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ruby-changes:9663

From: matz <ko1@a...>
Date: Wed, 31 Dec 2008 01:07:31 +0900 (JST)
Subject: [ruby-changes:9663] Ruby:r21204 (trunk): * object.c (rb_to_float): prohibit conversion from nil to float.

matz	2008-12-31 01:07:14 +0900 (Wed, 31 Dec 2008)

  New Revision: 21204

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=21204

  Log:
    * object.c (rb_to_float): prohibit conversion from nil to float.
      [ruby-dev:37663]

  Modified files:
    trunk/ChangeLog
    trunk/object.c

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 21203)
+++ ChangeLog	(revision 21204)
@@ -1,3 +1,8 @@
+Wed Dec 31 00:27:54 2008  Yukihiro Matsumoto  <matz@r...>
+
+	* object.c (rb_to_float): prohibit conversion from nil to float.
+	  [ruby-dev:37663]
+
 Tue Dec 30 21:17:00 2008  Tanaka Akira  <akr@f...>
 
 	* ext/socket/mkconstants.rb: use sock_define_uconst for INADDR_*
Index: object.c
===================================================================
--- object.c	(revision 21203)
+++ object.c	(revision 21204)
@@ -2273,6 +2273,9 @@
     VALUE v;
 
     if (TYPE(val) == T_FLOAT) return val;
+    if (NIL_P(val)) {
+	rb_raise(rb_eTypeError, "can't convert nil into Float");
+    }
     v = convert_type(val, "Float", "to_f", Qtrue);
     if (TYPE(v) != T_FLOAT) {
 	const char *cname = rb_obj_classname(val);

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