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vendor: update buildkit to master@8b7bcb900d3c

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Signed-off-by: Justin Chadwell <me@jedevc.com>
This commit is contained in:
Justin Chadwell
2023-03-29 12:38:36 +01:00
parent c6cdcb02cf
commit 9541457c54
416 changed files with 24398 additions and 16253 deletions
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47
vendor/github.com/klauspost/compress/zstd/framedec.go generated vendored
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@ -5,7 +5,7 @@
package zstd
import (
"bytes"
"encoding/binary"
"encoding/hex"
"errors"
"io"
@ -29,7 +29,7 @@ type frameDec struct {
FrameContentSize uint64
DictionaryID *uint32
DictionaryID uint32
HasCheckSum bool
SingleSegment bool
}
@ -43,9 +43,9 @@ const (
MaxWindowSize = 1 << 29
)
var (
frameMagic = []byte{0x28, 0xb5, 0x2f, 0xfd}
skippableFrameMagic = []byte{0x2a, 0x4d, 0x18}
const (
frameMagic = "\x28\xb5\x2f\xfd"
skippableFrameMagic = "\x2a\x4d\x18"
)
func newFrameDec(o decoderOptions) *frameDec {
@ -89,9 +89,9 @@ func (d *frameDec) reset(br byteBuffer) error {
copy(signature[1:], b)
}
if !bytes.Equal(signature[1:4], skippableFrameMagic) || signature[0]&0xf0 != 0x50 {
if string(signature[1:4]) != skippableFrameMagic || signature[0]&0xf0 != 0x50 {
if debugDecoder {
println("Not skippable", hex.EncodeToString(signature[:]), hex.EncodeToString(skippableFrameMagic))
println("Not skippable", hex.EncodeToString(signature[:]), hex.EncodeToString([]byte(skippableFrameMagic)))
}
// Break if not skippable frame.
break
@ -114,9 +114,9 @@ func (d *frameDec) reset(br byteBuffer) error {
return err
}
}
if !bytes.Equal(signature[:], frameMagic) {
if string(signature[:]) != frameMagic {
if debugDecoder {
println("Got magic numbers: ", signature, "want:", frameMagic)
println("Got magic numbers: ", signature, "want:", []byte(frameMagic))
}
return ErrMagicMismatch
}
@ -155,7 +155,7 @@ func (d *frameDec) reset(br byteBuffer) error {
// Read Dictionary_ID
// https://github.com/facebook/zstd/blob/dev/doc/zstd_compression_format.md#dictionary_id
d.DictionaryID = nil
d.DictionaryID = 0
if size := fhd & 3; size != 0 {
if size == 3 {
size = 4
@ -167,7 +167,7 @@ func (d *frameDec) reset(br byteBuffer) error {
return err
}
var id uint32
switch size {
switch len(b) {
case 1:
id = uint32(b[0])
case 2:
@ -178,11 +178,7 @@ func (d *frameDec) reset(br byteBuffer) error {
if debugDecoder {
println("Dict size", size, "ID:", id)
}
if id > 0 {
// ID 0 means "sorry, no dictionary anyway".
// https://github.com/facebook/zstd/blob/dev/doc/zstd_compression_format.md#dictionary-format
d.DictionaryID = &id
}
d.DictionaryID = id
}
// Read Frame_Content_Size
@ -204,7 +200,7 @@ func (d *frameDec) reset(br byteBuffer) error {
println("Reading Frame content", err)
return err
}
switch fcsSize {
switch len(b) {
case 1:
d.FrameContentSize = uint64(b[0])
case 2:
@ -305,7 +301,7 @@ func (d *frameDec) checkCRC() error {
}
// We can overwrite upper tmp now
want, err := d.rawInput.readSmall(4)
buf, err := d.rawInput.readSmall(4)
if err != nil {
println("CRC missing?", err)
return err
@ -315,22 +311,17 @@ func (d *frameDec) checkCRC() error {
return nil
}
var tmp [4]byte
got := d.crc.Sum64()
// Flip to match file order.
tmp[0] = byte(got >> 0)
tmp[1] = byte(got >> 8)
tmp[2] = byte(got >> 16)
tmp[3] = byte(got >> 24)
want := binary.LittleEndian.Uint32(buf[:4])
got := uint32(d.crc.Sum64())
if !bytes.Equal(tmp[:], want) {
if got != want {
if debugDecoder {
println("CRC Check Failed:", tmp[:], "!=", want)
printf("CRC check failed: got %08x, want %08x\n", got, want)
}
return ErrCRCMismatch
}
if debugDecoder {
println("CRC ok", tmp[:])
printf("CRC ok %08x\n", got)
}
return nil
}