From: Junio C Hamano <gitster@pobox.com>
Date: Thu, 31 Aug 2023 17:05:07 GMT
Subject: Re: [PATCH 8/8] parse-options: mark unused parameters in noop callback
Message-ID: <xmqqzg27w3b0.fsf@gitster.g>
In-Reply-To: <20230831072027.GF3197751@coredump.intra.peff.net>

Jeff King <peff@peff.net> writes:

> Unsurprisingly, the noop options callback doesn't bother to look at any
> of its parameters. Let's mark them so that -Wunused-parameter does not
> complain.

;-)

Thanks.

> Another option would be to drop the callback and have parse-options
> itself recognize OPT_NOOP_NOARG. But that seems like extra work for no
> real benefit.
>
> Signed-off-by: Jeff King <peff@peff.net>
> ---
>  parse-options-cb.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/parse-options-cb.c b/parse-options-cb.c
> index a24521dee0..bdc7fae497 100644
> --- a/parse-options-cb.c
> +++ b/parse-options-cb.c
> @@ -227,7 +227,9 @@ int parse_opt_strvec(const struct option *opt, const char *arg, int unset)
>  	return 0;
>  }
>  
> -int parse_opt_noop_cb(const struct option *opt, const char *arg, int unset)
> +int parse_opt_noop_cb(const struct option *opt UNUSED,
> +		      const char *arg UNUSED,
> +		      int unset UNUSED)
>  {
>  	return 0;
>  }