From 3b6f3b11bba79c713e11b497e0180ab106b11555 Mon Sep 17 00:00:00 2001
From: chklump <chklump@noreply.codeberg.org>
Date: Fri, 27 Aug 2021 14:04:06 +0200
Subject: [PATCH] Fix body_length overflow for long notifications.

The body_length field in the header is only one byte (byte 8). If it it is set to 256 it overflows to 0 wich results in a corrupt notification. So the maximum body length is 255.
---
 .../service/devices/zetime/ZeTimeDeviceSupport.java           | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/zetime/ZeTimeDeviceSupport.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/zetime/ZeTimeDeviceSupport.java
index 783bfb5875..be9b373732 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/zetime/ZeTimeDeviceSupport.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/service/devices/zetime/ZeTimeDeviceSupport.java
@@ -731,8 +731,8 @@ public class ZeTimeDeviceSupport extends AbstractBTLEDeviceSupport {
 
         int subject_length = 0;
         int body_length = notificationSpec.body.getBytes(StandardCharsets.UTF_8).length;
-        if (body_length > 256) {
-            body_length = 256;
+        if (body_length > 255) {
+            body_length = 255;
         }
         int notification_length = body_length;
         byte[] subject = null;