Function memo_acquire

malloc2/malloc2.c:14–32

};

static void *memo_acquire(struct hc_malloc *a, size_t size) {
  struct hc_memo_alloc *ma = hc_baseof(a, struct hc_memo_alloc, malloc);

  if (hc_set_length(&ma->memo)) {
    bool ok = false;
    size_t i = hc_set_index(&ma->memo, &size, &ok);

    if (ok) {
      struct hc_vector *is = &ma->memo.items;
      struct memo *m = *(struct memo **)hc_vector_get(is, i);
      hc_vector_delete(is, i, 1);
      return m->data;
    }
  }

  struct memo *m = hc_acquire(ma->source, sizeof(struct memo) + size);
  m->size = size;
  return m->data;
}

static void memo_release(struct hc_malloc *a, void *p) {
  struct hc_memo_alloc *ma = hc_baseof(a, struct hc_memo_alloc, malloc);