button: Add const qualifiers where needed

2019-08-16 17:59:43 +00:00
parent 4e9a8e4afe
commit a64bff6aab
4 changed files with 7 additions and 7 deletions
--- a/src/layout.rs
+++ b/src/layout.rs
@ -263,9 +263,9 @@ pub mod c {
    #[no_mangle]
    pub extern "C"
    fn squeek_button_get_key(
-        button: *mut ::layout::Button
+        button: *const ::layout::Button
    ) -> ::keyboard::c::CKeyState {
-        let button = unsafe { &mut *button };
+        let button = unsafe { &*button };
        ::keyboard::c::CKeyState::wrap(button.state.clone())
    }