made time2str() use longs internally instead to prevent compiler warnings

   byte) */

static void time2str(char *r, long t)

{

  int h;

  long h;

  if(!t) {

    strcpy(r, "--:--:--");

    return;

  }

  h = (t/3600);

  if(h <= 99) {

    int m = (t-(h*3600))/60;

    int s = (t-(h*3600)-(m*60));

    sprintf(r, "%2d:%02d:%02d",h,m,s);

    long m = (t-(h*3600))/60;

    long s = (t-(h*3600)-(m*60));

    sprintf(r, "%2ld:%02ld:%02ld",h,m,s);

  }

  else {

    /* this equals to more than 99 hours, switch to a more suitable output

       format to fit within the limits. */

    if(h/24 <= 999)

      sprintf(r, "%3dd %02dh", h/24, h-(h/24)*24);

      sprintf(r, "%3ldd %02ldh", h/24, h-(h/24)*24);

    else

      sprintf(r, "%7dd", h/24);

      sprintf(r, "%7ldd", h/24);

  }

}