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constify pointer from RARRAY_PTR to detect potential write barrier bugs.

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if you see compiler errors due to this commit, you'd better to use array-modifying
functions, e.g. mrb_ary_set() or mrb_ary_push(), otherwise you might see nasty
GC bugs in the future.  if you are sure what you are doing, replace `RARRAY_PTR(ary)`
by `mrb_ary_ptr(ary)->ptr`. but be warned.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2014-09-12 12:42:39 +09:00
parent 7ea8803e06
commit 48c5321dca
5 changed files with 24 additions and 24 deletions
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include/mruby/array.h
+1 -1
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@@ -32,7 +32,7 @@ struct RArray {
#define RARRAY(v) ((struct RArray*)(mrb_ptr(v)))
#define RARRAY_LEN(a) (RARRAY(a)->len)
#define RARRAY_PTR(a) (RARRAY(a)->ptr)
#define RARRAY_PTR(a) ((const mrb_value*)RARRAY(a)->ptr)
#define MRB_ARY_SHARED 256
#define ARY_SHARED_P(a) ((a)->flags & MRB_ARY_SHARED)
#define ARY_SET_SHARED_FLAG(a) ((a)->flags |= MRB_ARY_SHARED)