/* megacopy.c - copies structs generically through the heap
   YOUR NAME(S), 8/29/2012 */

#include <stdio.h>
#include <stdlib.h>

struct Foo {
  int x;
  double y;
};

struct Bar {
  char* string;
  struct Foo* foo;
};

void printFoo( struct Foo* foo ) {
  printf( "Foo.x: %i\nFoo.y: %lf\n", foo->x, foo->y );
}

void printBar( struct Bar* bar ) {
  printf( "Bar.string: %s\nBar.foo:\n", bar->string );
  printFoo( bar->foo );
}

// change ONLY code in megacopyHeap
void* megacopyHeap( void* src, size_t size ) {
  return NULL;
}

int main() {
  struct Foo fooSrc = { 5, 2.5 };
  struct Foo* fooDest;
  struct Bar barSrc = { "bar string", &fooSrc };
  struct Bar* barDest;

  printf( "Sources:\n" );
  printFoo( &fooSrc );
  printBar( &barSrc );

  fooDest = megacopyHeap( &fooSrc, sizeof( struct Foo ) );
  barDest = megacopyHeap( &barSrc, sizeof( struct Bar ) );

  printf( "\nDestinations:\n" );
  printFoo( fooDest );
  printBar( barDest );

  free( fooDest );
  free( barDest );

  return 0;
}