#include "bit_utils.hh"

int get_bit(istream& myin) { 
/* return the next bit of the input, -1 if EOF */ 
    static char bits = 0; 
    static int count = 8;  /* number of bits already sent from "bits" */ 
    if (count == 8) { 
		if (!myin.get(bits)) return -1; 
		count = 0; 
    } 
    return ((bits >> (count++)) & 1); 
} 
 
static int p_bits = 0; 
static int p_count = 0;  /* number of bits currently in p_bits */ 
void put_bit(ostream& myout, int b) { 
/* puts bit b into the output */ 
    p_bits |= (b << p_count); 
    p_count++; 
    if (p_count == 8) { 
		myout.put(p_bits); 
		p_count = 0; 
		p_bits = 0; 
    } 
} 
 
void put_finish(ostream& myout) { 
/* puts out the remaining byte */ 
    if (p_count != 0) myout.put(p_bits); 
}