1// SPDX-License-Identifier: GPL-2.0
2
3/*
4 * Copyright (c) Wipro Technologies Ltd, 2002.  All Rights Reserved.
5 * AUTHOR: Saji Kumar.V.R <saji.kumar@wipro.com>
6 */
7
8#include <errno.h>
9#include <sys/timex.h>
10#include "tst_test.h"
11
12#define SET_MODE (ADJ_OFFSET | ADJ_FREQUENCY | ADJ_MAXERROR | ADJ_ESTERROR | \
13	ADJ_STATUS | ADJ_TIMECONST | ADJ_TICK)
14
15static struct timex *tim_save;
16static struct timex *buf;
17
18void verify_adjtimex(void)
19{
20	*buf = *tim_save;
21	buf->modes = SET_MODE;
22	TEST(adjtimex(buf));
23	if ((TST_RET >= TIME_OK) && (TST_RET <= TIME_ERROR)) {
24		tst_res(TPASS, "adjtimex() with mode 0x%x ", SET_MODE);
25	} else {
26		tst_res(TFAIL | TTERRNO, "adjtimex() with mode 0x%x ",
27				SET_MODE);
28	}
29
30	buf->modes = ADJ_OFFSET_SINGLESHOT;
31	TEST(adjtimex(buf));
32	if ((TST_RET >= TIME_OK) && (TST_RET <= TIME_ERROR)) {
33		tst_res(TPASS, "adjtimex() with mode 0x%x ",
34				ADJ_OFFSET_SINGLESHOT);
35	} else {
36		tst_res(TFAIL | TTERRNO,
37				"adjtimex() with mode 0x%x ",
38				ADJ_OFFSET_SINGLESHOT);
39	}
40}
41
42static void setup(void)
43{
44	tim_save->modes = 0;
45
46	/* Save current parameters */
47	if ((adjtimex(tim_save)) == -1) {
48		tst_brk(TBROK | TERRNO,
49			"adjtimex(): failed to save current params");
50	}
51}
52
53static struct tst_test test = {
54	.needs_root = 1,
55	.setup = setup,
56	.test_all = verify_adjtimex,
57	.bufs = (struct tst_buffers []) {
58		{&buf, .size = sizeof(*buf)},
59		{&tim_save, .size = sizeof(*tim_save)},
60		{},
61	}
62};
63