// Copyright 2019 The Fuchsia Authors // // Licensed under a BSD-style license , Apache License, Version 2.0 // , or the MIT // license , 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 zerocopy::KnownLayout; use self::util::AU16; fn main() {} // // KnownLayout errors // struct NotKnownLayout; struct NotKnownLayoutDst([u8]); // | `repr(C)`? | generic? | `KnownLayout`? | `Sized`? | Type Name | // | N | N | N | N | KL00 | #[derive(KnownLayout)] struct KL00(u8, NotKnownLayoutDst); // | `repr(C)`? | generic? | `KnownLayout`? | `Sized`? | Type Name | // | N | N | Y | N | KL02 | #[derive(KnownLayout)] struct KL02(u8, [u8]); // | `repr(C)`? | generic? | `KnownLayout`? | `Sized`? | Type Name | // | Y | N | N | N | KL08 | #[derive(KnownLayout)] #[repr(C)] struct KL08(u8, NotKnownLayoutDst); // | `repr(C)`? | generic? | `KnownLayout`? | `Sized`? | Type Name | // | Y | N | N | Y | KL09 | #[derive(KnownLayout)] #[repr(C)] struct KL09(NotKnownLayout, NotKnownLayout); // // AsBytes errors // #[derive(AsBytes)] #[repr(C)] struct AsBytes1(T); #[derive(AsBytes)] #[repr(C)] struct AsBytes2 { foo: u8, bar: AU16, } #[derive(AsBytes)] #[repr(C, packed(2))] struct AsBytes3 { foo: u8, // We'd prefer to use AU64 here, but you can't use aligned types in // packed structs. bar: u64, } // // Unaligned errors // #[derive(Unaligned)] #[repr(C, align(2))] struct Unaligned1; #[derive(Unaligned)] #[repr(transparent, align(2))] struct Unaligned2 { foo: u8, } #[derive(Unaligned)] #[repr(packed, align(2))] struct Unaligned3; #[derive(Unaligned)] #[repr(align(1), align(2))] struct Unaligned4; #[derive(Unaligned)] #[repr(align(2), align(4))] struct Unaligned5;