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/*
* Check decoding of sethostname syscall.
*
* Copyright (c) 2016 Fei Jie <feij.fnst@cn.fujitsu.com>
* Copyright (c) 2016 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2016-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#include <stdio.h>
#include <unistd.h>
#include <linux/utsname.h>
int
main(void)
{
kernel_ulong_t len;
long rc;
len = __NEW_UTS_LEN;
rc = syscall(__NR_sethostname, 0, len);
printf("sethostname(NULL, %u) = %s\n",
(unsigned) len, sprintrc(rc));
if (F8ILL_KULONG_MASK) {
len |= F8ILL_KULONG_MASK;
rc = syscall(__NR_sethostname, 0, len);
printf("sethostname(NULL, %u) = %s\n",
(unsigned) len, sprintrc(rc));
}
len = __NEW_UTS_LEN + 1;
void *const p = tail_alloc(len);
rc = syscall(__NR_sethostname, p, len);
printf("sethostname(%p, %u) = %s\n",
p, (unsigned) len, sprintrc(rc));
puts("+++ exited with 0 +++");
return 0;
}
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