diff options
Diffstat (limited to 'array.c')
-rw-r--r-- | array.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -2952,9 +2952,11 @@ rb_ary_shuffle(VALUE ary) static VALUE rb_ary_choice(VALUE ary) { - long i = RARRAY_LEN(ary); - long j = genrand_real()*i; + long i, j; + i = RARRAY_LEN(ary); + if (i == 0) return Qnil; + j = genrand_real()*i; return RARRAY_PTR(ary)[j]; } |