/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
U T I L I T I E S
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#include "include/utilities.h"

int
convertToBits(BYTE *x, int xBitLength, int bitsNeeded, int *num_0s, int *num_1s, int *bitsRead, BitSequence* epsilon)
{
	int		i, j, count, bit;
	BYTE	mask;
	int		zeros, ones;

	count = 0;
	zeros = ones = 0;
	for ( i=0; i<(xBitLength+7)/8; i++ ) {
		mask = 0x80;
		for ( j=0; j<8; j++ ) {
			if ( *(x+i) & mask ) {
				bit = 1;
				(*num_1s)++;
				ones++;
			}
			else {
				bit = 0;
				(*num_0s)++;
				zeros++;
			}
			mask >>= 1;
			epsilon[*bitsRead] = bit;
			(*bitsRead)++;
			if ( *bitsRead == bitsNeeded )
				return 1;
			if ( ++count == xBitLength )
				return 0;
		}
	}
	
	return 0;
}