1 /*
2  * This file is part of copy_file_range strace test.
3  *
4  * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
5  * Copyright (c) 2016-2017 The strace developers.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include "tests.h"
32 #include <asm/unistd.h>
33 #include "scno.h"
34 
35 #if defined __NR_copy_file_range
36 
37 # include <stdio.h>
38 # include <unistd.h>
39 
40 int
main(void)41 main(void)
42 {
43 	const long int fd_in = (long int) 0xdeadbeefffffffff;
44 	const long int fd_out = (long int) 0xdeadbeeffffffffe;
45 	TAIL_ALLOC_OBJECT_CONST_PTR(long long int, off_in);
46 	TAIL_ALLOC_OBJECT_CONST_PTR(long long int, off_out);
47 	*off_in = 0xdeadbef1facefed1;
48 	*off_out = 0xdeadbef2facefed2;
49 	const size_t len = (size_t) 0xdeadbef3facefed3ULL;
50 	const unsigned int flags = 0;
51 
52 	long rc = syscall(__NR_copy_file_range,
53 			  fd_in, off_in, fd_out, off_out, len, flags);
54 	printf("copy_file_range(%d, [%lld], %d, [%lld], %zu, %u)"
55 	       " = %ld %s (%m)\n",
56 	       (int) fd_in, *off_in, (int) fd_out, *off_out, len, flags,
57 	       rc, errno2name());
58 
59 	puts("+++ exited with 0 +++");
60 	return 0;
61 }
62 
63 #else
64 
65 SKIP_MAIN_UNDEFINED("__NR_copy_file_range")
66 
67 #endif
68