How to resolve "Error:initialization from incompatible pointer type" ?

[Cdweller]

Below is my code snippet.I'm getting "Error:initialization from incompatible pointer type" error on line 'int *q = status;'.

Obviously, I'm missing something but has no clue...:(
Could someone please help me resolve this ?

void findwalls(int *p,int y,int x){
int status[y_count][x_count][4];
int *q = status;
for(int i = 0;i < (y_count * x_count * 4);i++)
*(q + i) = *(p + i);

Thanks!

[weaknessforcats]

You cannot create a multi-dimensional array when the size of the elements is unknown. In this case:

int status[y_count][x_count][4]; 
 

status is an array of y_count elements but the size of the element is not known at compile time because x_count has no value. Therefore, you cannot create this array on the stack.

Then:

int *q = status; 
 

doesn't work because status is not an int*. It is a pointer to a two-dimensional array of int.

I suggest you do this:

int* status = new int(y * x * 4);

Create an array of the correct number ints and initialize the array.

Later you can typecast status into another pointer that lets tou use the array as a multi-dinensional array.

Read this: http://bytes.com/topic/c/insights/77...rrays-revealed and pay special attention to the last example.