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

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Message-ID: <6de39a910607280934t5c264b20w38c1f52c978b4e15@mail.gmail.com>
Date:	Fri, 28 Jul 2006 09:34:11 -0700
From:	"Handle X" <xhandle@...il.com>
To:	"Björn Steinbrink" <B.Steinbrink@....de>,
	"Alexey Dobriyan" <adobriyan@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC] #define rwxr_xr_x 0755

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.

Regards,
Om.
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