From: Eric Wong <e@80x24.org>
Date: Sun, 27 Jan 2019 05:09:22 +0000 (+0000)
Subject: wwwhighlight: read_in_full returns undef on errors
X-Git-Tag: v1.2.0~397^2~14
X-Git-Url: http://www.git.stargrave.org/?a=commitdiff_plain;h=0a1fa18237d79b65fbfd9cbe337e72cddd0c6f3d;p=public-inbox.git

wwwhighlight: read_in_full returns undef on errors

The return value of "print" is not undef for Perl IO::Handle.
---

diff --git a/lib/PublicInbox/WwwHighlight.pm b/lib/PublicInbox/WwwHighlight.pm
index 3d6ca03b..09fc48ab 100644
--- a/lib/PublicInbox/WwwHighlight.pm
+++ b/lib/PublicInbox/WwwHighlight.pm
@@ -52,6 +52,7 @@ sub read_in_full ($) {
 		$off += $r;
 	}
 	$env->{'psgi.errors'}->print("input read error: $!\n");
+	undef;
 }
 
 # entry point for PSGI