- snprintf(tmpstr, sizeof(tmpstr) - 1, ".%lu", (unsigned long)oid);
- silc_buffer_sstrformat(asn1->stack1, &tmpb, tmpstr, SILC_STR_END);
+ silc_snprintf(tmpstr, sizeof(tmpstr) - 1, ".%lu",
+ (unsigned long)oid);
+ silc_buffer_sstrformat(SILC_ASN1_STACK(stack1, asn1),
+ &tmpb, tmpstr, SILC_STR_END);