android13/external/ltp/testcases/kernel/syscalls/setregid/setregid01.c

66 lines
1.4 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
*
* Author: William Roske
* Co-pilot: Dave Fenner
*/
/*
* Testcase to test the basic functionality of setregid(2) systemm call.
*/
#include "tst_test.h"
#include "compat_tst_16.h"
static gid_t gid, egid; /* current real and effective group id */
static gid_t neg_one = -1;
static struct tcase {
gid_t *arg1;
gid_t *arg2;
const char *msg;
} tcases[] = {
{&neg_one, &neg_one, "Dont change either real or effective gid" },
{&neg_one, &egid, "Change effective to effective gid" },
{&gid, &neg_one, "Change real to real gid" },
{&neg_one, &gid, "Change effective to real gid" },
{&gid, &gid, "Try to change real to current real" }
};
static void run(unsigned int n)
{
struct tcase *tc = &tcases[n];
TEST(SETREGID(*tc->arg1, *tc->arg2));
if (TST_RET == -1)
tst_res(TFAIL | TTERRNO, "%s", tc->msg);
else
tst_res(TPASS, "%s", tc->msg);
}
static void setup(void)
{
gid = getgid();
GID16_CHECK(gid, setregid);
egid = getegid();
GID16_CHECK(egid, setregid);
}
static struct tst_test test = {
.tcnt = ARRAY_SIZE(tcases),
.test = run,
.setup = setup,
};