linux-kernel - Re: [PATCH] clocksource: Remove unnecessary size argument when calling strscpy()

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Message-ID: <87wmctw775.ffs@tglx>
Date: Thu, 13 Mar 2025 11:33:50 +0100
From: Thomas Gleixner <tglx@...utronix.de>
To: Thorsten Blum <thorsten.blum@...ux.dev>, John Stultz
 <jstultz@...gle.com>, Stephen Boyd <sboyd@...nel.org>
Cc: linux-kernel@...r.kernel.org, Kees Cook <kees@...nel.org>, Peter
 Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH] clocksource: Remove unnecessary size argument when
 calling strscpy()

On Tue, Mar 11 2025 at 12:06, Thorsten Blum wrote:

> The size parameter is optional and strscpy() automatically determines
> the length of the destination buffer using sizeof() if the argument is
> omitted.

If, and _only_ if the destination argument is a fixed length array.

That's the case here, but without that distinction the above sentence is
misleading at best.

Thanks,

        tglx