| // 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. |
| |
| // ignore-wasm32-bare no libc for ffi testing |
| |
| // Test a foreign function that accepts and returns a struct |
| // by value. |
| |
| #[derive(Copy, Clone, PartialEq, Debug)] |
| pub struct TwoU32s { |
| one: u32, two: u32 |
| } |
| |
| #[link(name = "rust_test_helpers", kind = "static")] |
| extern { |
| pub fn rust_dbg_extern_identity_TwoU32s(v: TwoU32s) -> TwoU32s; |
| } |
| |
| pub fn main() { |
| unsafe { |
| let x = TwoU32s {one: 22, two: 23}; |
| let y = rust_dbg_extern_identity_TwoU32s(x); |
| assert_eq!(x, y); |
| } |
| } |
