From 2b81ea7ec1c7645b13b097e5b249cbc99f374da7 Mon Sep 17 00:00:00 2001 From: "Yukihiro \"Matz\" Matsumoto" Date: Tue, 28 May 2019 10:44:18 +0900 Subject: Add `mrb_alloca` again; ref #4470 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. --- src/gc.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src') diff --git a/src/gc.c b/src/gc.c index 6dc8e373b..94068c0f9 100644 --- a/src/gc.c +++ b/src/gc.c @@ -277,6 +277,13 @@ mrb_free(mrb_state *mrb, void *p) (mrb->allocf)(mrb, p, 0, mrb->allocf_ud); } +MRB_API void* +mrb_alloca(mrb_state *mrb, size_t size) +{ + mrb_value str = mrb_str_new(mrb, NULL, size); + return RSTRING_PTR(str); +} + static mrb_bool heap_p(mrb_gc *gc, struct RBasic *object) { -- cgit v1.2.3