nobu	2013-08-27 16:56:17 +0900 (Tue, 27 Aug 2013)

  New Revision: 42706

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=42706

  Log:
    enumerator.c: add comment

  Modified files:
    trunk/ChangeLog
    trunk/enumerator.c
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 42705)
+++ ChangeLog	(revision 42706)
@@ -1,6 +1,7 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
 Tue Aug 27 16:51:21 2013  Nobuyoshi Nakada  <nobu@r...>
 
-	* enumerator.c (enumerator_each): ensure argument array size is int.
+	* enumerator.c (enumerator_each): ensure that argument array size
+	  does not overflow at appending.
 
 Tue Aug 27 16:46:05 2013  Nobuyoshi Nakada  <nobu@r...>
 
Index: enumerator.c
===================================================================
--- enumerator.c	(revision 42705)
+++ enumerator.c	(revision 42706)
@@ -448,6 +448,7 @@ enumerator_each(int argc, VALUE *argv, V https://github.com/ruby/ruby/blob/trunk/enumerator.c#L448
 	VALUE args = e->args;
 	if (args) {
 #if SIZEOF_INT < SIZEOF_LONG
+	    /* check int range overflow */
 	    rb_long2int(RARRAY_LEN(args) + argc);
 #endif
 	    args = rb_ary_dup(args);

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