From b41ac209cf65f7a6a0a32c0d93b6ae0e7e4dcb39 Mon Sep 17 00:00:00 2001
From: Jonathan Ellis <jbellis@datastax.com>
Date: Fri, 29 Sep 2023 15:45:32 -0500
Subject: [PATCH] update position correctly after reading fewer than length
 bytes

---
 .../java/io/github/jbellis/jvector/example/util/MMapReader.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jvector-examples/src/main/java/io/github/jbellis/jvector/example/util/MMapReader.java b/jvector-examples/src/main/java/io/github/jbellis/jvector/example/util/MMapReader.java
index 64de04f3d..e62f12969 100644
--- a/jvector-examples/src/main/java/io/github/jbellis/jvector/example/util/MMapReader.java
+++ b/jvector-examples/src/main/java/io/github/jbellis/jvector/example/util/MMapReader.java
@@ -37,7 +37,7 @@ private void read(byte[] bytes, int offset, int count) {
         try {
             buffer.memory().getBytes(position, bytes, offset, count);
         } finally {
-            position += bytes.length;
+            position += count;
         }
     }