From 1aefca1baaf385d15c014247d3a5e489d13a6450 Mon Sep 17 00:00:00 2001
From: lonkaars <loek@pipeframe.xyz>
Date: Fri, 8 Oct 2021 16:23:46 +0200
Subject: fix index out of bounds crash

---
 main/main.ino | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'main')

diff --git a/main/main.ino b/main/main.ino
index 67222ee..e084af1 100644
--- a/main/main.ino
+++ b/main/main.ino
@@ -1,5 +1,7 @@
 #include "constants.h"
 
+#define MIN(a, b) ((a) > (b) ? (b) : (a))
+
 /** BN (KB) -> PIN & PIN
  * 1   (0)  ->  D8 & D9
  * 2   (1)  ->  D8 & D7
@@ -215,7 +217,8 @@ void kb_onevent(kb_event ev) {
 
 			// voeg getal toe aan het einde van de code
 			code[codei] = num;
-			codei++; //TODO: fix array out of bounds crash
+			codei++;
+			codei = MIN(codei, MAX_CODE_LEN - 1);
 		}
 	}
 }
-- 
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