From 914f1f9a4217456d512bb0022fcf663909afed69 Mon Sep 17 00:00:00 2001
From: RedCommander735 <40245965+RedCommander735@users.noreply.github.com>
Date: Sun, 27 Jul 2025 04:45:38 +0200
Subject: [PATCH] fix: handle data not padded to 64 in helper function

---
 src/usb_hid.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/usb_hid.rs b/src/usb_hid.rs
index d2e8278..2779113 100644
--- a/src/usb_hid.rs
+++ b/src/usb_hid.rs
@@ -128,6 +128,10 @@ fn write_raw(device: &HidDevice, data: &[u8]) -> Result<()> {
 fn prepend_byte_and_offset(data: &[u8], offset: usize) -> [u8; 65] {
     let mut result: [u8; 65] = [0u8; 65];
     result[1] = 0x0;
-    result[1..].copy_from_slice(&data[offset..offset + 64]);
+    if data.len() - offset < 64 {
+        result[1..].copy_from_slice(&data[offset..]);
+    } else {
+        result[1..].copy_from_slice(&data[offset..offset + 64]);
+    }
     result
 }