Function csv_path_top

tools/libxo/encoder/csv/enc_csv.c:225–237

* Return the element name at the top of the path stack. This is the * item that we are currently trying to match on. */

 * item that we are currently trying to match on.
 */
static const char *
csv_path_top (csv_private_t *csv, ssize_t delta)
{
    if (!(csv->c_flags & CF_HAS_PATH) || csv->c_path == NULL)
	return NULL;

    ssize_t cur = csv->c_path_cur + delta;

    if (cur < 0)
	return NULL;

    return csv->c_path[cur].pf_name;
}

/*
 * Underimplemented stack functionality