forgejo/vendor/github.com/ulikunitz/xz/lzma/bytewriter.go
PhilippHomann 684b7a999f
Dump: add output format tar and output to stdout (#10376)
* Dump: Use mholt/archive/v3 to support tar including many compressions

Signed-off-by: Philipp Homann <homann.philipp@googlemail.com>

* Dump: Allow dump output to stdout

Signed-off-by: Philipp Homann <homann.philipp@googlemail.com>

* Dump: Fixed bug present since #6677 where SessionConfig.Provider is never "file"

Signed-off-by: Philipp Homann <homann.philipp@googlemail.com>

* Dump: never pack RepoRootPath, LFS.ContentPath and LogRootPath when they are below AppDataPath

Signed-off-by: Philipp Homann <homann.philipp@googlemail.com>

* Dump: also dump LFS (fixes #10058)

Signed-off-by: Philipp Homann <homann.philipp@googlemail.com>

* Dump: never dump CustomPath if CustomPath is a subdir of or equal to AppDataPath (fixes #10365)

Signed-off-by: Philipp Homann <homann.philipp@googlemail.com>

* Use log.Info instead of fmt.Fprintf

Signed-off-by: Philipp Homann <homann.philipp@googlemail.com>

* import ordering

* make fmt

Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: Matti R <matti@mdranta.net>
2020-06-05 16:47:39 -04:00

37 lines
937 B
Go
Vendored

// Copyright 2014-2017 Ulrich Kunitz. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package lzma
import (
"errors"
"io"
)
// ErrLimit indicates that the limit of the LimitedByteWriter has been
// reached.
var ErrLimit = errors.New("limit reached")
// LimitedByteWriter provides a byte writer that can be written until a
// limit is reached. The field N provides the number of remaining
// bytes.
type LimitedByteWriter struct {
BW io.ByteWriter
N int64
}
// WriteByte writes a single byte to the limited byte writer. It returns
// ErrLimit if the limit has been reached. If the byte is successfully
// written the field N of the LimitedByteWriter will be decremented by
// one.
func (l *LimitedByteWriter) WriteByte(c byte) error {
if l.N <= 0 {
return ErrLimit
}
if err := l.BW.WriteByte(c); err != nil {
return err
}
l.N--
return nil
}