Munoon commented on code in PR #1483:
URL: https://github.com/apache/incubator-fury/pull/1483#discussion_r1558960787


##########
java/fury-core/src/main/java/org/apache/fury/io/FuryReadableChannel.java:
##########
@@ -128,21 +128,21 @@ public void readToUnsafe(Object target, long 
targetPointer, int numBytes) {
 
   @Override
   public void readToByteBuffer(ByteBuffer dst, int length) {
-    readToByteBuffer0(dst, length);
+    MemoryBuffer buf = memoryBuffer;
+    int remaining = buf.remaining();
+    if (remaining < length) {
+      remaining += fillBuffer(length - remaining);
+    }
+    buf.read(dst, remaining);
   }
 
   @Override
   public int readToByteBuffer(ByteBuffer dst) {
-    return readToByteBuffer0(dst, dst.remaining());
-  }
-
-  private int readToByteBuffer0(ByteBuffer dst, int length) {
     MemoryBuffer buf = memoryBuffer;
     int remaining = buf.remaining();
-    if (remaining < length) {
-      remaining += fillBuffer(length - remaining);
+    if (remaining > 0) {
+      buf.read(dst, remaining);

Review Comment:
   Fine, so we are expecting the the `ByteBuffer dst` have already set up the 
correct limit before invoking this method.



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