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fix: Use unaligned read as copy_nonoverlapping requires alignment (#1278)

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Matt Mastracci 2023-07-11 08:07:47 -06:00 • committed by GitHub
parent 9d5c21ae7e
commit 226c662da6
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1 changed files with 3 additions and 5 deletions
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8
src/fast_api.rs
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@ -234,14 +234,12 @@ impl FastApiOneByteString {
} }
impl<T: Default> FastApiTypedArray<T> { impl<T: Default> FastApiTypedArray<T> {
/// Performs an unaligned-safe read of T from the underlying data.
#[inline(always)] #[inline(always)]
pub fn get(&self, index: usize) -> T { pub fn get(&self, index: usize) -> T {
debug_assert!(index < self.length); debug_assert!(index < self.length);
let mut t: T = Default::default(); // SAFETY: src is valid for reads, and is a valid value for T
unsafe { unsafe { ptr::read_unaligned(self.data.add(index)) }
ptr::copy_nonoverlapping(self.data.add(index), &mut t, 1);
}
t
} }
#[inline(always)] #[inline(always)]