From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Tremer <michael.tremer@ipfire.org>
To: development@lists.ipfire.org
Subject: Re: [PATCH 11/12] rules.pl: Add workaround to hide a warning about an
 only once used variable.
Date: Tue, 15 Feb 2022 12:37:14 +0000
Message-ID: <20C1D9AA-4DDE-4CDB-8D1A-A396214957DA@ipfire.org>
In-Reply-To: <20220214184257.2406-11-stefan.schantl@ipfire.org>
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Is it not possible to disable this kind of warning entirely?

It is a stupid idea.

Does declaring the variable as some sort of constant help?

-Michael

> On 14 Feb 2022, at 18:42, Stefan Schantl <stefan.schantl(a)ipfire.org> wrot=
e:
>=20
> Signed-off-by: Stefan Schantl <stefan.schantl(a)ipfire.org>
> ---
> config/firewall/rules.pl | 4 ++++
> 1 file changed, 4 insertions(+)
>=20
> diff --git a/config/firewall/rules.pl b/config/firewall/rules.pl
> index 162781f7a..c0878059a 100644
> --- a/config/firewall/rules.pl
> +++ b/config/firewall/rules.pl
> @@ -109,6 +109,10 @@ my $POLICY_INPUT_ACTION    =3D $fwoptions{"FWPOLICY2"};
> my $POLICY_FORWARD_ACTION  =3D $fwoptions{"FWPOLICY"};
> my $POLICY_OUTPUT_ACTION   =3D $fwoptions{"FWPOLICY1"};
>=20
> +#workaround to suppress a warning when a variable is used only once
> +my @dummy =3D ( $Location::Functions::ipset_db_directory );
> +undef (@dummy);
> +
> # MAIN
> &main();
>=20
> --=20
> 2.30.2
>=20


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