linux-kernel - Re: [v3] Coccinelle: suggest replacing strncpy+truncation by strscpy

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Message-ID: <154c8cbb-c396-d3b6-c53c-f28b4e44c0ed@users.sourceforge.net>
Date:   Fri, 20 Jul 2018 13:00:09 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Julia Lawall <julia.lawall@...6.fr>,
        kernel-janitors@...r.kernel.org
Cc:     cocci@...teme.lip6.fr, linux-kernel@...r.kernel.org,
        Dominique Martinet <asmadeus@...ewreck.org>,
        Gilles Muller <Gilles.Muller@...6.fr>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nicolas Palix <nicolas.palix@...g.fr>,
        Ville Syrjälä <ville.syrjala@...ux.intel.com>
Subject: Re: [v3] Coccinelle: suggest replacing strncpy+truncation by strscpy

> The problem is that I don't know if the script is correct

Will the clarification of such a concern evolve into another interesting
software development adventure?

> - I'm not familiar with these string functions.

How are the chances to improve the understanding of affected programming
interfaces anyhow?
https://elixir.bootlin.com/linux/v4.18-rc5/source/lib/string.c#L154
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/lib/string.c?id=28c20cc73b9cc4288c86c2a3fc62af4087de4b19#n154

Regards,
Markus