blob: 3d02d0509b95380b2652e2e725e18501f2163522 [file] [log] [blame]
#![allow(
dead_code,
non_snake_case,
non_camel_case_types,
non_upper_case_globals
)]
pub enum Bar {}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct Foo {
pub baz: *mut Bar,
}
#[test]
fn bindgen_test_layout_Foo() {
assert_eq!(
::std::mem::size_of::<Foo>(),
8usize,
concat!("Size of: ", stringify!(Foo))
);
assert_eq!(
::std::mem::align_of::<Foo>(),
8usize,
concat!("Alignment of ", stringify!(Foo))
);
assert_eq!(
{
let struct_instance = unsafe { std::mem::zeroed::<Foo>() };
let struct_ptr = &struct_instance as *const Foo;
let field_ptr = std::ptr::addr_of!(struct_instance.baz);
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!(Foo), "::", stringify!(baz))
);
}
impl Default for Foo {
fn default() -> Self {
let mut s = ::std::mem::MaybeUninit::<Self>::uninit();
unsafe {
::std::ptr::write_bytes(s.as_mut_ptr(), 0, 1);
s.assume_init()
}
}
}