DiskUsage.h

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// ---------------------------------------------------------------------
// $Id: DiskUsage.h 214 2008-07-30 09:56:16Z daaugusto $
//
//   DiskUsage.h (created on Tue Aug 23 01:08:35 BRT 2005)
// 
//   Genetic Algorithm File Fitter (gaffitter)
//
//   Copyright (C) 2005-2008 Douglas A. Augusto
// 
// This file is part of gaffitter.
// 
// gaffitter 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.
// 
// gaffitter 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 gaffitter; if not, see <http://www.gnu.org/licenses/>.
//
// ---------------------------------------------------------------------

#ifndef disk_usage_hh
#define disk_usage_hh

#include "Params.h"

//----------------------------------------------------------------------
class DiskUsage {
public:
  static Params::UBigInt GetSize(const char*);
  static void SetBlockSize(unsigned bs) { m_block_size = bs; }
  static Params::UBigInt AllocationSize(Params::UBigInt);
  static Params::Size_t  AllocationSize(Params::Size_t size)
  {
     // instead of doing a cast to long long int (UBigInt), it is
     // possible to use a floor, ceil or "round" function.
     return AllocationSize(static_cast<Params::UBigInt>(size));
  }

private:
  static Params::UBigInt DepthFirstTraversal(const char*);

private:
  static unsigned m_block_size;
  static const int m_max_path_name = 4096;
};
  
//----------------------------------------------------------------------
#endif