steganografia

#include <iostream>
#include <cstdlib>

using namespace std;


int BinToDec(string number)
{
    int result = 0, pow = 1;
    for ( int i = number.length() - 1; i >= 0; --i, pow <<= 1 )
        result += (number[i] - '0') * pow;

    return result;
}

int main()
{
    int znak;
    FILE *plik = fopen( "bash2.txt", "r" );

    string sBits = "";
    bool prevSpace = false;

    int i = 0;
    znak = getc( plik );
    while( znak != EOF && i < 16 )
    {
        znak = getc( plik );

        if(znak != ' ')
        {
            if(prevSpace == true)
            {
                // mamy zero
                i++;
                sBits += "0";
            }
        }
        else
        {
            if(prevSpace == true)
            {
                //mamy jedynke
                i++;
                sBits += "1";
                prevSpace = false;
                continue;
            }
        }

        if(znak == ' ')
        {
            prevSpace = true;
        }
        else
        {
            prevSpace = false;
        }
    }

    int ilosc_bitow = BinToDec(sBits);

    cout << sBits << endl;
    cout << "ilosc bitow: " << ilosc_bitow << endl;

    int ilosc_znakow = ilosc_bitow / 8;

    cout << "ilosc znakow: " << ilosc_znakow << endl;

    for(int x = 0; x < ilosc_znakow; x++)
    {
        i = 0;
        sBits = "";
        prevSpace = false;
        //znak = getc( plik );
        while( znak != EOF && i < 8 )
        {
            znak = getc( plik );

            if(znak != ' ')
            {
                if(prevSpace == true)
                {
                    // mamy zero
                    i++;
                    sBits += "0";
                }
            }
            else
            {
                if(prevSpace == true)
                {
                    //mamy jedynke
                    i++;
                    sBits += "1";
                    prevSpace = false;
                    continue;
                }
            }

            if(znak == ' ')
            {
                prevSpace = true;
            }
            else
            {
                prevSpace = false;
            }
        }
        char nextChar = static_cast<char>(BinToDec(sBits));

        cout << nextChar;
    }


    fclose( plik );

    return 0;
}