2 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
29 #include <asm/unistd.h>
34 # include <sys/stat.h>
35 # include <sys/sysmacros.h>
44 const kernel_ulong_t magic = (kernel_ulong_t) 0xfacefeedffffffff;
45 unsigned long long buf[4];
50 TAIL_ALLOC_OBJECT_CONST_PTR(struct ustat, ust);
53 perror_msg_and_fail("stat");
55 dev = (unsigned int) st.st_dev;
56 rc = syscall(__NR_ustat, dev, ust);
58 printf("ustat(makedev(%#x, %#x), %p) = %s\n",
59 major(dev), minor(dev), ust, sprintrc(rc));
61 printf("ustat(makedev(%#x, %#x)"
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 */
68 dev = (unsigned int) magic;
69 rc = syscall(__NR_ustat, magic, 0);
70 printf("ustat(makedev(%#x, %#x), NULL) = %s\n",
71 major(dev), minor(dev), sprintrc(rc));
73 rc = syscall(__NR_ustat, magic, buf);
74 printf("ustat(makedev(%#x, %#x), %p) = %s\n",
75 major(dev), minor(dev), buf, sprintrc(rc));
77 puts("+++ exited with 0 +++");
83 SKIP_MAIN_UNDEFINED("__NR_ustat")