go/src/compress/zlib/reader.go

const zlibDeflate …

const zlibMaxWindow …

var ErrChecksum …

var ErrDictionary …

var ErrHeader …

type reader …

type Resetter …

// NewReader creates a new ReadCloser.
// Reads from the returned ReadCloser read and decompress data from r.
// If r does not implement [io.ByteReader], the decompressor may read more
// data than necessary from r.
// It is the caller's responsibility to call Close on the ReadCloser when done.
//
// The [io.ReadCloser] returned by NewReader also implements [Resetter].
func NewReader(r io.Reader) (io.ReadCloser, error) { … }

// NewReaderDict is like [NewReader] but uses a preset dictionary.
// NewReaderDict ignores the dictionary if the compressed data does not refer to it.
// If the compressed data refers to a different dictionary, NewReaderDict returns [ErrDictionary].
//
// The ReadCloser returned by NewReaderDict also implements [Resetter].
func NewReaderDict(r io.Reader, dict []byte) (io.ReadCloser, error) { … }

func (z *reader) Read(p []byte) (int, error) { … }

// Calling Close does not close the wrapped [io.Reader] originally passed to [NewReader].
// In order for the ZLIB checksum to be verified, the reader must be
// fully consumed until the [io.EOF].
func (z *reader) Close() error { … }

func (z *reader) Reset(r io.Reader, dict []byte) error { … }