replace dep with go modules (#16017)
- guide shamelessly stolen from prometheus/prometheus - updates local interface of oauth exchange - updates local impl of hclogger - bump jaeger client version closes #16088
This commit is contained in:
+1
@@ -1,5 +1,6 @@
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//+build !noasm
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//+build !appengine
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//+build !gccgo
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// Copyright 2015, Klaus Post, see LICENSE for details.
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+1
@@ -1,5 +1,6 @@
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//+build !noasm
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//+build !appengine
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//+build !gccgo
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// Copyright 2015, Klaus Post, see LICENSE for details.
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+1
-1
@@ -1,4 +1,4 @@
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//+build !amd64 noasm appengine
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//+build !amd64 noasm appengine gccgo
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// Copyright 2015, Klaus Post, see LICENSE for details.
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+71
-37
@@ -10,12 +10,14 @@ package flate
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import (
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"bufio"
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"io"
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"math/bits"
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"strconv"
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"sync"
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)
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const (
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maxCodeLen = 16 // max length of Huffman code
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maxCodeLen = 16 // max length of Huffman code
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maxCodeLenMask = 15 // mask for max length of Huffman code
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// The next three numbers come from the RFC section 3.2.7, with the
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// additional proviso in section 3.2.5 which implies that distance codes
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// 30 and 31 should never occur in compressed data.
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@@ -101,10 +103,10 @@ const (
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)
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type huffmanDecoder struct {
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min int // the minimum code length
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chunks [huffmanNumChunks]uint32 // chunks as described above
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links [][]uint32 // overflow links
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linkMask uint32 // mask the width of the link table
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min int // the minimum code length
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chunks *[huffmanNumChunks]uint32 // chunks as described above
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links [][]uint32 // overflow links
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linkMask uint32 // mask the width of the link table
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}
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// Initialize Huffman decoding tables from array of code lengths.
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@@ -112,21 +114,24 @@ type huffmanDecoder struct {
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// tree (i.e., neither over-subscribed nor under-subscribed). The exception is a
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// degenerate case where the tree has only a single symbol with length 1. Empty
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// trees are permitted.
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func (h *huffmanDecoder) init(bits []int) bool {
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func (h *huffmanDecoder) init(lengths []int) bool {
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// Sanity enables additional runtime tests during Huffman
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// table construction. It's intended to be used during
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// development to supplement the currently ad-hoc unit tests.
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const sanity = false
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if h.chunks == nil {
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h.chunks = &[huffmanNumChunks]uint32{}
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}
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if h.min != 0 {
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*h = huffmanDecoder{}
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*h = huffmanDecoder{chunks: h.chunks, links: h.links}
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}
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// Count number of codes of each length,
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// compute min and max length.
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var count [maxCodeLen]int
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var min, max int
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for _, n := range bits {
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for _, n := range lengths {
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if n == 0 {
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continue
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}
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@@ -136,7 +141,7 @@ func (h *huffmanDecoder) init(bits []int) bool {
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if n > max {
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max = n
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}
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count[n]++
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count[n&maxCodeLenMask]++
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}
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// Empty tree. The decompressor.huffSym function will fail later if the tree
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@@ -154,8 +159,8 @@ func (h *huffmanDecoder) init(bits []int) bool {
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var nextcode [maxCodeLen]int
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for i := min; i <= max; i++ {
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code <<= 1
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nextcode[i] = code
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code += count[i]
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nextcode[i&maxCodeLenMask] = code
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code += count[i&maxCodeLenMask]
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}
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// Check that the coding is complete (i.e., that we've
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@@ -168,33 +173,49 @@ func (h *huffmanDecoder) init(bits []int) bool {
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}
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h.min = min
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chunks := h.chunks[:]
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for i := range chunks {
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chunks[i] = 0
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}
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if max > huffmanChunkBits {
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numLinks := 1 << (uint(max) - huffmanChunkBits)
