* array.c (rb_ary_sample): get rid of infinite loop. #455

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18718 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 2 insertions, 1 deletions

diff --git a/array.c b/array.c
index 0b7427cf91..d3dbde40d8 100644
--- a/array.c
+++ b/array.c
@@ -3032,8 +3032,9 @@ rb_ary_sample(int argc, VALUE *argv, VALUE ary)
 	return RARRAY_PTR(ary)[i];
     }
     rb_scan_args(argc, argv, "1", &nv);
-    if (len == 0) return rb_ary_new2(0);
     n = NUM2INT(nv);
+    if (n > len) n = len;
+    if (n == 0) return rb_ary_new2(0);
     result = rb_ary_new2(n);
     for (i=0; i<n; i++) {
       retry: