1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/* Copyright (C) 1992, 1993, 1994, 1996, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/*
* Never include this file directly; use <sys/stat.h> instead.
*/
#ifndef _BITS_STAT_H
#define _BITS_STAT_H 1
#include <bits/types.h>
/* NOTE: The size of this structure (32 ints) is known in
<hurd/hurd_types.defs>, since it is used in the `io_stat' RPC. MiG
does not cope at all well with the passed C structure not being of
the expected size. There are some filler words at the end to allow
for future expansion. To increase the size of the structure used
in the RPC and retain binary compatibility, we would need to assign
a new message number. */
struct stat
{
int st_fstype; /* File system type. */
__fsid_t st_fsid; /* File system ID. */
#define st_dev st_fsid
__ino_t st_ino; /* File number. */
unsigned int st_gen; /* To detect reuse of file numbers. */
__dev_t st_rdev; /* Device if special file. */
__mode_t st_mode; /* File mode. */
__nlink_t st_nlink; /* Number of links. */
__uid_t st_uid; /* Owner. */
__gid_t st_gid; /* Owning group. */
__off_t st_size; /* Size in bytes. */
__time_t st_atime; /* Access time, seconds */
unsigned long int st_atime_usec; /* and microseconds. */
__time_t st_mtime; /* Modification time, seconds */
unsigned long int st_mtime_usec; /* and microseconds. */
__time_t st_ctime; /* Status change time, seconds */
unsigned long int st_ctime_usec; /* and microseconds. */
unsigned int st_blksize; /* Optimal size for I/O. */
#define _STATBUF_ST_BLKSIZE /* Tell code we have this member. */
unsigned int st_blocks; /* Number of 512-byte blocks allocated.
Not related to `st_blksize'. */
__uid_t st_author; /* File author. */
unsigned int st_flags; /* User-defined flags.
High 16 bits can be set only by root. */
#define _SPARE_SIZE ((sizeof (__fsid_t) == sizeof (int)) ? 12 : 11)
int st_spare[_SPARE_SIZE]; /* Room for future expansion. */
#undef _SPARE_SIZE
};
/* Encoding of the file mode. */
#define __S_IFMT 0170000 /* These bits determine file type. */
/* File types. */
#define __S_IFDIR 0040000 /* Directory. */
#define __S_IFCHR 0020000 /* Character device. */
#define __S_IFBLK 0060000 /* Block device. */
#define __S_IFREG 0100000 /* Regular file. */
#define __S_IFLNK 0120000 /* Symbolic link. */
#define __S_IFSOCK 0140000 /* Socket. */
#define __S_IFIFO 0010000 /* FIFO. */
/* Protection bits. */
#define __S_ISUID 04000 /* Set user ID on execution. */
#define __S_ISGID 02000 /* Set group ID on execution. */
#define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
#define __S_IREAD 00400 /* Read by owner. */
#define __S_IWRITE 00200 /* Write by owner. */
#define __S_IEXEC 00100 /* Execute by owner. */
#ifdef __USE_GNU
/* If set, there is no benefit in caching the contents of this file. */
#define S_INOCACHE 000000200000
/* If the S_IUSEUNK bit is set, then the S_IUNKNOWN bits (see below)
control access for unknown users. If S_IUSEUNK is clear, then unknown
users are treated as "others" for purposes of access control. */
#define S_IUSEUNK 000000400000
/* Mask of protection bits for unknown users (no effective IDs at all). */
#define S_IUNKNOWN 000007000000
/* Shift S_IREAD, S_IWRITE, S_IEXEC left this many bits to produce the
protection bits for unknown users. */
#define S_IUNKSHIFT 12
/* Read only bits: */
/* There is a passive translator set for this file */
#define S_IPTRANS 000010000000
/* There is an active translator running on this file */
#define S_IATRANS 000020000000
/* This is the root of a filesystem (or single node translator) */
#define S_IROOT 000040000000
/* All the bits relevant to translators */
#define S_ITRANS 000070000000
/* ALL the unused bits. */
#define S_ISPARE (~(S_IFMT|S_ITRANS|S_INOCACHE| \
S_IUSEUNK|S_IUNKNOWN|07777))
#endif
/* Default file creation mask (umask). */
#ifdef __USE_BSD
#define CMASK 0022
#endif
#endif /* bits/stat.h */
|
