printx

printx.c

void printx(char *s, uint8_t *x, int n) {
    char buf[PS];

    for (int i = 0; i < PS; i++){
        if(*s == '%'){
            for(int j = n-1; j >= 0; j--){
                buf[i++%128] = ((*(x+j)>>4)&0xf)[
                    "0123456789ABCDEF"
                ];
                buf[i++%128] = (*(x+j)&0xf)[
                    "0123456789ABCDEF"
                ];
            }
            i--;
        }
        else{
            buf[i] = *s;
        }
        s++;
    }
    puts(buf);
}