diff options
Diffstat (limited to 'vendor/github.com/klauspost/compress/zstd')
8 files changed, 74 insertions, 43 deletions
diff --git a/vendor/github.com/klauspost/compress/zstd/blockdec.go b/vendor/github.com/klauspost/compress/zstd/blockdec.go index 03744fbc7..9c28840c3 100644 --- a/vendor/github.com/klauspost/compress/zstd/blockdec.go +++ b/vendor/github.com/klauspost/compress/zstd/blockdec.go @@ -598,7 +598,9 @@ func (b *blockDec) prepareSequences(in []byte, hist *history) (err error) { printf("RLE set to 0x%x, code: %v", symb, v) } case compModeFSE: - println("Reading table for", tableIndex(i)) + if debugDecoder { + println("Reading table for", tableIndex(i)) + } if seq.fse == nil || seq.fse.preDefined { seq.fse = fseDecoderPool.Get().(*fseDecoder) } diff --git a/vendor/github.com/klauspost/compress/zstd/enc_better.go b/vendor/github.com/klauspost/compress/zstd/enc_better.go index a4f5bf91f..84a79fde7 100644 --- a/vendor/github.com/klauspost/compress/zstd/enc_better.go +++ b/vendor/github.com/klauspost/compress/zstd/enc_better.go @@ -179,9 +179,9 @@ encodeLoop: if repIndex >= 0 && load3232(src, repIndex) == uint32(cv>>(repOff*8)) { // Consider history as well. var seq seq - lenght := 4 + e.matchlen(s+4+repOff, repIndex+4, src) + length := 4 + e.matchlen(s+4+repOff, repIndex+4, src) - seq.matchLen = uint32(lenght - zstdMinMatch) + seq.matchLen = uint32(length - zstdMinMatch) // We might be able to match backwards. // Extend as long as we can. @@ -210,12 +210,12 @@ encodeLoop: // Index match start+1 (long) -> s - 1 index0 := s + repOff - s += lenght + repOff + s += length + repOff nextEmit = s if s >= sLimit { if debugEncoder { - println("repeat ended", s, lenght) + println("repeat ended", s, length) } break encodeLoop @@ -241,9 +241,9 @@ encodeLoop: if false && repIndex >= 0 && load6432(src, repIndex) == load6432(src, s+repOff) { // Consider history as well. var seq seq - lenght := 8 + e.matchlen(s+8+repOff2, repIndex+8, src) + length := 8 + e.matchlen(s+8+repOff2, repIndex+8, src) - seq.matchLen = uint32(lenght - zstdMinMatch) + seq.matchLen = uint32(length - zstdMinMatch) // We might be able to match backwards. // Extend as long as we can. @@ -270,11 +270,11 @@ encodeLoop: } blk.sequences = append(blk.sequences, seq) - s += lenght + repOff2 + s += length + repOff2 nextEmit = s if s >= sLimit { if debugEncoder { - println("repeat ended", s, lenght) + println("repeat ended", s, length) } break encodeLoop @@ -708,9 +708,9 @@ encodeLoop: if repIndex >= 0 && load3232(src, repIndex) == uint32(cv>>(repOff*8)) { // Consider history as well. var seq seq - lenght := 4 + e.matchlen(s+4+repOff, repIndex+4, src) + length := 4 + e.matchlen(s+4+repOff, repIndex+4, src) - seq.matchLen = uint32(lenght - zstdMinMatch) + seq.matchLen = uint32(length - zstdMinMatch) // We might be able to match backwards. // Extend as long as we can. @@ -738,12 +738,12 @@ encodeLoop: blk.sequences = append(blk.sequences, seq) // Index match start+1 (long) -> s - 1 - s += lenght + repOff + s += length + repOff nextEmit = s if s >= sLimit { if debugEncoder { - println("repeat ended", s, lenght) + println("repeat ended", s, length) } break encodeLoop @@ -772,9 +772,9 @@ encodeLoop: if false && repIndex >= 0 && load6432(src, repIndex) == load6432(src, s+repOff) { // Consider history as well. var seq seq - lenght := 8 + e.matchlen(s+8+repOff2, repIndex+8, src) + length := 8 + e.matchlen(s+8+repOff2, repIndex+8, src) - seq.matchLen = uint32(lenght - zstdMinMatch) + seq.matchLen = uint32(length - zstdMinMatch) // We might be able to match backwards. // Extend as long as we can. @@ -801,11 +801,11 @@ encodeLoop: } blk.sequences = append(blk.sequences, seq) - s += lenght + repOff2 + s += length + repOff2 nextEmit = s if s >= sLimit { if debugEncoder { - println("repeat ended", s, lenght) + println("repeat ended", s, length) } break encodeLoop diff --git a/vendor/github.com/klauspost/compress/zstd/enc_dfast.go b/vendor/github.com/klauspost/compress/zstd/enc_dfast.go index a154c18f7..d36be7bd8 100644 --- a/vendor/github.com/klauspost/compress/zstd/enc_dfast.go +++ b/vendor/github.com/klauspost/compress/zstd/enc_dfast.go @@ -138,9 +138,9 @@ encodeLoop: if repIndex >= 0 && load3232(src, repIndex) == uint32(cv>>(repOff*8)) { // Consider history as well. var seq seq - lenght := 4 + e.matchlen(s+4+repOff, repIndex+4, src) + length := 4 + e.matchlen(s+4+repOff, repIndex+4, src) - seq.matchLen = uint32(lenght - zstdMinMatch) + seq.matchLen = uint32(length - zstdMinMatch) // We might be able to match backwards. // Extend as long as we can. @@ -166,11 +166,11 @@ encodeLoop: println("repeat sequence", seq, "next s:", s) } blk.sequences = append(blk.sequences, seq) - s += lenght + repOff + s += length + repOff nextEmit = s if s >= sLimit { if debugEncoder { - println("repeat ended", s, lenght) + println("repeat ended", s, length) } break encodeLoop @@ -798,9 +798,9 @@ encodeLoop: if repIndex >= 0 && load3232(src, repIndex) == uint32(cv>>(repOff*8)) { // Consider history as well. var seq seq - lenght := 4 + e.matchlen(s+4+repOff, repIndex+4, src) + length := 4 + e.matchlen(s+4+repOff, repIndex+4, src) - seq.matchLen = uint32(lenght - zstdMinMatch) + seq.matchLen = uint32(length - zstdMinMatch) // We might be able to match backwards. // Extend as long as we can. @@ -826,11 +826,11 @@ encodeLoop: println("repeat sequence", seq, "next s:", s) } blk.sequences = append(blk.sequences, seq) - s += lenght + repOff + s += length + repOff nextEmit = s if s >= sLimit { if debugEncoder { - println("repeat ended", s, lenght) + println("repeat ended", s, length) } break encodeLoop diff --git a/vendor/github.com/klauspost/compress/zstd/encoder.go b/vendor/github.com/klauspost/compress/zstd/encoder.go index 72af7ef0f..8f8223cd3 100644 --- a/vendor/github.com/klauspost/compress/zstd/encoder.go +++ b/vendor/github.com/klauspost/compress/zstd/encoder.go @@ -6,6 +6,7 @@ package zstd import ( "crypto/rand" + "errors" "fmt" "io" "math" @@ -149,6 +150,9 @@ func (e *Encoder) ResetContentSize(w io.Writer, size int64) { // and write CRC if requested. func (e *Encoder) Write(p []byte) (n int, err error) { s := &e.state + if s.eofWritten { + return 0, ErrEncoderClosed + } for len(p) > 0 { if len(p)+len(s.filling) < e.o.blockSize { if e.o.crc { @@ -202,7 +206,7 @@ func (e *Encoder) nextBlock(final bool) error { return nil } if final && len(s.filling) > 0 { - s.current = e.EncodeAll(s.filling, s.current[:0]) + s.current = e.encodeAll(s.encoder, s.filling, s.current[:0]) var n2 int n2, s.err = s.w.Write(s.current) if s.err != nil { @@ -288,6 +292,9 @@ func (e *Encoder) nextBlock(final bool) error { s.filling, s.current, s.previous = s.previous[:0], s.filling, s.current s.nInput += int64(len(s.current)) s.wg.Add(1) + if final { + s.eofWritten = true + } go func(src []byte) { if debugEncoder { println("Adding block,", len(src), "bytes, final:", final) @@ -303,9 +310,6 @@ func (e *Encoder) nextBlock(final bool) error { blk := enc.Block() enc.Encode(blk, src) blk.last = final - if final { - s.eofWritten = true - } // Wait for pending writes. s.wWg.Wait() if s.writeErr != nil { @@ -401,12 +405,20 @@ func (e *Encoder) Flush() error { if len(s.filling) > 0 { err := e.nextBlock(false) if err != nil { + // Ignore Flush after Close. + if errors.Is(s.err, ErrEncoderClosed) { + return nil + } return err } } s.wg.Wait() s.wWg.Wait() if s.err != nil { + // Ignore Flush after Close. + if errors.Is(s.err, ErrEncoderClosed) { + return nil + } return s.err } return s.writeErr @@ -422,6 +434,9 @@ func (e *Encoder) Close() error { } err := e.nextBlock(true) if err != nil { + if errors.Is(s.err, ErrEncoderClosed) { + return nil + } return err } if s.frameContentSize > 0 { @@ -459,6 +474,11 @@ func (e *Encoder) Close() error { } _, s.err = s.w.Write(frame) } + if s.err == nil { + s.err = ErrEncoderClosed + return nil + } + return s.err } @@ -469,6 +489,15 @@ func (e *Encoder) Close() error { // Data compressed with EncodeAll can be decoded with the Decoder, // using either a stream or DecodeAll. func (e *Encoder) EncodeAll(src, dst []byte) []byte { + e.init.Do(e.initialize) + enc := <-e.encoders + defer func() { + e.encoders <- enc + }() + return e.encodeAll(enc, src, dst) +} + +func (e *Encoder) encodeAll(enc encoder, src, dst []byte) []byte { if len(src) == 0 { if e.o.fullZero { // Add frame