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+/*
+ Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011 Her Majesty
+ the Queen in Right of Canada (Communications Research Center Canada)
+ */
+/*
+ This file is part of CRC-DADMOD.
+
+ CRC-DADMOD is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as
+ published by the Free Software Foundation, either version 3 of the
+ License, or (at your option) any later version.
+
+ CRC-DADMOD is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with CRC-DADMOD. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NULL_SYMBOL_H
+#define NULL_SYMBOL_H
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "porting.h"
+#include "ModCodec.h"
+
+#include <sys/types.h>
+#include <stdint.h>
+
+
+class NullSymbol : public ModCodec
+{
+protected:
+ size_t myNbCarriers;
+
+public:
+ NullSymbol(size_t nbCarriers);
+ virtual ~NullSymbol();
+
+ int process(Buffer* const dataIn, Buffer* dataOut);
+ const char* name() { return "NullSymbol"; }
+};
+
+
+#endif // NULL_SYMBOL_H