Function zalloc

mm/umm_heap/umm_zalloc.c:55–85

#undef zalloc
FAR void *zalloc(size_t size)
{
#ifdef CONFIG_ARCH_ADDRENV
  /* Use malloc() because it implements the sbrk() logic */

  FAR void *mem = malloc(size);
  if (mem)
    {
       memset(mem, 0, size);
    }

  return mem;
#else
  FAR void *ret;

  /* Use mm_zalloc() because it implements the clear */

  ret = mm_zalloc(USR_HEAP, size);
  if (ret == NULL)
    {
      set_errno(ENOMEM);
    }
  else
    {
      mm_notify_pressure(mm_heapfree(USR_HEAP),
                         mm_heapfree_largest(USR_HEAP));
    }

  return ret;
#endif
}