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1 | /* Copyright (C) 1992, 1993, 1994, 1996 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. | |
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4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Library General Public License as | |
6 | published by the Free Software Foundation; either version 2 of the | |
7 | License, or (at your option) any later version. | |
28f540f4 | 8 | |
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9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | Library General Public License for more details. | |
28f540f4 | 13 | |
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14 | You should have received a copy of the GNU Library General Public |
15 | License along with the GNU C Library; see the file COPYING.LIB. If not, | |
16 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
17 | Boston, MA 02111-1307, USA. */ | |
28f540f4 RM |
18 | |
19 | #ifndef _STATBUF_H | |
20 | ||
21 | #define _STATBUF_H 1 | |
22 | ||
23 | #include <gnu/types.h> | |
24 | ||
25 | /* NOTE: The size of this structure (32 ints) is known in | |
26 | <hurd/hurd_types.defs>, since it is used in the `io_stat' RPC. MiG | |
27 | does not cope at all well with the passed C structure not being of | |
28 | the expected size. There are some filler words at the end to allow | |
29 | for future expansion. To increase the size of the structure used | |
30 | in the RPC and retain binary compatibility, we would need to assign | |
31 | a new message number. */ | |
32 | ||
33 | struct stat | |
34 | { | |
35 | int st_fstype; /* File system type. */ | |
36 | __fsid_t st_fsid; /* File system ID. */ | |
37 | #define st_dev st_fsid | |
38 | ||
39 | __ino_t st_ino; /* File number. */ | |
40 | unsigned int st_gen; /* To detect reuse of file numbers. */ | |
41 | __dev_t st_rdev; /* Device if special file. */ | |
42 | __mode_t st_mode; /* File mode. */ | |
43 | __nlink_t st_nlink; /* Number of links. */ | |
44 | ||
45 | __uid_t st_uid; /* Owner. */ | |
46 | __gid_t st_gid; /* Owning group. */ | |
47 | ||
48 | __off_t st_size; /* Size in bytes. */ | |
49 | ||
50 | __time_t st_atime; /* Access time, seconds */ | |
51 | unsigned long int st_atime_usec; /* and microseconds. */ | |
52 | __time_t st_mtime; /* Modification time, seconds */ | |
53 | unsigned long int st_mtime_usec; /* and microseconds. */ | |
54 | __time_t st_ctime; /* Status change time, seconds */ | |
55 | unsigned long int st_ctime_usec; /* and microseconds. */ | |
56 | ||
57 | unsigned int st_blksize; /* Optimal size for I/O. */ | |
58 | ||
59 | #define _STATBUF_ST_BLKSIZE /* Tell code we have this member. */ | |
60 | ||
61 | unsigned int st_blocks; /* Number of 512-byte blocks allocated. | |
62 | Not related to `st_blksize'. */ | |
63 | ||
64 | __uid_t st_author; /* File author. */ | |
65 | ||
66 | unsigned int st_flags; /* User-defined flags. | |
67 | High 16 bits can be set only by root. */ | |
68 | ||
69 | int st_spare[11]; /* Room for future expansion. */ | |
70 | }; | |
71 | ||
72 | /* Encoding of the file mode. */ | |
73 | ||
74 | #define __S_IFMT 0170000 /* These bits determine file type. */ | |
75 | ||
76 | /* File types. */ | |
77 | #define __S_IFDIR 0040000 /* Directory. */ | |
78 | #define __S_IFCHR 0020000 /* Character device. */ | |
79 | #define __S_IFBLK 0060000 /* Block device. */ | |
80 | #define __S_IFREG 0100000 /* Regular file. */ | |
81 | #define __S_IFLNK 0120000 /* Symbolic link. */ | |
82 | #define __S_IFSOCK 0140000 /* Socket. */ | |
83 | #define __S_IFIFO 0010000 /* FIFO. */ | |
84 | ||
85 | /* Protection bits. */ | |
86 | ||
87 | #define __S_ISUID 04000 /* Set user ID on execution. */ | |
88 | #define __S_ISGID 02000 /* Set group ID on execution. */ | |
89 | #define __S_ISVTX 01000 /* Save swapped text after use (sticky). */ | |
90 | #define __S_IREAD 00400 /* Read by owner. */ | |
91 | #define __S_IWRITE 00200 /* Write by owner. */ | |
92 | #define __S_IEXEC 00100 /* Execute by owner. */ | |
93 | ||
94 | ||
95 | #ifdef __USE_GNU | |
96 | /* If set, there is no benefit in caching the contents of this file. */ | |
97 | #define S_INOCACHE 000000200000 | |
98 | ||
99 | /* If the S_IUSEUNK bit is set, then the S_IUNKNOWN bits (see below) | |
100 | control access for unknown users. If S_IUSEUNK is clear, then unknown | |
101 | users are treated as "others" for purposes of access control. */ | |
102 | #define S_IUSEUNK 000000400000 | |
103 | /* Mask of protection bits for unknown users (no effective IDs at all). */ | |
104 | #define S_IUNKNOWN 000007000000 | |
105 | /* Shift S_IREAD, S_IWRITE, S_IEXEC left this many bits to produce the | |
106 | protection bits for unknown users. */ | |
107 | #define S_IUNKSHIFT 12 | |
108 | ||
109 | /* All the unused bits. */ | |
110 | #define S_ISPARE (~(S_IFMT|S_INOCACHE|S_IUNKNOWN|07777)) | |
111 | #endif | |
112 | ||
113 | /* Default file creation mask (umask). */ | |
114 | #ifdef __USE_BSD | |
115 | #define CMASK 0022 | |
116 | #endif | |
117 | ||
118 | ||
119 | #endif /* statbuf.h */ |