/* metadata: Vec<u8> */
	len = bincode_getu64(&binstat);
	if (len > 0) {
		uint8_t *bytes = bincode_getbytes(&binstat, len);
		dump_buf("metadata", bytes, len);
		free(bytes);
	}
	dump_buf("buf", binstat.buf, binstat.avail);
	/* changes (without the contents): Vec<Hunk> */
	/* Hash of contents */

uint8_t *bincode_getbytes(struct bincode_state *, size_t);

}
uint8_t *
bincode_getbytes(struct bincode_state*s, size_t len)
{
	uint8_t *ret;
	ret = xmalloc(len);
	memcpy(ret, s->buf, len);
	s->buf += len;
	s->avail -= len;
	return ret;