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Message-ID: <Pine.LNX.4.64.1010181957520.15744@ask.diku.dk>
Date: Mon, 18 Oct 2010 19:58:23 +0200 (CEST)
From: Julia Lawall <julia@...u.dk>
To: Joe Perches <joe@...ches.com>
Cc: walter harms <wharms@....de>, devel@...verdev.osuosl.org,
gregkh@...e.de, kernel-janitors@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] drivers/staging/cx25821: Use kstrdup
On Mon, 18 Oct 2010, Joe Perches wrote:
> On Mon, 2010-10-18 at 19:44 +0200, Julia Lawall wrote:
> > On Mon, 18 Oct 2010, Joe Perches wrote:
> >
> > > Perhaps it's more readable code to recheck the
> > > field name flag and introduce a temporary
> > > char *fname so the slightly unusual reuse of
> > > field = kstrdup(field, GFP)
> > > becomes
> > > field = kstrdup(fname, GFP)
> >
> > Before I had a local variable filename. I preferred that because I felt
> > uneasy about putting both statically and dynamically allocated memory in
> > the same field. But it does mean adding a new local variable.
>
> I think readability is better using a temporary.
>
> > I'm not sure to understand "recheck the field name flag", though.
>
> Sorry, poor wording. I meant using this style:
>
> if (field && *field)
> foo
> else if (field)
> bar
> else
> baz
>
> instead of:
>
> if (field) {
> if (*field)
> foo
> else
> bar
> } else
> baz
OK :) I'll do that.
julia
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