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| author | Andrew Gerrand <adg@golang.org> | 2011-01-31 18:54:25 +1100 |
|---|---|---|
| committer | Andrew Gerrand <adg@golang.org> | 2011-01-31 18:54:25 +1100 |
| commit | 9173a095300ad4a1d0e57b4d096c39a655753382 (patch) | |
| tree | 52996afb477e6f61979c2f2a23197ea4007d35ae | |
| parent | 3bfd35b72e24ec5c918a9e0f233634db45950c68 (diff) | |
| download | go-9173a095300ad4a1d0e57b4d096c39a655753382.tar.gz go-9173a095300ad4a1d0e57b4d096c39a655753382.zip | |
bufio: make Flush a no-op when the buffer is empty
R=r
CC=golang-dev
https://golang.org/cl/4119048
| -rw-r--r-- | src/pkg/bufio/bufio.go | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/pkg/bufio/bufio.go b/src/pkg/bufio/bufio.go index 67b7cdb53c..eae5c5ce97 100644 --- a/src/pkg/bufio/bufio.go +++ b/src/pkg/bufio/bufio.go @@ -385,6 +385,9 @@ func (b *Writer) Flush() os.Error { if b.err != nil { return b.err } + if b.n == 0 { + return nil + } n, e := b.wr.Write(b.buf[0:b.n]) if n < b.n && e == nil { e = io.ErrShortWrite |