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#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <unistd.h>
#include <getopt.h>

//Systems Progamming lab 3
//Cache Lab

// /*
// int main(int argc, char **argv){
// int opt;
// int x;
// int y;
// /* looping over arguments */
// while(-1 != opt = getopt(argc, argv, "x:y"))){
// /* determine which argument it's processing */
// switch(opt) {
// case 'x':
// 	x = atoi(optarg);
// 	break;
// case 'y':
// 	y = atoi(optarg);
// 	break;
// default:
// 	printf("wrong argument \n");
// 	break;
// }
// }
// }
// /*
// Suppose the program executable was called “foo”.
// Then we would call “./foo -x 1 –y 3“ to pass the value 1
// to variable x and 3 to y.
// */
// */

int main(int argc, char **argv) {
    /*
FILE * pFile; //pointer to FILE object
pFile = fopen ("tracefile.txt",“r"); //open file for reading
char identifier;
unsigned address;
int size;
// Reading lines like " M 20,1" or "L 19,3"
while(fscanf(pFile,“ %c %x,%d”, &identifier, &address, &size)>0)
{
// Do stuff
}
fclose(pFile); //remember to close file when done

*/

//reading the file

// FILE *pFile;
// pFile = fopen("address01.txt", "r");
// unsigned cacheAddress;

// while(fscanf(pFile, "%x", &cacheAddress)>0) {

    int opt;
    int m; //The size of address used in the cache (bit)
    int s; //The number of index bits (S = 2s is the number of sets)
    int e; //The number of line bits (E = 2e is the number of lines; associativity)
    int b; //The size of block bits (B = 2b is the block size)
    char i; //A set of addresses (file name)
    char r; //Page Replacement Algorithm – FIFO/Optimal/LRU

    while(-1 != (opt = getopt(argc, argv, "m:s:e:b:i:r"))) {

        switch(opt) {

            case 'm':
            m = atoi(optarg);
            break;

            case 's':
            s = atoi(optarg);
            break;

            case 'e':
            e = atoi(optarg);
            break;

            case 'b':
            b = atoi(optarg);
            break;

            default:
            printf("wrong argument \n")
            break;

            case 'i':
            i = (optarg);
            break;

            case 'r':
            r = (optarg);
            break;
    }
}

//reading the file

FILE *pFile;
pFile = fopen("address01.txt", "r");
unsigned cacheAddress;

unsigned long int set;
unsigned long int tag;

while(fscanf(pFile, "%x", &cacheAddress)>0) {

}







}