Origin: https://github.com/L1L1/cardpeek/pull/110
From: =?UTF-8?q?David=20Santamar=C3=ADa=20Rogado?= <howl.nsp@gmail.com>
Date: Sat, 8 Feb 2020 21:46:17 +0100
Subject: [PATCH 1/3] apdu.lua: convert to integer #atr output

Lua 5.3 changes the way behaves with floats and integers.
To maintain the same output as with Lua 5.2 convert #atr to integer.
This way cold ATR appears as for example 23 instead 23.0.

Signed-off-by: David Santamaría Rogado <howl.nsp@gmail.com>
---
 dot_cardpeek_dir/scripts/lib/apdu.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dot_cardpeek_dir/scripts/lib/apdu.lua b/dot_cardpeek_dir/scripts/lib/apdu.lua
index f139b60..87f1a5a 100644
--- a/dot_cardpeek_dir/scripts/lib/apdu.lua
+++ b/dot_cardpeek_dir/scripts/lib/apdu.lua
@@ -113,7 +113,7 @@ function card.tree_startup(title)
 
 	atrnode = mycard:append({ classname="atr",
 			          label="cold ATR",
-			  	  size=#atr,
+			  	  size=math.tointeger(#atr),
 				  val=atr })
 
 	if candidates then
