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1/* Return information about the filesystem on which FILE resides.
2 Copyright (C) 1996-2019 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 <http://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include <string.h>
21#include <stddef.h>
22#include <sysdep.h>
23#include <kernel_stat.h>
24
25/* Hide the prototypes for __statfs and statfs so that GCC will not
26 complain about the different function signatures if they are aliased
27 to __stat64. If STATFS_IS_STATFS64 is not zero then the statfs and
28 statfs64 structures have an identical layout but different type names. */
29
30#if STATFS_IS_STATFS64
31# define __statfs __statfs_disable
32# define statfs statfs_disable
33#endif
34#include <sys/statfs.h>
35
36#include <kernel-features.h>
37
38
39# if __ASSUME_STATFS64 == 0
40int __no_statfs64 attribute_hidden;
41#endif
42
43/* Return information about the filesystem on which FILE resides. */
44int
45__statfs64 (const char *file, struct statfs64 *buf)
46{
47#ifdef __NR_statfs64
48# if __ASSUME_STATFS64 == 0
49 if (! __no_statfs64)
50# endif
51 {
52 int result = INLINE_SYSCALL (statfs64, 3, file, sizeof (*buf), buf);
53
54# if __ASSUME_STATFS64 == 0
55 if (result == 0 || errno != ENOSYS)
56# endif
57 return result;
58
59# if __ASSUME_STATFS64 == 0
60 __no_statfs64 = 1;
61# endif
62 }
63#endif
64
65#if __ASSUME_STATFS64 == 0
66 struct statfs buf32;
67
68 if (__statfs (file, &buf32) < 0)
69 return -1;
70
71 buf->f_type = buf32.f_type;
72 buf->f_bsize = buf32.f_bsize;
73 buf->f_blocks = buf32.f_blocks;
74 buf->f_bfree = buf32.f_bfree;
75 buf->f_bavail = buf32.f_bavail;
76 buf->f_files = buf32.f_files;
77 buf->f_ffree = buf32.f_ffree;
78 buf->f_fsid = buf32.f_fsid;
79 buf->f_namelen = buf32.f_namelen;
80 buf->f_frsize = buf32.f_frsize;
81 memcpy (buf->f_spare, buf32.f_spare, sizeof (buf32.f_spare));
82
83 return 0;
84#endif
85}
86weak_alias (__statfs64, statfs64)
87
88#undef __statfs
89#undef statfs
90
91#if STATFS_IS_STATFS64
92weak_alias (__statfs64, __statfs)
93weak_alias (__statfs64, statfs)
94libc_hidden_ver (__statfs64, __statfs)
95#endif
96

Warning: That file was not part of the compilation database. It may have many parsing errors.