From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter =?utf-8?q?M=C3=BCller?= <peter.mueller@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: Mon, 14 Feb 2022 21:07:07 +0000
Message-ID: <e0235a55-dc7d-0cdb-342e-bfb101df4d06@ipfire.org>
In-Reply-To: <20220214184257.2406-11-stefan.schantl@ipfire.org>
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Ugly, but I see why this is necessary.

Reviewed-by: Peter Müller <peter.mueller(a)ipfire.org>

> Signed-off-by: Stefan Schantl <stefan.schantl(a)ipfire.org>
> ---
>  config/firewall/rules.pl | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> 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    = $fwoptions{"FWPOLICY2"};
>  my $POLICY_FORWARD_ACTION  = $fwoptions{"FWPOLICY"};
>  my $POLICY_OUTPUT_ACTION   = $fwoptions{"FWPOLICY1"};
>  
> +#workaround to suppress a warning when a variable is used only once
> +my @dummy = ( $Location::Functions::ipset_db_directory );
> +undef (@dummy);
> +
>  # MAIN
>  &main();
>  

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