+#ifdef OPENSSL_IS_BORINGSSL
+ num = sk_num(CHECKED_CAST(_STACK *, STACK_OF(AttrOrOID) *,
+ csrattrs->attrs));
+ for (i = 0; i < num; i++) {
+ AttrOrOID *ao = sk_value(
+ CHECKED_CAST(_STACK *, const STACK_OF(AttrOrOID) *,
+ csrattrs->attrs), i);
+ switch (ao->type) {
+ case 0:
+ add_csrattrs_oid(ctx, ao->d.oid, exts);
+ break;
+ case 1:
+ add_csrattrs_attr(ctx, ao->d.attribute, exts);
+ break;
+ }
+ }
+#else /* OPENSSL_IS_BORINGSSL */