mirror of
https://github.com/openfaas/faasd.git
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Migrate to containerd v1.7.0 and update dependencies
* Updates containerd to v1.7.0 and new binary for 32-bit Arm OSes. * Updates Go dependencies - openfaas and external Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
This commit is contained in:
committed by
Alex Ellis
parent
9efd019e86
commit
c41c2cd9fc
140
vendor/github.com/klauspost/compress/zstd/decoder.go
generated
vendored
140
vendor/github.com/klauspost/compress/zstd/decoder.go
generated
vendored
@ -5,7 +5,6 @@
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package zstd
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import (
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"bytes"
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"context"
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"encoding/binary"
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"io"
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@ -35,13 +34,13 @@ type Decoder struct {
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br readerWrapper
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enabled bool
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inFrame bool
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dstBuf []byte
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}
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frame *frameDec
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// Custom dictionaries.
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// Always uses copies.
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dicts map[uint32]dict
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dicts map[uint32]*dict
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// streamWg is the waitgroup for all streams
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streamWg sync.WaitGroup
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@ -103,7 +102,7 @@ func NewReader(r io.Reader, opts ...DOption) (*Decoder, error) {
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}
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// Transfer option dicts.
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d.dicts = make(map[uint32]dict, len(d.o.dicts))
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d.dicts = make(map[uint32]*dict, len(d.o.dicts))
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for _, dc := range d.o.dicts {
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d.dicts[dc.id] = dc
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}
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@ -187,21 +186,23 @@ func (d *Decoder) Reset(r io.Reader) error {
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}
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// If bytes buffer and < 5MB, do sync decoding anyway.
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if bb, ok := r.(byter); ok && bb.Len() < 5<<20 {
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if bb, ok := r.(byter); ok && bb.Len() < d.o.decodeBufsBelow && !d.o.limitToCap {
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bb2 := bb
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if debugDecoder {
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println("*bytes.Buffer detected, doing sync decode, len:", bb.Len())
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}
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b := bb2.Bytes()
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var dst []byte
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if cap(d.current.b) > 0 {
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dst = d.current.b
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if cap(d.syncStream.dstBuf) > 0 {
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dst = d.syncStream.dstBuf[:0]
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}
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dst, err := d.DecodeAll(b, dst[:0])
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dst, err := d.DecodeAll(b, dst)
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if err == nil {
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err = io.EOF
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}
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// Save output buffer
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d.syncStream.dstBuf = dst
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d.current.b = dst
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d.current.err = err
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d.current.flushed = true
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@ -216,6 +217,7 @@ func (d *Decoder) Reset(r io.Reader) error {
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d.current.err = nil
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d.current.flushed = false
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d.current.d = nil
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d.syncStream.dstBuf = nil
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// Ensure no-one else is still running...
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d.streamWg.Wait()
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@ -312,6 +314,7 @@ func (d *Decoder) DecodeAll(input, dst []byte) ([]byte, error) {
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// Grab a block decoder and frame decoder.
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block := <-d.decoders
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frame := block.localFrame
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initialSize := len(dst)
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defer func() {
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if debugDecoder {
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printf("re-adding decoder: %p", block)
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@ -337,21 +340,26 @@ func (d *Decoder) DecodeAll(input, dst []byte) ([]byte, error) {
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}
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return dst, err
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}
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if frame.DictionaryID != nil {
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dict, ok := d.dicts[*frame.DictionaryID]
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if !ok {
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return nil, ErrUnknownDictionary
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}
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if debugDecoder {
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println("setting dict", frame.DictionaryID)
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}
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frame.history.setDict(&dict)
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if err = d.setDict(frame); err != nil {
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return nil, err
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}
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if frame.WindowSize > d.o.maxWindowSize {
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if debugDecoder {
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println("window size exceeded:", frame.WindowSize, ">", d.o.maxWindowSize)
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}
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return dst, ErrWindowSizeExceeded
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}
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if frame.FrameContentSize != fcsUnknown {
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if frame.FrameContentSize > d.o.maxDecodedSize-uint64(len(dst)) {
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if frame.FrameContentSize > d.o.maxDecodedSize-uint64(len(dst)-initialSize) {
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if debugDecoder {
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println("decoder size exceeded; fcs:", frame.FrameContentSize, "> mcs:", d.o.maxDecodedSize-uint64(len(dst)-initialSize), "len:", len(dst))
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}
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return dst, ErrDecoderSizeExceeded
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}
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if d.o.limitToCap && frame.FrameContentSize > uint64(cap(dst)-len(dst)) {
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if debugDecoder {
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println("decoder size exceeded; fcs:", frame.FrameContentSize, "> (cap-len)", cap(dst)-len(dst))
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}
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return dst, ErrDecoderSizeExceeded
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}
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if cap(dst)-len(dst) < int(frame.FrameContentSize) {
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@ -361,7 +369,7 @@ func (d *Decoder) DecodeAll(input, dst []byte) ([]byte, error) {
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}
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}
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if cap(dst) == 0 {
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if cap(dst) == 0 && !d.o.limitToCap {
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// Allocate len(input) * 2 by default if nothing is provided
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// and we didn't get frame content size.
