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|
#![allow(
dead_code,
non_snake_case,
non_camel_case_types,
non_upper_case_globals
)]
#[repr(C)]
#[derive(Default)]
pub struct __IncompleteArrayField<T>(::std::marker::PhantomData<T>, [T; 0]);
impl<T> __IncompleteArrayField<T> {
#[inline]
pub const fn new() -> Self {
__IncompleteArrayField(::std::marker::PhantomData, [])
}
#[inline]
pub fn as_ptr(&self) -> *const T {
self as *const _ as *const T
}
#[inline]
pub fn as_mut_ptr(&mut self) -> *mut T {
self as *mut _ as *mut T
}
#[inline]
pub unsafe fn as_slice(&self, len: usize) -> &[T] {
::std::slice::from_raw_parts(self.as_ptr(), len)
}
#[inline]
pub unsafe fn as_mut_slice(&mut self, len: usize) -> &mut [T] {
::std::slice::from_raw_parts_mut(self.as_mut_ptr(), len)
}
}
impl<T> ::std::fmt::Debug for __IncompleteArrayField<T> {
fn fmt(&self, fmt: &mut ::std::fmt::Formatter<'_>) -> ::std::fmt::Result {
fmt.write_str("__IncompleteArrayField")
}
}
#[repr(C)]
#[derive(Debug, Default)]
pub struct test {
pub a: ::std::os::raw::c_int,
pub zero_length_array: __IncompleteArrayField<::std::os::raw::c_char>,
}
#[test]
fn bindgen_test_layout_test() {
const UNINIT: ::std::mem::MaybeUninit<test> =
::std::mem::MaybeUninit::uninit();
let ptr = UNINIT.as_ptr();
assert_eq!(
::std::mem::size_of::<test>(),
4usize,
concat!("Size of: ", stringify!(test))
);
assert_eq!(
::std::mem::align_of::<test>(),
4usize,
concat!("Alignment of ", stringify!(test))
);
assert_eq!(
unsafe { ::std::ptr::addr_of!((*ptr).a) as usize - ptr as usize },
0usize,
concat!("Offset of field: ", stringify!(test), "::", stringify!(a))
);
assert_eq!(
unsafe {
::std::ptr::addr_of!((*ptr).zero_length_array) as usize -
ptr as usize
},
4usize,
concat!(
"Offset of field: ",
stringify!(test),
"::",
stringify!(zero_length_array)
)
);
}
#[repr(C)]
#[derive(Debug, Default)]
pub struct test2 {
pub a: ::std::os::raw::c_int,
pub incomplete_array: __IncompleteArrayField<::std::os::raw::c_char>,
}
#[test]
fn bindgen_test_layout_test2() {
const UNINIT: ::std::mem::MaybeUninit<test2> =
::std::mem::MaybeUninit::uninit();
let ptr = UNINIT.as_ptr();
assert_eq!(
::std::mem::size_of::<test2>(),
4usize,
concat!("Size of: ", stringify!(test2))
);
assert_eq!(
::std::mem::align_of::<test2>(),
4usize,
concat!("Alignment of ", stringify!(test2))
);
assert_eq!(
unsafe { ::std::ptr::addr_of!((*ptr).a) as usize - ptr as usize },
0usize,
concat!("Offset of field: ", stringify!(test2), "::", stringify!(a))
);
assert_eq!(
unsafe {
::std::ptr::addr_of!((*ptr).incomplete_array) as usize -
ptr as usize
},
4usize,
concat!(
"Offset of field: ",
stringify!(test2),
"::",
stringify!(incomplete_array)
)
);
}
#[repr(C)]
#[derive(Debug, Default)]
pub struct test3 {
pub a: ::std::os::raw::c_int,
pub zero_length_array: __IncompleteArrayField<::std::os::raw::c_char>,
pub incomplete_array: __IncompleteArrayField<::std::os::raw::c_char>,
}
#[test]
fn bindgen_test_layout_test3() {
const UNINIT: ::std::mem::MaybeUninit<test3> =
::std::mem::MaybeUninit::uninit();
let ptr = UNINIT.as_ptr();
assert_eq!(
::std::mem::size_of::<test3>(),
4usize,
concat!("Size of: ", stringify!(test3))
);
assert_eq!(
::std::mem::align_of::<test3>(),
4usize,
concat!("Alignment of ", stringify!(test3))
);
assert_eq!(
unsafe { ::std::ptr::addr_of!((*ptr).a) as usize - ptr as usize },
0usize,
concat!("Offset of field: ", stringify!(test3), "::", stringify!(a))
);
assert_eq!(
unsafe {
::std::ptr::addr_of!((*ptr).zero_length_array) as usize -
ptr as usize
},
4usize,
concat!(
"Offset of field: ",
stringify!(test3),
"::",
stringify!(zero_length_array)
)
);
assert_eq!(
unsafe {
::std::ptr::addr_of!((*ptr).incomplete_array) as usize -
ptr as usize
},
4usize,
concat!(
"Offset of field: ",
stringify!(test3),
"::",
stringify!(incomplete_array)
)
);
}
|
