On Thu, Mar 03 2022, Junio C Hamano wrote: >> +static int parse_opt_whitespace(const struct option *opt, const char *arg, int unset) >> +{ >> + struct apply_state dummy = { }; > > It is rare to see a completely empty initializer in this codebase, I > think. I don't think we use them at all. It's GNU GCC-specific syntax that translates to the equivalent of { 0 }, which we can use instead.