From 09d3bef0a84715d31ec08f47dd864831e949b4fb Mon Sep 17 00:00:00 2001
From: stelzo <stelzo@steado.de>
Date: Fri, 24 May 2024 16:11:32 +0200
Subject: [PATCH] fix UB in direct copy

---
 rpcl2/src/lib.rs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/rpcl2/src/lib.rs b/rpcl2/src/lib.rs
index 1b7b494..af4c01d 100644
--- a/rpcl2/src/lib.rs
+++ b/rpcl2/src/lib.rs
@@ -687,7 +687,7 @@ impl PointCloud2Msg {
 
                 let bytes_total = vec.len() * point_step as usize;
                 cloud.data.resize(bytes_total, u8::default());
-                let raw_data: *mut C = cloud.data.as_ptr() as *mut C;
+                let raw_data: *mut C = cloud.data.as_mut_ptr() as *mut C;
                 unsafe {
                     core::ptr::copy_nonoverlapping(
                         vec.as_ptr().cast::<u8>(),
@@ -1006,10 +1006,10 @@ impl PointData {
     #[inline]
     fn from_buffer(data: &[u8], offset: usize, datatype: FieldDatatype, endian: Endian) -> Self {
         debug_assert!(data.len() >= offset + datatype.size());
-        let bytes = [u8::default(); core::mem::size_of::<f64>()];
+        let mut bytes = [u8::default(); core::mem::size_of::<f64>()];
         unsafe {
             let data_ptr = data.as_ptr().add(offset);
-            let bytes_ptr = bytes.as_ptr() as *mut u8;
+            let bytes_ptr = bytes.as_mut_ptr() as *mut u8;
             core::ptr::copy_nonoverlapping(data_ptr, bytes_ptr, datatype.size());
         }