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// -*- C++ -*-
// Fast lookup table abstraction implemented as an Iteration Number Array
/**
* Copyright (C) 1989 Free Software Foundation, Inc.
* written by Douglas C. Schmidt (schmidt@cs.wustl.edu)
*
* This file is part of GNU GPERF.
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "Bool_Array.h"
#include "ace/OS_NS_string.h"
#include "ace/OS_Memory.h"
// Prints out debugging diagnostics.
Bool_Array::~Bool_Array (void)
{
if (option[DEBUGGING])
ACE_DEBUG ((LM_DEBUG,
"\ndumping boolean array information\n"
"size = %u\niteration number = %u\nend of array dump\n",
size_,
generation_number_));
delete [] this->storage_array_;
}
Bool_Array::Bool_Array (void)
: storage_array_ (0),
generation_number_ (0),
size_ (0)
{
}
int
Bool_Array::open (u_long s)
{
this->generation_number_ = 1;
this->size_ = s;
ACE_NEW_RETURN (storage_array_,
u_long[s],
-1);
ACE_OS::memset (storage_array_,
0,
s * sizeof *storage_array_);
if (option[DEBUGGING])
ACE_DEBUG ((LM_DEBUG,
"\nbool array size = %u, total bytes = %u\n",
size_,
size_ * (int) sizeof *storage_array_));
return 0;
}
int
Bool_Array::find (u_long slot)
{
if (storage_array_[slot] == generation_number_)
return 1;
else
{
storage_array_[slot] = generation_number_;
return 0;
}
}
void
Bool_Array::reset (void)
{
if (++generation_number_ == 0)
{
if (option[DEBUGGING])
ACE_DEBUG ((LM_DEBUG,
"(re-initializing bool_array)..."));
this->generation_number_ = 1;
ACE_OS::memset (storage_array_,
0,
size_ * sizeof *storage_array_);
if (option[DEBUGGING])
ACE_DEBUG ((LM_DEBUG,
"done\n"));
}
}
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