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* time.c (num_exact): should not accept strings as operands, even

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though they respond to #to_r.  ideally, strict rational
  conversion should be done by a method like #to_rational, not #to_r.
  [ruby-core:23729]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25991 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
matz 2009-12-04 07:37:10 +00:00
parent 4cec4edd0b
commit 2c2cf71b04
2 changed files with 12 additions and 2 deletions
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7
ChangeLog
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@ -3,6 +3,13 @@ Fri Dec 4 15:50:18 2009 Shugo Maeda <shugo@ruby-lang.org>
* vm_eval.c (yield_under): does not yield self, and passes blockptr
instead of &block to vm_cref_push(). [ruby-dev:39833]
Fri Dec 4 15:15:43 2009 Yukihiro Matsumoto <matz@ruby-lang.org>
* time.c (num_exact): should not accept strings as operands, even
though they respond to #to_r. ideally, strict rational
conversion should be done by a method like #to_rational, not #to_r.
[ruby-core:23729]
Fri Dec 4 13:10:23 2009 NAKAMURA, Hiroshi <nahi@ruby-lang.org>
* ext/stringio/stringio.c (ungetc): RDoc updated. trunk allows

7
time.c
View file

@ -214,19 +214,22 @@ num_exact(VALUE v)
v = rb_convert_type(v, T_RATIONAL, "Rational", "to_r");
break;
case T_STRING:
case T_NIL:
goto typeerror;
default: {
VALUE tmp;
if (!NIL_P(tmp = rb_check_convert_type(v, T_RATIONAL, "Rational", "to_r")))
if (!NIL_P(tmp = rb_check_convert_type(v, T_RATIONAL, "Rational", "to_r"))) {
if (rb_respond_to(v, rb_intern("to_str"))) goto typeerror;
v = tmp;
}
else if (!NIL_P(tmp = rb_check_to_integer(v, "to_int")))
v = tmp;
else {
typeerror:
rb_raise(rb_eTypeError, "can't convert %s into an exact number",
rb_obj_classname(v));
NIL_P(v) ? "nil" : rb_obj_classname(v));
}
break;
}