Use unlocked I/O for a minor performance improvement on hosts like

[bison.git] / src / closure.c

diff --git a/src/closure.c b/src/closure.c
index 228056f7bb46c501b4212607cc73494e116a965d..8652a22bf0584922ec23685ab4b0c81373fdeefe 100644 (file)
--- a/src/closure.c
+++ b/src/closure.c
@@ -1,6 +1,7 @@
 /* Closures for Bison
 
-   Copyright (C) 1984, 1989, 2000, 2001, 2002 Free Software Foundation, Inc.
+   Copyright (C) 1984, 1989, 2000, 2001, 2002, 2004 Free Software
+   Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -16,8 +17,8 @@
 
    You should have received a copy of the GNU General Public License
    along with Bison; see the file COPYING.  If not, write to the Free
-   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-   02111-1307, USA.  */
+   Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+   02110-1301, USA.  */
 
 #include "system.h"
 
@@ -35,7 +36,7 @@
 
 /* NITEMSET is the size of the array ITEMSET.  */
 item_number *itemset;
-int nritemset;
+size_t nritemset;
 
 static bitset ruleset;
 
@@ -74,7 +75,7 @@ print_firsts (void)
 {
   symbol_number i, j;
 
-  fprintf (stderr, "FIRSTS\n");
+  fputs ("FIRSTS\n", stderr);
   for (i = ntokens; i < nsyms; i++)
     {
       bitset_iterator iter;
@@ -85,7 +86,7 @@ print_firsts (void)
                   symbols[j + ntokens]->tag);
        }
     }
-  fprintf (stderr, "\n\n");
+  fputs ("\n\n", stderr);
 }
 
 
@@ -95,7 +96,7 @@ print_fderives (void)
   int i;
   rule_number r;
 
-  fprintf (stderr, "FDERIVES\n");
+  fputs ("FDERIVES\n", stderr);
   for (i = ntokens; i < nsyms; i++)
     {
       bitset_iterator iter;
@@ -106,7 +107,7 @@ print_fderives (void)
          rule_rhs_print (&rules[r], stderr);
        }
     }
-  fprintf (stderr, "\n\n");
+  fputs ("\n\n", stderr);
 }
 \f
 /*------------------------------------------------------------------.
@@ -180,9 +181,9 @@ set_fderives (void)
 \f
 
 void
-new_closure (int n)
+new_closure (unsigned int n)
 {
-  CALLOC (itemset, n);
+  itemset = xnmalloc (n, sizeof *itemset);
 
   ruleset = bitset_create (nrules, BITSET_FIXED);
 
@@ -192,10 +193,10 @@ new_closure (int n)
 
 
 void
-closure (item_number *core, int n)
+closure (item_number *core, size_t n)
 {
   /* Index over CORE. */
-  int c;
+  size_t c;
 
   /* A bit index over RULESET. */
   rule_number ruleno;
@@ -241,7 +242,7 @@ closure (item_number *core, int n)
 void
 free_closure (void)
 {
-  XFREE (itemset);
+  free (itemset);
   bitset_free (ruleset);
   bitsetv_free (fderives);
 }