Re: [PATCH 1038/1285] Replace numeric parameter like 0444 with macro

From: Theodore Ts'o
Date: Tue Aug 02 2016 - 17:17:35 EST


On Tue, Aug 02, 2016 at 08:10:47PM +0800, Baole Ni wrote:
> I find that the developers often just specified the numeric value
> when calling a macro which is defined with a parameter for access permission.
> As we know, these numeric value for access permission have had the corresponding macro,
> and that using macro can improve the robustness and readability of the code,
> thus, I suggest replacing the numeric parameter with the macro.

I actually find using the macros significantly **decrease* the
readiability of the code. A quick glance at 0644 quickly tells you
what the permissions are. Parsing S_IRUSR | S_IRGRP | S_IROTH takes
longer, and is more error prone.

NACK.

- Ted