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/*
* Copyright (c) 2015-2018 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#ifdef __NR_lseek
# include <stdio.h>
# include <unistd.h>
int
main(void)
{
const kernel_ulong_t offset = (kernel_ulong_t) 0xfacefeeddeadbeefULL;
if (sizeof(offset) > sizeof(long)) {
/*
* Cannot use syscall because it takes long arguments.
* Let's call lseek with hope it will invoke lseek syscall.
*/
long long rc = lseek(-1, offset, SEEK_SET);
printf("lseek(-1, %lld, SEEK_SET) = %lld %s (%m)\n",
(long long) offset, rc, errno2name());
} else {
long rc = syscall(__NR_lseek, -1L, offset, SEEK_SET);
printf("lseek(-1, %ld, SEEK_SET) = %ld %s (%m)\n",
(long) offset, rc, errno2name());
}
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_lseek")
#endif
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