X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/4d1801f1a888fc5687ae103fb76935ef0d24cbaf..9bcffa0c13d1abee13433f14cdb785cbb960425c:/lib/ebitset.c

diff --git a/lib/ebitset.c b/lib/ebitset.c
index 9ac85a2c..9f35499a 100644
--- a/lib/ebitset.c
+++ b/lib/ebitset.c
@@ -1,10 +1,12 @@
 /* Functions to support expandable bitsets.
-   Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+
+   Copyright (C) 2002-2006, 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
+   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
+   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,
@@ -13,15 +15,12 @@
    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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-*/
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include <config.h>
 
 #include "ebitset.h"
+
 #include "obstack.h"
 #include <stdlib.h>
 #include <string.h>
@@ -210,7 +209,7 @@ ebitset_elt_alloc (void)
 #define OBSTACK_CHUNK_FREE free
 #endif
 
-#if !defined(__GNUC__) || (__GNUC__ < 2)
+#if ! defined __GNUC__ || __GNUC__ < 2
 #define __alignof__(type) 0
 #endif
 
@@ -322,6 +321,9 @@ ebitset_elt_find (bitset bset, bitset_bindex bindex,
 
   switch (mode)
     {
+    default:
+      abort ();
+
     case EBITSET_FIND:
       return 0;
 
@@ -337,9 +339,6 @@ ebitset_elt_find (bitset bset, bitset_bindex bindex,
 
     case EBITSET_SUBST:
       return &ebitset_zero_elts[0];
-
-    default:
-      abort ();
     }
 }
 
@@ -1090,6 +1089,9 @@ ebitset_op3_cmp (bitset dst, bitset src1, bitset src2, enum bitset_ops op)
       dstp = EBITSET_WORDS (delt);
       switch (op)
 	{
+	default:
+	  abort ();
+
 	case BITSET_OP_OR:
 	  for (i = 0; i < EBITSET_ELT_WORDS; i++, dstp++)
 	    {
@@ -1141,9 +1143,6 @@ ebitset_op3_cmp (bitset dst, bitset src1, bitset src2, enum bitset_ops op)
 		}
 	    }
 	  break;
-
-	default:
-	  abort ();
 	}
 
       if (!ebitset_elt_zero_p (delt))
@@ -1336,17 +1335,12 @@ ebitset_bytes (bitset_bindex n_bits ATTRIBUTE_UNUSED)
 bitset
 ebitset_init (bitset bset, bitset_bindex n_bits)
 {
-  bitset_windex size;
-
   bset->b.vtable = &ebitset_vtable;
 
   bset->b.csize = EBITSET_ELT_WORDS;
 
   EBITSET_ZERO_SET (bset);
 
-  size = n_bits ? (n_bits + EBITSET_ELT_BITS - 1) / EBITSET_ELT_BITS
-    : EBITSET_INITIAL_SIZE;
-
   EBITSET_ASIZE (bset) = 0;
   EBITSET_ELTS (bset) = 0;
   ebitset_resize (bset, n_bits);