PAM_PRELIM_CHECK
if (flags & (PAM_PRELIM_CHECK | PAM_UPDATE_AUTHTOK)) {
retval = run_stack(pamh, flags | PAM_PRELIM_CHECK, PAM_PASSWORD_MODULE,
if ((flags & PAM_PRELIM_CHECK) == 0)
if ((flags & PAM_PRELIM_CHECK) == PAM_PRELIM_CHECK)
if ((flags & PAM_PRELIM_CHECK) != 0)
if (flags & PAM_PRELIM_CHECK) {
if ((flags & PAM_PRELIM_CHECK) != 0)