Function xo_default

tools/libxo/libxo/libxo.c:688–698

* Cheap convenience function to return either the argument, or * the internal handle, after it has been initialized. The usage * is: * xop = xo_default(xop); */

 *    xop = xo_default(xop);
 */
static xo_handle_t *
xo_default (xo_handle_t *xop)
{
    if (xop == NULL) {
	if (xo_default_inited == 0)
	    xo_default_init();
	xop = &xo_default_handle;
    }

    return xop;
}

/*
 * Return the number of spaces we should be indenting.  If