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-rw-r--r--winsup/cygwin/fhandler_disk_file.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/winsup/cygwin/fhandler_disk_file.cc b/winsup/cygwin/fhandler_disk_file.cc
index 51c4972ae..5b684e5e7 100644
--- a/winsup/cygwin/fhandler_disk_file.cc
+++ b/winsup/cygwin/fhandler_disk_file.cc
@@ -956,7 +956,7 @@ fhandler_base::open_fs (int flags, mode_t mode)
/* Unfortunately NT allows to open directories for writing, but that's
disallowed according to SUSv3. */
- if (pc.isdir () && (flags & (O_WRONLY | O_RDWR)))
+ if (pc.isdir () && (flags & O_ACCMODE) != O_RDONLY)
{
set_errno (EISDIR);
return 0;