27 lines
546 B
Rust
27 lines
546 B
Rust
// run-pass
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#![allow(improper_ctypes)]
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// ignore-wasm32-bare no libc for ffi testing
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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 TwoU8s {
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one: u8,
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two: u8,
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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_TwoU8s(v: TwoU8s) -> TwoU8s;
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}
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pub fn main() {
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unsafe {
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let x = TwoU8s { one: 22, two: 23 };
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let y = rust_dbg_extern_identity_TwoU8s(x);
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assert_eq!(x, y);
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}
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}
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