2 * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
5 * SPDX-License-Identifier: GPL-2.0-or-later
9 #include <asm/unistd.h>
14 # include <sys/stat.h>
15 # include <sys/sysmacros.h>
24 const kernel_ulong_t magic = (kernel_ulong_t) 0xfacefeedffffffff;
25 unsigned long long buf[4];
30 TAIL_ALLOC_OBJECT_CONST_PTR(struct ustat, ust);
33 perror_msg_and_fail("stat");
35 dev = (unsigned int) st.st_dev;
36 rc = syscall(__NR_ustat, dev, ust);
38 printf("ustat(makedev(%#x, %#x), %p) = %s\n",
39 major(dev), minor(dev), ust, sprintrc(rc));
41 printf("ustat(makedev(%#x, %#x)"
42 ", {f_tfree=%llu, f_tinode=%llu}) = 0\n",
43 major(dev), minor(dev),
44 zero_extend_signed_to_ull(ust->f_tfree),
45 zero_extend_signed_to_ull(ust->f_tinode));
46 # endif /* HAVE_USTAT_H */
48 dev = (unsigned int) magic;
49 rc = syscall(__NR_ustat, magic, 0);
50 printf("ustat(makedev(%#x, %#x), NULL) = %s\n",
51 major(dev), minor(dev), sprintrc(rc));
53 rc = syscall(__NR_ustat, magic, buf);
54 printf("ustat(makedev(%#x, %#x), %p) = %s\n",
55 major(dev), minor(dev), buf, sprintrc(rc));
57 puts("+++ exited with 0 +++");
63 SKIP_MAIN_UNDEFINED("__NR_ustat")