static int
dbdxst_bind_params(SV *sth, imp_sth_t *imp_sth, I32 items, I32 ax)
{
    /* Handle binding supplied values to placeholders.		*/
    /* items = one greater than the number of params		*/
    /* ax = ax from calling sub, maybe adjusted to match items	*/
    dTHX;
    int i;
    SV *idx;
    if (items-1 != DBIc_NUM_PARAMS(imp_sth)
	&& DBIc_NUM_PARAMS(imp_sth) != DBIc_NUM_PARAMS_AT_EXECUTE
    ) {
	char errmsg[99];
        /* clear any previous ParamValues before error is generated */
        SV **svp = hv_fetch((HV*)DBIc_MY_H(imp_sth),"ParamValues",11,FALSE);
        if (svp && SvROK(*svp) && SvTYPE(SvRV(*svp)) == SVt_PVHV) {
            HV *hv = (HV*)SvRV(*svp);
            hv_clear(hv);
        }
	sprintf(errmsg,"called with %d bind variables when %d are needed",
		(int)items-1, DBIc_NUM_PARAMS(imp_sth));
        DBIh_SET_ERR_CHAR(sth, (imp_xxh_t*)imp_sth, "-1", -1, errmsg, Nullch, Nullch);
	return 0;
    }