From ee3bcd0190d8a0df91186becb4c71a18639e888e Mon Sep 17 00:00:00 2001
From: Paul Duncan <pabs@pablotron.org>
Date: Fri, 12 Aug 2016 13:50:06 -0400
Subject: Extra#to_s fix

---
 src/zip.cr | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/zip.cr b/src/zip.cr
index dff3014..6660fc8 100644
--- a/src/zip.cr
+++ b/src/zip.cr
@@ -446,7 +446,7 @@ module Zip
       def to_s(io) : UInt16
         @code.to_u16.to_io(io, LE)
         @data.size.to_u16.to_io(io, LE)
-        @data.to_s(io)
+        @data.to_s(io) if @data.size > 0
 
         # return number of bytes written
         bytes_needed
-- 
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