diff options
Diffstat (limited to 'random.c')
-rw-r--r-- | random.c | 11 |
1 files changed, 8 insertions, 3 deletions
@@ -596,9 +596,14 @@ random_get_seed(VALUE obj) static VALUE random_copy(VALUE obj, VALUE orig) { - rb_random_t *rnd1 = get_rnd(obj); - rb_random_t *rnd2 = get_rnd(orig); - struct MT *mt = &rnd1->mt; + rb_random_t *rnd1, *rnd2; + struct MT *mt; + + if (!OBJ_INIT_COPY(obj, orig)) return obj; + + rnd1 = get_rnd(obj); + rnd2 = get_rnd(orig); + mt = &rnd1->mt; *rnd1 = *rnd2; mt->next = mt->state + numberof(mt->state) - mt->left + 1; |