1 files changed, 0 insertions, 112 deletions
diff --git a/vendor/github.com/klauspost/compress/zstd/bitwriter.go b/vendor/github.com/klauspost/compress/zstd/bitwriter.go
deleted file mode 100644
index 1952f175b..000000000
--- a/vendor/github.com/klauspost/compress/zstd/bitwriter.go
+++ /dev/null
@@ -1,112 +0,0 @@
-// Copyright 2018 Klaus Post. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-// Based on work Copyright (c) 2013, Yann Collet, released under BSD License.
-
-package zstd
-
-// bitWriter will write bits.
-// First bit will be LSB of the first byte of output.
-type bitWriter struct {
-	bitContainer uint64
-	nBits        uint8
-	out          []byte
-}
-
-// bitMask16 is bitmasks. Has extra to avoid bounds check.
-var bitMask16 = [32]uint16{
-	0, 1, 3, 7, 0xF, 0x1F,
-	0x3F, 0x7F, 0xFF, 0x1FF, 0x3FF, 0x7FF,
-	0xFFF, 0x1FFF, 0x3FFF, 0x7FFF, 0xFFFF, 0xFFFF,
-	0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF,
-	0xFFFF, 0xFFFF} /* up to 16 bits */
-
-var bitMask32 = [32]uint32{
-	0, 1, 3, 7, 0xF, 0x1F, 0x3F, 0x7F, 0xFF,
-	0x1FF, 0x3FF, 0x7FF, 0xFFF, 0x1FFF, 0x3FFF, 0x7FFF, 0xFFFF,
-	0x1ffff, 0x3ffff, 0x7FFFF, 0xfFFFF, 0x1fFFFF, 0x3fFFFF, 0x7fFFFF, 0xffFFFF,
-	0x1ffFFFF, 0x3ffFFFF, 0x7ffFFFF, 0xfffFFFF, 0x1fffFFFF, 0x3fffFFFF, 0x7fffFFFF,
-} // up to 32 bits
-
-// addBits16NC will add up to 16 bits.
-// It will not check if there is space for them,
-// so the caller must ensure that it has flushed recently.
-func (b *bitWriter) addBits16NC(value uint16, bits uint8) {
-	b.bitContainer |= uint64(value&bitMask16[bits&31]) << (b.nBits & 63)
-	b.nBits += bits
-}
-
-// addBits32NC will add up to 31 bits.
-// It will not check if there is space for them,
-// so the caller must ensure that it has flushed recently.
-func (b *bitWriter) addBits32NC(value uint32, bits uint8) {
-	b.bitContainer |= uint64(value&bitMask32[bits&31]) << (b.nBits & 63)
-	b.nBits += bits
-}
-
-// addBits64NC will add up to 64 bits.
-// There must be space for 32 bits.
-func (b *bitWriter) addBits64NC(value uint64, bits uint8) {
-	if bits <= 31 {
-		b.addBits32Clean(uint32(value), bits)
-		return
-	}
-	b.addBits32Clean(uint32(value), 32)
-	b.flush32()
-	b.addBits32Clean(uint32(value>>32), bits-32)
-}
-
-// addBits32Clean will add up to 32 bits.
-// It will not check if there is space for them.
-// The input must not contain more bits than specified.
-func (b *bitWriter) addBits32Clean(value uint32, bits uint8) {
-	b.bitContainer |= uint64(value) << (b.nBits & 63)
-	b.nBits += bits
-}
-
-// addBits16Clean will add up to 16 bits. value may not contain more set bits than indicated.
-// It will not check if there is space for them, so the caller must ensure that it has flushed recently.
-func (b *bitWriter) addBits16Clean(value uint16, bits uint8) {
-	b.bitContainer |= uint64(value) << (b.nBits & 63)
-	b.nBits += bits
-}
-
-// flush32 will flush out, so there are at least 32 bits available for writing.
-func (b *bitWriter) flush32() {
-	if b.nBits < 32 {
-		return
-	}
-	b.out = append(b.out,
-		byte(b.bitContainer),
-		byte(b.bitContainer>>8),
-		byte(b.bitContainer>>16),
-		byte(b.bitContainer>>24))
-	b.nBits -= 32
-	b.bitContainer >>= 32
-}
-
-// flushAlign will flush remaining full bytes and align to next byte boundary.
-func (b *bitWriter) flushAlign() {
-	nbBytes := (b.nBits + 7) >> 3
-	for i := uint8(0); i < nbBytes; i++ {
-		b.out = append(b.out, byte(b.bitContainer>>(i*8)))
-	}
-	b.nBits = 0
-	b.bitContainer = 0
-}
-
-// close will write the alignment bit and write the final byte(s)
-// to the output.
-func (b *bitWriter) close() {
-	// End mark
-	b.addBits16Clean(1, 1)
-	// flush until next byte.
-	b.flushAlign()
-}
-
-// reset and continue writing by appending to out.
-func (b *bitWriter) reset(out []byte) {
-	b.bitContainer = 0
-	b.nBits = 0
-	b.out = out
-}