From e62b1fbe664234a203e6d2e1d30bc83d4df21bc2 Mon Sep 17 00:00:00 2001
From: Krad <kradchen123@163.com>
Date: Fri, 21 Jan 2022 13:32:43 +0800
Subject: [PATCH] Fix disk usage query bug( out of array bound)

---
 src/json/cmdhelper.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/json/cmdhelper.cpp b/src/json/cmdhelper.cpp
index aba41a5..69b1b6c 100644
--- a/src/json/cmdhelper.cpp
+++ b/src/json/cmdhelper.cpp
@@ -62,6 +62,7 @@ bool cmdHelper::getDiskUsed(double& used)
 	{
 		QString qstr = QString::fromStdString(str);
 		QStringList strList = qstr.split('\n');
+		if (strList.length()<3) return false;
 		strList[1].replace(QRegExp("[\\s]+"), " ");
 		QStringList strList2 = strList[1].split(" ");
 		int pos = strList2[2].lastIndexOf(QChar('G'));