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* array.c (rb_ary_sample): negative sample number is invalid.

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[ruby-core:23374]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23359 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2009-05-07 05:26:16 +00:00
parent 013b277316
commit 9936642c40
3 changed files with 8 additions and 0 deletions
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array.c
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@ -3450,6 +3450,7 @@ rb_ary_sample(int argc, VALUE *argv, VALUE ary)
}
rb_scan_args(argc, argv, "1", &nv);
n = NUM2LONG(nv);
if (n < 0) rb_raise(rb_eArgError, "negative sample number");
ptr = RARRAY_PTR(ary);
len = RARRAY_LEN(ary);
if (n > len) n = len;