[FWTools] pj_init_plus allocation question

[Frank Warmerdam]

On 11-02-28 04:26 PM, Mikhail Tchernychev wrote:
>    Hello List,
>
> It's just appeared to me that pj_allocation_plus does not allocate new
> memory each time it is called. Depending on the projection parameters,
> it returns already
> allocated structure from the previous call.
>
> It means that there should not be matching pj_free call for each
> pj_init_plus.
>
> Is it correct?
>
> What is if two +proj=latlong projections with different parameters are
> used in the program?
> Would proj_init_plus return the same pointer for both of them?
>
> Shall I keep track of all pj_free_calls myself (and possibly reference
> count) to clean up?
>
> Unfortunately I could not search proj mail list - it appeared there is
> no option to search.

Mikhail,

The proj list would be a better place for this question.

pj_init_plus() will allocate a new PJ object and there should
be a corresponding pj_free() call for each successful call to
pj_init_plus().

I am not sure what lead you to a different conclusion.

Best regards,
-- 
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I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
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