track c++ allocations

track.cpp

global operator new
global operator new []
global operator delete
global operator delete []

#undef new
void *operator new (size_t size, char *file, int line, char *function);
// [...]
#define new new (__FILE__, __LINE__, __FUNCTION__)

// implementation
void *operator new (size_t size, char *file, int line, char *function) {
  // tracking code 
  return malloc (size);
}

// [...]