1 /*
2  * Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. The name of the author may not be used to endorse or promote products
14  *    derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #include "tests.h"
29 #include <asm/unistd.h>
30 
31 #ifdef __NR_ftruncate
32 
33 # include <stdio.h>
34 # include <unistd.h>
35 
36 int
37 main(void)
38 {
39 	const kernel_ulong_t len = (kernel_ulong_t) 0xdefaced0badc0deULL;
40 	long rc;
41 
42 	if (sizeof(len) > sizeof(long))
43 		rc = ftruncate(-1, len);
44 	else
45 		rc = syscall(__NR_ftruncate, -1L, len);
46 
47 	printf("ftruncate(-1, %llu) = %ld %s (%m)\n",
48 	       (unsigned long long) len, rc, errno2name());
49 
50 	puts("+++ exited with 0 +++");
51 	return 0;
52 }
53 
54 #else
55 
56 SKIP_MAIN_UNDEFINED("__NR_ftruncate")
57 
58 #endif
59