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/* Inline Functions for bool-array.{h,cc}.
Copyright (C) 1989-1998, 2002 Free Software Foundation, Inc.
written by Douglas C. Schmidt (schmidt@ics.uci.edu)
This file is part of GNU GPERF.
GNU GPERF 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 1, or (at your option)
any later version.
GNU GPERF 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 GNU GPERF; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
// This needs:
//#include <stdio.h>
//#include <string.h>
//#include "options.h"
INLINE
Bool_Array::Bool_Array (void)
{
storage_array = 0;
iteration_number = size = 0;
}
INLINE void
Bool_Array::init (unsigned int *buffer, unsigned int s)
{
size = s;
iteration_number = 1;
storage_array = buffer;
memset (storage_array, 0, s * sizeof (*storage_array));
if (option[DEBUG])
fprintf (stderr, "\nbool array size = %d, total bytes = %d\n",
size, (unsigned int) (size * sizeof (*storage_array)));
}
INLINE int
Bool_Array::find (int index)
{
if (storage_array[index] == iteration_number)
return 1;
else
{
storage_array[index] = iteration_number;
return 0;
}
}
INLINE void
Bool_Array::reset (void)
{
/* If we wrap around it's time to zero things out again! However, this only
occurs once about every 2^31 or 2^15 iterations, so it should probably
never happen! */
if (++iteration_number == 0)
{
if (option[DEBUG])
{
fprintf (stderr, "(re-initializing bool_array)...");
fflush (stderr);
}
iteration_number = 1;
memset (storage_array, 0, size * sizeof (*storage_array));
if (option[DEBUG])
{
fprintf (stderr, "done\n");
fflush (stderr);
}
}
}
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