linux-kernel - Re: Coding style RFC: convert "for (i=0;i<ARRAY_SIZE(array);i++)" to "array_for

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Message-Id: <1171364868.21261.20.camel@tara.firmix.at>
Date:	Tue, 13 Feb 2007 12:07:48 +0100
From:	Bernd Petrovitsch <bernd@...mix.at>
To:	Nick Piggin <nickpiggin@...oo.com.au>
Cc:	Joe Perches <joe@...ches.com>,
	Ben Nizette <ben.nizette@...et.net.au>,
	linux-kernel@...r.kernel.org
Subject: Re: Coding style RFC: convert "for (i=0;i<ARRAY_SIZE(array);i++)"
	to "array_for_each(index, array)"

On Tue, 2007-02-13 at 21:54 +1100, Nick Piggin wrote:
> Bernd Petrovitsch wrote:
> > On Tue, 2007-02-13 at 18:42 +1100, Nick Piggin wrote:
> > 
> >>Joe Perches wrote:
> > 
> > [...]
> > 
> >>>perhaps:
> >>>
> >>>#define array_for_each(element, array) \
> >>>	for ((element) = (array); \
> >>>	     (element) < ((array) + ARRAY_SIZE((array))); \
> >>>	     (element)++)
> >>
> >>If you're going for consistency, then shouldn't this be
> >>array_for_each_entry()?
> > 
> > 
> > That depends on the decision between consistency to array_for_each_index
> > or consistency to list_for_each.
> 
> I don't follow.

Yes, thinko on my side. Sorry.

> list_for_each gives you a list_head.
> list_for_each_entry gives you a pointer to an entry in the list, which
> is equivalent to the above loop which gives a pointer to an entry in the
> array. Accordingly, it should be called array_for_each_entry. What sort
> of logic leads to another conclusion?

The wrong logic that list_for_each gives an entry. Sorry f.t. confusion.

	Bernd
-- 
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