minio/pkg/ioutil/append-file_nix.go at newux · mpdn/minio

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// +build !windows

* 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"

)

// AppendFile - appends the file "src" to the file "dst"

func AppendFile(dst string, src string) error {

appendFile, err := os.OpenFile(dst, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0644)

if err != nil {

return err

}

defer appendFile.Close()

srcFile, err := os.Open(src)

if err != nil {

return err

}

defer srcFile.Close()

// Allocate staging buffer.

var buf = make([]byte, defaultAppendBufferSize)

_, err = io.CopyBuffer(appendFile, srcFile, buf)

return err

}