build: avoid warnings about set-but-not-used variables

* lib/bitset_stats.c (bitset_stats_list): Remove declaration
and set of unused local, "type".
* lib/ebitset.c (ebitset_init): Likewise, for "size".
* lib/lbitset.c (lbitset_not): Likewise, for "elt".

diff --git a/ChangeLog b/ChangeLog
index f1175f8f7c16255daf2f0e3dd66007cf20ca9a37..31a14bb8cf9d77631d6cc47557b4bc9fc246df9e 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2012-01-06  Jim Meyering  <meyering@redhat.com>
+
+       build: avoid warnings about set-but-not-used variables
+       * lib/bitset_stats.c (bitset_stats_list): Remove declaration
+       and set of unused local, "type".
+       * lib/ebitset.c (ebitset_init): Likewise, for "size".
+       * lib/lbitset.c (lbitset_not): Likewise, for "elt".
+
 2011-08-21  Joel E. Denny  <joeldenny@joeldenny.org>
 
        tests: add -pedantic for --enable-gcc-warnings.

diff --git a/lib/bitset_stats.c b/lib/bitset_stats.c
index 2eb77ff8ab76b048c06ab466e8c804b9b36d87b4..fabc2d9fa3126a80015fcbd8e14e98a4d73c1b67 100644 (file)
--- a/lib/bitset_stats.c
+++ b/lib/bitset_stats.c
@@ -576,11 +576,9 @@ bitset_stats_list (bitset bset, bitset_bindex *list,
   bitset_bindex tmp;
   bitset_bindex size;
   bitset_bindex i;
-  enum bitset_type type;
 
   count = BITSET_LIST_ (bset->s.bset, list, num, next);
 
-  type = BITSET_TYPE_ (bset->s.bset);
   BITSET_STATS_LISTS_INC (bset->s.bset);
 
   /* Log histogram of number of set bits.  */

diff --git a/lib/ebitset.c b/lib/ebitset.c
index 2f6960d9b0d8aa6b82615f5113afca49f056dc53..41c4ce84319c62082493c3b5e6947a02b62f457c 100644 (file)
--- a/lib/ebitset.c
+++ b/lib/ebitset.c
@@ -1335,17 +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);

diff --git a/lib/lbitset.c b/lib/lbitset.c
index fb493addf8bb29c2f26e16a99dc43b6b6714f72d..9a2d012fe34eddd90c72de8323648c4bc8a32055 100644 (file)
--- a/lib/lbitset.c
+++ b/lib/lbitset.c
@@ -936,17 +936,12 @@ lbitset_ones (bitset dst)
 static void
 lbitset_not (bitset dst, bitset src)
 {
-  lbitset_elt *elt;
   lbitset_elt *selt;
   lbitset_elt *delt;
   bitset_windex i;
   unsigned int j;
   bitset_windex windex;
 
-  /* This is another unfriendly operation for a linked list
-     bitset!  */
-  elt = LBITSET_TAIL (dst);
-
   windex = (BITSET_SIZE_ (dst) + BITSET_WORD_BITS - 1) / BITSET_WORD_BITS;
 
   for (i = 0; i < windex; i += LBITSET_ELT_WORDS)