1 files changed, 44 insertions, 0 deletions
diff --git a/src/dokan/utils.cc b/src/dokan/utils.cc
new file mode 100644
index 000000000..4705359c4
--- /dev/null
+++ b/src/dokan/utils.cc
@@ -0,0 +1,44 @@
+/*
+ * 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"
+
+#include <boost/locale/encoding_utf.hpp>
+
+using boost::locale::conv::utf_to_utf;
+
+std::wstring to_wstring(const std::string& str)
+{
+  return utf_to_utf<wchar_t>(str.c_str(), str.c_str() + str.size());
+}
+
+std::string to_string(const std::wstring& str)
+{
+  return utf_to_utf<char>(str.c_str(), str.c_str() + str.size());
+}
+
+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);
+}