Adding upstream version 3.3.4.upstream/3.3.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 66 insertions, 0 deletions

diff --git a/src/contrib/libngtcp2/ngtcp2/lib/ngtcp2_conversion.c b/src/contrib/libngtcp2/ngtcp2/lib/ngtcp2_conversion.c
new file mode 100644
index 0000000..eb85687
--- /dev/null
+++ b/src/contrib/libngtcp2/ngtcp2/lib/ngtcp2_conversion.c
@@ -0,0 +1,66 @@
+/*
+ * ngtcp2
+ *
+ * Copyright (c) 2023 ngtcp2 contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "ngtcp2_conversion.h"
+
+#include <string.h>
+#include <assert.h>
+
+static void transport_params_copy(int transport_params_version,
+                                  ngtcp2_transport_params *dest,
+                                  const ngtcp2_transport_params *src) {
+  assert(transport_params_version != NGTCP2_TRANSPORT_PARAMS_VERSION);
+
+  switch (transport_params_version) {
+  case NGTCP2_TRANSPORT_PARAMS_V1:
+    memcpy(dest, src,
+           offsetof(ngtcp2_transport_params, version_info_present) +
+               sizeof(src->version_info_present));
+
+    break;
+  }
+}
+
+const ngtcp2_transport_params *
+ngtcp2_transport_params_convert_to_latest(ngtcp2_transport_params *dest,
+                                          int transport_params_version,
+                                          const ngtcp2_transport_params *src) {
+  if (transport_params_version == NGTCP2_TRANSPORT_PARAMS_VERSION) {
+    return src;
+  }
+
+  ngtcp2_transport_params_default(dest);
+
+  transport_params_copy(transport_params_version, dest, src);
+
+  return dest;
+}
+
+void ngtcp2_transport_params_convert_to_old(
+    int transport_params_version, ngtcp2_transport_params *dest,
+    const ngtcp2_transport_params *src) {
+  assert(transport_params_version != NGTCP2_TRANSPORT_PARAMS_VERSION);
+
+  transport_params_copy(transport_params_version, dest, src);
+}