Method doBodyCopy

transfer.go:390–398

doBodyCopy wraps a copy operation, with any resulting error also being saved in bodyReadError. This function is only intended for use in writeBody.

(dst io.Writer, src io.Reader)

//
// This function is only intended for use in writeBody.
func (t *transferWriter) doBodyCopy(dst io.Writer, src io.Reader) (n int64, err error) {
	buf := getCopyBuf()
	defer putCopyBuf(buf)
	n, err = io.CopyBuffer(dst, src, buf)
	if err != nil && err != io.EOF {
		t.bodyReadError = err
	}
	return
}

// unwrapBody unwraps the body's inner reader if it's a
// nopCloser. This is to ensure that body writes sourced from local