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From: Dwaipayan Ray <dwaipayanray1@gmail.com>
To: Aditya <yashsri421@gmail.com>
Cc: linux-kernel-mentees@lists.linuxfoundation.org
Subject: Re: [Linux-kernel-mentees] [PATCH] checkpatch: fix false positive for REPEATED_WORD warning
Date: Wed, 21 Oct 2020 18:29:04 +0530	[thread overview]
Message-ID: <CABJPP5CRkZKFaBjLLDmsaT=Tj19UwBUavB3sVRsRj23k0ncQ-A@mail.gmail.com> (raw)
In-Reply-To: <81e9cdec-d3c7-e5ba-0f2d-061fc0738385@gmail.com>

>  # check for repeated words separated by a single space
>                 if ($rawline =~ /^\+/ || $in_commit_log) {
> -                       while ($rawline =~ /\b($word_pattern) (?=($word_pattern))/g) {
> +                       # avoid repeating hex occurrences like 'ff ff fe 09 ...'

Hey,
Probably one more change you could do here:

> +                       while ($rawline !~ /(\b[0-9a-f]{2}( )+){4,}/ &&
> +                               $rawline =~ /\b($word_pattern) (?=($word_pattern))/g) {

The hex check is performed everytime a duplicate word is found
in the line. A line with multiple duplicate words will lead to
unnecessary re run of the hex check.

Example:

"This is is the the repeated word"
Two repeated words: 'is' and 'the', and two runs
of the hex check on the same line.


Probably move it here?
 +               if (($rawline =~ /^\+/ || $in_commit_log) &&
 +                    $rawline !~ /(\b[0-9a-f]{2}( )+){4,}/) {

Thanks,
Dwaipayan.
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  parent reply	other threads:[~2020-10-21 20:05 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-21  5:00 [Linux-kernel-mentees] [PATCH] checkpatch: fix false positive for REPEATED_WORD warning Aditya Srivastava
2020-10-21  5:15 ` Aditya
2020-10-21  6:12   ` Lukas Bulwahn
2020-10-21  8:20     ` Dwaipayan Ray
2020-10-21  8:35       ` Aditya
2020-10-21  8:52       ` Lukas Bulwahn
2020-10-21 12:09         ` Aditya
2020-10-21 12:53           ` Aditya
2020-10-21 12:58           ` Lukas Bulwahn
2020-10-21 12:59           ` Dwaipayan Ray [this message]
2020-10-21 14:44 Aditya Srivastava
2020-10-21 14:50 ` Lukas Bulwahn
2020-10-21 15:01 Aditya Srivastava
2020-10-21 15:08 ` Lukas Bulwahn
2020-10-21 15:18 ` Joe Perches
2020-10-21 15:28   ` Joe Perches
2020-10-21 16:50     ` Joe Perches
2020-10-21 16:59       ` Dwaipayan Ray
2020-10-21 17:17         ` Joe Perches
2020-10-21 17:55       ` Aditya
2020-10-21 18:05         ` Joe Perches
2020-10-21 18:25           ` Aditya
2020-10-21 19:12             ` Lukas Bulwahn
2020-10-22 14:21               ` Aditya
2020-10-22 14:35                 ` Joe Perches
2020-10-21 19:10   ` Aditya
2020-10-21 19:26     ` Joe Perches
2020-10-21 20:36       ` Joe Perches

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