blob: 1aa49e881e133daec6d4c3e790e4f9d21100c61e [file] [log] [blame]
#![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!(
{
let struct_instance = unsafe { std::mem::zeroed::<Packed>() };
let struct_ptr = &struct_instance as *const Packed;
let field_ptr = std::ptr::addr_of!(struct_instance.a);
let struct_address = struct_ptr as usize;
let field_address = field_ptr as usize;
std::mem::forget(struct_instance);
field_address.checked_sub(struct_address).unwrap()
},
0usize,
concat!("Offset of field: ", stringify!(Packed), "::", stringify!(a))
);
assert_eq!(
{
let struct_instance = unsafe { std::mem::zeroed::<Packed>() };
let struct_ptr = &struct_instance as *const Packed;
let field_ptr = std::ptr::addr_of!(struct_instance.b);
let struct_address = struct_ptr as usize;
let field_address = field_ptr as usize;
std::mem::forget(struct_instance);
field_address.checked_sub(struct_address).unwrap()
},
2usize,
concat!("Offset of field: ", stringify!(Packed), "::", stringify!(b))
);
assert_eq!(
{
let struct_instance = unsafe { std::mem::zeroed::<Packed>() };
let struct_ptr = &struct_instance as *const Packed;
let field_ptr = std::ptr::addr_of!(struct_instance.c);
let struct_address = struct_ptr as usize;
let field_address = field_ptr as usize;
std::mem::forget(struct_instance);
field_address.checked_sub(struct_address).unwrap()
},
4usize,
concat!("Offset of field: ", stringify!(Packed), "::", stringify!(c))
);
assert_eq!(
{
let struct_instance = unsafe { std::mem::zeroed::<Packed>() };
let struct_ptr = &struct_instance as *const Packed;
let field_ptr = std::ptr::addr_of!(struct_instance.d);
let struct_address = struct_ptr as usize;
let field_address = field_ptr as usize;
std::mem::forget(struct_instance);
field_address.checked_sub(struct_address).unwrap()
},
6usize,
concat!("Offset of field: ", stringify!(Packed), "::", stringify!(d))
);
}