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khash.h: keep key/value table accessible from original hashtable during resize; fix #2682

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Yukihiro "Matz" Matsumoto
2014-12-23 22:28:33 +09:00
parent 7f630d41ab
commit bb3447173b
1 changed files with 7 additions and 4 deletions
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include/mruby/khash.h
+7 -4
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@@ -148,20 +148,23 @@ kh_fill_flags(uint8_t *p, uint8_t c, size_t len)
new_n_buckets = KHASH_MIN_SIZE; \
khash_power2(new_n_buckets); \
{ \
kh_##name##_t hh; \
uint8_t *old_ed_flags = h->ed_flags; \
khkey_t *old_keys = h->keys; \
khval_t *old_vals = h->vals; \
khint_t old_n_buckets = h->n_buckets; \
khint_t i; \
h->n_buckets = new_n_buckets; \
kh_alloc_##name(mrb, h); \
hh.n_buckets = new_n_buckets; \
kh_alloc_##name(mrb, &hh); \
/* relocate */ \
for (i=0 ; i<old_n_buckets ; i++) { \
if (!__ac_iseither(old_ed_flags, i)) { \
khint_t k = kh_put_##name(mrb, h, old_keys[i], NULL); \
if (kh_is_map) kh_value(h,k) = old_vals[i]; \
khint_t k = kh_put_##name(mrb, &hh, old_keys[i], NULL); \
if (kh_is_map) kh_value(&hh,k) = old_vals[i]; \
} \
} \
/* copy hh to h */ \
*h = hh; \
mrb_free(mrb, old_keys); \
} \
} \