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tiff/lzw: sync to the upstream lzw in the stdlib.

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Change-Id: If6086ada81498327c61e91b18d135aa255401e68
Reviewed-on: https://go-review.googlesource.com/11320
Reviewed-by: David Symonds <dsymonds@golang.org>
This commit is contained in:
Nigel Tao 2015-06-22 10:44:34 +10:00
parent 090ed236cf
commit ef56035c4b
1 changed files with 4 additions and 1 deletions
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5
tiff/lzw/reader.go
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@ -237,10 +237,13 @@ func (d *decoder) Close() error {
// NewReader creates a new io.ReadCloser. // NewReader creates a new io.ReadCloser.
// Reads from the returned io.ReadCloser read and decompress data from r. // Reads from the returned io.ReadCloser read and decompress data from r.
// If r does not also 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 // It is the caller's responsibility to call Close on the ReadCloser when
// finished reading. // finished reading.
// The number of bits to use for literal codes, litWidth, must be in the // The number of bits to use for literal codes, litWidth, must be in the
// range [2,8] and is typically 8. // range [2,8] and is typically 8. It must equal the litWidth
// used during compression.
func NewReader(r io.Reader, order Order, litWidth int) io.ReadCloser { func NewReader(r io.Reader, order Order, litWidth int) io.ReadCloser {
d := new(decoder) d := new(decoder)
switch order { switch order {