Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/src/dokan/utils.cc b/src/dokan/utils.cc
new file mode 100644
index 000000000..576cceb99
--- /dev/null
+++ b/src/dokan/utils.cc
@@ -0,0 +1,30 @@
+/*
+ * ceph-dokan - Win32 CephFS client based on Dokan
+ *
+ * Copyright (C) 2021 SUSE LINUX GmbH
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+*/
+
+#include "utils.h"
+
+void to_filetime(time_t t, LPFILETIME pft)
+{
+  // Note that LONGLONG is a 64-bit value
+  LONGLONG ll = Int32x32To64(t, 10000000) + 116444736000000000;
+  pft->dwLowDateTime = (DWORD)ll;
+  pft->dwHighDateTime = ll >> 32;
+}
+
+void to_unix_time(FILETIME ft, time_t *t)
+{
+  ULARGE_INTEGER ui;
+  ui.LowPart  = ft.dwLowDateTime;
+  ui.HighPart = ft.dwHighDateTime;
+
+  *t = (LONGLONG)(ui.QuadPart / 10000000ULL - 11644473600ULL);
+}