From 20252b77bcef114c4d4a9bed571f314fd669c7a3 Mon Sep 17 00:00:00 2001
From: Stefan Eissing <stefan@eissing.org>
Date: Thu, 20 Apr 2023 11:59:52 +0200
Subject: HTTP3/quiche: terminate h1 response header when no body is sent

- fixes a failure in test2501 where a response without body was missing
  the final empty line

Closes #11003
---
 lib/vquic/curl_quiche.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/vquic/curl_quiche.c b/lib/vquic/curl_quiche.c
index 6f2736d66..1a6838b01 100644
--- a/lib/vquic/curl_quiche.c
+++ b/lib/vquic/curl_quiche.c
@@ -527,6 +527,12 @@ static CURLcode h3_process_event(struct Curl_cfilter *cf,
 
   case QUICHE_H3_EVENT_FINISHED:
     DEBUGF(LOG_CF(data, cf, "[h3sid=%"PRId64"][FINISHED]", stream3_id));
+    if(!stream->resp_hds_complete) {
+      result = write_resp_raw(cf, data, "\r\n", 2);
+      if(result)
+        return result;
+      stream->resp_hds_complete = TRUE;
+    }
     stream->closed = TRUE;
     streamclose(cf->conn, "End of stream");
     break;
-- 
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