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[Rust] Add support for fixed size arrays (#6548)

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* Add support for fixed size arrays

* clang-format

* Update rust image to 1.51 to support const generics

* Handle correctly big endian

* Add fuzz tests and clean code

* Add struct fuzz test and optimize struct arrays for api

* Bump flatbuffers crate version
This commit is contained in:
Eddie Linder
2021-04-16 18:15:59 +03:00
committed by GitHub
parent 151900ba96
commit da3bb64ef6
25 changed files with 1442 additions and 77 deletions
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8
rust/flatbuffers/src/endian_scalar.rs
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@@ -155,7 +155,7 @@ pub fn emplace_scalar<T: EndianScalar>(s: &mut [u8], x: T) {
core::ptr::copy_nonoverlapping(
&x_le as *const T as *const u8,
s.as_mut_ptr() as *mut u8,
size_of::<T>()
size_of::<T>(),
);
}
}
@@ -174,11 +174,7 @@ pub fn read_scalar<T: EndianScalar>(s: &[u8]) -> T {
let mut mem = core::mem::MaybeUninit::<T>::uninit();
// Since [u8] has alignment 1, we copy it into T which may have higher alignment.
let x = unsafe {
core::ptr::copy_nonoverlapping(
s.as_ptr(),
mem.as_mut_ptr() as *mut u8,
size_of::<T>()
);
core::ptr::copy_nonoverlapping(s.as_ptr(), mem.as_mut_ptr() as *mut u8, size_of::<T>());
mem.assume_init()
};
x.from_little_endian()