diff options
| author | Kazuho Oku <[email protected]> | 2015-09-10 22:24:10 +0900 |
|---|---|---|
| committer | Kazuho Oku <[email protected]> | 2015-09-10 22:24:10 +0900 |
| commit | 44eb1492bed2f9584623ec10ecf14cc46af4bf12 (patch) | |
| tree | 61a98ff9375e62a038d9afbb7851bc787002224a | |
| parent | 1cbbb7e11c02d381a6b76aeebae8db0f54ae9baf (diff) | |
| download | mruby-44eb1492bed2f9584623ec10ecf14cc46af4bf12.tar.gz mruby-44eb1492bed2f9584623ec10ecf14cc46af4bf12.zip | |
freeze the hash key (fixes #2945)
| -rw-r--r-- | src/hash.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/hash.c b/src/hash.c index 0bda2b48b..42b40482a 100644 --- a/src/hash.c +++ b/src/hash.c @@ -104,9 +104,11 @@ static void mrb_hash_modify(mrb_state *mrb, mrb_value hash); static inline mrb_value mrb_hash_ht_key(mrb_state *mrb, mrb_value key) { - if (mrb_string_p(key)) - return mrb_str_dup(mrb, key); - else + if (mrb_string_p(key)) { + key = mrb_str_dup(mrb, key); + RSTR_SET_FROZEN_FLAG(mrb_str_ptr(key)); + return key; + } else return key; } |