diff options
-rw-r--r-- | ChangeLog | 5 | ||||
-rw-r--r-- | string.c | 5 |
2 files changed, 8 insertions, 2 deletions
@@ -1,3 +1,8 @@ +Mon Sep 29 23:32:25 2008 Tanaka Akira <akr@fsij.org> + + * string.c (rb_str_subseq): don't use rb_str_drop_bytes for short + string. + Mon Sep 29 22:54:29 2008 Tadayoshi Funaba <tadf@dotrb.org> * lib/mathn.rb: added String#to_[rc]. moved def_canon. @@ -1285,8 +1285,9 @@ rb_str_subseq(VALUE str, long beg, long len) { VALUE str2; - if (RSTRING_LEN(str) == beg + len) { - str2 = rb_str_new_shared(str); + if (RSTRING_LEN(str) == beg + len && + RSTRING_EMBED_LEN_MAX < len) { + str2 = rb_str_new_shared(rb_str_new_frozen(str)); rb_str_drop_bytes(str2, beg); } else { |