diff options
| -rw-r--r-- | mrbgems/mruby-hash-ext/src/hash-ext.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/mrbgems/mruby-hash-ext/src/hash-ext.c b/mrbgems/mruby-hash-ext/src/hash-ext.c index 00d0c4eaa..952f2eb64 100644 --- a/mrbgems/mruby-hash-ext/src/hash-ext.c +++ b/mrbgems/mruby-hash-ext/src/hash-ext.c @@ -52,6 +52,7 @@ hash_compact_bang(mrb_state *mrb, mrb_value hash) khash_t(ht) *h = RHASH_TBL(hash); mrb_int n = -1; + if (!h) return mrb_nil_value(); for (k = kh_begin(h); k != kh_end(h); k++) { if (kh_exist(h, k)) { mrb_value val = kh_value(h, k).v; |