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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
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71
vendor/github.com/klauspost/compress/zstd/encoder.go generated vendored
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@@ -29,6 +29,7 @@ type Encoder struct {
type encoder interface {
Encode(blk *blockEnc, src []byte)
EncodeNoHist(blk *blockEnc, src []byte)
Block() *blockEnc
CRC() *xxhash.Digest
AppendCRC([]byte) []byte
@@ -433,7 +434,8 @@ func (e *Encoder) EncodeAll(src, dst []byte) []byte {
}()
enc.Reset()
blk := enc.Block()
single := len(src) > 1<<20
// Use single segments when above minimum window and below 1MB.
single := len(src) < 1<<20 && len(src) > MinWindowSize
if e.o.single != nil {
single = *e.o.single
}
@@ -454,25 +456,22 @@ func (e *Encoder) EncodeAll(src, dst []byte) []byte {
panic(err)
}
for len(src) > 0 {
todo := src
if len(todo) > e.o.blockSize {
todo = todo[:e.o.blockSize]
}
src = src[len(todo):]
if len(src) <= e.o.blockSize && len(src) <= maxBlockSize {
// Slightly faster with no history and everything in one block.
if e.o.crc {
_, _ = enc.CRC().Write(todo)
_, _ = enc.CRC().Write(src)
}
blk.reset(nil)
blk.pushOffsets()
enc.Encode(blk, todo)
if len(src) == 0 {
blk.last = true
}
err := errIncompressible
blk.last = true
enc.EncodeNoHist(blk, src)
// If we got the exact same number of literals as input,
// assume the literals cannot be compressed.
if len(blk.literals) != len(todo) || len(todo) != e.o.blockSize {
err := errIncompressible
oldout := blk.output
if len(blk.literals) != len(src) || len(src) != e.o.blockSize {
// Output directly to dst
blk.output = dst
err = blk.encode(e.o.noEntropy)
}
@@ -481,13 +480,49 @@ func (e *Encoder) EncodeAll(src, dst []byte) []byte {
if debug {
println("Storing incompressible block as raw")
}
blk.encodeRaw(todo)
blk.popOffsets()
dst = blk.encodeRawTo(dst, src)
case nil:
dst = blk.output
default:
panic(err)
}
dst = append(dst, blk.output...)
blk.output = oldout
} else {
for len(src) > 0 {
todo := src
if len(todo) > e.o.blockSize {
todo = todo[:e.o.blockSize]
}
src = src[len(todo):]
if e.o.crc {
_, _ = enc.CRC().Write(todo)
}
blk.reset(nil)
blk.pushOffsets()
enc.Encode(blk, todo)
if len(src) == 0 {
blk.last = true
}
err := errIncompressible
// If we got the exact same number of literals as input,
// assume the literals cannot be compressed.
if len(blk.literals) != len(todo) || len(todo) != e.o.blockSize {
err = blk.encode(e.o.noEntropy)
}
switch err {
case errIncompressible:
if debug {
println("Storing incompressible block as raw")
}
dst = blk.encodeRawTo(dst, todo)
blk.popOffsets()
case nil:
dst = append(dst, blk.output...)
default:
panic(err)
}
}
}
if e.o.crc {
dst = enc.AppendCRC(dst)