+static int
+valsort_parseCtrl(
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ ber_tag_t tag;
+ BerElementBuffer berbuf;
+ BerElement *ber = (BerElement *)&berbuf;
+ ber_int_t flag = 0;
+
+ if ( BER_BVISNULL( &ctrl->ldctl_value )) {
+ rs->sr_text = "valSort control value is absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( BER_BVISEMPTY( &ctrl->ldctl_value )) {
+ rs->sr_text = "valSort control value is empty";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ ber_init2( ber, &ctrl->ldctl_value, 0 );
+ if (( tag = ber_scanf( ber, "{b}", &flag )) == LBER_ERROR ) {
+ rs->sr_text = "valSort control: flag decoding error";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ op->o_ctrlflag[valsort_cid] = ctrl->ldctl_iscritical ?
+ SLAP_CONTROL_CRITICAL : SLAP_CONTROL_NONCRITICAL;
+ if ( flag )
+ op->o_ctrlflag[valsort_cid] |= SLAP_CONTROL_DATA0;
+
+ return LDAP_SUCCESS;
+}
+