+ switch (pos->packet_index->len) {
+ case 0:
+ g_array_set_size(pos->packet_index, 1);
+ cur_index = &g_array_index(pos->packet_index,
+ struct packet_index, 0);
+ break;
+ case 1:
+ g_array_set_size(pos->packet_index, 2);
+ prev_index = &g_array_index(pos->packet_index,
+ struct packet_index, 0);
+ cur_index = &g_array_index(pos->packet_index,
+ struct packet_index, 1);
+ break;
+ case 2:
+ g_array_index(pos->packet_index,
+ struct packet_index, 0) =
+ g_array_index(pos->packet_index,
+ struct packet_index, 1);
+ prev_index = &g_array_index(pos->packet_index,
+ struct packet_index, 0);
+ cur_index = &g_array_index(pos->packet_index,
+ struct packet_index, 1);
+ break;
+ default:
+ abort();
+ break;
+ }