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Re: [Libguestfs] [PATCH 8/13] hivex: Clarify some more fields.



On Thu, Jan 28, 2010 at 03:26:19PM +0100, Jim Meyering wrote:
> Richard W.M. Jones wrote:
> > Subject: [PATCH 08/13] hivex: Clarify some more fields.
> >
> > Taken from sentinelchicken.com documentation.
> > ---
> >  hivex/hivex.c |    5 +++--
> >  1 files changed, 3 insertions(+), 2 deletions(-)
> >
> > diff --git a/hivex/hivex.c b/hivex/hivex.c
> > index dfac896..1f5c08b 100644
> > --- a/hivex/hivex.c
> > +++ b/hivex/hivex.c
> > @@ -203,7 +203,8 @@ struct ntreg_nk_record {
> >    int32_t seg_len;              /* length (always -ve because used) */
> >    char id[2];                   /* "nk" */
> >    uint16_t flags;
> > -  char timestamp[12];
> > +  char timestamp[8];
> > +  char unknown0[4];
> 
> I wonder if it's nanoseconds...

No it's much stranger than that.  Tenths of microseconds since Jan 1 1601.

http://support.microsoft.com/kb/167296

The following OCaml code successfully converts it to a time_t (from my
reverse-engineering analysis prog):

let nt_to_time_t t =
  let t = Int64.sub t 116444736000000000L in
  let t = Int64.div t 10000000L in
  Int64.to_float t

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
virt-p2v converts physical machines to virtual machines.  Boot with a
live CD or over the network (PXE) and turn machines into Xen guests.
http://et.redhat.com/~rjones/virt-p2v


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