Rename the module, mv pkg lib

1 files changed, 35 insertions, 0 deletions

diff --git a/lib/btrfs/btrfsitem/item_inoderef.go b/lib/btrfs/btrfsitem/item_inoderef.go
new file mode 100644
index 0000000..80d70e1
--- /dev/null
+++ b/lib/btrfs/btrfsitem/item_inoderef.go
@@ -0,0 +1,35 @@
+package btrfsitem
+
+import (
+	"git.lukeshu.com/btrfs-progs-ng/lib/binstruct"
+)
+
+// key.objectid = inode number of the file
+// key.offset = inode number of the parent file
+type InodeRef struct { // INODE_REF=12
+	Index         int64  `bin:"off=0x0, siz=0x8"`
+	NameLen       uint16 `bin:"off=0x8, siz=0x2"` // [ignored-when-writing]
+	binstruct.End `bin:"off=0xa"`
+	Name          []byte `bin:"-"`
+}
+
+func (o *InodeRef) UnmarshalBinary(dat []byte) (int, error) {
+	n, err := binstruct.UnmarshalWithoutInterface(dat, o)
+	if err != nil {
+		return n, err
+	}
+	dat = dat[n:]
+	o.Name = dat[:o.NameLen]
+	n += int(o.NameLen)
+	return n, nil
+}
+
+func (o InodeRef) MarshalBinary() ([]byte, error) {
+	o.NameLen = uint16(len(o.Name))
+	dat, err := binstruct.MarshalWithoutInterface(o)
+	if err != nil {
+		return dat, err
+	}
+	dat = append(dat, o.Name...)
+	return dat, nil
+}