Function sbuf_clear

freebsd/kern/subr_sbuf.c:311–325

* Clear an sbuf and reset its position. */

 * Clear an sbuf and reset its position.
 */
void
sbuf_clear(struct sbuf *s)
{

	assert_sbuf_integrity(s);
	/* don't care if it's finished or not */
	KASSERT(s->s_drain_func == NULL,
	    ("%s makes no sense on sbuf %p with drain", __func__, s));

	SBUF_CLEARFLAG(s, SBUF_FINISHED);
	s->s_error = 0;
	s->s_len = 0;
	s->s_rec_off = 0;
	s->s_sect_len = 0;
}

/*
 * Set the sbuf's end position to an arbitrary value.