diff options
| -rw-r--r-- | src/symbol.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/symbol.c b/src/symbol.c index 620ae3418..1bc9f2676 100644 --- a/src/symbol.c +++ b/src/symbol.c @@ -34,13 +34,18 @@ static const char pack_table[] = "_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRS static mrb_sym sym_inline_pack(const char *name, uint16_t len) { + enum { + lower_length_max = (MRB_SYMBOL_BITSIZE - 2) / 5, + mix_length_max = (MRB_SYMBOL_BITSIZE - 2) / 6 + }; + char c; const char *p; int i; mrb_sym sym = 0; int lower = 1; - if (len > 6) return 0; /* too long */ + if (len > lower_length_max) return 0; /* too long */ for (i=0; i<len; i++) { uint32_t bits; @@ -64,7 +69,7 @@ sym_inline_pack(const char *name, uint16_t len) } return sym | 3; } - if (len == 6) return 0; + if (len > mix_length_max) return 0; return sym | 1; } |