On Sun, 04 May 2008 23:36:38 +0200, Darren New <dne### [at] sanrrcom> wrote:
>> Also, look up 'ios::xalloc'.
>
> Ok. It looks like it only works for one integer from one user-defined  
> type at a time,

The words allocated with 'ios::xalloc' are not related to any user-defined  
types. They have only whatever meaning you choose to give them.



> and if you cast it to a pointer, it still doesn't get cleaned up when  
> the stream goes out of scope,

Correct. The stream object itself neither knows nor cares what you store  
there.



> If you allocate (say) a buffer or something for the stream, at what  
> point does that buffer get cleaned up?

If you mean "automatically" then not at all.



> So it looks like the answer is either "you can't do this with standard  
> streams" or "for very limited cases it's built into the stream class  
> already".

Depending on your definition of "very limited", yes.



-- 
FE

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