buffer: Properly apply offset on fast path

nodejs · Aug 15, 2024 · e708a48 · e708a48
1 parent ccf05ef
commit e708a48
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/node_buffer.cc b/src/node_buffer.cc
@@ -1481,7 +1481,7 @@ uint32_t FastWriteString(Local<Value> receiver,
 
   max_length = std::min<uint32_t>(dst.length() - offset, max_length);
 
-  memcpy(dst_data, src.data, max_length);
+  memcpy(dst_data + offset, src.data, max_length);
 
   return max_length;
 }