/* Core of implementation of fstat and stat for native Windows.
- Copyright (C) 2017-2020 Free Software Foundation, Inc.
+ Copyright (C) 2017-2021 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#if defined _WIN32 && ! defined __CYGWIN__
-/* Ensure that <windows.h> defines FILE_ID_INFO. */
-#if !defined _WIN32_WINNT || (_WIN32_WINNT < _WIN32_WINNT_WIN8)
-# undef _WIN32_WINNT
-# define _WIN32_WINNT _WIN32_WINNT_WIN8
+/* Attempt to make <windows.h> define FILE_ID_INFO.
+ But ensure that the redefinition of _WIN32_WINNT does not make us assume
+ Windows Vista or newer when building for an older version of Windows. */
+#if HAVE_SDKDDKVER_H
+# include <sdkddkver.h>
+# if _WIN32_WINNT >= _WIN32_WINNT_VISTA
+# define WIN32_ASSUME_VISTA 1
+# else
+# define WIN32_ASSUME_VISTA 0
+# endif
+# if !defined _WIN32_WINNT || (_WIN32_WINNT < _WIN32_WINNT_WIN8)
+# undef _WIN32_WINNT
+# define _WIN32_WINNT _WIN32_WINNT_WIN8
+# endif
+#else
+# define WIN32_ASSUME_VISTA (_WIN32_WINNT >= _WIN32_WINNT_VISTA)
#endif
#include <sys/types.h>
#undef GetFinalPathNameByHandle
#define GetFinalPathNameByHandle GetFinalPathNameByHandleA
-#if !(_WIN32_WINNT >= _WIN32_WINNT_VISTA)
+/* Older mingw headers do not define VOLUME_NAME_NONE. */
+#ifndef VOLUME_NAME_NONE
+# define VOLUME_NAME_NONE 4
+#endif
+
+#if !WIN32_ASSUME_VISTA
/* Avoid warnings from gcc -Wcast-function-type. */
# define GetProcAddress \
DWORD type = GetFileType (h);
if (type == FILE_TYPE_DISK)
{
-#if !(_WIN32_WINNT >= _WIN32_WINNT_VISTA)
+#if !WIN32_ASSUME_VISTA
if (!initialized)
initialize ();
#endif