diff options
Diffstat (limited to 'src/pkg/testing/iotest/writer.go')
-rw-r--r-- | src/pkg/testing/iotest/writer.go | 35 |
1 files changed, 0 insertions, 35 deletions
diff --git a/src/pkg/testing/iotest/writer.go b/src/pkg/testing/iotest/writer.go deleted file mode 100644 index af61ab858..000000000 --- a/src/pkg/testing/iotest/writer.go +++ /dev/null @@ -1,35 +0,0 @@ -// Copyright 2009 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package iotest - -import "io" - -// TruncateWriter returns a Writer that writes to w -// but stops silently after n bytes. -func TruncateWriter(w io.Writer, n int64) io.Writer { - return &truncateWriter{w, n} -} - -type truncateWriter struct { - w io.Writer - n int64 -} - -func (t *truncateWriter) Write(p []byte) (n int, err error) { - if t.n <= 0 { - return len(p), nil - } - // real write - n = len(p) - if int64(n) > t.n { - n = int(t.n) - } - n, err = t.w.Write(p[0:n]) - t.n -= int64(n) - if err == nil { - n = len(p) - } - return -} |