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Avoid potential zero size array declaration; fix #4382

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KOBAYASHI Shuji
2019-04-16 19:23:30 +09:00
parent 4e45e320b0
commit 79a7f18150
2 changed files with 3 additions and 2 deletions
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include/mruby/array.h
+1 -2
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@@ -33,7 +33,6 @@ struct RArray {
} aux;
mrb_value *ptr;
} heap;
mrb_value embed[MRB_ARY_EMBED_LEN_MAX];
} as;
};
@@ -46,7 +45,7 @@ struct RArray {
#define ARY_UNSET_EMBED_FLAG(a) ((a)->flags &= ~(MRB_ARY_EMBED_MASK))
#define ARY_EMBED_LEN(a) ((mrb_int)(((a)->flags & MRB_ARY_EMBED_MASK) - 1))
#define ARY_SET_EMBED_LEN(a,len) ((a)->flags = ((a)->flags&~MRB_ARY_EMBED_MASK) | ((uint32_t)(len) + 1))
#define ARY_EMBED_PTR(a) (&((a)->as.embed[0]))
#define ARY_EMBED_PTR(a) ((mrb_value*)&(a)->as)
#define ARY_LEN(a) (ARY_EMBED_P(a)?ARY_EMBED_LEN(a):(a)->as.heap.len)
#define ARY_PTR(a) (ARY_EMBED_P(a)?ARY_EMBED_PTR(a):(a)->as.heap.ptr)