Module: wine Branch: master Commit: 3593f7da663e451a9a77d23268e8f81eb4e539cd URL: https://source.winehq.org/git/wine.git/?a=commit;h=3593f7da663e451a9a77d2326...
Author: Huw Davies huw@codeweavers.com Date: Wed May 15 11:45:50 2019 +0100
kernel32: Simplify TIME_CompTimeZoneID() by passing time as LONGLONG.
Signed-off-by: Huw Davies huw@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/kernel32/time.c | 52 ++++++++++++++++++++++++---------------------------- 1 file changed, 24 insertions(+), 28 deletions(-)
diff --git a/dlls/kernel32/time.c b/dlls/kernel32/time.c index e7f5f0e..8805c81 100644 --- a/dlls/kernel32/time.c +++ b/dlls/kernel32/time.c @@ -146,7 +146,7 @@ static int TIME_DayLightCompareDate( const SYSTEMTIME *date, * * PARAMS * pTZinfo [in] The time zone data. - * lpFileTime [in] The system or local time. + * time [in] The system or local time. * islocal [in] it is local time. * * RETURNS @@ -156,14 +156,13 @@ static int TIME_DayLightCompareDate( const SYSTEMTIME *date, * TIME_ZONE_ID_DAYLIGHT Current time is daylight savings time */ static DWORD TIME_CompTimeZoneID ( const TIME_ZONE_INFORMATION *pTZinfo, - FILETIME *lpFileTime, BOOL islocal ) + LONGLONG time, BOOL islocal ) { int ret, year; BOOL beforeStandardDate, afterDaylightDate; DWORD retval = TIME_ZONE_ID_INVALID; - LONGLONG llTime = 0; /* initialized to prevent gcc complaining */ SYSTEMTIME SysTime; - FILETIME ftTemp; + FILETIME ft;
if (pTZinfo->DaylightDate.wMonth != 0) { @@ -181,20 +180,17 @@ static DWORD TIME_CompTimeZoneID ( const TIME_ZONE_INFORMATION *pTZinfo, return TIME_ZONE_ID_INVALID; }
- if (!islocal) { - llTime = filetime_to_longlong( lpFileTime ); - llTime -= pTZinfo->Bias * (LONGLONG)600000000; - longlong_to_filetime( llTime, &ftTemp ); - lpFileTime = &ftTemp; - } + if (!islocal) + time -= pTZinfo->Bias * (LONGLONG)600000000;
- FileTimeToSystemTime(lpFileTime, &SysTime); + longlong_to_filetime( time, &ft ); + FileTimeToSystemTime( &ft, &SysTime ); year = SysTime.wYear;
if (!islocal) { - llTime -= pTZinfo->DaylightBias * (LONGLONG)600000000; - longlong_to_filetime( llTime, &ftTemp ); - FileTimeToSystemTime(lpFileTime, &SysTime); + time -= pTZinfo->DaylightBias * (LONGLONG)600000000; + longlong_to_filetime( time, &ft ); + FileTimeToSystemTime( &ft, &SysTime ); }
/* check for daylight savings */ @@ -208,14 +204,13 @@ static DWORD TIME_CompTimeZoneID ( const TIME_ZONE_INFORMATION *pTZinfo, beforeStandardDate = SysTime.wYear < year;
if (!islocal) { - llTime -= ( pTZinfo->StandardBias - pTZinfo->DaylightBias ) - * (LONGLONG)600000000; - longlong_to_filetime( llTime, &ftTemp ); - FileTimeToSystemTime(lpFileTime, &SysTime); + time -= ( pTZinfo->StandardBias - pTZinfo->DaylightBias ) * (LONGLONG)600000000; + longlong_to_filetime( time, &ft ); + FileTimeToSystemTime( &ft, &SysTime ); }
if(year == SysTime.wYear) { - ret = TIME_DayLightCompareDate( &SysTime, &pTZinfo->DaylightDate); + ret = TIME_DayLightCompareDate( &SysTime, &pTZinfo->DaylightDate ); if (ret == -2) return TIME_ZONE_ID_INVALID;
@@ -224,7 +219,7 @@ static DWORD TIME_CompTimeZoneID ( const TIME_ZONE_INFORMATION *pTZinfo, afterDaylightDate = SysTime.wYear > year;
retval = TIME_ZONE_ID_STANDARD; - if( pTZinfo->DaylightDate.wMonth < pTZinfo->StandardDate.wMonth ) { + if( pTZinfo->DaylightDate.wMonth < pTZinfo->StandardDate.wMonth ) { /* Northern hemisphere */ if( beforeStandardDate && afterDaylightDate ) retval = TIME_ZONE_ID_DAYLIGHT; @@ -254,9 +249,10 @@ static DWORD TIME_CompTimeZoneID ( const TIME_ZONE_INFORMATION *pTZinfo, */ static DWORD TIME_ZoneID( const TIME_ZONE_INFORMATION *pTzi ) { - FILETIME ftTime; - GetSystemTimeAsFileTime( &ftTime); - return TIME_CompTimeZoneID( pTzi, &ftTime, FALSE); + LARGE_INTEGER now; + + NtQuerySystemTime( &now ); + return TIME_CompTimeZoneID( pTzi, now.QuadPart, FALSE ); }
/*********************************************************************** @@ -266,7 +262,7 @@ static DWORD TIME_ZoneID( const TIME_ZONE_INFORMATION *pTzi ) * * PARAMS * pTZinfo [in] The time zone data. - * lpFileTime [in] The system or local time. + * time [in] The system or local time. * islocal [in] It is local time. * pBias [out] The calculated bias in minutes. * @@ -274,10 +270,10 @@ static DWORD TIME_ZoneID( const TIME_ZONE_INFORMATION *pTzi ) * TRUE when the time zone bias was calculated. */ static BOOL TIME_GetTimezoneBias( const TIME_ZONE_INFORMATION *pTZinfo, - FILETIME *lpFileTime, BOOL islocal, LONG *pBias ) + LONGLONG time, BOOL islocal, LONG *pBias ) { LONG bias = pTZinfo->Bias; - DWORD tzid = TIME_CompTimeZoneID( pTZinfo, lpFileTime, islocal); + DWORD tzid = TIME_CompTimeZoneID( pTZinfo, time, islocal );
if( tzid == TIME_ZONE_ID_INVALID) return FALSE; @@ -700,7 +696,7 @@ BOOL WINAPI SystemTimeToTzSpecificLocalTime( if (!SystemTimeToFileTime(lpUniversalTime, &ft)) return FALSE; llTime = filetime_to_longlong( &ft ); - if (!TIME_GetTimezoneBias(&tzinfo, &ft, FALSE, &lBias)) + if (!TIME_GetTimezoneBias(&tzinfo, llTime, FALSE, &lBias)) return FALSE; /* convert minutes to 100-nanoseconds-ticks */ llTime -= (LONGLONG)lBias * 600000000; @@ -745,7 +741,7 @@ BOOL WINAPI TzSpecificLocalTimeToSystemTime( if (!SystemTimeToFileTime(lpLocalTime, &ft)) return FALSE; t = filetime_to_longlong( &ft ); - if (!TIME_GetTimezoneBias(&tzinfo, &ft, TRUE, &lBias)) + if (!TIME_GetTimezoneBias(&tzinfo, t, TRUE, &lBias)) return FALSE; /* convert minutes to 100-nanoseconds-ticks */ t += (LONGLONG)lBias * 600000000;