Re: [PATCH] checkpatch: suppress strscpy warnings for userspace tools

[Joe Perches]

On Sun, 2025-07-27 at 00:24 +0530, Suchit Karunakaran wrote:
> The checkpatch.pl script currently warns against the use of strcpy, 
> strlcpy, and strncpy, recommending strscpy as a safer alternative. 
> However, these warnings are also triggered for code under tools/ and 
> scripts/, which are userspace code where strscpy is not available. 
> This patch suppresses these warnings for files in tools/ and scripts/.
[]
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -7020,19 +7020,19 @@ sub process {
>  #		}
>  
>  # strcpy uses that should likely be strscpy
> -		if ($line =~ /\bstrcpy\s*\(/) {
> +		if ($line =~ /\bstrcpy\s*\(/ && $realfile !~ m@\btools/@ && $realfile !~ m@\bscripts/@) {

Maybe instead create a is_kernel or is_userspace function
and use that instead of the test

	if (!is_userspace($realfile) &&
	    $line =~ etc...

and 

are all <any_subdirectory>tools/ always userspace ?