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Mark endian_scalar as unsafe. (#6588)

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* Mark endian_scalar as unsafe.

Also
- removed the deprecated flexbuffer slice from example
- fixed some cargo warnings

* Assertions and read_scalar made unsafe

* Clippy lints

* Add to Safety

Co-authored-by: Casper Neo <cneo@google.com>
This commit is contained in:
Casper
2021-04-26 09:18:58 -04:00
committed by GitHub
parent 4ccc52c7a0
commit c24031c36b
20 changed files with 134 additions and 100 deletions
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12
rust/flatbuffers/src/builder.rs
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@@ -564,12 +564,14 @@ impl<'fbb> FlatBufferBuilder<'fbb> {
{
let n = self.head + self.used_space() - object_revloc_to_vtable.value() as usize;
let saw = read_scalar_at::<UOffsetT>(&self.owned_buf, n);
let saw = unsafe { read_scalar_at::<UOffsetT>(&self.owned_buf, n) };
debug_assert_eq!(saw, 0xF0F0_F0F0);
emplace_scalar::<SOffsetT>(
&mut self.owned_buf[n..n + SIZE_SOFFSET],
vt_use as SOffsetT - object_revloc_to_vtable.value() as SOffsetT,
);
unsafe {
emplace_scalar::<SOffsetT>(
&mut self.owned_buf[n..n + SIZE_SOFFSET],
vt_use as SOffsetT - object_revloc_to_vtable.value() as SOffsetT,
);
}
}
self.field_locs.clear();