From 30b964d3d33a0e9bb17b0d8693316f9fb00328a3 Mon Sep 17 00:00:00 2001
From: James Mudd <james.mudd@ospreycharging.co.uk>
Date: Fri, 13 Dec 2024 18:16:17 +0000
Subject: [PATCH] Fix bug calculating buffer size with non-ascii chars

---
 jhdf/src/main/java/io/jhdf/object/datatype/StringData.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/jhdf/src/main/java/io/jhdf/object/datatype/StringData.java b/jhdf/src/main/java/io/jhdf/object/datatype/StringData.java
index fa204a1b..c6094e07 100644
--- a/jhdf/src/main/java/io/jhdf/object/datatype/StringData.java
+++ b/jhdf/src/main/java/io/jhdf/object/datatype/StringData.java
@@ -167,7 +167,7 @@ public void setBufferLimit(ByteBuffer byteBuffer) {
 	public static StringData create(Object data) {
 		int maxLength = Arrays.stream(Utils.flatten(data))
 			.map(String.class::cast)
-			.mapToInt(String::length)
+			.mapToInt(s -> StandardCharsets.UTF_8.encode(s).limit())
 			.max().getAsInt();
 
 		return new StringData(PaddingType.NULL_TERMINATED, StandardCharsets.UTF_8, maxLength);