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Move modules/gzip to gitea.com/macaron/gzip (#9058)

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* Move modules/gzip to gitea.com/macaron/gzip

* Fix vendor
This commit is contained in:
Lunny Xiao 2019-11-18 13:18:33 +08:00 • committed by GitHub
parent ba4e8f221b
commit 9ff6312627
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GPG key ID: 4AEE18F83AFDEB23
54 changed files with 2972 additions and 5163 deletions
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32
vendor/github.com/klauspost/compress/gzip/gzip.go generated vendored
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@ -7,10 +7,10 @@ package gzip
import (
"errors"
"fmt"
"hash/crc32"
"io"
"github.com/klauspost/compress/flate"
"github.com/klauspost/crc32"
)
// These constants are copied from the flate package, so that code that imports
@ -22,6 +22,13 @@ const (
DefaultCompression = flate.DefaultCompression
ConstantCompression = flate.ConstantCompression
HuffmanOnly = flate.HuffmanOnly
// StatelessCompression will do compression but without maintaining any state
// between Write calls.
// There will be no memory kept between Write calls,
// but compression and speed will be suboptimal.
// Because of this, the size of actual Write calls will affect output size.
StatelessCompression = -3
)
// A Writer is an io.WriteCloser.
@ -59,7 +66,7 @@ func NewWriter(w io.Writer) *Writer {
// integer value between BestSpeed and BestCompression inclusive. The error
// returned will be nil if the level is valid.
func NewWriterLevel(w io.Writer, level int) (*Writer, error) {
if level < HuffmanOnly || level > BestCompression {
if level < StatelessCompression || level > BestCompression {
return nil, fmt.Errorf("gzip: invalid compression level: %d", level)
}
z := new(Writer)
@ -69,9 +76,12 @@ func NewWriterLevel(w io.Writer, level int) (*Writer, error) {
func (z *Writer) init(w io.Writer, level int) {
compressor := z.compressor
if compressor != nil {
compressor.Reset(w)
if level != StatelessCompression {
if compressor != nil {
compressor.Reset(w)
}
}
*z = Writer{
Header: Header{
OS: 255, // unknown
@ -189,12 +199,16 @@ func (z *Writer) Write(p []byte) (int, error) {
return n, z.err
}
}
if z.compressor == nil {
if z.compressor == nil && z.level != StatelessCompression {
z.compressor, _ = flate.NewWriter(z.w, z.level)
}
}
z.size += uint32(len(p))
z.digest = crc32.Update(z.digest, crc32.IEEETable, p)
if z.level == StatelessCompression {
return len(p), flate.StatelessDeflate(z.w, p, false)
}
n, z.err = z.compressor.Write(p)
return n, z.err
}
@ -211,7 +225,7 @@ func (z *Writer) Flush() error {
if z.err != nil {
return z.err
}
if z.closed {
if z.closed || z.level == StatelessCompression {
return nil
}
if !z.wroteHeader {
@ -240,7 +254,11 @@ func (z *Writer) Close() error {
return z.err
}
}
z.err = z.compressor.Close()
if z.level == StatelessCompression {
z.err = flate.StatelessDeflate(z.w, nil, true)
} else {
z.err = z.compressor.Close()
}
if z.err != nil {
return z.err
}