linux-kernel - Re: [PATCH v2 01/10] gpiolib: provide gpiochip_dup_line

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Message-ID: <ZWjNr6ae4VPTbuvP@smile.fi.intel.com>
Date:   Thu, 30 Nov 2023 20:00:15 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Bartosz Golaszewski <brgl@...ev.pl>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH v2 01/10] gpiolib: provide gpiochip_dup_line_label()

On Thu, Nov 30, 2023 at 06:48:06PM +0100, Bartosz Golaszewski wrote:
> On Thu, Nov 30, 2023 at 5:27 PM Andy Shevchenko
> <andriy.shevchenko@...ux.intel.com> wrote:
> > On Thu, Nov 30, 2023 at 02:46:21PM +0100, Bartosz Golaszewski wrote:

...

> > > +     char *cpy;
> >
> > So, why not naming it fully, i.e. "copy"?
> >
> 
> Ekhm... let me quote the BigPinguin :)
> 
> --
> 
> C is a Spartan language, and your naming conventions should follow suit.
> Unlike Modula-2 and Pascal programmers, C programmers do not use cute
> names like ThisVariableIsATemporaryCounter. A C programmer would call that
> variable ``tmp``, which is much easier to write, and not the least more
> difficult to understand.

In contrary the cpy is more difficult to understand.

`git grep -lw cpy` vs. `git grep -lw copy` suggests that my variant
is preferable (even excluding tools/ and Documentation/).

-- 
With Best Regards,
Andy Shevchenko