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
|
#![allow(
dead_code,
non_snake_case,
non_camel_case_types,
non_upper_case_globals
)]
#[repr(C, packed(2))]
#[derive(Debug, Default, Copy, Clone)]
pub struct Packed {
pub a: ::std::os::raw::c_char,
pub b: ::std::os::raw::c_short,
pub c: ::std::os::raw::c_char,
pub d: ::std::os::raw::c_int,
}
#[test]
fn bindgen_test_layout_Packed() {
assert_eq!(
::std::mem::size_of::<Packed>(),
10usize,
concat!("Size of: ", stringify!(Packed))
);
assert_eq!(
::std::mem::align_of::<Packed>(),
2usize,
concat!("Alignment of ", stringify!(Packed))
);
assert_eq!(
unsafe {
let uninit = ::std::mem::MaybeUninit::<Packed>::uninit();
let ptr = uninit.as_ptr();
::std::ptr::addr_of!((*ptr).a) as usize - ptr as usize
},
0usize,
concat!("Offset of field: ", stringify!(Packed), "::", stringify!(a))
);
assert_eq!(
unsafe {
let uninit = ::std::mem::MaybeUninit::<Packed>::uninit();
let ptr = uninit.as_ptr();
::std::ptr::addr_of!((*ptr).b) as usize - ptr as usize
},
2usize,
concat!("Offset of field: ", stringify!(Packed), "::", stringify!(b))
);
assert_eq!(
unsafe {
let uninit = ::std::mem::MaybeUninit::<Packed>::uninit();
let ptr = uninit.as_ptr();
::std::ptr::addr_of!((*ptr).c) as usize - ptr as usize
},
4usize,
concat!("Offset of field: ", stringify!(Packed), "::", stringify!(c))
);
assert_eq!(
unsafe {
let uninit = ::std::mem::MaybeUninit::<Packed>::uninit();
let ptr = uninit.as_ptr();
::std::ptr::addr_of!((*ptr).d) as usize - ptr as usize
},
6usize,
concat!("Offset of field: ", stringify!(Packed), "::", stringify!(d))
);
}
|
