Building TickTackToe

[pobri19]

Hey, this is for a tick tack toe game I'm creating, basically so far what i'm trying to get it to do is check if the array is empty, so later i can fill the array with the persons symbol (x) or (O). But yeah, it asks for the users input, i enter a number, and I get mixed results, depending on the number I enter, even if the arrays are ALL empty..

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

int *iPointer1;
int *iPointer2;
int x;
int y;
char cBoard[3][3] = {0};
int CheckSquare(int);

int main()
{
	int iSquare;
	iPointer1 = &x;
	iPointer2 = &y;

	printf("Enter a square number <1-9>: ");
	scanf("&#37;d", &iSquare);
	if (CheckSquare(iSquare) == 0)
	{
		printf("\nValid Choice, square was empty!\n");
	}
	else
	{
		printf("Square being used or invalid number.\n");
	}
return 0;
}

int CheckSquare(int iSquare)
{
	int z = 0;
	for (*iPointer1=1; *iPointer1 <= 3; (*iPointer1)++);
	{
		for (*iPointer2=1; *iPointer2 <= 3; (*iPointer2)++)
		{ 
			z++;
			if (z == iSquare)
			{
				if (cBoard[(*iPointer1)-1][(*iPointer2)-1] == 0)
				{
					printf("EMPTY");
					return 0;
				}
				else
				{	
					printf("\nFULL\n");
					return 1;
				}
			}
		}
	}
printf("I failed..");
}

Here is what happens:

[mag1x@localhost ~]$ ./wtf
Enter a square number <1-9>: 1
EMPTY
Valid Choice, square was empty!
[mag1x@localhost ~]$

It says empty for 1, 2 and 3, but if I enter 4 - 9 it says:

Enter a square number <1-9>: 6
I failed..Square being used or invalid number.
[mag1x@localhost ~]$

[39ster]

It's because you have another "scanf" in the CheckSquare function. You need to enter another number before it will continue.

[pobri19]

Oh hehe silly mistake, was changing around the functions etc, must have missed that one :P But now there is another problem. When enter the number, it say it's being used, even if it isn't.

[manav]

Can you rewrite your CheckSquare?

[pobri19]

Can you rewrite your CheckSquare?

Sure, all fixed, added a more detailed description of the new problem too.

[Relazule]

for (*iPointer2=1; *iPointer2 <= 3; (*iPointer2)++)
		{ 
			z++;
			if (z == iSquare)
			{
				if (cBoard[(*iPointer1)-1][(*iPointer2)-1] == 0)
				{
					printf("EMPTY");
					return 0;
				}
				else
				{	
					printf("\nFULL\n");
					return 1;
				}
			}
		}

The use of "for" in here only counts up to 3 times. If the number entered
exceeds three, it no longer goes through the "EMPTY/FULL check";

A possible solution is to omit the x&y variables and make an array of 9 intergers.