frostfs-s3-gw/pkg/ioutil/append-file_windows.go

43 lines
1.2 KiB
Go

/*
* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package ioutil
import (
"io"
"os"
"github.com/minio/minio/pkg/lock"
)
// AppendFile - appends the file "src" to the file "dst"
func AppendFile(dst string, src string, osync bool) error {
appendFile, err := lock.Open(dst, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0644)
if err != nil {
return err
}
defer appendFile.Close()
srcFile, err := lock.Open(src, os.O_RDONLY, 0644)
if err != nil {
return err
}
defer srcFile.Close()
// Allocate staging buffer.
var buf = make([]byte, defaultAppendBufferSize)
_, err = io.CopyBuffer(appendFile, srcFile, buf)
return err
}