FreeRDP/winpr/include/winpr/timezone.h
2019-11-07 10:53:54 +01:00

116 lines
4.1 KiB
C

/**
* 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 _TIME_ZONE_INFORMATION
{
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 _TIME_DYNAMIC_ZONE_INFORMATION
{
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 */