(ring_discard): Tighten assertion.

This commit is contained in:
Markus Armbruster 2007-11-18 08:17:33 +00:00
parent aef5b18c1e
commit 70a800d648

View file

@ -145,7 +145,7 @@ ring_putm(struct ring *r, void *buf, size_t sz)
void
ring_discard(struct ring *r, int n)
{
assert(n <= ring_len(r));
assert(0 <= n && n <= ring_len(r));
r->cons += n;
}