| // Copyright 2012 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| #![deny(improper_ctypes)] |
| #![feature(libc)] |
| |
| extern crate libc; |
| |
| use std::marker::PhantomData; |
| |
| trait Mirror { type It: ?Sized; } |
| impl<T: ?Sized> Mirror for T { type It = Self; } |
| #[repr(C)] |
| pub struct StructWithProjection(*mut <StructWithProjection as Mirror>::It); |
| #[repr(C)] |
| pub struct StructWithProjectionAndLifetime<'a>( |
| &'a mut <StructWithProjectionAndLifetime<'a> as Mirror>::It |
| ); |
| pub type I32Pair = (i32, i32); |
| #[repr(C)] |
| pub struct ZeroSize; |
| pub type RustFn = fn(); |
| pub type RustBadRet = extern fn() -> Box<u32>; |
| pub type CVoidRet = (); |
| pub struct Foo; |
| #[repr(transparent)] |
| pub struct TransparentI128(i128); |
| #[repr(transparent)] |
| pub struct TransparentStr(&'static str); |
| #[repr(transparent)] |
| pub struct TransparentBadFn(RustBadRet); |
| #[repr(transparent)] |
| pub struct TransparentInt(u32); |
| #[repr(transparent)] |
| pub struct TransparentRef<'a>(&'a TransparentInt); |
| #[repr(transparent)] |
| pub struct TransparentLifetime<'a>(*const u8, PhantomData<&'a ()>); |
| #[repr(transparent)] |
| pub struct TransparentUnit<U>(f32, PhantomData<U>); |
| #[repr(transparent)] |
| pub struct TransparentCustomZst(i32, ZeroSize); |
| |
| #[repr(C)] |
| pub struct ZeroSizeWithPhantomData(::std::marker::PhantomData<i32>); |
| |
| extern { |
| pub fn ptr_type1(size: *const Foo); //~ ERROR: uses type `Foo` |
| pub fn ptr_type2(size: *const Foo); //~ ERROR: uses type `Foo` |
| pub fn slice_type(p: &[u32]); //~ ERROR: uses type `[u32]` |
| pub fn str_type(p: &str); //~ ERROR: uses type `str` |
| pub fn box_type(p: Box<u32>); //~ ERROR uses type `std::boxed::Box<u32>` |
| pub fn char_type(p: char); //~ ERROR uses type `char` |
| pub fn i128_type(p: i128); //~ ERROR uses type `i128` |
| pub fn u128_type(p: u128); //~ ERROR uses type `u128` |
| pub fn trait_type(p: &Clone); //~ ERROR uses type `dyn std::clone::Clone` |
| pub fn tuple_type(p: (i32, i32)); //~ ERROR uses type `(i32, i32)` |
| pub fn tuple_type2(p: I32Pair); //~ ERROR uses type `(i32, i32)` |
| pub fn zero_size(p: ZeroSize); //~ ERROR struct has no fields |
| pub fn zero_size_phantom(p: ZeroSizeWithPhantomData); //~ ERROR composed only of PhantomData |
| pub fn zero_size_phantom_toplevel() |
| -> ::std::marker::PhantomData<bool>; //~ ERROR: composed only of PhantomData |
| pub fn fn_type(p: RustFn); //~ ERROR function pointer has Rust-specific |
| pub fn fn_type2(p: fn()); //~ ERROR function pointer has Rust-specific |
| pub fn fn_contained(p: RustBadRet); //~ ERROR: uses type `std::boxed::Box<u32>` |
| pub fn transparent_i128(p: TransparentI128); //~ ERROR: uses type `i128` |
| pub fn transparent_str(p: TransparentStr); //~ ERROR: uses type `str` |
| pub fn transparent_fn(p: TransparentBadFn); //~ ERROR: uses type `std::boxed::Box<u32>` |
| |
| pub fn good3(fptr: Option<extern fn()>); |
| pub fn good4(aptr: &[u8; 4 as usize]); |
| pub fn good5(s: StructWithProjection); |
| pub fn good6(s: StructWithProjectionAndLifetime); |
| pub fn good7(fptr: extern fn() -> ()); |
| pub fn good8(fptr: extern fn() -> !); |
| pub fn good9() -> (); |
| pub fn good10() -> CVoidRet; |
| pub fn good11(size: isize); |
| pub fn good12(size: usize); |
| pub fn good13(n: TransparentInt); |
| pub fn good14(p: TransparentRef); |
| pub fn good15(p: TransparentLifetime); |
| pub fn good16(p: TransparentUnit<ZeroSize>); |
| pub fn good17(p: TransparentCustomZst); |
| #[allow(improper_ctypes)] |
| pub fn good18(_: &String); |
| } |
| |
| #[allow(improper_ctypes)] |
| extern { |
| pub fn good19(_: &String); |
| } |
| |
| #[cfg(not(target_arch = "wasm32"))] |
| extern { |
| pub fn good1(size: *const libc::c_int); |
| pub fn good2(size: *const libc::c_uint); |
| } |
| |
| fn main() { |
| } |