RE: ds alignment (was Prototyping printf())

>Date: Tue, 10 Oct 2000 09:05:21 -0600
>From: "David Morris" <dmorris@plumcreek.com>
>
>Last October, Midrange Computing ran an article titled "Put it in
Storage".   The code
>in that article describes using user spaces and user indexes to store
data.  One feature
>is an align procedure that ensures a pointer type variable is on a 16 byte
boundary.
>Subprocedure AlnOff in the file fig6_stgtkt.txt adjusts an offset to a
boundary. I rely on
>this code extensively and have not had any problems.  The only assumption
is that a
>User Space is aligned.  If this assumption is incorrect, at least
everything is going
>through a single interface.  You can get the source at:

David, user spaces are 16-byte aligned.  When I sid that only the
presence of a pointer will force 16-byte alignment, I was only talking
about a "declared" structure, in static or automatic storage in your
program.

Barbara Morris


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