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#[cfg(racy_asserts)]
use crate::fs::{canonicalize, map_result, stat_unchecked};
use crate::fs::{stat_impl, FollowSymlinks, Metadata};
use std::path::Path;
use std::{fs, io};
#[cfg_attr(not(racy_asserts), allow(clippy::let_and_return))]
#[inline]
pub fn stat(start: &fs::File, path: &Path, follow: FollowSymlinks) -> io::Result<Metadata> {
let result = stat_impl(start, path, follow);
#[cfg(racy_asserts)]
let stat = stat_unchecked(start, path, follow);
#[cfg(racy_asserts)]
check_stat(start, path, follow, &result, &stat);
result
}
#[cfg(racy_asserts)]
#[allow(clippy::enum_glob_use)]
fn check_stat(
start: &fs::File,
path: &Path,
follow: FollowSymlinks,
result: &io::Result<Metadata>,
stat: &io::Result<Metadata>,
) {
use io::ErrorKind::*;
match (map_result(result), map_result(stat)) {
(Ok(metadata), Ok(unchecked_metadata)) => {
assert_same_file_metadata!(
metadata,
unchecked_metadata,
"path resolution inconsistency: start='{:?}', path='{}'",
start,
path.display(),
);
}
(Err((PermissionDenied, message)), _) => {
if let FollowSymlinks::Yes = follow {
match map_result(&canonicalize(start, path)) {
Ok(_) => (),
Err((PermissionDenied, canon_message)) => {
assert_eq!(message, canon_message);
}
err => panic!("stat failed where canonicalize succeeded: {:?}", err),
}
} else {
}
}
(Err((kind, message)), Err((unchecked_kind, unchecked_message))) => {
assert_eq!(kind, unchecked_kind);
assert_eq!(
message,
unchecked_message,
"start='{:?}', path='{:?}'",
start,
path.display()
);
}
other => panic!(
"unexpected result from stat start='{:?}', path='{}':\n{:#?}",
start,
path.display(),
other,
),
}
}