* last place written. */
long last_subbuf = (write_offset - 1) / buf->subbuf_size;
- DBG("first_subbuf=%d", first_subbuf);
- DBG("last_subbuf=%d", last_subbuf);
+ DBG("first_subbuf=%ld", first_subbuf);
+ DBG("last_subbuf=%ld", last_subbuf);
if(last_subbuf - first_subbuf >= buf->n_subbufs) {
DBG("an overflow has occurred, nothing can be recovered");