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#[cfg(racy_asserts)]
use crate::fs::{
canonicalize, create_dir_unchecked, map_result, stat_unchecked, FollowSymlinks, Metadata,
};
use crate::fs::{create_dir_impl, DirOptions};
use std::path::Path;
use std::{fs, io};
#[cfg_attr(not(racy_asserts), allow(clippy::let_and_return))]
#[inline]
pub fn create_dir(start: &fs::File, path: &Path, options: &DirOptions) -> io::Result<()> {
#[cfg(racy_asserts)]
let stat_before = stat_unchecked(start, path, FollowSymlinks::No);
let result = create_dir_impl(start, path, options);
#[cfg(racy_asserts)]
let stat_after = stat_unchecked(start, path, FollowSymlinks::No);
#[cfg(racy_asserts)]
check_create_dir(start, path, options, &stat_before, &result, &stat_after);
result
}
#[cfg(racy_asserts)]
#[allow(clippy::enum_glob_use)]
fn check_create_dir(
start: &fs::File,
path: &Path,
options: &DirOptions,
stat_before: &io::Result<Metadata>,
result: &io::Result<()>,
stat_after: &io::Result<Metadata>,
) {
use io::ErrorKind::*;
match (
map_result(stat_before),
map_result(result),
map_result(stat_after),
) {
(Err((NotFound, _)), Ok(()), Ok(metadata)) => {
assert!(metadata.is_dir());
assert_same_file_metadata!(
&stat_unchecked(
start,
&canonicalize(start, path).unwrap(),
FollowSymlinks::No
)
.unwrap(),
&metadata
);
}
(Ok(metadata_before), Err((AlreadyExists, _)), Ok(metadata_after)) => {
assert_same_file_metadata!(&metadata_before, &metadata_after);
}
(_, Err((kind, message)), _) => {
if !path.to_string_lossy().ends_with(".") {
match map_result(&canonicalize(start, path)) {
Ok(canon) => match map_result(&create_dir_unchecked(start, &canon, options)) {
Err((unchecked_kind, unchecked_message)) => {
assert_eq!(
kind,
unchecked_kind,
"unexpected error kind from create_dir start='{:?}', \
path='{}':\nstat_before={:#?}\nresult={:#?}\nstat_after={:#?}",
start,
path.display(),
stat_before,
result,
stat_after
);
assert_eq!(message, unchecked_message);
}
_ => panic!("unsandboxed create_dir success"),
},
Err((_canon_kind, _canon_message)) => {
}
}
}
}
other => panic!(
"inconsistent create_dir checks: start='{:?}' path='{}':\n{:#?}",
start,
path.display(),
other,
),
}
}