Function get_field_values

src/df.c:928–963

Obtain the block values BV and inode values IV from the file system usage FSU. */

/* Obtain the block values BV and inode values IV
   from the file system usage FSU.  */
static void
get_field_values (struct field_values_t *bv,
                  struct field_values_t *iv,
                  const struct fs_usage *fsu)
{
  /* Inode values.  */
  iv->input_units = iv->output_units = 1;
  iv->total = fsu->fsu_files;
  iv->available = iv->available_to_root = fsu->fsu_ffree;
  iv->negate_available = false;

  iv->used = UINTMAX_MAX;
  iv->negate_used = false;
  if (known_value (iv->total) && known_value (iv->available_to_root))
    {
      iv->used = iv->total - iv->available_to_root;
      iv->negate_used = (iv->total < iv->available_to_root);
    }

  /* Block values.  */
  bv->input_units = fsu->fsu_blocksize;
  bv->output_units = output_block_size;
  bv->total = fsu->fsu_blocks;
  bv->available = fsu->fsu_bavail;
  bv->available_to_root = fsu->fsu_bfree;
  bv->negate_available = (fsu->fsu_bavail_top_bit_set
                         && known_value (fsu->fsu_bavail));

  bv->used = UINTMAX_MAX;
  bv->negate_used = false;
  if (known_value (bv->total) && known_value (bv->available_to_root))
    {
      bv->used = bv->total - bv->available_to_root;
      bv->negate_used = (bv->total < bv->available_to_root);
    }
}

/* Add block and inode values to grand total.  */
static void