Re: [PATCH] scripts:checkpatch - correct the error message during check

[Joe Perches]

On Fri, 2015-10-30 at 12:56 +0000, Andy Whitcroft wrote:
> On Fri, Oct 30, 2015 at 04:55:04PM +0530, shailendra.v@xxxxxxxxxxx wrote:
> > From: Shailendra Verma <shailendra.v@xxxxxxxxxxx>
[]
> > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> > @@ -3169,21 +3169,21 @@ sub process {
> >  		}
> >  
> >  # check for global initialisers.
> > -		if ($line =~ /^\+$Type\s*$Ident(?:\s+$Modifier)*\s*=\s*(?:0|NULL|false)\s*;/) {
> > +		if ($line =~ /^\+$Type\s*$Ident(?:\s+$Modifier)*\s*=\s*(0x0|0|NULL|false)\s*;/) {
> >  			if (ERROR("GLOBAL_INITIALISERS",
> > -				  "do not initialise globals to 0 or NULL\n" .
> > +				  "do not initialise globals to $1\n" .
> >  				      $herecurr) &&
> >  			    $fix) {
> > -				$fixed[$fixlinenr] =~ s/(^.$Type\s*$Ident(?:\s+$Modifier)*)\s*=\s*(0|NULL|false)\s*;/$1;/;
> > +				$fixed[$fixlinenr] =~ s/(^.$Type\s*$Ident(?:\s+$Modifier)*)\s*=\s*(0x0|0|NULL|false)\s*;/$1;/;
> >  			}
> >  		}
> >  # check for static initialisers.
> > -		if ($line =~ /^\+.*\bstatic\s.*=\s*(0|NULL|false)\s*;/) {
> > +		if ($line =~ /^\+.*\bstatic\s.*=\s*(0x0|0|NULL|false)\s*;/) {
> >  			if (ERROR("INITIALISED_STATIC",
> > -				  "do not initialise statics to 0 or NULL\n" .
> > +				  "do not initialise statics to $1\n" .
> >  				      $herecurr) &&
> >  			    $fix) {
> > -				$fixed[$fixlinenr] =~ s/(\bstatic\s.*?)\s*=\s*(0|NULL|false)\s*;/$1;/;
> > +				$fixed[$fixlinenr] =~ s/(\bstatic\s.*?)\s*=\s*(0x0|0|NULL|false)\s*;/$1;/;
> >  			}
> >  		}
> 
> I guess that looks ok.  Joe you don't know of anyone relying on the form
> of the error do you (I do not)?

I do not.

If these are changed, perhaps making the tests
	"((?:0[xX]|)0+$Int_type?|NULL|false)"
might catch a couple more of these;



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