const char *vhost)
 {
        if (!vhost)
-               packet_write(stdin_fd, "%s %s%c", serv, repo, 0);
+               packet_write_fmt(stdin_fd, "%s %s%c", serv, repo, 0);
        else
-               packet_write(stdin_fd, "%s %s%chost=%s%c", serv, repo, 0,
+               packet_write_fmt(stdin_fd, "%s %s%chost=%s%c", serv, repo, 0,
                             vhost, 0);
 }
 
                size_t i;
                if (!fgets(buffer, MAXCOMMAND - 1, stdin)) {
                        if (ferror(stdin))
-                               die("Comammand input error");
+                               die("Command input error");
                        exit(0);
                }
                /* Strip end of line characters. */