// 511 2003-02-11

$ cat copy.cpp

#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

class array

{ protected:

int size;

int *data;

public:

array(int sz)

{ size=sz;

data=new int[sz]; }

~array(void)

{ delete[] data; }

int getsize(void)

{ return size; }

int get(int i)

{ if (i<0 || i>=size) return -1;

return data[i]; }

void set(int i, int val)

{ if (i>=0 && i<size)

data[i]=val; } };

void check(array a)

{ for (int i=0; i<a.getsize(); i+=1)

if (a.get(i)==73)

printf("bad array\n"); }

void main(void)

{ array x(100);

for (int i=0; i<100; i+=1)

x.set(i, random());

check(x);

for (int i=0; i<10; i+=1)

printf(" %d", x.get(i));

printf("\n"); }

$ CC copy.cpp

$ a.out

a.out in free(): warning: page is already free

1804289383 959984180 540227635 960050489 942748728 875896880 926036528 540357430 808465977 942944309