1 files changed, 0 insertions, 115 deletions
diff --git a/pkg/btrfs/btrfsitem/item_dir.go b/pkg/btrfs/btrfsitem/item_dir.go
deleted file mode 100644
index 2c4c75b..0000000
--- a/pkg/btrfs/btrfsitem/item_dir.go
+++ /dev/null
@@ -1,115 +0,0 @@
-package btrfsitem
-
-import (
-	"fmt"
-	"hash/crc32"
-
-	"lukeshu.com/btrfs-tools/pkg/binstruct"
-	"lukeshu.com/btrfs-tools/pkg/btrfs/internal"
-)
-
-// key.objectid = inode of directory containing this entry
-// key.offset =
-//    for DIR_ITEM and XATTR_ITEM = NameHash(name)
-//    for DIR_INDEX               = index id in the directory (starting at 2, because "." and "..")
-type DirEntries []DirEntry // DIR_ITEM=84 DIR_INDEX=96 XATTR_ITEM=24
-
-func NameHash(dat []byte) uint64 {
-	return uint64(^crc32.Update(1, crc32.MakeTable(crc32.Castagnoli), dat))
-}
-
-func (o *DirEntries) UnmarshalBinary(dat []byte) (int, error) {
-	*o = nil
-	n := 0
-	for n < len(dat) {
-		var ref DirEntry
-		_n, err := binstruct.Unmarshal(dat, &ref)
-		n += _n
-		if err != nil {
-			return n, err
-		}
-		*o = append(*o, ref)
-	}
-	return n, nil
-}
-
-func (o DirEntries) MarshalBinary() ([]byte, error) {
-	var ret []byte
-	for _, ref := range o {
-		bs, err := binstruct.Marshal(ref)
-		ret = append(ret, bs...)
-		if err != nil {
-			return ret, err
-		}
-	}
-	return ret, nil
-}
-
-type DirEntry struct {
-	Location      internal.Key `bin:"off=0x0, siz=0x11"`
-	TransID       int64        `bin:"off=0x11, siz=8"`
-	DataLen       uint16       `bin:"off=0x19, siz=2"` // [ignored-when-writing]
-	NameLen       uint16       `bin:"off=0x1b, siz=2"` // [ignored-when-writing]
-	Type          FileType     `bin:"off=0x1d, siz=1"`
-	binstruct.End `bin:"off=0x1e"`
-	Data          []byte `bin:"-"`
-	Name          []byte `bin:"-"`
-}
-
-func (o *DirEntry) UnmarshalBinary(dat []byte) (int, error) {
-	n, err := binstruct.UnmarshalWithoutInterface(dat, o)
-	if err != nil {
-		return n, err
-	}
-	o.Data = dat[n : n+int(o.DataLen)]
-	n += int(o.DataLen)
-	o.Name = dat[n : n+int(o.NameLen)]
-	n += int(o.NameLen)
-	return n, nil
-}
-
-func (o DirEntry) MarshalBinary() ([]byte, error) {
-	o.DataLen = uint16(len(o.Data))
-	o.NameLen = uint16(len(o.Name))
-	dat, err := binstruct.MarshalWithoutInterface(o)
-	if err != nil {
-		return dat, err
-	}
-	dat = append(dat, o.Data...)
-	dat = append(dat, o.Name...)
-	return dat, nil
-}
-
-type FileType uint8
-
-const (
-	FT_UNKNOWN  = FileType(0)
-	FT_REG_FILE = FileType(1)
-	FT_DIR      = FileType(2)
-	FT_CHRDEV   = FileType(3)
-	FT_BLKDEV   = FileType(4)
-	FT_FIFO     = FileType(5)
-	FT_SOCK     = FileType(6)
-	FT_SYMLINK  = FileType(7)
-	FT_XATTR    = FileType(8)
-
-	FT_MAX = FileType(9)
-)
-
-func (ft FileType) String() string {
-	names := map[FileType]string{
-		FT_UNKNOWN:  "UNKNOWN",
-		FT_REG_FILE: "FILE", // XXX
-		FT_DIR:      "DIR",
-		FT_CHRDEV:   "CHRDEV",
-		FT_BLKDEV:   "BLKDEV",
-		FT_FIFO:     "FIFO",
-		FT_SOCK:     "SOCK",
-		FT_SYMLINK:  "SYMLINK",
-		FT_XATTR:    "XATTR",
-	}
-	if name, ok := names[ft]; ok {
-		return name
-	}
-	return fmt.Sprintf("DIR_ITEM.%d", uint8(ft))
-}