Fixed some bugs

THINGS ARE BROKEN FOR NO REASON

internal/directory/directory.go

@@ -42,14 +42,14 @@ func readEntry(r io.Reader) (e entry, err error) {
 }
 
 func ReadEntries(rdr io.Reader, size uint32) (e []Entry, err error) {
-	dat := make([]byte, size)
+	dat := make([]byte, size-3)
 	rdr.Read(dat)
 	r := bytes.NewReader(dat)
 	var h header
 	var en entry
 	for {
 		err = binary.Read(r, binary.LittleEndian, &h)
-		if err == io.ErrUnexpectedEOF {
+		if err == io.EOF {
 			err = nil
 			return
 		} else if err != nil {

reader_file.go

@@ -252,6 +252,7 @@ func (f File) ExtractWithOptions(folder string, op ExtractionOptions) error {
 					fil.Close()
 					return
 				}
+				fil.parent, _ = f.FS()
 				errChan <- fil.ExtractWithOptions(folder+"/"+f.e.Name, op)
 				fil.Close()
 			}(ents[i])

reader_fs.go

@@ -64,6 +64,7 @@ func (f FS) Open(name string) (fs.File, error) {
 					Err:  err,
 				}
 			}
+			newFS.parent = &f
 			out, err := newFS.Open(strings.Join(split[1:], "/"))
 			if err != nil {
 				err.(*fs.PathError).Path = name
@@ -78,6 +79,7 @@ func (f FS) Open(name string) (fs.File, error) {
 				Err:  err,
 			}
 		}
+		out.parent = &f
 		return out, err
 	}
 	return nil, &fs.PathError{

reader_test.go

@@ -97,7 +97,9 @@ func TestAppImage(t *testing.T) {
 		t.Fatal(err)
 	}
 	os.RemoveAll(wd + "/testing/firefox")
-	err = rdr.ExtractTo(wd + "/testing/firefox")
+	op := DefaultOptions()
+	op.Verbose = true
+	err = rdr.ExtractWithOptions(wd+"/testing/firefox", op)
 	t.Fatal(err)
 }