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h.linkMask = uint32(numLinks - 1)
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// create link tables
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link := nextcode[huffmanChunkBits+1] >> 1
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h.links = make([][]uint32, huffmanNumChunks-link)
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if cap(h.links) < huffmanNumChunks-link {
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h.links = make([][]uint32, huffmanNumChunks-link)
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} else {
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h.links = h.links[:huffmanNumChunks-link]
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}
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for j := uint(link); j < huffmanNumChunks; j++ {
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reverse := int(reverseByte[j>>8]) | int(reverseByte[j&0xff])<<8
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reverse := int(bits.Reverse16(uint16(j)))
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reverse >>= uint(16 - huffmanChunkBits)
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off := j - uint(link)
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if sanity && h.chunks[reverse] != 0 {
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panic("impossible: overwriting existing chunk")
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}
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h.chunks[reverse] = uint32(off<<huffmanValueShift | (huffmanChunkBits + 1))
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h.links[off] = make([]uint32, numLinks)
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if cap(h.links[off]) < numLinks {
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h.links[off] = make([]uint32, numLinks)
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} else {
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links := h.links[off][:0]
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h.links[off] = links[:numLinks]
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}
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}
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} else {
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h.links = h.links[:0]
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}
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for i, n := range bits {
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for i, n := range lengths {
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if n == 0 {
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continue
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}
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code := nextcode[n]
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nextcode[n]++
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chunk := uint32(i<<huffmanValueShift | n)
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reverse := int(reverseByte[code>>8]) | int(reverseByte[code&0xff])<<8
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reverse := int(bits.Reverse16(uint16(code)))
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reverse >>= uint(16 - n)
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if n <= huffmanChunkBits {
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for off := reverse; off < len(h.chunks); off += 1 << uint(n) {
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@@ -589,7 +610,7 @@ readLiteral:
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return
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}
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}
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dist = int(reverseByte[(f.b&0x1F)<<3])
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dist = int(bits.Reverse8(uint8(f.b & 0x1F << 3)))
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f.b >>= 5
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f.nb -= 5
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} else {
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@@ -661,10 +682,7 @@ func (f *decompressor) dataBlock() {
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nr, err := io.ReadFull(f.r, f.buf[0:4])
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f.roffset += int64(nr)
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if err != nil {
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if err == io.EOF {
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err = io.ErrUnexpectedEOF
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}
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f.err = err
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f.err = noEOF(err)
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return
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}
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n := int(f.buf[0]) | int(f.buf[1])<<8
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@@ -697,10 +715,7 @@ func (f *decompressor) copyData() {
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f.copyLen -= cnt
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f.dict.writeMark(cnt)
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if err != nil {
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if err == io.EOF {
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err = io.ErrUnexpectedEOF
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}
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f.err = err
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f.err = noEOF(err)
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return
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}
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@@ -722,13 +737,18 @@ func (f *decompressor) finishBlock() {
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f.step = (*decompressor).nextBlock
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}
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// noEOF returns err, unless err == io.EOF, in which case it returns io.ErrUnexpectedEOF.
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func noEOF(e error) error {
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if e == io.EOF {
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return io.ErrUnexpectedEOF
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}
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return e
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}
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func (f *decompressor) moreBits() error {
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c, err := f.r.ReadByte()
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if err != nil {
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if err == io.EOF {
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err = io.ErrUnexpectedEOF
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}
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return err
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return noEOF(err)
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}
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f.roffset++
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f.b |= uint32(c) << f.nb
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@@ -743,25 +763,37 @@ func (f *decompressor) huffSym(h *huffmanDecoder) (int, error) {
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// cases, the chunks slice will be 0 for the invalid sequence, leading it
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// satisfy the n == 0 check below.
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n := uint(h.min)
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// Optimization. Compiler isn't smart enough to keep f.b,f.nb in registers,
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// but is smart enough to keep local variables in registers, so use nb and b,
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// inline call to moreBits and reassign b,nb back to f on return.
