From b4749bfb8480ed5c9e6151c0c899027cdc20c22b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Pazdiora?= <tomas.pazdiora@gmail.com>
Date: Tue, 5 Jan 2021 19:34:31 +0100
Subject: bugfix

---
 driver/driver.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/driver/driver.cpp b/driver/driver.cpp
index 1cdfadf..8b72562 100644
--- a/driver/driver.cpp
+++ b/driver/driver.cpp
@@ -56,7 +56,8 @@ Arguments:
 
     bool devMatch = true;
     if (global.args.device_hw_id[0] != 0) {
-        devMatch = wcsncmp(devExt->hwid, global.args.device_hw_id, sizeof(global.args.device_hw_id)) == 0;
+        size_t max_cnt = sizeof(global.args.device_hw_id) / sizeof(global.args.device_hw_id[0]);
+        devMatch = wcsncmp(devExt->hwid, global.args.device_hw_id, max_cnt) == 0;
     }
 
     if (!(InputDataStart->Flags & MOUSE_MOVE_ABSOLUTE)) {
-- 
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