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Add mrb_alloca again; ref #4470

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This time, the allocated memory comes from the string object, which is
referenced from GC arena. The memory region will be reclaimed when the C
function called from VM is terminated, or the GC arena is restored.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2019-05-28 10:44:18 +09:00
parent a1e1af44d2
commit 2b81ea7ec1
2 changed files with 9 additions and 0 deletions
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include/mruby.h
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@@ -1246,6 +1246,8 @@ MRB_API void mrb_pool_close(struct mrb_pool*);
MRB_API void* mrb_pool_alloc(struct mrb_pool*, size_t);
MRB_API void* mrb_pool_realloc(struct mrb_pool*, void*, size_t oldlen, size_t newlen);
MRB_API mrb_bool mrb_pool_can_realloc(struct mrb_pool*, void*, size_t);
/* temporary memory allocation, only effective while GC arena is kept */
MRB_API void* mrb_alloca(mrb_state *mrb, size_t);
MRB_API void mrb_state_atexit(mrb_state *mrb, mrb_atexit_func func);