From e90c4397c8f522e8e395707f3aba0f201e41a1c7 Mon Sep 17 00:00:00 2001
From: Viktor Szakats <commit@vsz.me>
Date: Sun, 26 Jul 2026 16:57:51 +0200
Subject: [PATCH] vquic: silence `-Wmissing-field-initializers` for
 nghttp3/ngtcp2 callback tables

To avoid a breakage in CI and curl-for-win builds on upstream updates
extending the callback lists. Each such breakage needed patching curl,
rolling these patches into curl-for-win, and doing it in near real-time,
to keep CI and builds working (and still causing some red CI jobs).

Bring calmness here by suppressing the warnings and allowing time to
extend the callback tables as/if needed and at a convenient moment.

Closes #22400
---
 lib/vquic/cf-ngtcp2-cmn.c   | 7 +++++++
 lib/vquic/cf-ngtcp2-proxy.c | 7 +++++++
 lib/vquic/cf-ngtcp2.c       | 7 +++++++
 3 files changed, 21 insertions(+)

diff --git a/lib/vquic/cf-ngtcp2-cmn.c b/lib/vquic/cf-ngtcp2-cmn.c
index e6efd2bd64..c474fdbdc5 100644
--- a/lib/vquic/cf-ngtcp2-cmn.c
+++ b/lib/vquic/cf-ngtcp2-cmn.c
@@ -546,6 +546,10 @@ static int cb_recv_rx_key(ngtcp2_conn *tconn, ngtcp2_encryption_level level,
   return 0;
 }
 
+#ifdef CURL_HAVE_DIAG
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
+#endif
 static ngtcp2_callbacks ng_callbacks = {
   ngtcp2_crypto_client_initial_cb,
   NULL, /* recv_client_initial */
@@ -600,6 +604,9 @@ static ngtcp2_callbacks ng_callbacks = {
   NULL, /* recv_stop_sending */
 #endif
 };
+#ifdef CURL_HAVE_DIAG
+#pragma GCC diagnostic pop
+#endif
 
 #if defined(_MSC_VER) && defined(_DLL)
 #pragma warning(pop)
diff --git a/lib/vquic/cf-ngtcp2-proxy.c b/lib/vquic/cf-ngtcp2-proxy.c
index 2592b05dab..ec6de93368 100644
--- a/lib/vquic/cf-ngtcp2-proxy.c
+++ b/lib/vquic/cf-ngtcp2-proxy.c
@@ -601,6 +601,10 @@ static nghttp3_ssize cb_h3_tunnel_read_data(nghttp3_conn *conn,
   return (nghttp3_ssize)nvecs;
 }
 
+#ifdef CURL_HAVE_DIAG
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
+#endif
 static nghttp3_callbacks ngh3_proxy_callbacks = {
   cb_h3_proxy_acked_req_body, /* acked_stream_data */
   cb_h3_proxy_stream_close,
@@ -629,6 +633,9 @@ static nghttp3_callbacks ngh3_proxy_callbacks = {
   NULL, /* stream_close2 */
 #endif
 };
+#ifdef CURL_HAVE_DIAG
+#pragma GCC diagnostic pop
+#endif
 
 static CURLcode cf_ngtcp2_proxy_h3_init(struct Curl_cfilter *cf,
                                         struct Curl_easy *data,
diff --git a/lib/vquic/cf-ngtcp2.c b/lib/vquic/cf-ngtcp2.c
index 9a2b64f235..4d5c122183 100644
--- a/lib/vquic/cf-ngtcp2.c
+++ b/lib/vquic/cf-ngtcp2.c
@@ -386,6 +386,10 @@ static int cb_h3_reset_stream(nghttp3_conn *conn, int64_t stream_id,
   return 0;
 }
 
+#ifdef CURL_HAVE_DIAG
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
+#endif
 static nghttp3_callbacks ngh3_callbacks = {
   cb_h3_acked_req_body, /* acked_stream_data */
   cb_h3_stream_close,
@@ -414,6 +418,9 @@ static nghttp3_callbacks ngh3_callbacks = {
   NULL, /* stream_close2 */
 #endif
 };
+#ifdef CURL_HAVE_DIAG
+#pragma GCC diagnostic pop
+#endif
 
 static CURLcode init_ngh3_conn(struct Curl_cfilter *cf,
                                struct Curl_easy *data,