ioutils

Documentation

Index

• func CopyNFull(dst io.Writer, src io.Reader, n int64) (int64, error)
• func NewCountingReader(reader io.Reader, count *int64) io.ReadCloser

Functions

func CopyNFull

func CopyNFull(dst io.Writer, src io.Reader, n int64) (int64, error)

CopyNFull does the same as io.CopyN, but it returns io.ErrUnexpectedEOF if CopyN returns io.EOF and the number of bytes written greater than zero.

func NewCountingReader

func NewCountingReader(reader io.Reader, count *int64) io.ReadCloser

NewCountingReader wraps the given reader in a reader that ensures the given count variable is atomically updated whenever data is read.