#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <sys/wait.h>
#include <sys/types.h>
int main(int argc, char *argv[]){
	char * x = argv[1];
	char * show;
	char * show2;
	char * first;
	char * second;
	int status;
	int status2;
	int proc_f;
	int proc_s;
	int counter = 0;
	if(20 <= strlen(argv[1]) || argc != 2){
		printf("Nieprawidlowe wywolanie\n");
		return 1;
		}
	else if(strlen(argv[1]) == 1){
		return x[0];
		}
	if((strlen(argv[1]) % 2) == 0){
		int half = strlen(argv[1])/2;
		show =  malloc(sizeof(char)*21);
		first = malloc(sizeof(char)*(half+1));
		second = malloc(sizeof(char)*(half+1));
			for(int i = 0; i<half ; i++){
			first[i] = x[i];
			}
			for(int i = half ; i<strlen(argv[1]) ; i++){
			second[counter] = x[i];
			counter++;
			}
	}
	else{
		int half = (int)strlen(argv[1])/2;
		first = malloc(sizeof(char)*(half+1));
		second = malloc(sizeof(char)*(half+2));
		show = malloc(sizeof(char)*21);
		for(int i = 0; i<half  ; i++){
			first[i] = x[i];
		}
		counter = 0;
		for(int i = half ; i<strlen(argv[1]) ; i++){
			second[counter] = x[i];
			counter++;
		}
 	}


 proc_f = fork();
  if(proc_f == 0){
    show = first;
		status = execlp("./skrypt", "./skrypt", show, NULL);
		fprintf(stderr, "exec failed: %s\n" , strerror(errno));
		return 1;
  }
  if(proc_f > 0){
    proc_s = fork();
    if(proc_s == 0){
      show2 = second;
		status = execlp("./skrypt","./skrypt", show2, NULL);
		fprintf(stderr, "exec failed: %s\n" , strerror(errno));
		return 1;
    }
    else if(proc_s > 0){
	show = first;
	show2 = second;

    int child = waitpid(proc_f,&status,0);
	printf("%d    %d     %s    %c\n",getpid(),  child ,show, (char)WEXITSTATUS(status));
	int child2 = waitpid(proc_s,&status2,0);



	printf("%d    %d     %s    %c\n",getpid(),  child2 ,show2, (char)WEXITSTATUS(status2));
	return (char)WEXITSTATUS(status2) ;
    }

}
	return 0;
}