/**
* Advance the BDD iterator, taking into account that some assignments
* need to be expanded twice.
*/
static void
advance_assignment(struct ipset_iterator *iterator)
{
/* Check the current state of the iterator to determine how to
* advance. */
/* In most cases, the assignment we just finished only needed to be
* expanded once. So we move on to the next assignment and process
* it. */
if (CORK_LIKELY(iterator->multiple_expansion_state ==
IPSET_ITERATOR_NORMAL))
{
ipset_bdd_iterator_advance(iterator->bdd_iterator);
process_assignment(iterator);
return;
}
/* If the assignment needs to be expanded twice, we'll do the IPv4
* expansion first. If that's what we've just finished, do the IPv6
* expansion next. */
if (iterator->multiple_expansion_state == IPSET_ITERATOR_MULTIPLE_IPV4) {
DEBUG("Expanding IPv6 second");
iterator->multiple_expansion_state = IPSET_ITERATOR_MULTIPLE_IPV6;
ipset_assignment_set
(iterator->bdd_iterator->assignment, 0, IPSET_FALSE);
expand_ipv6(iterator);
return;
}
/* If we've just finished the IPv6 expansion, then we've finished
* with this assignment. Before moving on to the next one, we have
* to reset variable 0 to EITHER (which it was before we started
* this whole mess). */
if (iterator->multiple_expansion_state == IPSET_ITERATOR_MULTIPLE_IPV6) {
DEBUG("Finished both expansions");
ipset_assignment_set
(iterator->bdd_iterator->assignment, 0, IPSET_EITHER);
ipset_bdd_iterator_advance(iterator->bdd_iterator);
process_assignment(iterator);
return;
}
}
static void
cork_buffer_ensure_size_int(struct cork_buffer *buffer, size_t desired_size)
{
size_t new_size;
if (CORK_LIKELY(buffer->allocated_size >= desired_size)) {
return;
}
/* Make sure we at least double the old size when reallocating. */
new_size = buffer->allocated_size * 2;
if (desired_size > new_size) {
new_size = desired_size;
}
buffer->buf = cork_realloc(buffer->buf, buffer->allocated_size, new_size);
buffer->allocated_size = new_size;
}
