Function xo_write

tools/libxo/libxo/libxo.c:911–929

* Write the current contents of the data buffer using the handle's * xo_write function. */

 * xo_write function.
 */
static ssize_t
xo_write (xo_handle_t *xop)
{
    ssize_t rc = 0;
    xo_buffer_t *xbp = &xop->xo_data;

    if (xbp->xb_curp != xbp->xb_bufp) {
	xo_buf_append(xbp, "", 1); /* Append ending NUL */
	xo_anchor_clear(xop);
	if (xop->xo_write)
	    rc = xop->xo_write(xop->xo_opaque, xbp->xb_bufp);
	xbp->xb_curp = xbp->xb_bufp;
    }

    /* Turn off the flags that don't survive across writes */
    XOIF_CLEAR(xop, XOIF_UNITS_PENDING);

    return rc;
}

/*
 * Format arguments into our buffer.  If a custom formatter has been set,