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size := len(input) * 2
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@ -379,6 +387,9 @@ func (d *Decoder) DecodeAll(input, dst []byte) ([]byte, error) {
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if err != nil {
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return dst, err
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}
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if uint64(len(dst)-initialSize) > d.o.maxDecodedSize {
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return dst, ErrDecoderSizeExceeded
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}
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if len(frame.bBuf) == 0 {
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if debugDecoder {
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println("frame dbuf empty")
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@ -439,7 +450,11 @@ func (d *Decoder) nextBlock(blocking bool) (ok bool) {
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println("got", len(d.current.b), "bytes, error:", d.current.err, "data crc:", tmp)
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}
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if !d.o.ignoreChecksum && len(next.b) > 0 {
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if d.o.ignoreChecksum {
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return true
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}
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if len(next.b) > 0 {
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n, err := d.current.crc.Write(next.b)
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if err == nil {
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if n != len(next.b) {
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@ -447,18 +462,16 @@ func (d *Decoder) nextBlock(blocking bool) (ok bool) {
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}
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}
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}
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if next.err == nil && next.d != nil && len(next.d.checkCRC) != 0 {
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got := d.current.crc.Sum64()
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var tmp [4]byte
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binary.LittleEndian.PutUint32(tmp[:], uint32(got))
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if !d.o.ignoreChecksum && !bytes.Equal(tmp[:], next.d.checkCRC) {
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if next.err == nil && next.d != nil && next.d.hasCRC {
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got := uint32(d.current.crc.Sum64())
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if got != next.d.checkCRC {
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if debugDecoder {
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println("CRC Check Failed:", tmp[:], " (got) !=", next.d.checkCRC, "(on stream)")
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printf("CRC Check Failed: %08x (got) != %08x (on stream)\n", got, next.d.checkCRC)
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}
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d.current.err = ErrCRCMismatch
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} else {
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if debugDecoder {
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println("CRC ok", tmp[:])
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printf("CRC ok %08x\n", got)
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}
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}
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}
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@ -474,18 +487,12 @@ func (d *Decoder) nextBlockSync() (ok bool) {
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if !d.syncStream.inFrame {
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d.frame.history.reset()
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d.current.err = d.frame.reset(&d.syncStream.br)
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if d.current.err == nil {
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d.current.err = d.setDict(d.frame)
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}
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if d.current.err != nil {
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return false
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}
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if d.frame.DictionaryID != nil {
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dict, ok := d.dicts[*d.frame.DictionaryID]
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if !ok {
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d.current.err = ErrUnknownDictionary
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return false
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} else {
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d.frame.history.setDict(&dict)
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}
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}
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if d.frame.WindowSize > d.o.maxDecodedSize || d.frame.WindowSize > d.o.maxWindowSize {
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d.current.err = ErrDecoderSizeExceeded
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return false
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@ -664,6 +671,7 @@ func (d *Decoder) startStreamDecoder(ctx context.Context, r io.Reader, output ch
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if debugDecoder {
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println("Async 1: new history, recent:", block.async.newHist.recentOffsets)
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}
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hist.reset()
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hist.decoders = block.async.newHist.decoders
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hist.recentOffsets = block.async.newHist.recentOffsets
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hist.windowSize = block.async.newHist.windowSize
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@ -695,6 +703,7 @@ func (d *Decoder) startStreamDecoder(ctx context.Context, r io.Reader, output ch
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seqExecute <- block
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}
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close(seqExecute)
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hist.reset()
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}()
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var wg sync.WaitGroup
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@ -718,6 +727,7 @@ func (d *Decoder) startStreamDecoder(ctx context.Context, r io.Reader, output ch
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if debugDecoder {
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println("Async 2: new history")
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}
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hist.reset()
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hist.windowSize = block.async.newHist.windowSize
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hist.allocFrameBuffer = block.async.newHist.allocFrameBuffer
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if block.async.newHist.dict != nil {
