Piotr Caban : msvcrt: Correctly set _stat64.st_dev fields in _wstat64.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 513eb41f9a5f94f792b4eadedad38e95f3a43a59
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=513eb41f9a5f94f792b4eadedad38e95f3a43a59

Author: Piotr Caban <piotr at codeweavers.com>
Date:   Sun Mar 17 20:19:44 2019 +0100

msvcrt: Correctly set _stat64.st_dev fields in _wstat64.

Signed-off-by: Piotr Caban <piotr at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/msvcrt/file.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dlls/msvcrt/file.c b/dlls/msvcrt/file.c
index e06bb00..af769dc 100644
--- a/dlls/msvcrt/file.c
+++ b/dlls/msvcrt/file.c
@@ -3157,8 +3157,8 @@ int CDECL MSVCRT__wstat64(const MSVCRT_wchar_t* path, struct MSVCRT__stat64 * bu
   memset(buf,0,sizeof(struct MSVCRT__stat64));
 
   /* FIXME: rdev isn't drive num, despite what the docs says-what is it? */
-  if (MSVCRT_iswalpha(*path))
-    buf->st_dev = buf->st_rdev = toupperW(*path - 'A'); /* drive num */
+  if (MSVCRT_iswalpha(*path) && path[1] == ':')
+    buf->st_dev = buf->st_rdev = toupperW(*path) - 'A'; /* drive num */
   else
     buf->st_dev = buf->st_rdev = MSVCRT__getdrive() - 1;