On 2012-12-08 17:45:07 +0100, Andrew Holden said:
Philipp Kraus <philipp.kraus@flashpixx.de> wrote: Hello,
I'm using boost::shared_ptr for using a C pointer. The ctor and all functions are called without any problem, but I have got a problem with the dtor. I need to call a C function on the dtor eg
cptr_close( mypointer )
How can I this used with boost::shared_ptr? I need the cptr_close call on the pointer member of the dtor on the shared_ptr.
Thanks a lot
Phil
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I would ini tialize the shared pointer like so:
boost::shared_ptr <MyType> ptr;
MyType *temp_ptr = cptr_open(); //Use a temporary pointer to avoid initializing the shared pointer with null.
if (temp_ptr) ptr.reset(temp_ptr, &cptr_close); //Now discard temp_ptr
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O http://www.boost.org/doc/libs/1_52_0/libs/smart_ptr/shared_ptr.htm#construct... I found that I can use a ctor with template<class Y, class D> shared_ptr(Y * p, D d); and D is a dtor call. Do you have an example for D ? Thanks Phil