bufio.Writer.Write() optimization error (and a trivial fix) #949
Description
bufio.Writer.Write() has an optimization to pass writes larger than the buffer size
directly to the underlying writer. However, there is a bug. At first it looks sinister,
but really it just disables the optimization.
diff -r af73f0550913 src/pkg/bufio/bufio.go
--- a/src/pkg/bufio/bufio.go Fri Jul 23 12:34:35 2010 -0700
+++ b/src/pkg/bufio/bufio.go Fri Jul 23 17:54:02 2010 -0700
@@ -392,7 +392,8 @@
}
n = b.Available()
}
- if b.Available() == 0 && len(p) >= len(b.buf) {
+ if b.Buffered() == 0 && len(p) >= len(b.buf) {