#include "stdio.h"
#include "stdlib.h"
#include <unistd.h>
#include "prime.h"

int main(int argc, char *argv[])
{
	int number, childNum;

	if (!atoi(argv[1])) {
		printf("Please use a valid integer as an argument!");
		exit(1);
	}

	int pid = fork();

	if (pid == 0) {
		wait(childNum);
		morph(argv[1]);
	}

	else {
		if (childNum == 0) {
			printf("The input number is not a prime number!");
			exit(1);
		}
		else if (childNum == 1) {
			printf("The input number is a prime number!");
			exit(1);
		}
		else if (childNum == 2) {
			printf("Please input a number greater than 2!");
			exit(1);
		}
	}
}

void morph(char *number)
{
	char *primeArgv[] = {
		"isPrime.exe",
		number,
		NULL,
	};

	execvp("isPrime.exe",primeArgv);
}