[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [List Home]
Re: [platform-swt-dev] MoveMemory Variant question...

MoveMemory does not zero out the original memory, it copies the data to 
the new location.  The difference between MoveMemory and CopyMemory is 
that "(Source + Length) cannot overlap the Destination range passed in to 
RtlCopyMemory"




avneesh saxena <avneeshs@xxxxxxxxx> 
Sent by: platform-swt-dev-admin@xxxxxxxxxxx
07/30/2004 12:07 PM
Please respond to
platform-swt-dev


To
platform-swt-dev@xxxxxxxxxxx
cc

Subject
[platform-swt-dev] MoveMemory Variant question...






I'm a little confused by Variant's use of MoveMemory. In the 
setData(pData)
method, the type of the variant is "moved" into a short. This should zero
out the memory in the variant(pData) corresponding to vt_type. However,
later in this method (if the type is not one of the standard ones), a
VariantChangeType is tried with the same pData which now has a zero for
vt_type!. Am I misunderstanding something or is this a bug.

Thanks,
--Avs
_______________________________________________
platform-swt-dev mailing list
platform-swt-dev@xxxxxxxxxxx
http://dev.eclipse.org/mailman/listinfo/platform-swt-dev