package testutil // import "github.com/docker/docker/internal/testutil" import ( "io" ) // DevZero acts like /dev/zero but in an OS-independent fashion. var DevZero io.Reader = devZero{} type devZero struct{} func (d devZero) Read(p []byte) (n int, err error) { for i := range p { p[i] = 0 } return len(p), nil }