27 lines
554 B
Rust
27 lines
554 B
Rust
// run-pass
|
|
#![allow(improper_ctypes)]
|
|
|
|
// 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 TwoU16s {
|
|
one: u16,
|
|
two: u16,
|
|
}
|
|
|
|
#[link(name = "rust_test_helpers", kind = "static")]
|
|
extern "C" {
|
|
pub fn rust_dbg_extern_identity_TwoU16s(v: TwoU16s) -> TwoU16s;
|
|
}
|
|
|
|
pub fn main() {
|
|
unsafe {
|
|
let x = TwoU16s { one: 22, two: 23 };
|
|
let y = rust_dbg_extern_identity_TwoU16s(x);
|
|
assert_eq!(x, y);
|
|
}
|
|
}
|