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mrb_str_dup use sheard string instead of new string

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ksss
2014-04-12 13:04:52 +09:00
parent e08998be8f
commit d305a9dad7
1 changed files with 3 additions and 2 deletions
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src/string.c
+3 -2
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@@ -796,10 +796,11 @@ mrb_str_index(mrb_state *mrb, mrb_value str, mrb_value sub, mrb_int offset)
mrb_value
mrb_str_dup(mrb_state *mrb, mrb_value str)
{
/* should return shared string */
struct RString *s = mrb_str_ptr(str);
struct RString *dup = str_new(mrb, 0, 0);
return mrb_str_new(mrb, STR_PTR(s), STR_LEN(s));
str_with_class(mrb, dup, str);
return str_replace(mrb, dup, s);
}
static mrb_value