in dlg_specific.c [79:103]
static UInt4 replaceExtraOptions(ConnInfo *ci, UInt4 flag, BOOL overwrite)
{
if (overwrite)
ci->extra_opts = flag;
else
ci->extra_opts |= (flag & ~(OVR_EXTRA_BITS));
if (overwrite || ci->force_abbrev_connstr < 0)
ci->force_abbrev_connstr = (0 != (flag & BIT_FORCEABBREVCONNSTR));
if (overwrite || ci->fake_mss < 0)
ci->fake_mss = (0 != (flag & BIT_FAKE_MSS));
if (overwrite || ci->bde_environment < 0)
ci->bde_environment = (0 != (flag & BIT_BDE_ENVIRONMENT));
if (overwrite || ci->cvt_null_date_string < 0)
ci->cvt_null_date_string = (0 != (flag & BIT_CVT_NULL_DATE));
if (overwrite || ci->accessible_only < 0)
ci->accessible_only = (0 != (flag & BIT_ACCESSIBLE_ONLY));
if (overwrite || ci->ignore_round_trip_time < 0)
ci->ignore_round_trip_time = (0 != (flag & BIT_IGNORE_ROUND_TRIP_TIME));
if (overwrite || ci->disable_keepalive < 0)
ci->disable_keepalive = (0 != (flag & BIT_DISABLE_KEEPALIVE));
if (overwrite || ci->disable_convert_func < 0)
ci->disable_convert_func = (0 != (flag & BIT_DISABLE_CONVERT_FUNC));
return (ci->extra_opts = getExtraOptions(ci));
}