diff options
Diffstat (limited to 'hash.c')
-rw-r--r-- | hash.c | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -1016,6 +1016,9 @@ VALUE rb_hash_aset(VALUE hash, VALUE key, VALUE val) { rb_hash_modify(hash); + if (hash == key) { + rb_raise(rb_eArgError, "recursive key for hash"); + } if (RHASH(hash)->ntbl->type == &identhash || rb_obj_class(key) != rb_cString) { st_insert(RHASH(hash)->ntbl, key, val); } @@ -1546,7 +1549,7 @@ recursive_hash(VALUE hash, VALUE dummy, int recur) VALUE hval; if (recur) { - return LONG2FIX(0); + rb_raise(rb_eArgError, "recursive key for hash"); } if (!RHASH(hash)->ntbl) return LONG2FIX(0); |