- sprintf(peer->mailbox, "%d", id);
- sprintf(peer->mailbox_tracker, "tracker_%d", id);
- peer->peers = xbt_dict_new();
- peer->active_peers = xbt_dict_new();
+ snprintf(peer->mailbox,MAILBOX_SIZE-1, "%d", id);
+ snprintf(peer->mailbox_tracker,MAILBOX_SIZE-1, "tracker_%d", id);
+ peer->peers = xbt_dict_new_homogeneous(NULL);
+ peer->active_peers = xbt_dict_new_homogeneous(NULL);