From 0f26ab693e82d1c56ea0be653a8cd670abeb8f89 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Fri, 3 Oct 2014 15:54:36 +0000
Subject: Tweaked Bu::Uuid loading to pad it's data more cleanly.  This will
 help ensure that we don't get valgrind errors, and is probably safer in
 general.

Added Bu::ArchiveStream.  It could use some tweaks, but as a quick hack it's
handy to allow systems that can only read/write from/to streams to work with
archives.
---
 src/unstable/archivestream.cpp | 127 +++++++++++++++++++++++++++++++++++++++++
 src/unstable/archivestream.h   |  49 ++++++++++++++++
 src/unstable/uuid.cpp          |   3 +-
 3 files changed, 178 insertions(+), 1 deletion(-)
 create mode 100644 src/unstable/archivestream.cpp
 create mode 100644 src/unstable/archivestream.h

diff --git a/src/unstable/archivestream.cpp b/src/unstable/archivestream.cpp
new file mode 100644
index 0000000..aa45e50
--- /dev/null
+++ b/src/unstable/archivestream.cpp
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2007-2014 Xagasoft, All rights reserved.
+ *
+ * This file is part of the libbu++ library and is released under the
+ * terms of the license contained in the file LICENSE.
+ */
+
+#include "bu/archivestream.h"
+
+Bu::ArchiveStream::ArchiveStream( Bu::ArchiveBase &ar ) :
+    ar( ar ),
+    iPos( 0 )
+{
+}
+
+Bu::ArchiveStream::~ArchiveStream()
+{
+}
+
+void Bu::ArchiveStream::close()
+{
+    ar.close();
+}
+
+Bu::size Bu::ArchiveStream::read( void *pBuf, size iBytes )
+{
+    ar.read( pBuf, iBytes );
+    iPos += iBytes;
+    return iBytes;
+}
+
+Bu::size Bu::ArchiveStream::write( const void *pBuf, size iBytes )
+{
+    ar.write( pBuf, iBytes );
+    iPos += iBytes;
+    return iBytes;
+}
+
+Bu::size Bu::ArchiveStream::tell()
+{
+    return iPos;
+}
+
+void Bu::ArchiveStream::seek( Bu::size )
+{
+    throw Bu::UnsupportedException();
+}
+
+void Bu::ArchiveStream::setPos( Bu::size )
+{
+    throw Bu::UnsupportedException();
+}
+
+void Bu::ArchiveStream::setPosEnd( Bu::size )
+{
+    throw Bu::UnsupportedException();
+}
+
+bool Bu::ArchiveStream::isEos()
+{
+    return false;
+}
+
+bool Bu::ArchiveStream::isOpen()
+{
+    return true;
+}
+
+void Bu::ArchiveStream::flush()
+{
+}
+
+bool Bu::ArchiveStream::canRead()
+{
+    return true;
+}
+
+bool Bu::ArchiveStream::canWrite()
+{
+    return true;
+}
+
+bool Bu::ArchiveStream::isReadable()
+{
+    return true;
+}
+
+bool Bu::ArchiveStream::isWritable()
+{
+    return true;
+}
+
+bool Bu::ArchiveStream::isSeekable()
+{
+    return false;
+}
+
+bool Bu::ArchiveStream::isBlocking()
+{
+    return false;
+}
+
+void Bu::ArchiveStream::setBlocking( bool )
+{
+    throw Bu::UnsupportedException();
+}
+
+void Bu::ArchiveStream::setSize( Bu::size )
+{
+    throw Bu::UnsupportedException();
+}
+
+Bu::size Bu::ArchiveStream::getSize() const
+{
+    return iPos;
+}
+
+Bu::size Bu::ArchiveStream::getBlockSize() const
+{
+    return 1;
+}
+
+Bu::String Bu::ArchiveStream::getLocation() const
+{
+    return "Archive";
+}
+
diff --git a/src/unstable/archivestream.h b/src/unstable/archivestream.h
new file mode 100644
index 0000000..a8ef903
--- /dev/null
+++ b/src/unstable/archivestream.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2007-2014 Xagasoft, All rights reserved.
+ *
+ * This file is part of the libbu++ library and is released under the
+ * terms of the license contained in the file LICENSE.
+ */
+#ifndef BU_ARCHIVE_STREAM_H
+#define BU_ARCHIVE_STREAM_H
+
+#include "bu/archivebase.h"
+#include "bu/stream.h"
+
+namespace Bu
+{
+    class ArchiveStream : public Stream
+    {
+    public:
+        ArchiveStream( Bu::ArchiveBase &ar );
+        virtual ~ArchiveStream();
+
+        virtual void close();
+        virtual size read( void *pBuf, size iBytes );
+        virtual size write( const void *pBuf, size iBytes );
+        virtual size tell();
+        virtual void seek( size offset );
+        virtual void setPos( size pos );
+        virtual void setPosEnd( size pos );
+        virtual bool isEos();
+        virtual bool isOpen();
+        virtual void flush();
+        virtual bool canRead();
+        virtual bool canWrite();
+        virtual bool isReadable();
+        virtual bool isWritable();
+        virtual bool isSeekable();
+        virtual bool isBlocking();
+        virtual void setBlocking( bool bBlocking=true );
+        virtual void setSize( size iSize );
+        virtual size getSize() const;
+        virtual size getBlockSize() const;
+        virtual Bu::String getLocation() const;
+
+    private:
+        Bu::ArchiveBase &ar;
+        size iPos;
+    };
+}
+
+#endif
diff --git a/src/unstable/uuid.cpp b/src/unstable/uuid.cpp
index db758d0..22517d7 100644
--- a/src/unstable/uuid.cpp
+++ b/src/unstable/uuid.cpp
@@ -104,7 +104,8 @@ Bu::Uuid Bu::Uuid::generate( Bu::Uuid::Type eType )
         case System:
 #if defined(linux)
             Bu::File fIn( "/proc/sys/kernel/random/uuid", Bu::File::Read );
-            char dat[36];
+            char dat[37];
+            memset( dat, 0, 37 );
             fIn.read( dat, 36 );
             id.set( dat );
 #elif defined(WIN32)
-- 
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