Re: [RFC/PATCH 3/9] for-each-ref: add '--points-at' option

> Karthik Nayak <karthik.188@gmail.com> writes:
>
> >>> @@ -54,7 +59,6 @@ int cmd_for_each_ref(int argc, const char **argv, const char *prefix)
> >>>        /* for warn_ambiguous_refs */
> >>>        git_config(git_default_config, NULL);
> >>>
> >>> -    memset(&ref_cbdata, 0, sizeof(ref_cbdata));
> >>
> >> I cannot quite see how this change relates to the addition of the
> >> new option.
> >>
> >
> > Well if we memset() after calling parse_opt_points_at(), we loose all
> > the information we would have obtained.
> > So the memset() is moved to an earlier location.
>
> which I did not see, because I expected the code to follow the usual
> "no decl-after-statement" pattern.  IOW
>
> >>        int maxcount = 0, quote_style = 0;
> >>        struct ref_filter_cbdata ref_cbdata;
> >> +    memset(&ref_cbdata, 0, sizeof(ref_cbdata));
> >>
> >>        struct option opts[] = {
> >>            OPT_BIT('s', "shell", &quote_style,
>
> Don't do that.  Always start your function like so:
>
>     type funcname(args)
>          {
>              declarations;
>
>                  first statement;
>         ...
>
> with no blank line within declarations block and a blank line after
> the declarations block.
>