WILJ1C

Script started on Mon Feb 24 11:59:55 2014
admiral% cat WILJ1C.cpp
#include <iostream>
using namespace std;

 int *read_Array(const int *, int);
 void displayArray(const int *, int);
int main()
{
        // define array size
        const int SIZE = 20;

        // define the array
        int array1[SIZE] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
                , 16, 17, 18, 19, 20};

        // define a pointer for the duplicate array
        int *dup;

        // duplicate the array
        dup = read_Array(array1, SIZE);

        // display the original array
        cout << "Here are the original arrays contents:\n";
        displayArray(array1, SIZE);

        // display the new array
        cout << "\nHere is the new array:\n";
        displayArray(dup, SIZE + 1);

        // free the dynamically allocated memory and
        // set the pointer to 0
        delete dup;
        dup = 0;
        system("pause");
        return 0;
}
int *read_Array(const int *arr, int size)
{
        int *newArray;

        //validate the size. if 0 or a negative
        // number was pass, return null
        if (size <= 0)
                return NULL;
        const int nsize = size + 1;
        // allocate a new array
        newArray = new int [nsize];
        // copy the array's contents to the 
        // new array
        for (int index = size; index > 0; --index)
                *(newArray + index) = *(arr + index - 1);
        *newArray = 0;

        // return a pointer to the new array
        return newArray;
}

void displayArray(const int *arr, int size)
{
        for (int index = 0; index < size; index++)
                cout << *(arr + index) << " ";
        cout << endl;
}
admiral% g++ wil   WILJ1C.cpp
admiral% a.out WILJ1C.cpp
Here are the original arrays contents:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 

Here is the new array:
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 
sh: pause: not found
admiral% ^D
script done on Mon Feb 24 12:00:25 2014