include/timezoneapi.h

   1 /*
   2  * Copyright (C) 2019 Daniel Lehman
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #ifndef _APISETTIMEZONE_
  20 #define _APISETTIMEZONE_
  21
  22 #ifdef __cplusplus
  23 extern "C" {
  24 #endif
  25
  26 typedef struct _TIME_DYNAMIC_ZONE_INFORMATION
  27 {
  28     LONG       Bias;
  29     WCHAR      StandardName[32];
  30     SYSTEMTIME StandardDate;
  31     LONG       StandardBias;
  32     WCHAR      DaylightName[32];
  33     SYSTEMTIME DaylightDate;
  34     LONG       DaylightBias;
  35     WCHAR      TimeZoneKeyName[128];
  36     BOOLEAN    DynamicDaylightTimeDisabled;
  37 } DYNAMIC_TIME_ZONE_INFORMATION, *PDYNAMIC_TIME_ZONE_INFORMATION;
  38
  39 typedef struct _TIME_ZONE_INFORMATION
  40 {
  41     LONG       Bias;
  42     WCHAR      StandardName[32];
  43     SYSTEMTIME StandardDate;
  44     LONG       StandardBias;
  45     WCHAR      DaylightName[32];
  46     SYSTEMTIME DaylightDate;
  47     LONG       DaylightBias;
  48 } TIME_ZONE_INFORMATION, *PTIME_ZONE_INFORMATION, *LPTIME_ZONE_INFORMATION;
  49
  50 #define TIME_ZONE_ID_INVALID    ((DWORD)0xFFFFFFFF)
  51 #define TIME_ZONE_ID_UNKNOWN    0
  52 #define TIME_ZONE_ID_STANDARD   1
  53 #define TIME_ZONE_ID_DAYLIGHT   2
  54
  55 WINBASEAPI DWORD WINAPI EnumDynamicTimeZoneInformation(DWORD, DYNAMIC_TIME_ZONE_INFORMATION *);
  56 WINBASEAPI DWORD WINAPI GetDynamicTimeZoneInformation(PDYNAMIC_TIME_ZONE_INFORMATION);
  57 WINBASEAPI DWORD WINAPI GetDynamicTimeZoneInformationEffectiveYears(const DYNAMIC_TIME_ZONE_INFORMATION*,DWORD*,DWORD*);
  58 WINBASEAPI DWORD WINAPI GetTimeZoneInformation(LPTIME_ZONE_INFORMATION);
  59 WINBASEAPI BOOL  WINAPI GetTimeZoneInformationForYear(USHORT,DYNAMIC_TIME_ZONE_INFORMATION*,TIME_ZONE_INFORMATION*);
  60 WINBASEAPI BOOL  WINAPI SetDynamicTimeZoneInformation(const DYNAMIC_TIME_ZONE_INFORMATION*);
  61 WINBASEAPI BOOL  WINAPI SetTimeZoneInformation(const TIME_ZONE_INFORMATION *);
  62 WINBASEAPI BOOL  WINAPI SystemTimeToTzSpecificLocalTime(const TIME_ZONE_INFORMATION*,const SYSTEMTIME*,LPSYSTEMTIME);
  63 WINBASEAPI BOOL  WINAPI SystemTimeToTzSpecificLocalTimeEx(const DYNAMIC_TIME_ZONE_INFORMATION*,const SYSTEMTIME*,LPSYSTEMTIME);
  64 WINBASEAPI BOOL  WINAPI TzSpecificLocalTimeToSystemTime(const TIME_ZONE_INFORMATION*,const SYSTEMTIME*,LPSYSTEMTIME);
  65 WINBASEAPI BOOL  WINAPI TzSpecificLocalTimeToSystemTimeEx(const DYNAMIC_TIME_ZONE_INFORMATION*,const SYSTEMTIME*,LPSYSTEMTIME);
  66
  67 #ifdef __cplusplus
  68 }
  69 #endif
  70
  71 #endif  /* _APISETTIMEZONE_ */