Re: [ros-dev] [ros-diffs] [pschweitzer] 64752: [NTFS] Implement NtfsDateTimeToFileTime() which convert epoch time (1970) to Windows time (1601)

[Pierre Schweitzer]

My link says: "Values are stored in universal coordinated time, like in
Linux."
This is what I interpret as: stored with epoch, need to shift to 1601.

On 15/10/2014 22:46, Thomas Faber wrote:
>   On 2014-10-15 22:23, pschweitzer(a)svn.reactos.org
> wrote:
> >   +/* See:
> >  + -> http://msdn.microsoft.com/en-us/library/ms724228
> >  + -> http://bos.asmhackers.net/docs/filesystems/ntfs/standard.html#layout
> >  + */
> >  +VOID
> >  +NtfsDateTimeToFileTime(ULONGLONG NtfsTime,
> >  +                       PLARGE_INTEGER SystemTime)
> >  +{
> >  +
> >  +    SystemTime->QuadPart = NtfsTime + 116444736000000000;
> >  +} 
>  
>  Doesn't NTFS use FILETIME directly? I thought that's the reason it's
>  called "file time" in the first place. ;)
>  Wikipedia says
>  "Date range: 1 January 1601 – 28 May 60056 (File times are 64-bit
>   numbers counting 100-nanosecond intervals (ten million per second)
>   since 1601, which is 58,000+ years)"
>  and your link doesn't seem to disagree.
>  
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-- 
Pierre Schweitzer <pierre at reactos.org>
System & Network Administrator
Senior Kernel Developer
ReactOS Deutschland e.V.