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Fix UB in hashglobe

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12101111 2021-10-09 00:01:04 +08:00
parent 6ae238e868
commit 0115eb8dd8
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1 changed files with 3 additions and 1 deletions
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4
components/hashglobe/src/table.rs
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@ -836,7 +836,9 @@ impl<K, V> RawTable<K, V> {
pub fn new(capacity: usize) -> Result<RawTable<K, V>, FailedAllocationError> { pub fn new(capacity: usize) -> Result<RawTable<K, V>, FailedAllocationError> {
unsafe { unsafe {
let ret = RawTable::try_new_uninitialized(capacity)?; let ret = RawTable::try_new_uninitialized(capacity)?;
ptr::write_bytes(ret.hashes.ptr(), 0, capacity); if capacity > 0 {
ptr::write_bytes(ret.hashes.ptr(), 0, capacity);
}
Ok(ret) Ok(ret)
} }
} }