internal static unsafe bool IsValidTimeWithLeapSeconds(int year, int month, int day, int hour, int minute, int second, DateTimeKind kind)
{
DateTime dt = new DateTime(year, month, day);
FullSystemTime time = new FullSystemTime(year, month, dt.DayOfWeek, day, hour, minute, second);
if (kind != DateTimeKind.Utc)
{
Interop.Kernel32.SYSTEMTIME st;
if (Interop.Kernel32.TzSpecificLocalTimeToSystemTime(IntPtr.Zero, &time.systemTime, &st) != Interop.BOOL.FALSE)
{
return(true);
}
}
if (kind != DateTimeKind.Local)
{
long ft;
if (Interop.Kernel32.SystemTimeToFileTime(&time.systemTime, &ft) != Interop.BOOL.FALSE)
{
return(true);
}
}
return(false);
}
internal static long ToFileTimeLeapSecondsAware(long ticks)
{
FullSystemTime time = new FullSystemTime(ticks);
if (Interop.Kernel32.SystemTimeToFileTime(in time.systemTime, out long fileTime))
{
return(fileTime + ticks % TicksPerMillisecond);
}
throw new ArgumentOutOfRangeException(null, SR.ArgumentOutOfRange_FileTimeInvalid);
}
internal static unsafe bool IsValidTimeWithLeapSeconds(int year, int month, int day, int hour, int minute, int second, DateTimeKind kind)
{
DateTime dt = new DateTime(year, month, day);
FullSystemTime time = new FullSystemTime(year, month, dt.DayOfWeek, day, hour, minute, second);
return(kind switch
{
DateTimeKind.Local => ValidateSystemTime(&time.systemTime, localTime: true),
DateTimeKind.Utc => ValidateSystemTime(&time.systemTime, localTime: false),
_ => ValidateSystemTime(&time.systemTime, localTime: true) || ValidateSystemTime(&time.systemTime, localTime: false),
});
private static unsafe long ToFileTimeLeapSecondsAware(long ticks)
{
FullSystemTime time = new FullSystemTime(ticks);
long fileTime;
if (SystemTimeToFileTime(&time.systemTime, &fileTime))
{
return(fileTime + ticks % TicksPerMillisecond);
}
throw new ArgumentOutOfRangeException(null, SR.ArgumentOutOfRange_FileTimeInvalid);
}
private static unsafe long ToFileTimeLeapSecondsAware(long ticks)
{
FullSystemTime time = new FullSystemTime(ticks);
long fileTime;
if (Interop.Kernel32.SystemTimeToFileTime(&time.systemTime, &fileTime) == Interop.BOOL.FALSE)
{
throw new ArgumentOutOfRangeException(null, SR.ArgumentOutOfRange_FileTimeInvalid);
}
return(fileTime + ticks % TicksPerMillisecond);
}
internal static unsafe bool IsValidTimeWithLeapSeconds(int year, int month, int day, int hour, int minute, int second, DateTimeKind kind)
{
DateTime dt = new DateTime(year, month, day);
FullSystemTime time = new FullSystemTime(year, month, dt.DayOfWeek, day, hour, minute, second);
switch (kind)
{
case DateTimeKind.Local: return ValidateSystemTime(&time.systemTime, localTime: true);
case DateTimeKind.Utc: return ValidateSystemTime(&time.systemTime, localTime: false);
default:
return ValidateSystemTime(&time.systemTime, localTime: true) || ValidateSystemTime(&time.systemTime, localTime: false);
}
}
