1/* Get filesystem statistics (deprecated). Linux version.
2 Copyright (C) 1997-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <shlib-compat.h>
20
21/* This deprecated syscall is no longer used (replaced with {f}statfs). */
22#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_28)
23
24# include <sysdep.h>
25# include <sys/types.h>
26
27# ifndef DEV_TO_KDEV
28# define DEV_TO_KDEV(__dev) \
29 ({ \
30 unsigned long long int k_dev; \
31 k_dev = dev & ((1ULL << 32) - 1); \
32 if (k_dev != dev) \
33 return INLINE_SYSCALL_ERROR_RETURN_VALUE (EINVAL); \
34 (unsigned int) k_dev; \
35 })
36# endif
37
38struct ustat
39{
40 __daddr_t f_tfree; /* Number of free blocks. */
41 __ino_t f_tinode; /* Number of free inodes. */
42 char f_fname[6];
43 char f_fpack[6];
44};
45
46int
47__old_ustat (dev_t dev, struct ustat *ubuf)
48{
49# ifdef __NR_ustat
50 return INLINE_SYSCALL_CALL (ustat, DEV_TO_KDEV (dev), ubuf);
51# else
52 return INLINE_SYSCALL_ERROR_RETURN_VALUE (ENOSYS);
53# endif
54}
55compat_symbol (libc, __old_ustat, ustat, GLIBC_2_0);
56#endif /* SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_28) */
57