diff options
| author | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-10-01 13:45:06 +0000 |
|---|---|---|
| committer | matz <matz@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-10-01 13:45:06 +0000 |
| commit | 02914c8a16194cb8afd89dc93ba6eca2512d8e2c (patch) | |
| tree | c323fa3391a2454ff0ba6c09152e4c4d5df05016 /gc.c | |
| parent | ac7497416dd6cac1a8c8a5ab35010da5a09ccc25 (diff) | |
* gc.c (id2ref): valid id should not refer T_VALUE nor T_ICLASS.
[ruby-dev:31911]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@13587 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'gc.c')
| -rw-r--r-- | gc.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -1922,6 +1922,7 @@ id2ref(obj, objid) VALUE obj, objid; { unsigned long ptr, p0; + int type; rb_secure(4); p0 = ptr = NUM2ULONG(objid); @@ -1938,7 +1939,8 @@ id2ref(obj, objid) return ID2SYM(symid); } - if (!is_pointer_to_heap((void *)ptr)|| BUILTIN_TYPE(ptr) >= T_BLKTAG) { + if (!is_pointer_to_heap((void *)ptr)|| + (type = BUILTIN_TYPE(ptr)) >= T_BLKTAG || type == T_ICLASS) { rb_raise(rb_eRangeError, "0x%lx is not id value", p0); } if (BUILTIN_TYPE(ptr) == 0 || RBASIC(ptr)->klass == 0) { |