* NEWS (2.3a+): Mention yesterday's state-removal change.

[bison.git] / lib / lbitset.c

diff --git a/lib/lbitset.c b/lib/lbitset.c
index a405b8cf61a76a7a9742ad6d54402809ec77bf38..db0621e6b61920c6c534f053ec061d0e6bf0e628 100644 (file)
--- a/lib/lbitset.c
+++ b/lib/lbitset.c
@@ -1,5 +1,5 @@
 /* Functions to support link list bitsets.
-   Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2006 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
@@ -13,15 +13,13 @@
    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.
-*/
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include <config.h>
 
 #include "lbitset.h"
+
 #include "obstack.h"
 #include <stddef.h>
 #include <stdlib.h>
@@ -41,7 +39,7 @@
 /* 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. 
+   to search for set bits.
 
    The routines that dominate timing profiles are lbitset_elt_find
    and lbitset_elt_link, especially when accessing the bits randomly.  */
@@ -121,7 +119,7 @@ lbitset_elt_alloc (void)
 #define OBSTACK_CHUNK_FREE free
 #endif
 
-#if !defined(__GNUC__) || (__GNUC__ < 2)
+#if ! defined __GNUC__ || __GNUC__ < 2
 #define __alignof__(type) 0
 #endif
 
@@ -363,6 +361,9 @@ lbitset_elt_find (bitset bset, bitset_windex windex,
 
   switch (mode)
     {
+    default:
+      abort ();
+
     case LBITSET_FIND:
       return 0;
 
@@ -376,9 +377,6 @@ lbitset_elt_find (bitset bset, bitset_windex windex,
 
     case LBITSET_SUBST:
       return &lbitset_zero_elts[0];
-
-    default:
-      abort ();
     }
 }
 
@@ -888,18 +886,18 @@ lbitset_unused_clear (bitset dst)
 
   n_bits = BITSET_SIZE_ (dst);
   last_bit = n_bits % LBITSET_ELT_BITS;
-  
+
   if (last_bit)
     {
       lbitset_elt *elt;
       bitset_windex windex;
       bitset_word *srcp;
-      
+
       elt = LBITSET_TAIL (dst);
       srcp = elt->words;
       windex = n_bits / BITSET_WORD_BITS;
-  
-      srcp[windex - elt->index] &= ((bitset_word) 1 << last_bit) - 1;    
+
+      srcp[windex - elt->index] &= ((bitset_word) 1 << last_bit) - 1;
       windex++;
 
       for (; (windex - elt->index) < LBITSET_ELT_WORDS; windex++)
@@ -1117,6 +1115,9 @@ lbitset_op3_cmp (bitset dst, bitset src1, bitset src2, enum bitset_ops op)
       dstp = dtmp->words;
       switch (op)
        {
+       default:
+         abort ();
+
        case BITSET_OP_OR:
          for (i = 0; i < LBITSET_ELT_WORDS; i++, dstp++)
            {
@@ -1168,9 +1169,6 @@ lbitset_op3_cmp (bitset dst, bitset src1, bitset src2, enum bitset_ops op)
                }
            }
          break;
-
-       default:
-         abort ();
        }
 
       if (!lbitset_elt_zero_p (dtmp))