From 8affef106171f88060d8c91825cc170ed685c44c Mon Sep 17 00:00:00 2001
From: Tatsuhiro Tsujikawa <tatsuhiro.t@gmail.com>
Date: Sun, 24 Jan 2021 15:56:48 +0900
Subject: [PATCH] Follow ngtcp2_conn_writev_stream specification change

---
 src/h2load_quic.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/h2load_quic.cc b/src/h2load_quic.cc
index daae278d..86c85a4f 100644
--- a/src/h2load_quic.cc
+++ b/src/h2load_quic.cc
@@ -593,10 +593,10 @@ int Client::write_quic() {
 
       quic.last_error = quic::err_transport(nwrite);
       return -1;
+    } else if (ndatalen > 0 && s->add_write_offset(stream_id, ndatalen) != 0) {
+      return -1;
     }
 
-    assert(ndatalen == -1);
-
     quic_restart_pkt_timer();
 
     if (nwrite == 0) {