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

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Date:	Wed, 01 Jul 2015 09:59:33 +0200
From:	khalasa@...p.pl (Krzysztof Hałasa)
To:	linux-kernel@...r.kernel.org
Cc:	driverdev-devel@...uxdriverproject.org
Subject: Re: [PATCH] defines modified to match the 80-char rule

Mario Bambagini <mario.bambagini@...il.com> writes:

> Defines have been written in more than one line to match the 80-character
> rule. This error has been fixed 6 times in this file.
> The file is fully compliant with respect to the coding rules now.

Rules, maybe. But is it better, i.e., more readable?

> --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h
> +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_debug.h
> @@ -233,14 +233,20 @@ do {									\
>  #define CNETERR(format, a...)	CDEBUG_LIMIT(D_NETERROR, format, ## a)
>  #define CEMERG(format, ...)	CDEBUG_LIMIT(D_EMERG, format, ## __VA_ARGS__)
>  
> -#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, 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_EMERG(format, ...) CDEBUG(D_CONSOLE | D_EMERG, format, ## __VA_ARGS__)
> +#define LCONSOLE_EMERG(format, ...)					\
> +			CDEBUG(D_CONSOLE | D_EMERG, format, ## __VA_ARGS__)
>  
>  int libcfs_debug_msg(struct libcfs_debug_msg_data *msgdata,
>  			    const char *format1, ...)

... I don't think so. Perhaps if I wasn't using the bleading edge tech
132-column digital flat LCD screen, I would see this differently (Emacs
isn't perfect when displaying long lines on IBM monochrome display
adapter, even with the intelligent-long-lines-wrap package).
-- 
Krzysztof Halasa

Industrial Research Institute for Automation and Measurements PIAP
Al. Jerozolimskie 202, 02-486 Warsaw, Poland

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