1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
// run-pass
#![allow(improper_ctypes)] // FIXME: this test is inherently not FFI-safe.
// 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 "C" {
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);
}
}
|