linux-kernel - Re: [PATCH] defines modified to match the 80-char rule

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Date:	Fri, 03 Jul 2015 09:10:32 -0700
From:	Joe Perches <joe@...ches.com>
To:	Krzysztof Hałasa <khalasa@...p.pl>
Cc:	Mario Bambagini <mario.bambagini@...il.com>,
	linux-kernel@...r.kernel.org,
	driverdev-devel@...uxdriverproject.org
Subject: Re: [PATCH] defines modified to match the 80-char rule

On Fri, 2015-07-03 at 12:58 +0200, Krzysztof Hałasa wrote:
> Joe Perches <joe@...ches.com> writes:
> 
> > -#define LCONSOLE(mask, format, ...) CDEBUG(D_CONSOLE | (mask), format, ## __VA_ARGS__)
> > -#define LCONSOLE_INFO(format, ...)  CDEBUG_LIMIT(D_CONSOLE, format, ## __VA_ARGS__)
> > -#define LCONSOLE_WARN(format, ...)  CDEBUG_LIMIT(D_CONSOLE | D_WARNING, format, ## __VA_ARGS__)
> > -#define LCONSOLE_ERROR_MSG(errnum, format, ...) CDEBUG_LIMIT(D_CONSOLE | D_ERROR, \
> > -			   "%x-%x: " format, errnum, LERRCHKSUM(errnum), ## __VA_ARGS__)
> > -#define LCONSOLE_ERROR(format, ...) LCONSOLE_ERROR_MSG(0x00, format, ## __VA_ARGS__)
> > +#define LCONSOLE(mask, fmt, ...)					\
> > +	CDEBUG(D_CONSOLE | (mask), fmt, ##__VA_ARGS__)
> > +#define LCONSOLE_INFO(fmt, ...)						\
> > +	CDEBUG_LIMIT(D_CONSOLE, fmt, ##__VA_ARGS__)
> > +#define LCONSOLE_WARN(fmt, ...)						\
> > +	CDEBUG_LIMIT(D_CONSOLE | D_WARNING, fmt, ##__VA_ARGS__)
> > +#define LCONSOLE_ERROR_MSG(errnum, fmt, ...)				\
> > +	CDEBUG_LIMIT(D_CONSOLE | D_ERROR, "%x-%x: " fmt,		\
> > +		     errnum, LERRCHKSUM(errnum), ##__VA_ARGS__)
> 
> I don't find it better, actually I think it's much harder to read.
> 
> Maybe that's just me.
> 
> Call me extremist, but I think I could even like the following :-)
> 
> #define   CWARN(format, ...)	CDEBUG_LIMIT(D_WARNING,  format, ## __VA_ARGS__)
> #define  CERROR(format, ...)	CDEBUG_LIMIT(D_ERROR,    format, ## __VA_ARGS__)
> #define CNETERR(format, ...)	CDEBUG_LIMIT(D_NETERROR, format, ## __VA_ARGS__)
> #define  CEMERG(format, ...)	CDEBUG_LIMIT(D_EMERG,    format, ## __VA_ARGS__)

Nah, you're not an extremist, you're just preferring narrowly
localized readability over global consistency.

That's fine and all, until you come up to LCONSOLE_ERROR_MSG
type use which blows the nice old formatting up.

So what I suggested is just a simple consistency thing.


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