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allow string shared body

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This commit is contained in:
Yukihiro Matsumoto
2012-05-31 19:16:48 +09:00
parent 71a480fb53
commit 326fc888e4
3 changed files with 72 additions and 42 deletions
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include/mruby/string.h
+5 -3
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@@ -30,7 +30,10 @@ extern const char mrb_digitmap[];
struct RString {
MRUBY_OBJECT_HEADER;
int len;
int capa;
union {
int capa;
struct RString *shared;
} aux;
char *buf;
};
@@ -38,7 +41,7 @@ struct RString {
#define RSTRING(s) ((struct RString*)((s).value.p))
#define RSTRING_PTR(s) (RSTRING(s)->buf)
#define RSTRING_LEN(s) (RSTRING(s)->len)
#define RSTRING_CAPA(s) (RSTRING(s)->capa)
#define RSTRING_CAPA(s) (RSTRING(s)->aux.capa)
#define RSTRING_END(s) (RSTRING(s)->buf + RSTRING(s)->len)
#define MRB_STR_SHARED 256
@@ -64,7 +67,6 @@ mrb_value str_buf_cat(mrb_state *mrb, mrb_value str, const char *ptr, size_t len
char *mrb_string_value_cstr(mrb_state *mrb, mrb_value *ptr);
char *mrb_string_value_ptr(mrb_state *mrb, mrb_value ptr);
mrb_value mrb_str_subseq(mrb_state *mrb, mrb_value str, long beg, long len);
size_t mrb_str_sublen(mrb_state *mrb, mrb_value str, long pos);
mrb_value mrb_str_size(mrb_state *mrb, mrb_value self);
long mrb_str_offset(mrb_state *mrb, mrb_value str, long pos);