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@ -747,7 +757,7 @@ func (d *Decoder) startStreamDecoder(ctx context.Context, r io.Reader, output ch
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if block.lowMem {
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block.dst = make([]byte, block.RLESize)
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} else {
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block.dst = make([]byte, maxBlockSize)
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block.dst = make([]byte, maxCompressedBlockSize)
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}
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}
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block.dst = block.dst[:block.RLESize]
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@ -799,13 +809,14 @@ func (d *Decoder) startStreamDecoder(ctx context.Context, r io.Reader, output ch
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if debugDecoder {
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println("decoder goroutines finished")
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}
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hist.reset()
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}()
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var hist history
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decodeStream:
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for {
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var hist history
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var hasErr bool
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hist.reset()
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decodeBlock := func(block *blockDec) {
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if hasErr {
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if block != nil {
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@ -840,15 +851,14 @@ decodeStream:
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if debugDecoder && err != nil {
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println("Frame decoder returned", err)
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}
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if err == nil && frame.DictionaryID != nil {
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dict, ok := d.dicts[*frame.DictionaryID]
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if !ok {
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err = ErrUnknownDictionary
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} else {
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frame.history.setDict(&dict)
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}
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if err == nil {
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err = d.setDict(frame)
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}
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if err == nil && d.frame.WindowSize > d.o.maxWindowSize {
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if debugDecoder {
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println("decoder size exceeded, fws:", d.frame.WindowSize, "> mws:", d.o.maxWindowSize)
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}
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err = ErrDecoderSizeExceeded
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}
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if err != nil {
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@ -890,18 +900,22 @@ decodeStream:
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println("next block returned error:", err)
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}
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dec.err = err
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dec.checkCRC = nil
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dec.hasCRC = false
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if dec.Last && frame.HasCheckSum && err == nil {
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crc, err := frame.rawInput.readSmall(4)
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if err != nil {
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if len(crc) < 4 {
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if err == nil {
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err = io.ErrUnexpectedEOF
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}
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println("CRC missing?", err)
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dec.err = err
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}
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var tmp [4]byte
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copy(tmp[:], crc)
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dec.checkCRC = tmp[:]
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if debugDecoder {
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println("found crc to check:", dec.checkCRC)
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} else {
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dec.checkCRC = binary.LittleEndian.Uint32(crc)
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dec.hasCRC = true
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if debugDecoder {
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printf("found crc to check: %08x\n", dec.checkCRC)
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}
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}
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}
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err = dec.err
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@ -917,5 +931,23 @@ decodeStream:
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}
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close(seqDecode)
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wg.Wait()
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hist.reset()
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d.frame.history.b = frameHistCache
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}
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func (d *Decoder) setDict(frame *frameDec) (err error) {
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dict, ok := d.dicts[frame.DictionaryID]
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if ok {
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if debugDecoder {
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println("setting dict", frame.DictionaryID)
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}
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frame.history.setDict(dict)
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} else if frame.DictionaryID != 0 {
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// A zero or missing dictionary id is ambiguous:
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// either dictionary zero, or no dictionary. In particular,
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// zstd --patch-from uses this id for the source file,
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// so only return an error if the dictionary id is not zero.
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err = ErrUnknownDictionary
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}
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return err
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}
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