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Auto merge of #1094 - photoszzt:fix_hash_incomplete_arr, r=emilio
Fix mistakenly derive hash for struct that contains IncompleteArrayField Fix #1093 r? @fitzgen or @emilio
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121 changes: 121 additions & 0 deletions
121
tests/expectations/tests/derive-hash-struct-with-incomplete-array.rs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| /* automatically generated by rust-bindgen */ | ||
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| #![allow(dead_code, non_snake_case, non_camel_case_types, non_upper_case_globals)] | ||
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| #[repr(C)] | ||
| #[derive(Default)] | ||
| pub struct __IncompleteArrayField<T>(::std::marker::PhantomData<T>); | ||
| impl<T> __IncompleteArrayField<T> { | ||
| #[inline] | ||
| pub fn new() -> Self { | ||
| __IncompleteArrayField(::std::marker::PhantomData) | ||
| } | ||
| #[inline] | ||
| pub unsafe fn as_ptr(&self) -> *const T { | ||
| ::std::mem::transmute(self) | ||
| } | ||
| #[inline] | ||
| pub unsafe fn as_mut_ptr(&mut self) -> *mut T { | ||
| ::std::mem::transmute(self) | ||
| } | ||
| #[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") | ||
| } | ||
| } | ||
| impl<T> ::std::clone::Clone for __IncompleteArrayField<T> { | ||
| #[inline] | ||
| fn clone(&self) -> Self { | ||
| Self::new() | ||
| } | ||
| } | ||
| impl<T> ::std::marker::Copy for __IncompleteArrayField<T> {} | ||
| #[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!( | ||
| unsafe { &(*(0 as *const test)).a as *const _ as usize }, | ||
| 0usize, | ||
| concat!( | ||
| "Alignment of field: ", | ||
| stringify!(test), | ||
| "::", | ||
| stringify!(a) | ||
| ) | ||
| ); | ||
| assert_eq!( | ||
| unsafe { &(*(0 as *const test)).zero_length_array as *const _ as usize }, | ||
| 4usize, | ||
| concat!( | ||
| "Alignment 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)) | ||
| ); | ||
| } | ||
| #[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)) | ||
| ); | ||
| } |
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