86 lines
2.3 KiB
Plaintext
86 lines
2.3 KiB
Plaintext
/* Inline Functions for bool-array.{h,cc}.
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Copyright (C) 1989-1998 Free Software Foundation, Inc.
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written by Douglas C. Schmidt (schmidt@ics.uci.edu)
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This file is part of GNU GPERF.
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GNU GPERF is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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GNU GPERF is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU GPERF; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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// This needs:
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//#include <stdio.h>
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//#include <string.h>
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//#include "options.h"
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//#include "trace.h"
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INLINE
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Bool_Array::Bool_Array (void)
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{
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T (Trace t ("Bool_Array::Bool_Array");)
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storage_array = 0;
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iteration_number = size = 0;
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}
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INLINE void
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Bool_Array::init (STORAGE_TYPE *buffer, unsigned int s)
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{
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T (Trace t ("Bool_Array::init");)
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size = s;
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iteration_number = 1;
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storage_array = buffer;
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memset (storage_array, 0, s * sizeof (*storage_array));
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if (option[DEBUG])
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fprintf (stderr, "\nbool array size = %d, total bytes = %d\n",
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size, (unsigned int) (size * sizeof (*storage_array)));
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}
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INLINE int
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Bool_Array::find (int index)
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{
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T (Trace t ("Bool_Array::find");)
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if (storage_array[index] == iteration_number)
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return 1;
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else
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{
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storage_array[index] = iteration_number;
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return 0;
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}
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}
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INLINE void
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Bool_Array::reset (void)
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{
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T (Trace t ("Bool_Array::reset");)
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/* If we wrap around it's time to zero things out again! However, this only
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occurs once about every 2^31 or 2^15 iterations, so it should probably
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never happen! */
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if (++iteration_number == 0)
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{
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if (option[DEBUG])
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{
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fprintf (stderr, "(re-initializing bool_array)...");
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fflush (stderr);
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}
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iteration_number = 1;
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memset (storage_array, 0, size * sizeof (*storage_array));
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if (option[DEBUG])
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{
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fprintf (stderr, "done\n");
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fflush (stderr);
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}
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}
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}
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