Files
squashfs/internal/inode/dir.go
T
Caleb Gardner 16ef5838c3 Move changes from exp2 to main
This is largely a move to simplify a lot of the readers
Also further breaks out functions.
2022-05-10 01:12:13 -05:00

66 lines
1.1 KiB
Go

package inode
import (
"encoding/binary"
"io"
)
type Directory struct {
BlockStart uint32
LinkCount uint32
Size uint16
Offset uint16
ParentNum uint32
}
type eDirectoryInit struct {
LinkCount uint32
Size uint32
BlockStart uint32
ParentNum uint32
IndCount uint16
Offset uint16
XattrInd uint32
}
type EDirectory struct {
eDirectoryInit
Indexes []DirectoryIndex
}
type directoryIndexInit struct {
Ind uint32
Start uint32
NameSize uint32
}
type DirectoryIndex struct {
directoryIndexInit
Name []byte
}
func ReadDir(r io.Reader) (d Directory, err error) {
err = binary.Read(r, binary.LittleEndian, &d)
return
}
func ReadEDir(r io.Reader) (d EDirectory, err error) {
err = binary.Read(r, binary.LittleEndian, &d.eDirectoryInit)
if err != nil {
return
}
d.Indexes = make([]DirectoryIndex, d.IndCount)
for i := range d.Indexes {
err = binary.Read(r, binary.LittleEndian, &d.Indexes[i].directoryIndexInit)
if err != nil {
return
}
d.Indexes[i].Name = make([]byte, d.Indexes[i].NameSize+1)
err = binary.Read(r, binary.LittleEndian, &d.Indexes[i].Name)
if err != nil {
return
}
}
return
}