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7c3e96a26a
This small win32 library provides time-zone utility wrappers around Win32 functions, that are used by different ReactOS modules such as timedate.cpl, syssetup.dll, and a possible future 'tzutil' tool. The code has been extracted from the common code found in both timedate.cpl and syssetup.dll.
57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/*
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* PROJECT: ReactOS TimeZone Utilities Library
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* LICENSE: GPL-2.0 (https://spdx.org/licenses/GPL-2.0)
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* PURPOSE: Provides time-zone utility wrappers around Win32 functions,
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* that are used by different ReactOS modules such as
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* timedate.cpl, syssetup.dll.
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* COPYRIGHT: Copyright 2004-2005 Eric Kohl
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* Copyright 2016 Carlo Bramini
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* Copyright 2020 Hermes Belusca-Maito
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*/
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#pragma once
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typedef struct _REG_TZI_FORMAT
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{
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LONG Bias;
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LONG StandardBias;
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LONG DaylightBias;
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SYSTEMTIME StandardDate;
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SYSTEMTIME DaylightDate;
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} REG_TZI_FORMAT, *PREG_TZI_FORMAT;
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typedef LONG
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(*PENUM_TIMEZONE_CALLBACK)(
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IN HKEY hZoneKey,
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IN PVOID Context OPTIONAL);
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BOOL
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GetTimeZoneListIndex(
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IN OUT PULONG pIndex);
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LONG
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QueryTimeZoneData(
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IN HKEY hZoneKey,
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OUT PULONG Index OPTIONAL,
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OUT PREG_TZI_FORMAT TimeZoneInfo,
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OUT PWCHAR Description OPTIONAL,
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IN OUT PULONG DescriptionSize OPTIONAL,
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OUT PWCHAR StandardName OPTIONAL,
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IN OUT PULONG StandardNameSize OPTIONAL,
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OUT PWCHAR DaylightName OPTIONAL,
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IN OUT PULONG DaylightNameSize OPTIONAL);
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VOID
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EnumerateTimeZoneList(
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IN PENUM_TIMEZONE_CALLBACK Callback,
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IN PVOID Context OPTIONAL);
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// Returns TRUE if AutoDaylight is ON.
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// Returns FALSE if AutoDaylight is OFF.
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BOOL
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GetAutoDaylight(VOID);
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VOID
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SetAutoDaylight(
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IN BOOL EnableAutoDaylightTime);
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