AOO410/main/shell/source/unix/sysshell/recently_used_file.hxx

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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
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#ifndef INCLUDED_RECENTLY_USED_FILE_HXX
#define INCLUDED_RECENTLY_USED_FILE_HXX

#include <stdio.h>
#include <unistd.h>

//##################################
// simple wrapper around the recently_used_file
    
class recently_used_file
{
public:
    //----------------------------
    recently_used_file();

    //----------------------------
    ~recently_used_file();

    //----------------------------
    // set file pointer to the start of file
    void reset() const;
    
    //----------------------------
    void truncate(off_t length = 0);
	
    //----------------------------
    size_t read(
		char* buffer, 
        size_t size) const;
    
    //----------------------------
	void write(const char* buffer, size_t size) const;

	//----------------------------
	bool eof() const;
	
private:    
    FILE* file_;    
};

#endif // INCLUDED_RECENTLY_USED_FILE_HXX