73 lines
1.3 KiB
Rust
73 lines
1.3 KiB
Rust
// Copyright 2019 The Fuchsia Authors
|
|
//
|
|
// Licensed under a BSD-style license <LICENSE-BSD>, Apache License, Version 2.0
|
|
// <LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0>, or the MIT
|
|
// license <LICENSE-MIT or https://opensource.org/licenses/MIT>, at your option.
|
|
// This file may not be copied, modified, or distributed except according to
|
|
// those terms.
|
|
|
|
#[macro_use]
|
|
extern crate zerocopy;
|
|
|
|
#[path = "../util.rs"]
|
|
mod util;
|
|
|
|
use self::util::AU16;
|
|
use std::mem::ManuallyDrop;
|
|
|
|
fn main() {}
|
|
|
|
//
|
|
// AsBytes errors
|
|
//
|
|
|
|
#[derive(AsBytes)]
|
|
#[repr(C)]
|
|
union AsBytes1<T> {
|
|
foo: ManuallyDrop<T>,
|
|
}
|
|
|
|
#[derive(AsBytes)]
|
|
#[repr(C)]
|
|
union AsBytes2 {
|
|
foo: u8,
|
|
bar: [u8; 2],
|
|
}
|
|
|
|
//
|
|
// Unaligned errors
|
|
//
|
|
|
|
#[derive(Unaligned)]
|
|
#[repr(C, align(2))]
|
|
union Unaligned1 {
|
|
foo: i16,
|
|
bar: AU16,
|
|
}
|
|
|
|
// Transparent unions are unstable; see issue #60405
|
|
// <https://github.com/rust-lang/rust/issues/60405> for more information.
|
|
|
|
// #[derive(Unaligned)]
|
|
// #[repr(transparent, align(2))]
|
|
// union Unaligned2 {
|
|
// foo: u8,
|
|
// }
|
|
|
|
#[derive(Unaligned)]
|
|
#[repr(packed, align(2))]
|
|
union Unaligned3 {
|
|
foo: u8,
|
|
}
|
|
|
|
#[derive(Unaligned)]
|
|
#[repr(align(1), align(2))]
|
|
struct Unaligned4 {
|
|
foo: u8,
|
|
}
|
|
|
|
#[derive(Unaligned)]
|
|
#[repr(align(2), align(4))]
|
|
struct Unaligned5 {
|
|
foo: u8,
|
|
}
|