Function mi_heap_malloc_small_zero

3rd/mimalloc-2.0.9/src/alloc.c:92–115

}

static inline mi_decl_restrict void* mi_heap_malloc_small_zero(mi_heap_t* heap, size_t size, bool zero) mi_attr_noexcept {
  mi_assert(heap != NULL);
  #if MI_DEBUG
  const uintptr_t tid = _mi_thread_id();
  mi_assert(heap->thread_id == 0 || heap->thread_id == tid); // heaps are thread local
  #endif
  mi_assert(size <= MI_SMALL_SIZE_MAX);
#if (MI_PADDING)
  if (size == 0) {
    size = sizeof(void*);
  }
#endif
  mi_page_t* page = _mi_heap_get_free_small_page(heap, size + MI_PADDING_SIZE);
  void* p = _mi_page_malloc(heap, page, size + MI_PADDING_SIZE, zero);
  mi_assert_internal(p == NULL || mi_usable_size(p) >= size);
#if MI_STAT>1
  if (p != NULL) {
    if (!mi_heap_is_initialized(heap)) { heap = mi_get_default_heap(); }
    mi_heap_stat_increase(heap, malloc, mi_usable_size(p));
  }
#endif
  mi_track_malloc(p,size,zero);
  return p;
}

// allocate a small block
mi_decl_nodiscard extern inline mi_decl_restrict void* mi_heap_malloc_small(mi_heap_t* heap, size_t size) mi_attr_noexcept {