linux-kernel - Re: [PATCH v4 01/10] string: provide strends()

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Message-ID: <CAHp75VeqaZ9BOYaEDdrShtZ=5o75HmeKBHv9dpiYpQLudCr2Ow@mail.gmail.com>
Date: Tue, 18 Nov 2025 12:13:03 +0200
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Bartosz Golaszewski <brgl@...ev.pl>
Cc: Kees Cook <kees@...nel.org>, Mika Westerberg <westeri@...nel.org>, 
	Dmitry Torokhov <dmitry.torokhov@...il.com>, Andrew Morton <akpm@...ux-foundation.org>, 
	Linus Walleij <linus.walleij@...aro.org>, Manivannan Sadhasivam <mani@...nel.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Saravana Kannan <saravanak@...gle.com>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	Andy Shevchenko <andy@...nel.org>, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, 
	Srinivas Kandagatla <srini@...nel.org>, Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, 
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, 
	Alexey Klimov <alexey.klimov@...aro.org>, Bjorn Andersson <andersson@...nel.org>, 
	Konrad Dybcio <konradybcio@...nel.org>, linux-hardening@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-sound@...r.kernel.org, 
	linux-arm-msm@...r.kernel.org, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v4 01/10] string: provide strends()

On Tue, Nov 18, 2025 at 11:47 AM Bartosz Golaszewski <brgl@...ev.pl> wrote:
> On Mon, Nov 17, 2025 at 9:33 PM Kees Cook <kees@...nel.org> wrote:
> > On Wed, Nov 12, 2025 at 02:55:30PM +0100, Bartosz Golaszewski wrote:

...

> > > + * True if @str ends with @suffix. False in all other cases.
> >
> > Maybe added "empty strings never match"?
>
> But they do, please see the test.

I also think that "" == "" (on the same page as Bart). Why should we
make it different?

-- 
With Best Regards,
Andy Shevchenko