[Octave-bug-tracker] [bug #61472] AddressSanitizer crash in MEX tests

[anonymous]

Follow-up Comment #3, bug #61472 (project octave):

Hello there! 
Regarding comment #1:
A custom deleter can be provided to the constructor of `Array`. The Array also
needs a member of type deleter:


using deleter_t = void (*)(void *);

template<typename T>
class Array
{
public:
  Array (const dim_vector& dv)
  : m_data (new T[dv.safe_numel ()])
  , m_dv (dv)
  , m_deleter ([](void *p){::operatr delete[] (p);})
  {}

  Array (T *buffer, const dim_vector& dv, deleter_t del)
  : m_data (buffer) 
  , m_dv (dv)
  , m_deleter (del)
  {}

  ~Array()
  {
    deleter (m_data);
  }

private:
  T *m_data;
  dim_vector m_dv;
  deleter_t m_deleter;
};


It can be used like this:


double * buf = (double *) std::malloc (5 * sizeof (double));

Array<doudblr> arr (buf, dim_vector (1, 5), &std::free);


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