From c691fc4657905bf15964aa36b459544d0a81d3c7 Mon Sep 17 00:00:00 2001
From: Helmut Grohne <helmut@subdivi.de>
Date: Fri, 9 Dec 2016 21:14:16 +0100
Subject: fix adding characters at the end of the window

When the number of columns wasn't exactly 2 (the default), adding a
character at the end of the window could fail at scrolling thus yielding
corrupted output.
---
 tcvt.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'tcvt.py')

diff --git a/tcvt.py b/tcvt.py
index 3831a83..1b3bbfd 100755
--- a/tcvt.py
+++ b/tcvt.py
@@ -168,7 +168,7 @@ class Columns:
     def addch(self, char):
         if self.xpos == self.columnwidth - 1:
             self.curwin.insch(self.curypos, self.curxpos, char, self.attrs)
-            if self.ypos + 1 == 2 * self.height:
+            if self.ypos + 1 == self.numcolumns * self.height:
                 self.scroll()
                 self.move(self.ypos, 0)
             else:
-- 
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