From 785d9d9521fec575447c9530f0d6c6e8e54f3825 Mon Sep 17 00:00:00 2001
From: Vaxry <vaxry@vaxry.net>
Date: Mon, 8 Apr 2024 15:27:08 +0100
Subject: [PATCH] config: verify string length in wrv2 before calling back

ref #5431
---
 src/config/ConfigManager.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/config/ConfigManager.cpp b/src/config/ConfigManager.cpp
index f3fd9b7f..2eafc892 100644
--- a/src/config/ConfigManager.cpp
+++ b/src/config/ConfigManager.cpp
@@ -2084,7 +2084,7 @@ std::optional<std::string> CConfigManager::handleWindowRuleV2(const std::string&
 
         result = removeBeginEndSpacesTabs(result);
 
-        if (result.back() == ',')
+        if (!result.empty() && result.back() == ',')
             result.pop_back();
 
         return result;