Pacify "gcc -Wunused" for the input function from Flex.

[bison.git] / src / gram.c

diff --git a/src/gram.c b/src/gram.c
index 6b9eda13b7c4d60df0950388bf27dfeec3919b81..b2a0cb7a81db5bf7cb0ae5ca969fb14ff0a5d76a 100644 (file)
--- a/src/gram.c
+++ b/src/gram.c
@@ -1,7 +1,7 @@
 /* Allocate input grammar variables for Bison.
 
    Copyright (C) 1984, 1986, 1989, 2001, 2002, 2003, 2005, 2006
-   2007 Free Software Foundation, Inc.
+   2007, 2008, 2009 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -87,10 +87,10 @@ rule_lhs_print_xml (rule *r, FILE *out, int level)
   xml_printf (out, level, "<lhs>%s</lhs>", r->lhs->tag);
 }
 
-int
+size_t
 rule_rhs_length (rule *r)
 {
-  int res = 0;
+  size_t res = 0;
   item_number *rhsp;
   for (rhsp = r->rhs; *rhsp >= 0; ++rhsp)
     ++res;
@@ -224,7 +224,8 @@ grammar_rules_print_xml (FILE *out, int level)
         fprintf (out, "<rule number=\"%d\" usefulness=\"%s\"",
                  rules[r].number, usefulness);
         if (rules[r].precsym)
-          fprintf (out, " percent_prec=\"%s\"", rules[r].precsym->tag);
+          fprintf (out, " percent_prec=\"%s\"",
+                   xml_escape (rules[r].precsym->tag));
         fputs (">\n", out);
       }
       rule_lhs_print_xml (&rules[r], out, level + 3);