- if (SSL3_BUFFER_get_left(wb) != 0) {
- OPENSSL_assert(0); /* XDTLS: want to see if we ever get here */
- return ssl3_write_pending(s, type, buf, len, written);
+ if (!ossl_assert(SSL3_BUFFER_get_left(wb) == 0)) {
+ SSLerr(SSL_F_DO_DTLS1_WRITE, ERR_R_INTERNAL_ERROR);
+ return 0;