Function foreach_state

tools/ipfw/ipfw2.c:2565–2604

}

static int
foreach_state(struct cmdline_opts *co, struct format_opts *fo,
    caddr_t base, size_t sz, state_cb dyn_bc, void *dyn_arg)
{
	int ttype;
	state_cb *fptr;
	void *farg;
	ipfw_obj_tlv *tlv;
	ipfw_obj_ctlv *ctlv;

	fptr = NULL;
	ttype = 0;

	while (sz > 0) {
		ctlv = (ipfw_obj_ctlv *)base;
		switch (ctlv->head.type) {
		case IPFW_TLV_DYNSTATE_LIST:
			base += sizeof(*ctlv);
			sz -= sizeof(*ctlv);
			ttype = IPFW_TLV_DYN_ENT;
			fptr = dyn_bc;
			farg = dyn_arg;
			break;
		default:
			return (sz);
		}

		while (sz > 0) {
			tlv = (ipfw_obj_tlv *)base;
			if (tlv->type != ttype)
				break;

			fptr(co, fo, farg, tlv + 1);
			sz -= tlv->length;
			base += tlv->length;
		}
	}

	return (sz);
}

static void
prepare_format_opts(struct cmdline_opts *co, struct format_opts *fo,