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From: Joe Perches <joe@perches.com>
To: Miles Chen <miles.chen@mediatek.com>, Andy Whitcroft <apw@canonical.com>
Cc: linux-kernel@vger.kernel.org, wsd_upstream@mediatek.com,
	linux-mediatek@lists.infradead.org
Subject: Re: [PATCH] checkpatch: support function pointers for unnamed function definition arguments
Date: Wed, 13 Sep 2017 22:33:41 -0700	[thread overview]
Message-ID: <1505367221.8969.25.camel@perches.com> (raw)
In-Reply-To: <1505358082-12997-1-git-send-email-miles.chen@mediatek.com>

On Thu, 2017-09-14 at 11:01 +0800, Miles Chen wrote:
> Current unnamed function definition argument does not include function
> pointer cases and it reports warnings like:
> 
> WARNING: function definition argument 'void' should also have an identifier name

> 
> Support function pointers for unnamed function arguments.
> 
> Signed-off-by: Miles Chen <miles.chen@mediatek.com>
> ---
>  scripts/checkpatch.pl | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index dd2c262..dc6da15 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -5957,7 +5957,7 @@ sub process {
>  
>  # check for function declarations that have arguments without identifier names
>  		if (defined $stat &&
> -		    $stat =~ /^.\s*(?:extern\s+)?$Type\s*$Ident\s*\(\s*([^{]+)\s*\)\s*;/s &&
> +		    $stat =~ /^.\s*(?:extern\s+)?$Type\s*\(?\s*\*?\s*$Ident\s*\)\s*\(\s*([^{]+)\s*\)\s*;/s &&

Better would be to specifically support function pointers like:
---
 scripts/checkpatch.pl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 05dd72693621..7289c1eb0b19 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -5957,7 +5957,7 @@ sub process {
 
 # check for function declarations that have arguments without identifier names
 		if (defined $stat &&
-		    $stat =~ /^.\s*(?:extern\s+)?$Type\s*$Ident\s*\(\s*([^{]+)\s*\)\s*;/s &&
+		    $stat =~ /^.\s*(?:extern\s+)?$Type\s*(?:$Ident|\(\s*\*\s*$Ident\s*\))\s*\(\s*([^{]+)\s*\)\s*;/s &&
 		    $1 ne "void") {
 			my $args = trim($1);
 			while ($args =~ m/\s*($Type\s*(?:$Ident|\(\s*\*\s*$Ident?\s*\)\s*$balanced_parens)?)/g) {

  reply	other threads:[~2017-09-14  5:33 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-14  3:01 [PATCH] checkpatch: support function pointers for unnamed function definition arguments Miles Chen
2017-09-14  5:33 ` Joe Perches [this message]
2017-09-14 10:09   ` Miles Chen

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