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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <string.h>
  4.  
  5. void operator delete(void* ptr) { free(ptr); }
  6. void* operator new(size_t sz) {
  7.     void *dst=malloc(sz);
  8.     if (dst) memset(dst,0xFF,sz);
  9.     return dst;
  10. }
  11.  
  12. struct A { int x; A() {} };
  13. struct B : A { int y; A a; };
  14.  
  15. int main(int argc,char** argv) {
  16.     A *a=new A();
  17.     B *b=new B();
  18.  
  19.     printf("a->x=%d\n",a->x);
  20.     printf("b->x=%d\n",b->x);
  21.     printf("b->y=%d\n",b->y);
  22.     printf("b->a.x=%d\n",b->a.x);
  23.  
  24.     delete b;
  25.     delete a;
  26.     return 0;
  27. }
  28.  
Success #stdin #stdout 0s 16064KB
comments (?)
stdin
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Standard input is empty
stdout
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a->x=-1
b->x=-1
b->y=0
b->a.x=-1
https://ideone.com/UTz6OO
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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