diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | string.c | 7 |
2 files changed, 8 insertions, 3 deletions
@@ -1,8 +1,10 @@ -Wed Dec 18 02:27:34 2002 Nobuyoshi Nakada <nobu.nokada@softhome.net> +Wed Dec 18 03:52:55 2002 Nobuyoshi Nakada <nobu.nokada@softhome.net> * string.c (rb_str_new4): handle tail shared string. (ruby-bugs-ja:PR#370) + * string.c (rb_str_dup_frozen): ditto. + Tue Dec 17 21:08:29 2002 Nobuyoshi Nakada <nobu.nokada@softhome.net> * node.h (NODE_ATTRASGN): new node, assignment to attribute. @@ -517,8 +517,11 @@ rb_str_dup_frozen(str) VALUE str; { if (FL_TEST(str, ELTS_SHARED)) { - OBJ_FREEZE(RSTRING(str)->aux.shared); - return RSTRING(str)->aux.shared; + VALUE shared = RSTRING(str)->aux.shared; + if (RSTRING(shared)->len == RSTRING(str)->len) { + OBJ_FREEZE(shared); + return shared; + } } if (OBJ_FROZEN(str)) return str; str = rb_str_dup(str); |