if (inbuf_size < *len) {
PARA_INFO_LOG("increasing inbuf for chunk #%lu/%zu to %zd bytes\n",
current_chunk, num_chunks, *len);
if (inbuf_size < *len) {
PARA_INFO_LOG("increasing inbuf for chunk #%lu/%zu to %zd bytes\n",
current_chunk, num_chunks, *len);