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/*
* This file is part of copy_file_range strace test.
*
* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "tests.h"
#include <sys/syscall.h>
#if defined __NR_copy_file_range
# include <assert.h>
# include <stdio.h>
# include <unistd.h>
int
main(void)
{
const long int fd_in = (long int) 0xdeadbeefffffffff;
const long int fd_out = (long int) 0xdeadbeeffffffffe;
long long int *const off_in = tail_alloc(sizeof(*off_in));
long long int *const off_out = tail_alloc(sizeof(*off_out));
*off_in = 0xdeadbef1facefed1;
*off_out = 0xdeadbef2facefed2;
const size_t len = (size_t) 0xdeadbef3facefed3ULL;
const unsigned int flags = 0;
long rc = syscall(__NR_copy_file_range,
fd_in, off_in, fd_out, off_out, len, flags);
printf("copy_file_range(%d, [%lld], %d, [%lld], %zu, %u)"
" = %ld %s (%m)\n",
(int) fd_in, *off_in, (int) fd_out, *off_out, len, flags,
rc, errno2name());
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_copy_file_range")
#endif
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