diff options
Diffstat (limited to 'vendor/github.com/docker/docker/pkg/ioutils/writers.go')
-rw-r--r-- | vendor/github.com/docker/docker/pkg/ioutils/writers.go | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/vendor/github.com/docker/docker/pkg/ioutils/writers.go b/vendor/github.com/docker/docker/pkg/ioutils/writers.go deleted file mode 100644 index ccc7f9c23..000000000 --- a/vendor/github.com/docker/docker/pkg/ioutils/writers.go +++ /dev/null @@ -1,66 +0,0 @@ -package ioutils - -import "io" - -// NopWriter represents a type which write operation is nop. -type NopWriter struct{} - -func (*NopWriter) Write(buf []byte) (int, error) { - return len(buf), nil -} - -type nopWriteCloser struct { - io.Writer -} - -func (w *nopWriteCloser) Close() error { return nil } - -// NopWriteCloser returns a nopWriteCloser. -func NopWriteCloser(w io.Writer) io.WriteCloser { - return &nopWriteCloser{w} -} - -// NopFlusher represents a type which flush operation is nop. -type NopFlusher struct{} - -// Flush is a nop operation. -func (f *NopFlusher) Flush() {} - -type writeCloserWrapper struct { - io.Writer - closer func() error -} - -func (r *writeCloserWrapper) Close() error { - return r.closer() -} - -// NewWriteCloserWrapper returns a new io.WriteCloser. -func NewWriteCloserWrapper(r io.Writer, closer func() error) io.WriteCloser { - return &writeCloserWrapper{ - Writer: r, - closer: closer, - } -} - -// WriteCounter wraps a concrete io.Writer and hold a count of the number -// of bytes written to the writer during a "session". -// This can be convenient when write return is masked -// (e.g., json.Encoder.Encode()) -type WriteCounter struct { - Count int64 - Writer io.Writer -} - -// NewWriteCounter returns a new WriteCounter. -func NewWriteCounter(w io.Writer) *WriteCounter { - return &WriteCounter{ - Writer: w, - } -} - -func (wc *WriteCounter) Write(p []byte) (count int, err error) { - count, err = wc.Writer.Write(p) - wc.Count += int64(count) - return -} |