linux-kernel - Re: [RFC] #define rwxr_xr

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Message-ID: <20060728164839.GA20974@filer.fsl.cs.sunysb.edu>
Date:	Fri, 28 Jul 2006 12:48:40 -0400
From:	Josef Sipek <jsipek@....cs.sunysb.edu>
To:	Handle X <xhandle@...il.com>
Cc:	Björn Steinbrink <B.Steinbrink@....de>,
	Alexey Dobriyan <adobriyan@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC] #define rwxr_xr_x 0755

On Fri, Jul 28, 2006 at 09:34:11AM -0700, Handle X wrote:
> On 7/27/06, Björn Steinbrink <B.Steinbrink@....de> wrote:
> >On 2006.07.28 00:59:11 +0400, Alexey Dobriyan wrote:
> >> Every time I try to decipher S_I* combos I cry in pain. Often I just
> >> refer to include/linux/stat.h defines to find out what mode it is
> >> because numbers are actually quickier to understand.
> >>
> >> Compare and contrast:
> >>
> >>       0644 vs S_IRUGO|S_IWUSR vs rw_r__r__
> >>
> >> I'd say #2 really sucks.
> >
> >IMHO #3 sucks more, it's not as easy to spot when glossing over the
> >code, the underscores make it quite ugly (think _r________) and it's
> >less "greppable". If I know that there's something that sets S_ISUID, I
> >can easily search for that, compare that to [_cpdbl]{1}[r_]{1}[w_]{1}s...
> I agree with Steinbink. But how about having macros like,
> S_I0700, S_I0070, S_I6444 ..etc. They combine visual appeal of octals,
> easy to grep, easy to decipher ...etc.

Even better!

Josef "Jeff" Sipek.

-- 
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like
that.
		- Linus Torvalds
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