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Date:   Tue, 26 May 2020 00:20:08 +0200
From:   Daniel Borkmann <>
To:     Quentin Monnet <>,
        Alexei Starovoitov <>
Subject: Re: [PATCH bpf-next] tools: bpftool: clean subcommand help messages

On 5/23/20 3:07 AM, Quentin Monnet wrote:
> This is a clean-up for the formatting of the do_help functions for
> bpftool's subcommands. The following fixes are included:
> - Do not use argv[-2] for "iter" help message, as the help is shown by
>    default if no "iter" action is selected, resulting in messages looking
>    like "./bpftool bpftool pin...".
> - Do not print unused HELP_SPEC_PROGRAM in help message for "bpftool
>    link".
> - Andrii used argument indexing to avoid having multiple occurrences of
>    bin_name and argv[-2] in the fprintf() for the help message, for
>    "bpftool gen" and "bpftool link". Let's reuse this for all other help
>    functions. We can remove up to thirty arguments for the "bpftool map"
>    help message.
> - Harmonise all functions, e.g. use ending quotes-comma on a separate
>    line.
> Signed-off-by: Quentin Monnet <>

Applied, thanks!

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