From 809d680df91d492539126af9da0d5206fe350f61 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Steffen=20Sch=C3=BCmann?= <s.schuemann@pobox.com>
Date: Tue, 10 Nov 2020 08:34:21 +0100
Subject: [PATCH] refs #75, avoid messing with long namespaced path on windows

---
 include/ghc/filesystem.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/ghc/filesystem.hpp b/include/ghc/filesystem.hpp
index 82f6d84..d371bc0 100644
--- a/include/ghc/filesystem.hpp
+++ b/include/ghc/filesystem.hpp
@@ -2549,8 +2549,8 @@ GHC_INLINE path::impl_string_type path::native_impl() const
 {
     impl_string_type result;
     if (is_absolute() && _path.length() > MAX_PATH - 10) {
-        // expand long Windows filenames with marker
-        if (has_root_name() && _path[0] == '/') {
+        // expand absolute non namespaced long Windows filenames with marker
+        if (has_root_name() && _path[0] == '/' && _path[1] != '/') {
             result = "\\\\?\\" + _path.substr(1);
         }
         else {