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vendor containers/storage v1.23.5

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Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
This commit is contained in:
Daniel J Walsh
2020-09-10 09:31:28 -04:00
parent 08b602043e
commit 98620c56d6
31 changed files with 692 additions and 501 deletions
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26
vendor/github.com/klauspost/compress/zstd/frameenc.go generated vendored
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@ -5,6 +5,7 @@
package zstd
import (
"encoding/binary"
"fmt"
"io"
"math"
@ -16,7 +17,7 @@ type frameHeader struct {
WindowSize uint32
SingleSegment bool
Checksum bool
DictID uint32 // Not stored.
DictID uint32
}
const maxHeaderSize = 14
@ -30,6 +31,24 @@ func (f frameHeader) appendTo(dst []byte) ([]byte, error) {
if f.SingleSegment {
fhd |= 1 << 5
}
var dictIDContent []byte
if f.DictID > 0 {
var tmp [4]byte
if f.DictID < 256 {
fhd |= 1
tmp[0] = uint8(f.DictID)
dictIDContent = tmp[:1]
} else if f.DictID < 1<<16 {
fhd |= 2
binary.LittleEndian.PutUint16(tmp[:2], uint16(f.DictID))
dictIDContent = tmp[:2]
} else {
fhd |= 3
binary.LittleEndian.PutUint32(tmp[:4], f.DictID)
dictIDContent = tmp[:4]
}
}
var fcs uint8
if f.ContentSize >= 256 {
fcs++
@ -40,6 +59,7 @@ func (f frameHeader) appendTo(dst []byte) ([]byte, error) {
if f.ContentSize >= 0xffffffff {
fcs++
}
fhd |= fcs << 6
dst = append(dst, fhd)
@ -48,7 +68,9 @@ func (f frameHeader) appendTo(dst []byte) ([]byte, error) {
windowLog := (bits.Len32(f.WindowSize-1) - winLogMin) << 3
dst = append(dst, uint8(windowLog))
}
if f.DictID > 0 {
dst = append(dst, dictIDContent...)
}
switch fcs {
case 0:
if f.SingleSegment {