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Do not drop AppendVec in store-tool (#32739)

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Brooks 2023-08-07 12:15:01 -04:00 committed by GitHub
parent 6eea38d803
commit 6ce647a3e0
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1 changed files with 6 additions and 5 deletions
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11
runtime/store-tool/src/main.rs
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@ -7,6 +7,7 @@ use {
hash::Hash, hash::Hash,
pubkey::Pubkey, pubkey::Pubkey,
}, },
std::mem::ManuallyDrop,
}; };
fn main() { fn main() {
@ -34,8 +35,11 @@ fn main() {
let len = value_t!(matches, "len", usize) let len = value_t!(matches, "len", usize)
.unwrap_or_else(|_| std::fs::metadata(&file).unwrap().len() as usize); .unwrap_or_else(|_| std::fs::metadata(&file).unwrap().len() as usize);
let mut store = AppendVec::new_from_file_unchecked(file, len).expect("should succeed"); // When the AppendVec is dropped, the backing file will be removed. We do not want to remove
store.set_no_remove_on_drop(); // the backing file here in the store-tool, so prevent dropping.
let store = ManuallyDrop::new(
AppendVec::new_from_file_unchecked(file, len).expect("new AppendVec from file"),
);
info!("store: len: {} capacity: {}", store.len(), store.capacity()); info!("store: len: {} capacity: {}", store.len(), store.capacity());
let mut num_accounts: usize = 0; let mut num_accounts: usize = 0;
let mut stored_accounts_len: usize = 0; let mut stored_accounts_len: usize = 0;
@ -67,6 +71,3 @@ fn is_account_zeroed(account: &StoredAccountMeta) -> bool {
&& account.pubkey() == &Pubkey::default() && account.pubkey() == &Pubkey::default()
&& account.to_account_shared_data() == AccountSharedData::default() && account.to_account_shared_data() == AccountSharedData::default()
} }
#[cfg(test)]
pub mod test {}