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nb, b := f.nb, f.b
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for {
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for f.nb < n {
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if err := f.moreBits(); err != nil {
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return 0, err
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for nb < n {
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c, err := f.r.ReadByte()
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if err != nil {
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f.b = b
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f.nb = nb
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return 0, noEOF(err)
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}
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f.roffset++
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b |= uint32(c) << (nb & 31)
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nb += 8
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}
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chunk := h.chunks[f.b&(huffmanNumChunks-1)]
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chunk := h.chunks[b&(huffmanNumChunks-1)]
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n = uint(chunk & huffmanCountMask)
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if n > huffmanChunkBits {
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chunk = h.links[chunk>>huffmanValueShift][(f.b>>huffmanChunkBits)&h.linkMask]
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chunk = h.links[chunk>>huffmanValueShift][(b>>huffmanChunkBits)&h.linkMask]
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n = uint(chunk & huffmanCountMask)
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}
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if n <= f.nb {
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if n <= nb {
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if n == 0 {
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f.b = b
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f.nb = nb
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f.err = CorruptInputError(f.roffset)
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return 0, f.err
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}
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f.b >>= n
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f.nb -= n
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f.b = b >> (n & 31)
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f.nb = nb - n
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return int(chunk >> huffmanValueShift), nil
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}
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}
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@@ -799,6 +831,8 @@ func (f *decompressor) Reset(r io.Reader, dict []byte) error {
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r: makeReader(r),
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bits: f.bits,
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codebits: f.codebits,
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h1: f.h1,
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h2: f.h2,
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dict: f.dict,
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step: (*decompressor).nextBlock,
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}
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+1
-1
@@ -10,11 +10,11 @@ import (
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"bufio"
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"encoding/binary"
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"errors"
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"hash/crc32"
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"io"
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"time"
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"github.com/klauspost/compress/flate"
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"github.com/klauspost/crc32"
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)
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const (
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+1
-1
@@ -7,10 +7,10 @@ package gzip
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import (
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"errors"
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"fmt"
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"hash/crc32"
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"io"
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"github.com/klauspost/compress/flate"
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"github.com/klauspost/crc32"
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)
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// These constants are copied from the flate package, so that code that imports
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-15
@@ -1,15 +0,0 @@
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# This is the official list of Snappy-Go authors for copyright purposes.
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# This file is distinct from the CONTRIBUTORS files.
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# See the latter for an explanation.
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# Names should be added to this file as
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# Name or Organization <email address>
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# The email address is not required for organizations.
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# Please keep the list sorted.
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Damian Gryski <dgryski@gmail.com>
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Google Inc.
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Jan Mercl <0xjnml@gmail.com>
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Rodolfo Carvalho <rhcarvalho@gmail.com>
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Sebastien Binet <seb.binet@gmail.com>
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-37
@@ -1,37 +0,0 @@
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# This is the official list of people who can contribute
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# (and typically have contributed) code to the Snappy-Go repository.
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# The AUTHORS file lists the copyright holders; this file
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# lists people. For example, Google employees are listed here
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# but not in AUTHORS, because Google holds the copyright.
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#
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# The submission process automatically checks to make sure
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# that people submitting code are listed in this file (by email address).
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#
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# Names should be added to this file only after verifying that
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# the individual or the individual's organization has agreed to
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# the appropriate Contributor License Agreement, found here:
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#
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# http://code.google.com/legal/individual-cla-v1.0.html
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# http://code.google.com/legal/corporate-cla-v1.0.html
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#
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# The agreement for individuals can be filled out on the web.
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#
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# When adding J Random Contributor's name to this file,
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# either J's name or J's organization's name should be
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# added to the AUTHORS file, depending on whether the
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# individual or corporate CLA was used.
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# Names should be added to this file like so:
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# Name <email address>
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# Please keep the list sorted.
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Damian Gryski <dgryski@gmail.com>
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Jan Mercl <0xjnml@gmail.com>
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Kai Backman <kaib@golang.org>
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Marc-Antoine Ruel <maruel@chromium.org>
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Nigel Tao <nigeltao@golang.org>
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Rob Pike <r@golang.org>
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Rodolfo Carvalho <rhcarvalho@gmail.com>
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Russ Cox <rsc@golang.org>
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Sebastien Binet <seb.binet@gmail.com>
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-27
@@ -1,27 +0,0 @@
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Copyright (c) 2011 The Snappy-Go Authors. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
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||||
* Redistributions in binary form must reproduce the above
|
||||
copyright notice, this list of conditions and the following disclaimer
|
||||
in the documentation and/or other materials provided with the
|
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distribution.
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* Neither the name of Google Inc. nor the names of its
|
||||
contributors may be used to endorse or promote products derived from
|
||||
this software without specific prior written permission.
|
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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Reference in New Issue
Block a user