more smaller fixes

Signed-off-by: Narfinger <[email protected]>

Author: Narfinger

src/ipc.rs

@@ -700,6 +700,7 @@ impl IpcSharedMemoryVec {
     }
 }
 
+#[derive(Clone)]
 pub struct IpcSharedMemoryReader(OsIpcSharedMemoryVec);
 
 impl IpcSharedMemoryReader {

src/platform/unix/mod.rs

@@ -907,11 +907,7 @@ impl OsIpcSharedMemoryVec {
                 self.store.fd,
                 0,
             );
-            ptr::copy_nonoverlapping(
-                bytes.as_ptr(),
-                self.ptr.byte_offset(self.length as isize),
-                bytes.len(),
-            );
+            ptr::copy_nonoverlapping(bytes.as_ptr(), address as *mut u8, bytes.len());
             OsIpcSharedMemoryIndex {
                 offset: self.length,
                 length: bytes.len(),