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Hi Carl,

[SNIP]
> MQ supports message up to 4MB, the limitation is in RPG.
>
> Does anyone out there know C?  Is there a limitation on the size of a
> variable in C?

You can work around the 32k limitation in RPG quite easily, either by
allocating memory from the heap, or by using a user space.  The limitation
then becomes 16mb which a system-limit when using the single-level store
method of doing allocations.

In V4R4 and later, RPG can also use teraspace allocations which allow you
to go to nearly 2gb in a single allocation. But, since you only need 4mb,
it should be relatively easy to accomplish in RPG.

I did an article on handling large strings in RPG for the iSeries Network,
here:
http://www.iseriesnetwork.com/resources/clubtech/index.cfm?fuseaction=ShowNewsletterIssue&ID=17654

and then more recently I did one on teraspace allocation:
http://www.iseriesnetwork.com/resources/clubtech/index.cfm?fuseaction=ShowNewsletterIssue&ID=18258


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