From cbb14cd1481d58d863ab411f83140d132ff67e37 Mon Sep 17 00:00:00 2001
From: Alan Collins <alanollv@gmail.com>
Date: Fri, 28 Jan 2022 17:02:13 -0600
Subject: [PATCH] Adjusted the Windows LongPath support check for valid segment
lengths
Closes #2630
(cherry picked from commit 52c6bc5549ab998ccc018d138c55f8f924eed6d3)
---
src/NzbDrone.Common/Disk/LongPathSupport.cs | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/NzbDrone.Common/Disk/LongPathSupport.cs b/src/NzbDrone.Common/Disk/LongPathSupport.cs
index f971175a6..e001c96aa 100644
--- a/src/NzbDrone.Common/Disk/LongPathSupport.cs
+++ b/src/NzbDrone.Common/Disk/LongPathSupport.cs
@@ -31,7 +31,10 @@ namespace NzbDrone.Common.Disk
{
try
{
- Path.GetDirectoryName($@"C:\{new string('a', 300)}\ab");
+ // Windows paths can be up to 32,767 characters long, but each component of the path must be less than 255.
+ // If the OS does not have Long Path enabled, then the following will throw an exception
+ // ref: https://docs.microsoft.com/en-us/windows/win32/fileio/maximum-file-path-limitation
+ Path.GetDirectoryName($@"C:\{new string('a', 254)}\{new string('a', 254)}");
MAX_PATH = 4096;
}
catch