bison: avoid warnings from static code analysis

[bison.git] / lib / bitset.c

diff --git a/lib/bitset.c b/lib/bitset.c
index ddbef843668f3cc797abb32e38777a095eefbc88..bb900b0d3eb341aa4608d238fc668e18d4bfed87 100644 (file)
--- a/lib/bitset.c
+++ b/lib/bitset.c
@@ -1,10 +1,12 @@
 /* General bitsets.
-   Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+
+   Copyright (C) 2002-2006, 2009-2015 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,
@@ -13,16 +15,14 @@
    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/>.  */
+
+#include <config.h>
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include "bitset.h"
 
 #include <stdlib.h>
 #include <string.h>
-#include "bitset.h"
 #include "abitset.h"
 #include "lbitset.h"
 #include "ebitset.h"
@@ -45,6 +45,9 @@ bitset_bytes (enum bitset_type type, bitset_bindex n_bits)
 
   switch (type)
     {
+    default:
+      abort ();
+
     case BITSET_ARRAY:
       bytes = abitset_bytes (n_bits);
       break;
@@ -60,9 +63,6 @@ bitset_bytes (enum bitset_type type, bitset_bindex n_bits)
     case BITSET_VARRAY:
       bytes = vbitset_bytes (n_bits);
       break;
-
-    default:
-      abort ();
     }
 
   return bytes;
@@ -78,6 +78,9 @@ bitset_init (bitset bset, bitset_bindex n_bits, enum bitset_type type)
 
   switch (type)
     {
+    default:
+      abort ();
+
     case BITSET_ARRAY:
       return abitset_init (bset, n_bits);
 
@@ -89,9 +92,6 @@ bitset_init (bitset bset, bitset_bindex n_bits, enum bitset_type type)
 
     case BITSET_VARRAY:
       return vbitset_init (bset, n_bits);
-
-    default:
-      abort ();
     }
 }
 
@@ -151,7 +151,7 @@ bitset_alloc (bitset_bindex n_bits, enum bitset_type type)
 /* Create a bitset of N_BITS of type TYPE.  */
 bitset
 bitset_obstack_alloc (struct obstack *bobstack,
-                     bitset_bindex n_bits, enum bitset_type type)
+                      bitset_bindex n_bits, enum bitset_type type)
 {
   size_t bytes;
   bitset bset;
@@ -296,15 +296,15 @@ bitset_print (FILE *file, bitset bset, bool verbose)
 
   if (verbose)
     fprintf (file, "n_bits = %lu, set = {",
-            (unsigned long int) bitset_size (bset));
+             (unsigned long int) bitset_size (bset));
 
   pos = 30;
   BITSET_FOR_EACH (iter, bset, i, 0)
   {
     if (pos > 70)
       {
-       fprintf (file, "\n");
-       pos = 0;
+        fprintf (file, "\n");
+        pos = 0;
       }
 
     fprintf (file, "%lu ", (unsigned long int) i);
@@ -407,7 +407,7 @@ bitset_copy_ (bitset dst, bitset src)
    four operand operations.  */
 static inline bool
 bitset_op4_cmp (bitset dst, bitset src1, bitset src2, bitset src3,
-               enum bitset_ops op)
+                enum bitset_ops op)
 {
   bool changed = false;
   bool stats_enabled_save;
@@ -421,6 +421,9 @@ bitset_op4_cmp (bitset dst, bitset src1, bitset src2, bitset src3,
 
   switch (op)
     {
+    default:
+      abort ();
+
     case BITSET_OP_OR_AND:
       bitset_or (tmp, src1, src2);
       changed = bitset_and_cmp (dst, src3, tmp);
@@ -435,9 +438,6 @@ bitset_op4_cmp (bitset dst, bitset src1, bitset src2, bitset src3,
       bitset_andn (tmp, src1, src2);
       changed = bitset_or_cmp (dst, src3, tmp);
       break;
-
-    default:
-      abort ();
     }
 
   bitset_free (tmp);