提交: 1300770cec6b6a20c33dc54c9c01fc07c5097088 - mruby_brightv_port (git)

mrubyを超漢字で動作させる

Commit MetaInfo

• 修訂: 1300770cec6b6a20c33dc54c9c01fc07c5097088 (tree)
• 時間: 2014-07-06 19:30:29
• 作者: Yukihiro "Matz" Matsumoto <matz@ruby...>
• Commiter: Yukihiro "Matz" Matsumoto

Log Message

Merge pull request #2447 from take-cheeze/reduce_ary_clear_alloc

Reduce allocation in shared RArray clearing.

Change Summary

• modified: src/array.c

差異

--- a/src/array.c
+++ b/src/array.c
@@ -902,10 +902,14 @@ mrb_ary_clear(mrb_state *mrb, mrb_value self)
 {
   struct RArray *a = mrb_ary_ptr(self);
 
-  ary_modify(mrb, a);
+  if (ARY_SHARED_P(a)) {
+    mrb_ary_decref(mrb, a->aux.shared);
+    ARY_UNSET_SHARED_FLAG(a);
+  } else {
+    mrb_free(mrb, a->ptr);
+  }
   a->len = 0;
   a->aux.capa = 0;
-  mrb_free(mrb, a->ptr);
   a->ptr = 0;
 
   return self;