- inform("invalid parameter in message %s's %s: "
- "field\n%*sparameter %s (error detected at offset %ld)",
- filename, fieldname, (int)strlen(invo_name) + 2, "",
- cp, dp - cp);
+ inform("invalid parameter in message %s's %s: field\n"
+ " parameter %s (error detected at offset %ld)",
+ filename, fieldname, cp, (long)(dp - cp));