From e2ee551e3b67afbd504e208b4389c55b6e9f4f57 Mon Sep 17 00:00:00 2001
From: Eli Zaretskii <eliz@gnu.org>
Date: Thu, 29 Jul 1999 11:01:50 +0000
Subject: [PATCH] (getdefdir): Don't return failure indication when _fixpath
 sets errno to ENOSYS.

---
 src/msdos.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/msdos.c b/src/msdos.c
index 24edf9c59dc..d43ce1ac798 100644
--- a/src/msdos.c
+++ b/src/msdos.c
@@ -2831,7 +2831,9 @@ getdefdir (drive, dst)
   *p = '\0';
   errno = 0;
   _fixpath (in_path, dst);
-  if (errno)
+  /* _fixpath can set errno to ENOSYS on non-LFN systems because
+     it queries the LFN support, so ignore that error.  */
+  if ((errno && errno != ENOSYS) || *dst == '\0')
     return 0;
 
   msdos_downcase_filename (dst);
-- 
2.39.5