text: /**
   * WinPR: Windows Portable Runtime
   * Time Zone
   *
   * Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #ifndef WINPR_TIMEZONE_H
  #define WINPR_TIMEZONE_H
  
  #include <winpr/winpr.h>
  #include <winpr/wtypes.h>
  
  #include <winpr/windows.h>
  
  #ifdef __cplusplus
  extern "C"
  {
  #endif
  
  #ifndef _WIN32
  
  	typedef struct
  	{
  		LONG Bias;
  		WCHAR StandardName[32];
  		SYSTEMTIME StandardDate;
  		LONG StandardBias;
  		WCHAR DaylightName[32];
  		SYSTEMTIME DaylightDate;
  		LONG DaylightBias;
  	} TIME_ZONE_INFORMATION, *PTIME_ZONE_INFORMATION, *LPTIME_ZONE_INFORMATION;
  
  	typedef struct
  	{
  		LONG Bias;
  		WCHAR StandardName[32];
  		SYSTEMTIME StandardDate;
  		LONG StandardBias;
  		WCHAR DaylightName[32];
  		SYSTEMTIME DaylightDate;
  		LONG DaylightBias;
  		WCHAR TimeZoneKeyName[128];
  		BOOLEAN DynamicDaylightTimeDisabled;
  	} DYNAMIC_TIME_ZONE_INFORMATION, *PDYNAMIC_TIME_ZONE_INFORMATION,
  	    *LPDYNAMIC_TIME_ZONE_INFORMATION;
  
  	WINPR_API DWORD GetTimeZoneInformation(LPTIME_ZONE_INFORMATION lpTimeZoneInformation);
  	WINPR_API BOOL SetTimeZoneInformation(const TIME_ZONE_INFORMATION* lpTimeZoneInformation);
  	WINPR_API BOOL SystemTimeToFileTime(const SYSTEMTIME* lpSystemTime, LPFILETIME lpFileTime);
  	WINPR_API BOOL FileTimeToSystemTime(const FILETIME* lpFileTime, LPSYSTEMTIME lpSystemTime);
  	WINPR_API BOOL SystemTimeToTzSpecificLocalTime(LPTIME_ZONE_INFORMATION lpTimeZone,
  	                                               LPSYSTEMTIME lpUniversalTime,
  	                                               LPSYSTEMTIME lpLocalTime);
  	WINPR_API BOOL TzSpecificLocalTimeToSystemTime(LPTIME_ZONE_INFORMATION lpTimeZoneInformation,
  	                                               LPSYSTEMTIME lpLocalTime,
  	                                               LPSYSTEMTIME lpUniversalTime);
  
  #endif
  
  /*
   * GetDynamicTimeZoneInformation is provided by the SDK if _WIN32_WINNT >= 0x0600 in SDKs above 7.1A
   * and incorrectly if _WIN32_WINNT >= 0x0501 in older SDKs
   */
  #if !defined(_WIN32) ||                                                  \
      (defined(_WIN32) && (defined(NTDDI_WIN8) && _WIN32_WINNT < 0x0600 || \
                           !defined(NTDDI_WIN8) && _WIN32_WINNT < 0x0501)) /* Windows Vista */
  
  	WINPR_API DWORD
  	GetDynamicTimeZoneInformation(PDYNAMIC_TIME_ZONE_INFORMATION pTimeZoneInformation);
  	WINPR_API BOOL
  	SetDynamicTimeZoneInformation(const DYNAMIC_TIME_ZONE_INFORMATION* lpTimeZoneInformation);
  	WINPR_API BOOL GetTimeZoneInformationForYear(USHORT wYear, PDYNAMIC_TIME_ZONE_INFORMATION pdtzi,
  	                                             LPTIME_ZONE_INFORMATION ptzi);
  
  #endif
  
  #if !defined(_WIN32) || (defined(_WIN32) && (_WIN32_WINNT < 0x0601)) /* Windows 7 */
  
  	WINPR_API BOOL
  	SystemTimeToTzSpecificLocalTimeEx(const DYNAMIC_TIME_ZONE_INFORMATION* lpTimeZoneInformation,
  	                                  const SYSTEMTIME* lpUniversalTime, LPSYSTEMTIME lpLocalTime);
  	WINPR_API BOOL
  	TzSpecificLocalTimeToSystemTimeEx(const DYNAMIC_TIME_ZONE_INFORMATION* lpTimeZoneInformation,
  	                                  const SYSTEMTIME* lpLocalTime, LPSYSTEMTIME lpUniversalTime);
  
  #endif
  
  #if !defined(_WIN32) || (defined(_WIN32) && (_WIN32_WINNT < 0x0602)) /* Windows 8 */
  
  	WINPR_API DWORD EnumDynamicTimeZoneInformation(
  	    const DWORD dwIndex, PDYNAMIC_TIME_ZONE_INFORMATION lpTimeZoneInformation);
  	WINPR_API DWORD GetDynamicTimeZoneInformationEffectiveYears(
  	    const PDYNAMIC_TIME_ZONE_INFORMATION lpTimeZoneInformation, LPDWORD FirstYear,
  	    LPDWORD LastYear);
  
  #endif
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* WINPR_TIMEZONE_H */
  