From: Mischa POSLAWSKY <perl@shiar.org>
Date: Tue, 23 Jun 2015 14:08:18 +0000 (+0200)
Subject: keyboard: avoid warning for empty mode parameter
X-Git-Tag: v1.8~58
X-Git-Url: http://git.shiar.nl/sheet.git/commitdiff_plain/ec70841119a49ebeed4e14ce682f29d15e1ed27d

keyboard: avoid warning for empty mode parameter

Empty string splits to an empty list, resulting in a benign warning:
> Odd number of elements in hash assignment
---

diff --git a/Shiar_Sheet/Keyboard.pm b/Shiar_Sheet/Keyboard.pm
index 90ec4e8..2b3cc86 100644
--- a/Shiar_Sheet/Keyboard.pm
+++ b/Shiar_Sheet/Keyboard.pm
@@ -126,7 +126,7 @@ sub print_key {
 sub print_rows {
 	my $self = shift;
 	my %moderows = (
-		-DEFAULT => !@_ ? '' : split(/(?:\s*([^=\s]*)=\s*)/, shift),
+		-DEFAULT => !!@_ && $_[0] ne '' && split(/(?:\s*([^=\s]*)=\s*)/, shift),
 		# plus specific mode overrides prefixed by '='
 	);
 	my $defrows = shift || [2, 1, 0];