Fixed some bugs

THINGS ARE BROKEN FOR NO REASON

reader_fileinfo.go

@@ -0,0 +1,67 @@
+package squashfs
+
+import (
+	"io/fs"
+	"time"
+
+	"github.com/CalebQ42/squashfs/internal/directory"
+	"github.com/CalebQ42/squashfs/internal/inode"
+)
+
+type FileInfo struct {
+	e       directory.Entry
+	size    int64
+	perm    uint32
+	modTime uint32
+}
+
+func (r Reader) newFileInfo(e directory.Entry) (FileInfo, error) {
+	i, err := r.inodeFromDir(e)
+	if err != nil {
+		return FileInfo{}, err
+	}
+	return newFileInfo(e, i), nil
+}
+
+func newFileInfo(e directory.Entry, i inode.Inode) FileInfo {
+	var size int64
+	if i.Type == inode.Fil {
+		size = int64(i.Data.(inode.File).Size)
+	} else if i.Type == inode.EFil {
+		size = int64(i.Data.(inode.EFile).Size)
+	}
+	return FileInfo{
+		e:       e,
+		size:    size,
+		perm:    uint32(i.Perm),
+		modTime: i.ModTime,
+	}
+}
+
+func (f FileInfo) Name() string {
+	return f.e.Name
+}
+
+func (f FileInfo) Size() int64 {
+	return f.size
+}
+
+func (f FileInfo) Mode() fs.FileMode {
+	if f.IsDir() {
+		return fs.FileMode(f.perm | uint32(fs.ModeDir))
+	}
+	return fs.FileMode(f.perm)
+}
+
+func (f FileInfo) ModTime() time.Time {
+	return time.Unix(int64(f.modTime), 0)
+}
+
+func (f FileInfo) IsDir() bool {
+	return f.e.Type == inode.Dir
+}
+
+func (f FileInfo) Sys() any {
+	//TODO
+	return nil
+}