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Date: Fri, 28 Jul 2006 00:54:56 -0400
From: "Albert Cahalan" <acahalan@gmail.com>
To: adobriyan@gmail.com, linux-kernel@vger.kernel.org,
       jsipek@fsl.cs.sunysb.edu, B.Steinbrink@gmx.de
Subject: Re: [RFC] #define rwxr_xr_x 0755
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Alexey Dobriyan writes:

> 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.

Damn right.

I'd be very happy to remove (or #ifndef __KERNEL__ as needed) the
dreadful S_FOO macros. I'd be much happier with plain old octal,
as is normally used for both syscalls and the chmod command.

(the non-octal nonsense was probably invented for porting
software to non-UNIX systems)

If you like the ls way though, you might as well add the file
type notation:  drwxr_xr_x, _r__r__r__, _rw_r__r__, etc.
That's not too bad. Plain octal is best though.