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

char MS[1024];
int br_red=0,dr2,dr3,kraj=0,broj=0,suma=0,dat;

void *dretva_dohvati(FILE *u)
{    br_red=0;
        while (fgets(MS,1024,u)!=NULL){
        br_red++;

        while((dr2<=br_red)||(dr3<=br_red)) {}

        }

kraj=1;
MS[0]='\0';
br_red++;
}
void *dretva_broji()
{ int i;
dr2=1;
while (kraj!=1){ while(dr2>br_red) {}

        if (dat==1) {for(i=0;i<strlen(MS);i++)
                        {if (strcmp(&MS[i]," ")==0) broj++;
}}
if (dat==2) {for(i=0;i<strlen(MS);i++)
if ((strcmp(&MS[i],"<")==0)) broj++;
}
dr2++;
}
}

void *dretva_suma()
{ int i;
        dr3=1;
        while(kraj!=1){
        while(dr3>br_red){}
        for(i=0;i<strlen(MS);i++) suma^=MS[i];
dr3++;
}
}
void proces(const char *s,int a)
{
        FILE *ul;
        int id[3];
        m=a;
        dat=a;
        printf("\n datoteka je tipa %d",dat);
        broj=1;
        suma=0;
        ul=fopen(s,"r");
        if (ul==NULL) {printf("nemogu otvoriti");
                        exit(0);}
        pthread_create(&id[0],NULL,dretva_dohvati,ul);
        pthread_create(&id[1],NULL,dretva_broji,NULL);
        pthread_create(&id[2],NULL,dretva_suma,NULL);
        pthread_join(id[0], NULL);
        pthread_join(id[1], NULL);
        pthread_join(id[2], NULL);
fclose(ul);
printf("\n Datotka %s ima %d rijeci i suma iznosi %d \n",s,broj,suma);

}


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

int i,tip,j=0;

        for(i=1;i<argc;i++)
                { if(strcmp(argv[i]+strlen(argv[i])-4,".txt")==0) tip=1;
                  else if(strcmp(argv[i]+strlen(argv[i])-5,".html")==0) tip=2;
                  else tip=3;
switch(tip){
        case 1: j++;fork();proces(argv[i],1);exit(0);break;
        case 2: j++;fork();proces(argv[i],2);exit(0);break;
        case 3:printf("ignoriramo datoteku %s",argv[i]);break;

}

}
for(j=1;j<argc;j++) wait(NULL);

printf("\n %d",broj);
return 0;


}