From 9936642c409c48cfaced1a1f9d0f95fa100744e5 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 7 May 2009 05:26:16 +0000
Subject: * array.c (rb_ary_sample): negative sample number is invalid.  
 [ruby-core:23374]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23359 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 array.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'array.c')

diff --git a/array.c b/array.c
index 198f0570f1..4eeae43391 100644
--- a/array.c
+++ b/array.c
@@ -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;
-- 
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