github.com/minio/minio@v0.0.0-20240328213742-3f72439b8a27/internal/ioutil/append-file_windows.go (about)

     1  // Copyright (c) 2015-2021 MinIO, Inc.
     2  //
     3  // This file is part of MinIO Object Storage stack
     4  //
     5  // This program is free software: you can redistribute it and/or modify
     6  // it under the terms of the GNU Affero General Public License as published by
     7  // the Free Software Foundation, either version 3 of the License, or
     8  // (at your option) any later version.
     9  //
    10  // This program is distributed in the hope that it will be useful
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13  // GNU Affero General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Affero General Public License
    16  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17  
    18  package ioutil
    19  
    20  import (
    21  	"io"
    22  	"os"
    23  
    24  	"github.com/minio/minio/internal/lock"
    25  )
    26  
    27  // AppendFile - appends the file "src" to the file "dst"
    28  func AppendFile(dst string, src string, osync bool) error {
    29  	appendFile, err := lock.Open(dst, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0o666)
    30  	if err != nil {
    31  		return err
    32  	}
    33  	defer appendFile.Close()
    34  
    35  	srcFile, err := lock.Open(src, os.O_RDONLY, 0o666)
    36  	if err != nil {
    37  		return err
    38  	}
    39  	defer srcFile.Close()
    40  	_, err = io.Copy(appendFile, srcFile)
    41  	return err
    42  }