overlay

Documentation

Index

• type Output
• type Overlay
  • func NewOverlay() *Overlay
  • func (o *Overlay) ApplyTo(dest Output) error
  • func (o *Overlay) ClearJournal()
  • func (o *Overlay) DumpJournal(target io.Writer) (err error)
  • func (o *Overlay) GetCurrentSize() (n int64)
  • func (o *Overlay) GetSizeRange() (min int64, max int64)
  • func (o *Overlay) LoadJournal(source io.Reader) (err error)
  • func (o *Overlay) ReadOverAt(p []byte, off int64) int
  • func (o *Overlay) String() string
  • func (o *Overlay) Truncate(i int64) error
  • func (o *Overlay) WriteAt(p []byte, off int64) (n int, err error)

Types

type Output

type Output interface {
	Truncate(int64) error
	WriteAt(p []byte, off int64) (n int, err error)
}

type Overlay

type Overlay struct {
	// contains filtered or unexported fields
}

func NewOverlay

func NewOverlay() *Overlay

func (*Overlay) ApplyTo

func (o *Overlay) ApplyTo(dest Output) error

func (*Overlay) ClearJournal

func (o *Overlay) ClearJournal()

func (*Overlay) DumpJournal

func (o *Overlay) DumpJournal(target io.Writer) (err error)

func (*Overlay) GetCurrentSize

func (o *Overlay) GetCurrentSize() (n int64)

func (*Overlay) GetSizeRange

func (o *Overlay) GetSizeRange() (min int64, max int64)

func (*Overlay) LoadJournal

func (o *Overlay) LoadJournal(source io.Reader) (err error)

func (*Overlay) ReadOverAt

func (o *Overlay) ReadOverAt(p []byte, off int64) int

func (*Overlay) String

func (o *Overlay) String() string

func (*Overlay) Truncate

func (o *Overlay) Truncate(i int64) error

func (*Overlay) WriteAt

func (o *Overlay) WriteAt(p []byte, off int64) (n int, err error)