1/*
2 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
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_ustat
32
33# include <stdio.h>
34# include <sys/stat.h>
35# include <sys/sysmacros.h>
36# include <unistd.h>
37# ifdef HAVE_USTAT_H
38#  include <ustat.h>
39# endif
40
41int
42main(void)
43{
44	const kernel_ulong_t magic = (kernel_ulong_t) 0xfacefeedffffffff;
45	unsigned long long buf[4];
46	unsigned int dev;
47	long rc;
48
49# ifdef HAVE_USTAT_H
50	struct ustat *const ust = tail_alloc(sizeof(*ust));
51	struct stat st;
52	if (stat(".", &st))
53		perror_msg_and_fail("stat");
54
55	dev = (unsigned int) st.st_dev;
56	rc = syscall(__NR_ustat, dev, ust);
57	if (rc)
58		printf("ustat(makedev(%u, %u), %p) = %s\n",
59		       major(dev), minor(dev), ust, sprintrc(rc));
60	else
61		printf("ustat(makedev(%u, %u)"
62		       ", {f_tfree=%llu, f_tinode=%llu}) = 0\n",
63		       major(dev), minor(dev),
64		       zero_extend_signed_to_ull(ust->f_tfree),
65		       zero_extend_signed_to_ull(ust->f_tinode));
66# endif /* HAVE_USTAT_H */
67
68	dev = (unsigned int) magic;
69	rc = syscall(__NR_ustat, magic, 0);
70	printf("ustat(makedev(%u, %u), NULL) = %s\n",
71	       major(dev), minor(dev), sprintrc(rc));
72
73	rc = syscall(__NR_ustat, magic, buf);
74	printf("ustat(makedev(%u, %u), %p) = %s\n",
75	       major(dev), minor(dev), buf, sprintrc(rc));
76
77	puts("+++ exited with 0 +++");
78	return 0;
79}
80
81#else
82
83SKIP_MAIN_UNDEFINED("__NR_ustat")
84
85#endif
86