From 98410e25597329d61d4c51821a21ae070d0ee731 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=96mer=20Sinan=20A=C4=9Facan?= <omersa@google.com>
Date: Tue, 24 Oct 2023 15:24:57 +0200
Subject: [PATCH] Avoid intermediate Uint8List

---
 .../lib/src/protobuf/coded_buffer_writer.dart | 20 +++++--------------
 1 file changed, 5 insertions(+), 15 deletions(-)

diff --git a/protobuf/lib/src/protobuf/coded_buffer_writer.dart b/protobuf/lib/src/protobuf/coded_buffer_writer.dart
index 58656be6..4e5dfaa5 100644
--- a/protobuf/lib/src/protobuf/coded_buffer_writer.dart
+++ b/protobuf/lib/src/protobuf/coded_buffer_writer.dart
@@ -152,21 +152,11 @@ class CodedBufferWriter {
             final leftInChunk = bytesInChunk - chunkPos;
             final bytesToCopyFromChunk =
                 leftInChunk > bytesToCopy ? bytesToCopy : leftInChunk;
-            final endPos = chunkPos + bytesToCopyFromChunk;
-
-            if (bytesToCopyFromChunk <= 20) {
-              while (chunkPos < endPos) {
-                buffer[outPos++] = chunk[chunkPos++];
-              }
-              bytesToCopy -= bytesToCopyFromChunk;
-            } else {
-              final chunkSlice = Uint8List.sublistView(chunk, chunkPos, endPos);
-              buffer.setRange(
-                  outPos, outPos + bytesToCopyFromChunk, chunkSlice);
-              chunkPos += bytesToCopyFromChunk;
-              outPos += bytesToCopyFromChunk;
-              bytesToCopy -= bytesToCopyFromChunk;
-            }
+            buffer.setRange(
+                outPos, outPos + bytesToCopyFromChunk, chunk, chunkPos);
+            chunkPos += bytesToCopyFromChunk;
+            outPos += bytesToCopyFromChunk;
+            bytesToCopy -= bytesToCopyFromChunk;
 
             // Move to the next chunk if the current one is exhausted.
             if (chunkPos == bytesInChunk) {