mirror of https://github.com/rust-lang/rust
25 lines
508 B
Rust
25 lines
508 B
Rust
//@ run-pass
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#![allow(improper_ctypes)]
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// Test a foreign function that accepts and returns a struct
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// by value.
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#[derive(Copy, Clone, PartialEq, Debug)]
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pub struct TwoU32s {
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one: u32,
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two: u32,
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}
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#[link(name = "rust_test_helpers", kind = "static")]
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extern "C" {
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pub fn rust_dbg_extern_identity_TwoU32s(v: TwoU32s) -> TwoU32s;
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}
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pub fn main() {
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unsafe {
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let x = TwoU32s { one: 22, two: 23 };
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let y = rust_dbg_extern_identity_TwoU32s(x);
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assert_eq!(x, y);
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}
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}
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