header. @@ -491,13 +520,7 @@ func (e *Encoder) EncodeAll(src, dst []byte) []byte { } return dst } - e.init.Do(e.initialize) - enc := <-e.encoders - defer func() { - // Release encoder reference to last block. - // If a non-single block is needed the encoder will reset again. - e.encoders <- enc - }() + // Use single segments when above minimum window and below window size. single := len(src) <= e.o.windowSize && len(src) > MinWindowSize if e.o.single != nil { diff --git a/vendor/github.com/klauspost/compress/zstd/framedec.go b/vendor/github.com/klauspost/compress/zstd/framedec.go index 53e160f7e..e47af66e7 100644 --- a/vendor/github.com/klauspost/compress/zstd/framedec.go +++ b/vendor/github.com/klauspost/compress/zstd/framedec.go @@ -146,7 +146,9 @@ func (d *frameDec) reset(br byteBuffer) error { } return err } - printf("raw: %x, mantissa: %d, exponent: %d\n", wd, wd&7, wd>>3) + if debugDecoder { + printf("raw: %x, mantissa: %d, exponent: %d\n", wd, wd&7, wd>>3) + } windowLog := 10 + (wd >> 3) windowBase := uint64(1) << windowLog windowAdd := (windowBase / 8) * uint64(wd&0x7) diff --git a/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.go b/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.go index 8adabd828..c59f17e07 100644 --- a/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.go +++ b/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.go @@ -146,7 +146,7 @@ func (s *sequenceDecs) decodeSyncSimple(hist []byte) (bool, error) { return true, fmt.Errorf("output bigger than max block size (%d)", maxBlockSize) default: - return true, fmt.Errorf("sequenceDecs_decode returned erronous code %d", errCode) + return true, fmt.Errorf("sequenceDecs_decode returned erroneous code %d", errCode) } s.seqSize += ctx.litRemain @@ -292,7 +292,7 @@ func (s *sequenceDecs) decode(seqs []seqVals) error { return io.ErrUnexpectedEOF } - return fmt.Errorf("sequenceDecs_decode_amd64 returned erronous code %d", errCode) + return fmt.Errorf("sequenceDecs_decode_amd64 returned erroneous code %d", errCode) } if ctx.litRemain < 0 { diff --git a/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.s b/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.s index 5b06174b8..f5591fa1e 100644 --- a/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.s +++ b/vendor/github.com/klauspost/compress/zstd/seqdec_amd64.s @@ -1814,7 +1814,7 @@ TEXT ·sequenceDecs_decodeSync_amd64(SB), $64-32 MOVQ 40(SP), AX ADDQ AX, 48(SP) - // Calculate poiter to s.out[cap(s.out)] (a past-end pointer) + // Calculate pointer to s.out[cap(s.out)] (a past-end pointer) ADDQ R10, 32(SP) // outBase += outPosition @@ -2376,7 +2376,7 @@ TEXT ·sequenceDecs_decodeSync_bmi2(SB), $64-32 MOVQ 40(SP), CX ADDQ CX, 48(SP) - // Calculate poiter to s.out[cap(s.out)] (a past-end pointer) + // Calculate pointer to s.out[cap(s.out)] (a past-end pointer) ADDQ R9, 32(SP) // outBase += outPosition @@ -2896,7 +2896,7 @@ TEXT ·sequenceDecs_decodeSync_safe_amd64(SB), $64-32 MOVQ 40(SP), AX ADDQ AX, 48(SP) - // Calculate poiter to s.out[cap(s.out)] (a past-end pointer) + // Calculate pointer to s.out[cap(s.out)] (a past-end pointer) ADDQ R10, 32(SP) // outBase += outPosition @@ -3560,7 +3560,7 @@ TEXT ·sequenceDecs_decodeSync_safe_bmi2(SB), $64-32 MOVQ 40(SP), CX ADDQ CX, 48(SP) - // Calculate poiter to s.out[cap(s.out)] (a past-end pointer) + // Calculate pointer to s.out[cap(s.out)] (a past-end pointer) ADDQ R9, 32(SP) // outBase += outPosition diff --git a/vendor/github.com/klauspost/compress/zstd/zstd.go b/vendor/github.com/klauspost/compress/zstd/zstd.go index 4be7cc736..066bef2a4 100644 --- a/vendor/github.com/klauspost/compress/zstd/zstd.go +++ b/vendor/github.com/klauspost/compress/zstd/zstd.go @@ -88,6 +88,10 @@ var ( // Close has been called. ErrDecoderClosed = errors.New("decoder used after Close") + // ErrEncoderClosed will be returned if the Encoder was used after + // Close has been called. + ErrEncoderClosed = errors.New("encoder used after Close") + // ErrDecoderNilInput is returned when a nil Reader was provided // and an operation other than Reset/DecodeAll/Close was attempted. ErrDecoderNilInput = errors.New("nil input provided as reader") |