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HTGAzureX1212. 2024-01-27 12:28:28 +08:00
parent 2241d16189
commit e26f213050
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1 changed files with 25 additions and 21 deletions
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24
library/std/src/sys/pal/windows/fs.rs
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@ -1069,6 +1069,13 @@ pub fn readdir(p: &Path) -> io::Result<ReadDir> {
let mut wfd = mem::zeroed(); let mut wfd = mem::zeroed();
let find_handle = c::FindFirstFileW(path.as_ptr(), &mut wfd); let find_handle = c::FindFirstFileW(path.as_ptr(), &mut wfd);
if find_handle != c::INVALID_HANDLE_VALUE {
Ok(ReadDir {
handle: FindNextFileHandle(find_handle),
root: Arc::new(root),
first: Some(wfd),
})
} else {
// The status `ERROR_FILE_NOT_FOUND` is returned by the `FindFirstFileW` function // The status `ERROR_FILE_NOT_FOUND` is returned by the `FindFirstFileW` function
// if no matching files can be found, but not necessarily that the path to find the // if no matching files can be found, but not necessarily that the path to find the
// files in does not exist. // files in does not exist.
@ -1080,8 +1087,8 @@ pub fn readdir(p: &Path) -> io::Result<ReadDir> {
// returned by the `FindNextFileW` function. // returned by the `FindNextFileW` function.
// //
// See issue #120040: https://github.com/rust-lang/rust/issues/120040. // See issue #120040: https://github.com/rust-lang/rust/issues/120040.
let last_error = Error::last_os_error(); let last_error = api::get_last_error();
if last_error.raw_os_error().unwrap() == c::ERROR_FILE_NOT_FOUND as i32 && p.exists() { if last_error.code == c::ERROR_FILE_NOT_FOUND {
return Ok(ReadDir { return Ok(ReadDir {
handle: FindNextFileHandle(find_handle), handle: FindNextFileHandle(find_handle),
root: Arc::new(root), root: Arc::new(root),
@ -1089,14 +1096,11 @@ pub fn readdir(p: &Path) -> io::Result<ReadDir> {
}); });
} }
if find_handle != c::INVALID_HANDLE_VALUE { // Just return the error constructed from the raw OS error if the above is not the case.
Ok(ReadDir { //
handle: FindNextFileHandle(find_handle), // Note: `ERROR_PATH_NOT_FOUND` would have been returned by the `FindFirstFileW` function
root: Arc::new(root), // when the path to search in does not exist in the first place.
first: Some(wfd), Err(Error::from_raw_os_error(last_error.code as i32));
})
} else {
Err(last_error)
} }
} }
} }