Bump github.com/containers/storage from 1.23.4 to 1.23.5

Bumps [github.com/containers/storage](https://github.com/containers/storage) from 1.23.4 to 1.23.5.
- [Release notes](https://github.com/containers/storage/releases)
- [Changelog](https://github.com/containers/storage/blob/master/docs/containers-storage-changes.md)
- [Commits](https://github.com/containers/storage/compare/v1.23.4...v1.23.5)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
This commit is contained in:
dependabot-preview[bot]
2020-09-11 08:16:20 +00:00
committed by Daniel J Walsh
parent 5dd09d76c3
commit 4eda1d092d
31 changed files with 692 additions and 501 deletions

View File

@@ -14,12 +14,13 @@ import (
)
type blockEnc struct {
size int
literals []byte
sequences []seq
coders seqCoders
litEnc *huff0.Scratch
wr bitWriter
size int
literals []byte
sequences []seq
coders seqCoders
litEnc *huff0.Scratch
dictLitEnc *huff0.Scratch
wr bitWriter
extraLits int
last bool
@@ -314,19 +315,19 @@ func (b *blockEnc) encodeRawTo(dst, src []byte) []byte {
}
// encodeLits can be used if the block is only litLen.
func (b *blockEnc) encodeLits(raw bool) error {
func (b *blockEnc) encodeLits(lits []byte, raw bool) error {
var bh blockHeader
bh.setLast(b.last)
bh.setSize(uint32(len(b.literals)))
bh.setSize(uint32(len(lits)))
// Don't compress extremely small blocks
if len(b.literals) < 32 || raw {
if len(lits) < 8 || (len(lits) < 32 && b.dictLitEnc == nil) || raw {
if debug {
println("Adding RAW block, length", len(b.literals), "last:", b.last)
println("Adding RAW block, length", len(lits), "last:", b.last)
}
bh.setType(blockTypeRaw)
b.output = bh.appendTo(b.output)
b.output = append(b.output, b.literals...)
b.output = append(b.output, lits...)
return nil
}
@@ -335,13 +336,18 @@ func (b *blockEnc) encodeLits(raw bool) error {
reUsed, single bool
err error
)
if len(b.literals) >= 1024 {
if b.dictLitEnc != nil {
b.litEnc.TransferCTable(b.dictLitEnc)
b.litEnc.Reuse = huff0.ReusePolicyAllow
b.dictLitEnc = nil
}
if len(lits) >= 1024 {
// Use 4 Streams.
out, reUsed, err = huff0.Compress4X(b.literals, b.litEnc)
} else if len(b.literals) > 32 {
out, reUsed, err = huff0.Compress4X(lits, b.litEnc)
} else if len(lits) > 32 {
// Use 1 stream
single = true
out, reUsed, err = huff0.Compress1X(b.literals, b.litEnc)
out, reUsed, err = huff0.Compress1X(lits, b.litEnc)
} else {
err = huff0.ErrIncompressible
}
@@ -349,19 +355,19 @@ func (b *blockEnc) encodeLits(raw bool) error {
switch err {
case huff0.ErrIncompressible:
if debug {
println("Adding RAW block, length", len(b.literals), "last:", b.last)
println("Adding RAW block, length", len(lits), "last:", b.last)
}
bh.setType(blockTypeRaw)
b.output = bh.appendTo(b.output)
b.output = append(b.output, b.literals...)
b.output = append(b.output, lits...)
return nil
case huff0.ErrUseRLE:
if debug {
println("Adding RLE block, length", len(b.literals))
println("Adding RLE block, length", len(lits))
}
bh.setType(blockTypeRLE)
b.output = bh.appendTo(b.output)
b.output = append(b.output, b.literals[0])
b.output = append(b.output, lits[0])
return nil
default:
return err
@@ -384,7 +390,7 @@ func (b *blockEnc) encodeLits(raw bool) error {
lh.setType(literalsBlockCompressed)
}
// Set sizes
lh.setSizes(len(out), len(b.literals), single)
lh.setSizes(len(out), len(lits), single)
bh.setSize(uint32(len(out) + lh.size() + 1))
// Write block headers.
@@ -444,13 +450,19 @@ func fuzzFseEncoder(data []byte) int {
}
// encode will encode the block and append the output in b.output.
func (b *blockEnc) encode(raw, rawAllLits bool) error {
// Previous offset codes must be pushed if more blocks are expected.
func (b *blockEnc) encode(org []byte, raw, rawAllLits bool) error {
if len(b.sequences) == 0 {
return b.encodeLits(rawAllLits)
return b.encodeLits(b.literals, rawAllLits)
}
// We want some difference
if len(b.literals) > (b.size - (b.size >> 5)) {
return errIncompressible
// We want some difference to at least account for the headers.
saved := b.size - len(b.literals) - (b.size >> 5)
if saved < 16 {
if org == nil {
return errIncompressible
}
b.popOffsets()
return b.encodeLits(org, rawAllLits)
}
var bh blockHeader
@@ -466,6 +478,11 @@ func (b *blockEnc) encode(raw, rawAllLits bool) error {
reUsed, single bool
err error
)
if b.dictLitEnc != nil {
b.litEnc.TransferCTable(b.dictLitEnc)
b.litEnc.Reuse = huff0.ReusePolicyAllow
b.dictLitEnc = nil
}
if len(b.literals) >= 1024 && !raw {
// Use 4 Streams.
out, reUsed, err = huff0.Compress4X(b.literals, b.litEnc)