id[l] = 0;
D(("id %s fd %d", id, fd));
t = findtrack(id, 1/*create*/);
- write(fd, "", 1); /* write an ack */
+ if (write(fd, "", 1) < 0) /* write an ack */
+ error(errno, "writing ack to inbound connection");
if(t->fd != -1) {
error(0, "%s: already got a connection", id);
xclose(fd);