gitweb: fix error in sanitize when highlight is enabled
$1 becomes undef by internal regex, since it has no capture groups.
Match against accpetable control characters using index() instead of a regex.
Signed-off-by: Orgad Shaneh <orgads@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index b67972e..8d34d55 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -1538,7 +1538,7 @@
return undef unless defined $str;
$str = to_utf8($str);
- $str =~ s|([[:cntrl:]])|($1 =~ /[\t\n\r]/ ? $1 : quot_cec($1))|eg;
+ $str =~ s|([[:cntrl:]])|(index("\t\n\r", $1) != -1 ? $1 : quot_cec($1))|eg;
return $str;
}
