f.Close()
		return nil, err
	}

	st, err := os.Stat(path)
	if err != nil {
		f.Close()
		return nil, err
	}

	if st.IsDir() {
		f.Close()
		return nil, &os.PathError{
			Op:   "open",
			Path: path,
			Err:  syscall.EISDIR,
		}
	}

	return &LockedFile{File: f}, nil
}

// TryLockedOpenFile - tries a new write lock, functionality

// If there are many of these, we could do a more general solution,
// but for now the replacer is fine.
var aliasReplacer = strings.NewReplacer(
	"os.FileInfo", "fs.FileInfo",
	"os.FileMode", "fs.FileMode",
	"os.PathError", "fs.PathError",
)

func fileFeatures(filename string, needApproval bool) []string {
	bs, err := os.ReadFile(filename)
	if err != nil {
		log.Fatal(err)
	}
	s := string(bs)

					} else {
						var resultErrno, expectErrno uintptr
						if pathErr, ok := err.(*os.PathError); ok {
							if errno, pok := pathErr.Err.(syscall.Errno); pok {
								resultErrno = uintptr(errno)
							}
						}
						if pathErr, ok := testCase.expectedErr.(*os.PathError); ok {
							if errno, pok := pathErr.Err.(syscall.Errno); pok {
								expectErrno = uintptr(errno)
							}

pkg os, func IsTimeout(error) bool
pkg os, method (*File) SetDeadline(time.Time) error
pkg os, method (*File) SetReadDeadline(time.Time) error
pkg os, method (*File) SetWriteDeadline(time.Time) error
pkg os, method (*PathError) Timeout() bool
pkg os, method (*SyscallError) Timeout() bool
pkg os, var ErrNoDeadline error
pkg strings, method (*Builder) Grow(int)
pkg strings, method (*Builder) Len() int
pkg strings, method (*Builder) Reset()

pkg io/fs, type GlobFS interface, Glob(string) ([]string, error)
pkg io/fs, type GlobFS interface, Open(string) (File, error)
pkg io/fs, type PathError struct
pkg io/fs, type PathError struct, Err error
pkg io/fs, type PathError struct, Op string
pkg io/fs, type PathError struct, Path string
pkg io/fs, type ReadDirFS interface { Open, ReadDir }
pkg io/fs, type ReadDirFS interface, Open(string) (File, error)

	if err != nil {
		return nil, time.Time{}, err
	}
	defer f.Close()
	stat, err := f.Stat()
	if err != nil {
		return nil, time.Time{}, err
	}
	if stat.IsDir() {
		return nil, time.Time{}, &os.PathError{
			Op:   "open",
			Path: itemPath,
			Err:  syscall.EISDIR,
		}
	}
	buf, err := readXLMetaNoData(f, stat.Size())
	if err != nil {

pkg os, type LinkError struct, New string
pkg os, type LinkError struct, Old string
pkg os, type LinkError struct, Op string
pkg os, type PathError struct
pkg os, type PathError struct, Err error
pkg os, type PathError struct, Op string
pkg os, type PathError struct, Path string
pkg os, type ProcAttr struct
pkg os, type ProcAttr struct, Dir string
pkg os, type ProcAttr struct, Env []string

pkg os/exec, method (*Cmd) String() string
pkg os/exec, method (*Error) Unwrap() error
pkg os, func UserConfigDir() (string, error)
pkg os, method (*LinkError) Unwrap() error
pkg os, method (*PathError) Unwrap() error
pkg os, method (*SyscallError) Unwrap() error
pkg os (netbsd-arm64-cgo), const DevNull = "/dev/null"
pkg os (netbsd-arm64-cgo), const O_APPEND = 8
pkg os (netbsd-arm64-cgo), const O_CREATE = 512