linux-hardening - Re: [PATCH v3] x86/platform/uv: refactor deprecated strcpy and strncpy

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Date:   Wed, 6 Sep 2023 16:30:15 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Hans de Goede <hdegoede@...hat.com>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Justin Stitt <justinstitt@...gle.com>,
        Steve Wahl <steve.wahl@....com>,
        Mike Travis <mike.travis@....com>,
        Dimitri Sivanich <dimitri.sivanich@....com>,
        Russ Anderson <russ.anderson@....com>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>,
        platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: Re: [PATCH v3] x86/platform/uv: refactor deprecated strcpy and strncpy

On Wed, Sep 6, 2023 at 3:16 PM Hans de Goede <hdegoede@...hat.com> wrote:
> On 9/6/23 14:10, Ingo Molnar wrote:

>         strscpy(arg, val, strnchrnul(val, sizeof(arg)-1, '\n') - val + 1);

If you want to make it short and more readable, you can use

  strscpy(arg, val, sizeof(arg));
  strreplace(arg, '\n', '\0');

-- 
With Best Regards,
Andy Shevchenko