// @HEADER
// ***********************************************************************
//
//                    Teuchos: Common Tools Package
//                 Copyright (2004) Sandia Corporation
//
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
// license for use of this work by or on behalf of the U.S. Government.
//
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// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
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// 2. Redistributions in binary form must reproduce the above copyright
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// 3. Neither the name of the Corporation nor the names of the
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// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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// @HEADER

#include "Teuchos_StringInputStream.hpp"

using namespace Teuchos;


unsigned int StringInputStream::readBytes(unsigned char* const toFill,
																					const unsigned int maxToRead)
{
	if (pos_ == text_.length()) return 0;
	
	int toRead = static_cast<int>(text_.length() - pos_);
	if ((int) maxToRead < toRead) toRead = maxToRead;

  std::strncpy((char*) toFill, text_.c_str()+pos_, toRead);

	pos_ += toRead;
	
	return (size_t) toRead;
}

