| // Copyright 2014 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. |
| |
| // Test a foreign function that accepts empty struct. |
| |
| // pretty-expanded FIXME #23616 |
| // ignore-msvc |
| // ignore-emscripten emcc asserts on an empty struct as an argument |
| |
| #[repr(C)] |
| struct TwoU8s { |
| one: u8, |
| two: u8, |
| } |
| |
| #[repr(C)] |
| struct ManyInts { |
| arg1: i8, |
| arg2: i16, |
| arg3: i32, |
| arg4: i16, |
| arg5: i8, |
| arg6: TwoU8s, |
| } |
| |
| #[repr(C)] |
| struct Empty; |
| |
| #[link(name = "rust_test_helpers", kind = "static")] |
| extern { |
| fn rust_dbg_extern_empty_struct(v1: ManyInts, e: Empty, v2: ManyInts); |
| } |
| |
| pub fn main() { |
| unsafe { |
| let x = ManyInts { |
| arg1: 2, |
| arg2: 3, |
| arg3: 4, |
| arg4: 5, |
| arg5: 6, |
| arg6: TwoU8s { one: 7, two: 8, } |
| }; |
| let y = ManyInts { |
| arg1: 1, |
| arg2: 2, |
| arg3: 3, |
| arg4: 4, |
| arg5: 5, |
| arg6: TwoU8s { one: 6, two: 7, } |
| }; |
| let empty = Empty; |
| rust_dbg_extern_empty_struct(x, empty, y); |
| } |
| } |