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[Bug 521221] Re: Memory leak in std_vector_typemaps.i interface

To: dolfin@xxxxxxxxxxxxxxxxxxx
From: Garth Wells <gnw20@xxxxxxxxx>
Date: Sat, 13 Feb 2010 09:45:19 -0000
Reply-to: Bug 521221 <521221@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

Fixed in

http://bazaar.launchpad.net/~dolfin-core/dolfin/main/revision/4501

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Memory leak in std_vector_typemaps.i interface
https://bugs.launchpad.net/bugs/521221
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Status in DOLFIN: Fix Committed

Bug description:
There is a memory leak in 

%typemap (in) CONST_VECTOR std::vector<CONST dolfin::TYPE *> &(std::vector<CONST dolfin::TYPE *> tmp_vec)

which is due to mixed-up ownership. For example, for the coefficients passed through this interface from the Python Form constructor to the cpp Form constructor, their destructor is never called.

References

[Bug 521221] [NEW] Memory leak in std_vector_typemaps.i interface
From: Garth Wells, 2010-02-13