mevent.c

/*
 * Copyright (C) 2014  Tomasz Kramkowski <tk@the-tk.com>
 *
 * This program is free software. It is licensed under version 3 of the
 * GNU General Public License.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see [http://www.gnu.org/licenses/].
 */

#include <stdio.h>
#include <stdlib.h>

#define B2BP "%d%d%d%d%d%d%d%d"
#define B2B(byte)  \
    (byte & 0x80 ? 1 : 0), \
    (byte & 0x40 ? 1 : 0), \
    (byte & 0x20 ? 1 : 0), \
    (byte & 0x10 ? 1 : 0), \
    (byte & 0x08 ? 1 : 0), \
    (byte & 0x04 ? 1 : 0), \
    (byte & 0x02 ? 1 : 0), \
    (byte & 0x01 ? 1 : 0)

int main(int argc, char **argv)
{
    signed char *c=malloc(3*sizeof(char)), i;
    while(1){
        for(i=0; i<3; i++)
            c[i] = getchar();
        printf("%2x %2x %2x ", (unsigned char)c[0], (unsigned char)c[1], (unsigned char)c[2]);
        printf(": "B2BP B2BP B2BP" ", B2B(c[0]), B2B(c[1]), B2B(c[2]));
        printf(": %d %d %d\n", (signed char)c[0], (signed char)c[1], (signed char)c[2]);
    }
    return 0;
}