#define _GNU_SOURCE

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

#include <sys/types.h>
#include <unistd.h>
#include <sys/wait.h>

int rounding(int value)
{
    int sh = 1;
    while(sh<=value)
    {
        sh = sh*2;
        if((sh*2) > value)
        break;
    }
    return sh;
}

char *save_history(char*argv1, char *argv2)
{
    char*temp;
    if (argv1 == NULL) {
        asprintf(&temp, "%s", argv1);
    }
    else {
        asprintf(&temp, "%s %s", argv1, argv2);
    }
    return temp;
}

int IsPowerOfTwo(int value)
{
    if (value ==0 )
    return 0;
    while (value != 1)
    {
        if(value%2 !=0)
            return 0;
        value = value / 2;
    }
    return 0;
}


int main(int argc, char **argv)
{

    //brak argumentu
    if(argc == 1)
        return -1;

    //wielkosc
    size_t a = strlen(argv[1]);

    if(a == 1)
    {
        printf("%s\n", argv[2]);
    }
    else
    {
        pid_t ppid_1, ppid_2;
        ppid_1 = fork();
        if(ppid_1 == 0)
        {
            execlp("./main", "", "1", argv[1], NULL);
            exit(0);
        }
        else{
            ppid_2 = fork();
            if (ppid_2 == 0)
            {
                execlp("./main", "", "1", argv[1], NULL);
                exit(0);
            }
        }
        wait(0);
    }

}