Add a ToString method to IOStream and some subclasses.

Useful to help debug problems such as invalid file headers when the source
of the stream might not be too obvious.

1 files changed, 4 insertions, 0 deletions

diff --git a/lib/common/BufferedStream.h b/lib/common/BufferedStream.h
index 079c482a..4987e37b 100644
--- a/lib/common/BufferedStream.h
+++ b/lib/common/BufferedStream.h
@@ -33,6 +33,10 @@ public:
 	virtual bool StreamDataLeft();
 	virtual bool StreamClosed();
 
+	virtual std::string ToString() const
+	{
+		return std::string("Buffered ") + mrSource.ToString();
+	}
 private:
 	BufferedStream(const BufferedStream &rToCopy) 
 	: mrSource(rToCopy.mrSource) { /* do not call */ }