NEWS: update.

[bison.git] / lib / lbitset.h

diff --git a/lib/lbitset.h b/lib/lbitset.h
index 9af651f117fb5275b4f4497944e9d9678b8ae670..79804da086ba0f1d8de226a69c4e69970acfff0c 100644 (file)
--- a/lib/lbitset.h
+++ b/lib/lbitset.h
@@ -1,62 +1,31 @@
 /* Functions to support lbitsets.
-   Copyright (C) 2002 Free Software Foundation, Inc.
+
+   Copyright (C) 2002, 2004, 2009-2012 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