Function compute_number_width

src/wc.c:757–788

   get_input_fstatus optimizes.  */

ATTRIBUTE_PURE
static int
compute_number_width (idx_t nfiles, struct fstatus const *fstatus)
{
  int width = 1;

  if (0 < nfiles && fstatus[0].failed <= 0)
    {
      int minimum_width = 1;
      uintmax_t regular_total = 0;

      for (idx_t i = 0; i < nfiles; i++)
        if (! fstatus[i].failed)
          {
            if (!S_ISREG (fstatus[i].st.st_mode))
              minimum_width = 7;
            else if (ckd_add (&regular_total, regular_total,
                              fstatus[i].st.st_size))
              {
                regular_total = UINTMAX_MAX;
                break;
              }
          }

      for (; 10 <= regular_total; regular_total /= 10)
        width++;
      if (width < minimum_width)
        width = minimum_width;
    }

  return width;
}


int