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
56
57
58
59
60
61
62
63
64
65
|
#![allow(
dead_code,
non_snake_case,
non_camel_case_types,
non_upper_case_globals
)]
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct A {
_unused: [u8; 0],
}
#[repr(C)]
#[repr(align(1))]
#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
pub struct B {
pub _bindgen_opaque_blob: u8,
}
#[test]
fn bindgen_test_layout_B() {
assert_eq!(
::std::mem::size_of::<B>(),
1usize,
concat!("Size of: ", stringify!(B))
);
assert_eq!(
::std::mem::align_of::<B>(),
1usize,
concat!("Alignment of ", stringify!(B))
);
}
extern "C" {
#[link_name = "\u{1}_ZN1B1aE"]
pub static mut B_a: A;
}
#[repr(C)]
#[derive(Debug, Default, Copy, Clone, Hash, PartialEq, Eq)]
pub struct C {
pub b: B,
}
#[test]
fn bindgen_test_layout_C() {
assert_eq!(
::std::mem::size_of::<C>(),
1usize,
concat!("Size of: ", stringify!(C))
);
assert_eq!(
::std::mem::align_of::<C>(),
1usize,
concat!("Alignment of ", stringify!(C))
);
fn test_field_b() {
assert_eq!(
unsafe {
let uninit = ::std::mem::MaybeUninit::<C>::uninit();
let ptr = uninit.as_ptr();
::std::ptr::addr_of!((*ptr).b) as usize - ptr as usize
},
0usize,
concat!("Offset of field: ", stringify!(C), "::", stringify!(b))
);
}
test_field_b();
}
|
