46 	struct xid_item *item;  in xid_add()  local
49 	item = xmalloc(sizeof(struct xid_item));  in xid_add()
52 	item->ip = *ip;  in xid_add()
53 	item->xid = xid;  in xid_add()
54 	item->iface_no = iface_no;  in xid_add()
55 	item->timestamp = monotonic_sec();  in xid_add()
56 	item->next = dhcprelay_xid_list.next;  in xid_add()
57 	dhcprelay_xid_list.next = item;  in xid_add()
59 	return item;  in xid_add()
64 	struct xid_item *item = dhcprelay_xid_list.next;  in xid_expire()  local
68 	while (item != NULL) {  in xid_expire()
69 		if ((current_time - item->timestamp) > MAX_LIFETIME) {  in xid_expire()
70 			last->next = item->next;  in xid_expire()
71 			free(item);  in xid_expire()
72 			item = last->next;  in xid_expire()
74 			last = item;  in xid_expire()
75 			item = item->next;  in xid_expire()
82 	struct xid_item *item = dhcprelay_xid_list.next;  in xid_find()  local
83 	while (item != NULL) {  in xid_find()
84 		if (item->xid == xid) {  in xid_find()
87 		item = item->next;  in xid_find()
89 	return item;  in xid_find()
94 	struct xid_item *item = dhcprelay_xid_list.next;  in xid_del()  local
96 	while (item != NULL) {  in xid_del()
97 		if (item->xid == xid) {  in xid_del()
98 			last->next = item->next;  in xid_del()
99 			free(item);  in xid_del()
100 			item = last->next;  in xid_del()
102 			last = item;  in xid_del()
103 			item = item->next;  in xid_del()
235 	struct xid_item *item;  in pass_to_client()  local
245 	item = xid_find(p->xid);  in pass_to_client()
246 	if (!item) {  in pass_to_client()
256 	if (item->ip.sin_addr.s_addr == htonl(INADDR_ANY))  in pass_to_client()
257 		item->ip.sin_addr.s_addr = htonl(INADDR_BROADCAST);  in pass_to_client()
259 	sendto_ip4(fds[item->iface_no], p, packet_len, &item->ip);  in pass_to_client()