From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: X-Spam-Status: No, score=-4.2 required=3.0 tests=ALL_TRUSTED,AWL,BAYES_00, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, T_SCC_BODY_TEXT_LINE shortcircuit=no autolearn=ham autolearn_force=no version=3.4.6 Received: from localhost (dcvr.yhbt.net [127.0.0.1]) by dcvr.yhbt.net (Postfix) with ESMTP id 0C84C1F452 for ; Fri, 28 Apr 2023 09:43:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=80x24.org; s=selector1; t=1682675008; bh=+2WEgh4X0mnAYdJdiX1Vy0rkHyRZgnJWjywxAM9vqQI=; h=From:To:Subject:Date:From; b=wdxgNUMAkgMvfXi61ahehJHWAgEtGd6pkzVKAjDd2goPhk4WUwhVzAfpzDSPsHtlm 1SzHBI1j9y9Z9kCblCHW088AA7ugTZxDu8+b2lE3FUel6+GmiaU/nhXm5aTsbHGxye D8upiedFfGwDd4wVrXIj1+erOqBoCb4UJggmeJJE= From: Eric Wong To: meta@public-inbox.org Subject: [PATCH] content_digest_dbg: handle empty inputs Date: Fri, 28 Apr 2023 09:43:27 +0000 Message-ID: <20230428094327.1374316-1-e@80x24.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit List-Id: It's possible that we hit messages or attachments with empty bodies, so avoid doing a regexp match on an uninitialized variable. --- lib/PublicInbox/ContentDigestDbg.pm | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/PublicInbox/ContentDigestDbg.pm b/lib/PublicInbox/ContentDigestDbg.pm index 31d0f707..853624f1 100644 --- a/lib/PublicInbox/ContentDigestDbg.pm +++ b/lib/PublicInbox/ContentDigestDbg.pm @@ -11,7 +11,7 @@ sub new { bless [ PublicInbox::SHA->new(256), $_[1] ], __PACKAGE__ } sub add { $_[0]->[0]->add($_[1]); my @dbg = split(/^/sm, $_[1]); - if ($dbg[0] =~ /\A(To|Cc)\0/) { # fold excessively long lines + if (@dbg && $dbg[0] =~ /\A(To|Cc)\0/) { # fold excessively long lines @dbg = map { split(/,/s, $_) } @dbg; } print { $_[0]->[1] } Dumper(\@dbg) or die "print $!";