+
+/*
+ * check for critical client controls and bitch if present
+ * if we ever support critical controls, we'll have to
+ * find a means for maintaining per API call control
+ * information.
+ */
+int ldap_int_client_controls( LDAP *ld, LDAPControl **ctrls )
+{
+ LDAPControl *const *c;
+
+ assert( ld != NULL );
+ assert( LDAP_VALID(ld) );
+
+ if( ctrls == NULL ) {
+ /* use default server controls */
+ ctrls = ld->ld_cctrls;
+ }
+
+ if( ctrls == NULL || *ctrls == NULL ) {
+ return LDAP_SUCCESS;
+ }
+
+ for( c = ctrls ; *c != NULL; c++ ) {
+ if( (*c)->ldctl_iscritical ) {
+ ld->ld_errno = LDAP_NOT_SUPPORTED;
+ return ld->ld_errno;
+ }
+ }
+
+ return LDAP_SUCCESS;
+}