akr	2010-03-20 22:52:34 +0900 (Sat, 20 Mar 2010)

  New Revision: 26991

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=26991

  Log:
    * string.c (rb_str_sum): use UCHAR_MAX.

  Modified files:
    trunk/ChangeLog
    trunk/string.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 26990)
+++ ChangeLog	(revision 26991)
@@ -1,3 +1,7 @@
+Sat Mar 20 22:51:46 2010  Tanaka Akira  <akr@f...>
+
+	* string.c (rb_str_sum): use UCHAR_MAX.
+
 Sat Mar 20 19:16:42 2010  Tanaka Akira  <akr@f...>
 
 	* tool/transcode-tblgen.rb (ActionMap.unambiguous_action): use
Index: string.c
===================================================================
--- string.c	(revision 26990)
+++ string.c	(revision 26991)
@@ -6563,7 +6563,7 @@
     pend = p + len;
 
     while (p < pend) {
-        if (FIXNUM_MAX - 255 < sum0) {
+        if (FIXNUM_MAX - UCHAR_MAX < sum0) {
             sum = rb_funcall(sum, '+', 1, LONG2FIX(sum0));
             str_mod_check(str, ptr, len);
             sum0 = 0;

--
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