| #![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() { |
| 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!( |
| { |
| let struct_instance = unsafe { std::mem::zeroed::<test>() }; |
| let struct_ptr = &struct_instance as *const test; |
| 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!(test), "::", stringify!(a)) |
| ); |
| assert_eq!( |
| { |
| let struct_instance = unsafe { std::mem::zeroed::<test>() }; |
| let struct_ptr = &struct_instance as *const test; |
| let field_ptr = |
| std::ptr::addr_of!(struct_instance.zero_length_array); |
| 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!(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() { |
| 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!( |
| { |
| let struct_instance = unsafe { std::mem::zeroed::<test2>() }; |
| let struct_ptr = &struct_instance as *const test2; |
| 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!(test2), "::", stringify!(a)) |
| ); |
| assert_eq!( |
| { |
| let struct_instance = unsafe { std::mem::zeroed::<test2>() }; |
| let struct_ptr = &struct_instance as *const test2; |
| let field_ptr = |
| std::ptr::addr_of!(struct_instance.incomplete_array); |
| 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!(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() { |
| 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!( |
| { |
| let struct_instance = unsafe { std::mem::zeroed::<test3>() }; |
| let struct_ptr = &struct_instance as *const test3; |
| 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!(test3), "::", stringify!(a)) |
| ); |
| assert_eq!( |
| { |
| let struct_instance = unsafe { std::mem::zeroed::<test3>() }; |
| let struct_ptr = &struct_instance as *const test3; |
| let field_ptr = |
| std::ptr::addr_of!(struct_instance.zero_length_array); |
| 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!(test3), |
| "::", |
| stringify!(zero_length_array) |
| ) |
| ); |
| assert_eq!( |
| { |
| let struct_instance = unsafe { std::mem::zeroed::<test3>() }; |
| let struct_ptr = &struct_instance as *const test3; |
| let field_ptr = |
| std::ptr::addr_of!(struct_instance.incomplete_array); |
| 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!(test3), |
| "::", |
| stringify!(incomplete_array) |
| ) |
| ); |
| } |