[PATCH] Rule length is unsigned.

[Akim Demaille]

        * src/gram.h, src/gram.c (rule_rhs_length): Return a size_t.
---
 ChangeLog  |    5 +++++
 src/gram.c |    6 +++---
 src/gram.h |    4 ++--
 3 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index ee3a544..f501512 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2008-11-26  Akim Demaille  <address@hidden>
 
+       Rule length is unsigned.
+       * src/gram.h, src/gram.c (rule_rhs_length): Return a size_t.
+
+2008-11-26  Akim Demaille  <address@hidden>
+
        Get rid of lalr1-split.cc.
        It was no longer maintainer.
        
diff --git a/src/gram.c b/src/gram.c
index 6b9eda1..725293b 100644
--- 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 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;
diff --git a/src/gram.h b/src/gram.h
index 8e997ec..ffc9ca8 100644
--- a/src/gram.h
+++ b/src/gram.h
@@ -1,7 +1,7 @@
 /* Data definitions for internal representation of Bison's input.
 
    Copyright (C) 1984, 1986, 1989, 1992, 2001, 2002, 2003, 2004, 2005, 2006
-   2007 Free Software Foundation, Inc.
+   2007, 2008 Free Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
 
@@ -223,7 +223,7 @@ void rule_lhs_print (rule *r, symbol *previous_lhs, FILE 
*out);
 void rule_lhs_print_xml (rule *r, FILE *out, int level);
 
 /* Return the length of the RHS.  */
-int rule_rhs_length (rule *r);
+size_t rule_rhs_length (rule *r);
 
 /* Print this rule's RHS on OUT.  */
 void rule_rhs_print (rule *r, FILE *out);
-- 
1.6.0.2.588.g3102