1 files changed, 36 insertions, 0 deletions
diff --git a/xfa/fxfa/parser/cxfa_timezoneprovider.cpp b/xfa/fxfa/parser/cxfa_timezoneprovider.cpp
new file mode 100644
index 0000000000..65ce61e10b
--- /dev/null
+++ b/xfa/fxfa/parser/cxfa_timezoneprovider.cpp
@@ -0,0 +1,36 @@
+// Copyright 2017 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "xfa/fxfa/parser/cxfa_timezoneprovider.h"
+
+#include <time.h>
+
+static bool g_bProviderTimeZoneSet = false;
+
+CXFA_TimeZoneProvider::CXFA_TimeZoneProvider() {
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_
+  if (!g_bProviderTimeZoneSet) {
+    g_bProviderTimeZoneSet = true;
+    _tzset();
+  }
+  m_tz.tzHour = static_cast<int8_t>(_timezone / 3600 * -1);
+  m_tz.tzMinute = static_cast<int8_t>((FXSYS_abs(_timezone) % 3600) / 60);
+#else
+  if (!g_bProviderTimeZoneSet) {
+    g_bProviderTimeZoneSet = true;
+    tzset();
+  }
+  m_tz.tzHour = static_cast<int8_t>(timezone / 3600 * -1);
+  m_tz.tzMinute =
+      static_cast<int8_t>((FXSYS_abs(static_cast<int>(timezone)) % 3600) / 60);
+#endif
+}
+
+CXFA_TimeZoneProvider::~CXFA_TimeZoneProvider() {}
+
+void CXFA_TimeZoneProvider::GetTimeZone(FX_TIMEZONE* tz) const {
+  *tz = m_tz;
+}