comment about \0

Signed-off-by: Dan Zhang <danzh@google.com>
envoyproxy · Mar 23, 2021 · c31225b · c31225b
1 parent 3c02978
commit c31225b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/source/extensions/quic_listeners/quiche/envoy_quic_utils.h b/source/extensions/quic_listeners/quiche/envoy_quic_utils.h
@@ -61,6 +61,7 @@ std::unique_ptr<T> spdyHeaderBlockToEnvoyHeaders(const spdy::SpdyHeaderBlock& he
   for (auto entry : header_block) {
     // TODO(danzh): Avoid temporary strings and addCopy() with string_view.
     std::string key(entry.first);
+    // QUICHE coalesces mulitple trailer values with the same key with '\0'.
     std::vector<absl::string_view> values = absl::StrSplit(entry.second, '\0');
     for (const absl::string_view& value : values) {
       headers->addCopy(Http::LowerCaseString(key), value);