filesystem::directory_iterator i = filesystem::directory_iterator (dcp_dir); i != filesystem::directory_iterator(); ++i) {
boost::uintmax_t bytes_to_transfer = 0;
for (filesystem::directory_iterator i = filesystem::directory_iterator (dcp_dir); i != filesystem::directory_iterator(); ++i) {