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#![allow(
dead_code,
non_snake_case,
non_camel_case_types,
non_upper_case_globals
)]
#![no_std]
mod libc {
pub mod foo {
pub type c_int = i32;
pub enum c_void {}
}
}
#[repr(C)]
#[derive(Debug, Copy, Clone)]
pub struct foo {
pub a: libc::foo::c_int,
pub b: libc::foo::c_int,
pub bar: *mut libc::foo::c_void,
}
#[test]
fn bindgen_test_layout_foo() {
assert_eq!(
::core::mem::size_of::<foo>(),
16usize,
concat!("Size of: ", stringify!(foo))
);
assert_eq!(
::core::mem::align_of::<foo>(),
8usize,
concat!("Alignment of ", stringify!(foo))
);
assert_eq!(
unsafe {
let uninit = ::core::mem::MaybeUninit::<foo>::uninit();
let ptr = uninit.as_ptr();
::core::ptr::addr_of!((*ptr).a) as usize - ptr as usize
},
0usize,
concat!("Offset of field: ", stringify!(foo), "::", stringify!(a))
);
assert_eq!(
unsafe {
let uninit = ::core::mem::MaybeUninit::<foo>::uninit();
let ptr = uninit.as_ptr();
::core::ptr::addr_of!((*ptr).b) as usize - ptr as usize
},
4usize,
concat!("Offset of field: ", stringify!(foo), "::", stringify!(b))
);
assert_eq!(
unsafe {
let uninit = ::core::mem::MaybeUninit::<foo>::uninit();
let ptr = uninit.as_ptr();
::core::ptr::addr_of!((*ptr).bar) as usize - ptr as usize
},
8usize,
concat!("Offset of field: ", stringify!(foo), "::", stringify!(bar))
);
}
impl Default for foo {
fn default() -> Self {
let mut s = ::core::mem::MaybeUninit::<Self>::uninit();
unsafe {
::core::ptr::write_bytes(s.as_mut_ptr(), 0, 1);
s.assume_init()
}
}
}
|
