linux-kernel - Re: [PATCH] checkpatch: ignore CamelCase for inttypes.h format specifiers

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Date:   Wed, 10 Jun 2020 14:09:53 -0700
From:   Joe Perches <joe@...ches.com>
To:     Scott Branden <scott.branden@...adcom.com>,
        Andy Whitcroft <apw@...onical.com>
Cc:     BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] checkpatch: ignore CamelCase for inttypes.h format
 specifiers

On Wed, 2020-06-10 at 13:33 -0700, Scott Branden wrote:
> Ignore CamelCase for inttypes.h for fixed integer types format specifiers.
> (ex. PRIx32 for uint32_t).

Personally, I don't like those.

> Signed-off-by: Scott Branden <scott.branden@...adcom.com>
> ---
>  scripts/checkpatch.pl | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 899e380782c0..9fa90457b270 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -5157,6 +5157,8 @@ sub process {
>  			    $var =~ /[A-Z][a-z]|[a-z][A-Z]/ &&
>  #Ignore Page<foo> variants
>  			    $var !~ /^(?:Clear|Set|TestClear|TestSet|)Page[A-Z]/ &&
> +#Ignore inttypes.h scanf/printf format specifiers for fixed size integer types
> +			    $var !~ /^(?:PRI|SCN)[dxoui](8|16|32|64|PTR|MAX)?$/ &&
>  #Ignore SI style variants like nS, mV and dB
>  #(ie: max_uV, regulator_min_uA_show, RANGE_mA_VALUE)
>  			    $var !~ /^(?:[a-z0-9_]*|[A-Z0-9_]*)?_?[a-z][A-Z](?:_[a-z0-9_]+|_[A-Z0-9_]+)?$/ &&