xref: /aosp_15_r20/external/ltp/testcases/kernel/syscalls/getegid/getegid01.c (revision 49cdfc7efb34551c7342be41a7384b9c40d7cab7)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
4  *   William Roske, Dave Fenner
5  * Copyright (C) 2023 SUSE LLC Andrea Cervesato <[email protected]>
6  */
7 
8 /*\
9  * [Description]
10  *
11  * This test checks if getegid() returns the effective group id.
12  */
13 
14 #include "tst_test.h"
15 #include "compat_tst_16.h"
16 
run(void)17 static void run(void)
18 {
19 	gid_t gid, st_egid;
20 
21 	SAFE_FILE_LINES_SCANF("/proc/self/status", "Gid: %*d %d", &st_egid);
22 	gid = getegid();
23 
24 	if (GID_SIZE_CHECK(st_egid))
25 		TST_EXP_EQ_LI(gid, st_egid);
26 	else
27 		tst_res(TPASS, "getegid() passed");
28 }
29 
30 static struct tst_test test = {
31 	.test_all = run,
32 };
33