xref: /aosp_15_r20/external/ltp/testcases/kernel/syscalls/getuid/getuid03.c (revision 49cdfc7efb34551c7342be41a7384b9c40d7cab7)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (c) International Business Machines  Corp., 2001
4  *  Ported by Wayne Boyer
5  */
6 
7 /*\
8  * [Description]
9  *
10  * Check that getuid() return value matches value from /proc/self/status.
11  */
12 
13 #include "tst_test.h"
14 #include "compat_tst_16.h"
15 
verify_getuid(void)16 static void verify_getuid(void)
17 {
18 	long uid;
19 
20 	TST_EXP_POSITIVE(GETUID(), "getuid()");
21 
22 	if (!TST_PASS)
23 		return;
24 
25 	SAFE_FILE_LINES_SCANF("/proc/self/status", "Uid: %ld", &uid);
26 
27 	if (TST_RET != uid) {
28 		tst_res(TFAIL,
29 			"getuid() ret %ld != /proc/self/status Uid: %ld",
30 			TST_RET, uid);
31 	} else {
32 		tst_res(TPASS,
33 			"getuid() ret == /proc/self/status Uid: %ld", uid);
34 	}
35 }
36 
37 static struct tst_test test = {
38 	.test_all = verify_getuid,
39 };
40