| Subject: | Negative repeat count does nothing at |
| Date: | Wed, 21 Sep 2016 08:15:52 +0200 |
| To: | bug-Term-VT102-Boundless [...] rt.cpan.org |
| From: | h.huzen [...] belastingdienst.nl |
Using Term-VT102-Boundless on z/OS-Unix System Services, after a perl
upgrade from 5.8.7 to 5.22.0, use of Term-VT102-Boundless produced warning
lines:
' Negative repeat count does nothing at ... '
It turns out that in Term::VT102::Boundless.pm at two places in the
_process_text sub (line 35 and 48) the repeat operator ('x') is used where
the repeat count could be negative. I corrected that in my copy by changing
the preceding if statement:
<pre>
33
34 #ORIGINAL: if ( length($row) - $x ) {
35 if ( length($row) < $x ) {
36 $row .= " " x ( $x - length($row) );
37 }
38
39 substr ( $row, $x - 1, length $text) = $text;
40
41 my $newcols = length $row;
42 $self->{'cols'} = $newcols if $newcols > $self->{'cols'
};
43 }
44
45 for my $row_attrs ( $self->{'scra'}[$y] ) {
46 $row_attrs = '' unless defined $row_attrs;
47
48 #ORIGINAL: if ( ( length($row_attrs) / 2 ) - $x ) {
49 if ( ( length($row_attrs) / 2 ) < $x ) {
50 $row_attrs .= Term::VT102::DEFAULT_ATTR_PACKED
x ( $x - ( length($row_attrs) / 2 ) );
51 }
52
</pre>
Kind Regards
Harrie Huzen
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