/* Functions to support lbitsets.
- Copyright (C) 2002 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2004 Free Software Foundation, Inc.
Contributed by Michael Hayes (m.hayes@elec.canterbury.ac.nz).
-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 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.
-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.
+ 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. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef _LBITSET_H
#define _LBITSET_H
-#include "bitset-int.h"
-
-/* Number of words to use for each element. The larger the value the
- greater the size of the cache and the shorter the time to find a given bit
- but the more memory wasted for sparse bitsets and the longer the time
- to search for set bits. */
-#ifndef LBITSET_ELT_WORDS
-#define LBITSET_ELT_WORDS 2
-#endif
-
-typedef bitset_word lbitset_word;
-#define LBITSET_WORD_BITS BITSET_WORD_BITS
-
-/* Number of bits stored in each element. */
-#define LBITSET_ELT_BITS \
- ((unsigned) (LBITSET_ELT_WORDS * LBITSET_WORD_BITS))
-
-/* Lbitset element. We use an array of bits for each element.
- These are linked together in a doubly-linked list. */
-typedef struct lbitset_elt_struct
-{
- struct lbitset_elt_struct *next; /* Next element. */
- struct lbitset_elt_struct *prev; /* Previous element. */
- bitset_windex index; /* bitno / BITSET_WORD_BITS. */
- bitset_word words[LBITSET_ELT_WORDS]; /* Bits that are set. */
-} lbitset_elt;
-
-
-/* Head of lbitset linked list. */
-typedef struct lbitset_struct
-{
- lbitset_elt *head; /* First element in linked list. */
- lbitset_elt *tail; /* Last element in linked list. */
-} *lbitset;
+#include "bitset.h"
+extern size_t lbitset_bytes (bitset_bindex);
-extern int lbitset_bytes PARAMS ((bitset_bindex));
+extern bitset lbitset_init (bitset, bitset_bindex);
-extern void lbitset_release_memory PARAMS ((void));
+extern void lbitset_release_memory (void);
#endif