github/skopeo
1
0
Fork 0
mirror of https://github.com/containers/skopeo.git synced 2025-09-22 18:37:21 +00:00
Code Issues Projects Releases Wiki Activity

vendor github.com/containers/image/v5@v5.2.0

Browse Source 
See release notes:
https://github.com/containers/image/releases/tag/v5.2.0

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
This commit is contained in:
Valentin Rothberg
2020-02-03 16:49:05 +01:00
parent 7cbb8ad3ba
commit a7297d4db7
89 changed files with 2298 additions and 2797 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
vendor/github.com/klauspost/compress/zstd/blockenc.go generated vendored
View File

@@ -299,6 +299,20 @@ func (b *blockEnc) encodeRaw(a []byte) {
}
}
// encodeRaw can be used to set the output to a raw representation of supplied bytes.
func (b *blockEnc) encodeRawTo(dst, src []byte) []byte {
var bh blockHeader
bh.setLast(b.last)
bh.setSize(uint32(len(src)))
bh.setType(blockTypeRaw)
dst = bh.appendTo(dst)
dst = append(dst, src...)
if debug {
println("Adding RAW block, length", len(src))
}
return dst
}
// encodeLits can be used if the block is only litLen.
func (b *blockEnc) encodeLits(raw bool) error {
var bh blockHeader
@@ -324,18 +338,10 @@ func (b *blockEnc) encodeLits(raw bool) error {
if len(b.literals) >= 1024 {
// Use 4 Streams.
out, reUsed, err = huff0.Compress4X(b.literals, b.litEnc)
if len(out) > len(b.literals)-len(b.literals)>>4 {
// Bail out of compression is too little.
err = huff0.ErrIncompressible
}
} else if len(b.literals) > 32 {
// Use 1 stream
single = true
out, reUsed, err = huff0.Compress1X(b.literals, b.litEnc)
if len(out) > len(b.literals)-len(b.literals)>>4 {
// Bail out of compression is too little.
err = huff0.ErrIncompressible
}
} else {
err = huff0.ErrIncompressible
}
@@ -437,7 +443,7 @@ func fuzzFseEncoder(data []byte) int {
return 1
}
// encode will encode the block and put the output in b.output.
// encode will encode the block and append the output in b.output.
func (b *blockEnc) encode(raw bool) error {
if len(b.sequences) == 0 {
return b.encodeLits(raw)
@@ -451,6 +457,8 @@ func (b *blockEnc) encode(raw bool) error {
var lh literalsHeader
bh.setLast(b.last)
bh.setType(blockTypeCompressed)
// Store offset of the block header. Needed when we know the size.
bhOffset := len(b.output)
b.output = bh.appendTo(b.output)
var (
@@ -468,6 +476,7 @@ func (b *blockEnc) encode(raw bool) error {
} else {
err = huff0.ErrIncompressible
}
switch err {
case huff0.ErrIncompressible:
lh.setType(literalsBlockRaw)
@@ -735,18 +744,18 @@ func (b *blockEnc) encode(raw bool) error {
}
b.output = wr.out
if len(b.output)-3 >= b.size {
if len(b.output)-3-bhOffset >= b.size {
// Maybe even add a bigger margin.
b.litEnc.Reuse = huff0.ReusePolicyNone
return errIncompressible
}
// Size is output minus block header.
bh.setSize(uint32(len(b.output)) - 3)
bh.setSize(uint32(len(b.output)-bhOffset) - 3)
if debug {
println("Rewriting block header", bh)
}
_ = bh.appendTo(b.output[:0])
_ = bh.appendTo(b.output[bhOffset:bhOffset])
b.coders.setPrev(llEnc, mlEnc, ofEnc)
return nil
}