diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/hash.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/hash.c b/src/hash.c index 86dfae996..83486f6a8 100644 --- a/src/hash.c +++ b/src/hash.c @@ -238,7 +238,7 @@ mrb_hash_dup(mrb_state *mrb, mrb_value hash) ret = (struct RHash*)mrb_obj_alloc(mrb, MRB_TT_HASH, mrb->hash_class); ret->ht = kh_init(ht, mrb); - if (kh_size(h) > 0) { + if (h && kh_size(h) > 0) { ret_h = ret->ht; for (k = kh_begin(h); k != kh_end(h); k++) { |