BI_ACT_CHECK
if (action & BI_ACT_CHECK)
if (action & BI_ACT_CHECK)
return BI_ACT_BUFFER | BI_ACT_CHECK;
return BI_ACT_BUFFER | BI_ACT_CHECK | BI_ACT_ZERO;
return BI_ACT_BUFFER | BI_ACT_CHECK;