ReplaceAlloc.h

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#ifndef REPLACE_ALLOC_H
#define REPLACE_ALLOC_H
 
/* This macro allows to replace standard new and delete for objects
of particular class to any non-standard operators, in the example below
it is ordinary malloc and free.
*/
#include <stdlib.h>
 
#define macro_alloc                                     \
  public:                                               \
  void* operator new(size_t size, void* adr = NULL) {   \
    if (adr == NULL) return malloc(size);               \
    return adr;                                         \
  }                                                     \
  void* operator new[](size_t size, void* adr = NULL) { \
    if (adr == NULL) return malloc(size);               \
    return adr;                                         \
  }                                                     \
  void operator delete(void * f) { free(f); }           \
  void operator delete[](void * f) { free(f); }
 
#endif