github.com/iikira/iikira-go-utils@v0.0.0-20230610031953-f2cb11cde33a/requester/downloader/writer.go (about)

     1  package downloader
     2  
     3  import (
     4  	"io"
     5  	"os"
     6  )
     7  
     8  type (
     9  	// Fder 获取fd接口
    10  	Fder interface {
    11  		Fd() uintptr
    12  	}
    13  
    14  	// Writer 下载器数据输出接口
    15  	Writer interface {
    16  		io.WriterAt
    17  	}
    18  )
    19  
    20  // NewDownloaderWriterByFilename 创建下载器数据输出接口, 类似于os.OpenFile
    21  func NewDownloaderWriterByFilename(name string, flag int, perm os.FileMode) (writer Writer, file *os.File, err error) {
    22  	file, err = os.OpenFile(name, flag, perm)
    23  	if err != nil {
    24  		return
    25  	}
    26  
    27  	writer = file
    28  	return
    29  }