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* enum.c (enum_first): should check negative length.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23623 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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matz 2009-06-03 00:06:40 +00:00
parent 967001d9da
commit cab726cfac
2 changed files with 7 additions and 0 deletions
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ChangeLog
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@ -1,3 +1,7 @@
Wed Jun 3 09:03:23 2009 Yukihiro Matsumoto <matz@ruby-lang.org>
* enum.c (enum_first): should check negative length.
Tue Jun 2 17:32:40 2009 Yukihiro Matsumoto <matz@ruby-lang.org>
* enum.c (first_i): Enumerator#first should consume only what is

3
enum.c
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@ -654,6 +654,9 @@ enum_first(int argc, VALUE *argv, VALUE obj)
rb_scan_args(argc, argv, "01", &n);
len = NUM2LONG(n);
if (len == 0) return rb_ary_new2(0);
if (len < 0) {
rb_raise(rb_eArgError, "negative length");
}
ary[0] = len;
ary[1] = rb_ary_new2(len);
}