win32: fix permissions of read-only directory

Commit 15fcbd19c8 (win32: special case for devices files in stat(2))
caused write permissions on directories to respect the read-only
attribute.  This is incorrect:  the read-only attribute doesn't
apply to directories in the same way as to normal files.

Give directories write permission unconditionally, as before, though
respecting umask.

(GitHub issue #280)

1 files changed, 1 insertions, 1 deletions

diff --git a/win32/mingw.c b/win32/mingw.c
index 8216f2e53..a2a736d52 100644
--- a/win32/mingw.c
+++ b/win32/mingw.c
@@ -345,7 +345,7 @@ static inline mode_t file_attr_to_st_mode(DWORD attr)
 {
         mode_t fMode = S_IRUSR|S_IRGRP|S_IROTH;
         if (attr & FILE_ATTRIBUTE_DIRECTORY)
-                fMode |= S_IFDIR|S_IXUSR|S_IXGRP|S_IXOTH;
+                fMode |= (S_IFDIR|S_IRWXU|S_IRWXG|S_IRWXO) & ~(current_umask & 0022);
         else if (attr & FILE_ATTRIBUTE_DEVICE)
                 fMode |= S_IFCHR|S_IWUSR|S_IWGRP|S_IWOTH;
         else