1/* Get filesystem statistics (deprecated). Linux version.
2 Copyright (C) 1997-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
19
20#include <shlib-compat.h>
21
22/* This deprecated syscall is no longer used (replaced with {f}statfs). */
23#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_28)
24
25# include <sysdep.h>
26# include <sys/types.h>
27
28# ifndef DEV_TO_KDEV
29# define DEV_TO_KDEV(__dev) \
30 ({ \
31 unsigned long long int k_dev; \
32 k_dev = dev & ((1ULL << 32) - 1); \
33 if (k_dev != dev) \
34 return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); \
35 (unsigned int) k_dev; \
36 })
37# endif
38
39struct ustat
40{
41 __daddr_t f_tfree; /* Number of free blocks. */
42 __ino_t f_tinode; /* Number of free inodes. */
43 char f_fname[6];
44 char f_fpack[6];
45};
46
47int
48__old_ustat (dev_t dev, struct ustat *ubuf)
49{
50# ifdef __NR_ustat
51 return INLINE_SYSCALL_CALL (ustat, DEV_TO_KDEV (dev), ubuf);
52# else
53 return INLINE_SYSCALL_ERROR_RETURN_VALUE (ENOSYS);
54# endif
55}
56compat_symbol (libc, __old_ustat, ustat, GLIBC_2_0);
57#endif /* SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_28) */
58