From b12fdcf018df75733f594839ac66ca7c4f89018f Mon Sep 17 00:00:00 2001
From: Vladimir Golovnev <glassez@yandex.ru>
Date: Tue, 20 Dec 2022 07:14:31 +0300
Subject: [PATCH] Correctly detect drive letter in path

PR #18258.
Closes #18224.
---
 src/base/path.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/base/path.cpp b/src/base/path.cpp
index 51bea7694..0eef0fa20 100644
--- a/src/base/path.cpp
+++ b/src/base/path.cpp
@@ -142,7 +142,7 @@ Path Path::rootItem() const
 
 #ifdef Q_OS_WIN
     // should be `c:/` instead of `c:`
-    if (m_pathStr.at(slashIndex - 1) == u':')
+    if ((slashIndex == 2) && hasDriveLetter(m_pathStr))
         return createUnchecked(m_pathStr.left(slashIndex + 1));
 #endif
     return createUnchecked(m_pathStr.left(slashIndex));