From 951209331aba72fcb467d4dea04e1a542635a1c3 Mon Sep 17 00:00:00 2001
From: Robin Stuart <rstuart114@gmail.com>
Date: Thu, 5 Jul 2018 21:22:27 +0100
Subject: [PATCH] Set max coupon code length to 70

Fixes #112 reported by Daniel Gredler
---
 backend/gs1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/backend/gs1.c b/backend/gs1.c
index 9d196342..d1de74bf 100644
--- a/backend/gs1.c
+++ b/backend/gs1.c
@@ -439,7 +439,7 @@ int gs1_verify(struct zint_symbol *symbol, const unsigned char source[], const s
             case 8110: // Coupon code
             case 8112: // Paperless coupon code
             case 8200: // PRODUCT URL
-                if (data_length[i] > 34) {
+                if (data_length[i] > 70) {
                     error_latch = 1;
                 } else {
                     error_latch = 0;