wip ls-files

1 files changed, 34 insertions, 2 deletions

diff --git a/lib/btrfs/btrfsitem/item_inoderef.go b/lib/btrfs/btrfsitem/item_inoderef.go
index b1eaf1b..083f19e 100644
--- a/lib/btrfs/btrfsitem/item_inoderef.go
+++ b/lib/btrfs/btrfsitem/item_inoderef.go
@@ -12,8 +12,40 @@ import (
 )
 
 // key.objectid = inode number of the file
-// key.offset = inode number of the parent file
-type InodeRef struct { // INODE_REF=12
+// key.offset = inode number of the parent directory
+//
+// Might have multiple entries if the same file has multiple hardlinks
+// in the same directory.
+type InodeRefs []InodeRef // INODE_REF=12
+
+func (o *InodeRefs) UnmarshalBinary(dat []byte) (int, error) {
+	*o = nil
+	n := 0
+	for n < len(dat) {
+		var ref InodeRef
+		_n, err := binstruct.Unmarshal(dat[n:], &ref)
+		n += _n
+		if err != nil {
+			return n, err
+		}
+		*o = append(*o, ref)
+	}
+	return n, nil
+}
+
+func (o InodeRefs) MarshalBinary() ([]byte, error) {
+	var dat []byte
+	for _, ref := range o {
+		_dat, err := binstruct.Marshal(ref)
+		dat = append(dat, _dat...)
+		if err != nil {
+			return dat, err
+		}
+	}
+	return dat, nil
+}
+
+type InodeRef struct {
 	Index         int64  `bin:"off=0x0, siz=0x8"`
 	NameLen       uint16 `bin:"off=0x8, siz=0x2"` // [ignored-when-writing]
 	binstruct.End `bin:"off=0xa"`