1 /* Copyright (C) 1999-2003,2009,2010 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
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 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
18
19 #if !defined _SYS_STAT_H && !defined _FCNTL_H
20 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
21 #endif
22
23 #ifndef _BITS_STAT_H
24 #define _BITS_STAT_H 1
25
26 /* Versions of the `struct stat' data structure. */
27 #define _STAT_VER_KERNEL 0
28
29 #if __WORDSIZE == 32
30 # define _STAT_VER_SVR4 2
31 # define _STAT_VER_LINUX 3
32
33 /* i386 versions of the `xmknod' interface. */
34 # define _MKNOD_VER_LINUX 1
35 # define _MKNOD_VER_SVR4 2
36 # define _MKNOD_VER _MKNOD_VER_LINUX /* The bits defined below. */
37 #else
38 # define _STAT_VER_LINUX 1
39
40 /* x86-64 versions of the `xmknod' interface. */
41 # define _MKNOD_VER_LINUX 0
42 #endif
43
44 #define _STAT_VER _STAT_VER_LINUX
45
46 struct stat
47 {
48 __dev_t st_dev; /* Device. */
49 #if __WORDSIZE == 32
50 unsigned short int __pad1;
51 #endif
52 #if __WORDSIZE == 64 || !defined __USE_FILE_OFFSET64
53 __ino_t st_ino; /* File serial number. */
54 #else
55 __ino_t __st_ino; /* 32bit file serial number. */
56 #endif
57 #if __WORDSIZE == 32
58 __mode_t st_mode; /* File mode. */
59 __nlink_t st_nlink; /* Link count. */
60 #else
61 __nlink_t st_nlink; /* Link count. */
62 __mode_t st_mode; /* File mode. */
63 #endif
64 __uid_t st_uid; /* User ID of the file's owner. */
65 __gid_t st_gid; /* Group ID of the file's group.*/
66 #if __WORDSIZE == 64
67 int __pad0;
68 #endif
69 __dev_t st_rdev; /* Device number, if device. */
70 #if __WORDSIZE == 32
71 unsigned short int __pad2;
72 #endif
73 #if __WORDSIZE == 64 || !defined __USE_FILE_OFFSET64
74 __off_t st_size; /* Size of file, in bytes. */
75 #else
76 __off64_t st_size; /* Size of file, in bytes. */
77 #endif
78 __blksize_t st_blksize; /* Optimal block size for I/O. */
79 #if __WORDSIZE == 64 || !defined __USE_FILE_OFFSET64
80 __blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */
81 #else
82 __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
83 #endif
84 #if defined __USE_MISC || defined __USE_XOPEN2K8
85 /* Nanosecond resolution timestamps are stored in a format
86 equivalent to 'struct timespec'. This is the type used
87 whenever possible but the Unix namespace rules do not allow the
88 identifier 'timespec' to appear in the <sys/stat.h> header.
89 Therefore we have to handle the use of this header in strictly
90 standard-compliant sources special. */
91 struct timespec st_atim; /* Time of last access. */
92 struct timespec st_mtim; /* Time of last modification. */
93 struct timespec st_ctim; /* Time of last status change. */
94 # define st_atime st_atim.tv_sec /* Backward compatibility. */
95 # define st_mtime st_mtim.tv_sec
96 # define st_ctime st_ctim.tv_sec
97 #else
98 __time_t st_atime; /* Time of last access. */
99 unsigned long int st_atimensec; /* Nscecs of last access. */
100 __time_t st_mtime; /* Time of last modification. */
101 unsigned long int st_mtimensec; /* Nsecs of last modification. */
102 __time_t st_ctime; /* Time of last status change. */
103 unsigned long int st_ctimensec; /* Nsecs of last status change. */
104 #endif
105 #if __WORDSIZE == 64
106 long int __unused[3];
107 #else
108 # ifndef __USE_FILE_OFFSET64
109 unsigned long int __unused4;
110 unsigned long int __unused5;
111 # else
112 __ino64_t st_ino; /* File serial number. */
113 # endif
114 #endif
115 };
116
117 #ifdef __USE_LARGEFILE64
118 /* Note stat64 has the same shape as stat for x86-64. */
119 struct stat64
120 {
121 __dev_t st_dev; /* Device. */
122 # if __WORDSIZE == 64
123 __ino64_t st_ino; /* File serial number. */
124 __nlink_t st_nlink; /* Link count. */
125 __mode_t st_mode; /* File mode. */
126 # else
127 unsigned int __pad1;
128 __ino_t __st_ino; /* 32bit file serial number. */
129 __mode_t st_mode; /* File mode. */
130 __nlink_t st_nlink; /* Link count. */
131 # endif
132 __uid_t st_uid; /* User ID of the file's owner. */
133 __gid_t st_gid; /* Group ID of the file's group.*/
134 # if __WORDSIZE == 64
135 int __pad0;
136 __dev_t st_rdev; /* Device number, if device. */
137 __off_t st_size; /* Size of file, in bytes. */
138 # else
139 __dev_t st_rdev; /* Device number, if device. */
140 unsigned int __pad2;
141 __off64_t st_size; /* Size of file, in bytes. */
142 # endif
143 __blksize_t st_blksize; /* Optimal block size for I/O. */
144 __blkcnt64_t st_blocks; /* Nr. 512-byte blocks allocated. */
145 # if defined __USE_MISC || defined __USE_XOPEN2K8
146 /* Nanosecond resolution timestamps are stored in a format
147 equivalent to 'struct timespec'. This is the type used
148 whenever possible but the Unix namespace rules do not allow the
149 identifier 'timespec' to appear in the <sys/stat.h> header.
150 Therefore we have to handle the use of this header in strictly
151 standard-compliant sources special. */
152 struct timespec st_atim; /* Time of last access. */
153 struct timespec st_mtim; /* Time of last modification. */
154 struct timespec st_ctim; /* Time of last status change. */
155 # define st_atime st_atim.tv_sec /* Backward compatibility. */
156 # define st_mtime st_mtim.tv_sec
157 # define st_ctime st_ctim.tv_sec
158 # else
159 __time_t st_atime; /* Time of last access. */
160 unsigned long int st_atimensec; /* Nscecs of last access. */
161 __time_t st_mtime; /* Time of last modification. */
162 unsigned long int st_mtimensec; /* Nsecs of last modification. */
163 __time_t st_ctime; /* Time of last status change. */
164 unsigned long int st_ctimensec; /* Nsecs of last status change. */
165 # endif
166 # if __WORDSIZE == 64
167 long int __unused[3];
168 # else
169 __ino64_t st_ino; /* File serial number. */
170 # endif
171 };
172 #endif
173
174 /* Tell code we have these members. */
175 #define _STATBUF_ST_BLKSIZE
176 #define _STATBUF_ST_RDEV
177 /* Nanosecond resolution time values are supported. */
178 #define _STATBUF_ST_NSEC
179
180 /* Encoding of the file mode. */
181
182 #define __S_IFMT 0170000 /* These bits determine file type. */
183
184 /* File types. */
185 #define __S_IFDIR 0040000 /* Directory. */
186 #define __S_IFCHR 0020000 /* Character device. */
187 #define __S_IFBLK 0060000 /* Block device. */
188 #define __S_IFREG 0100000 /* Regular file. */
189 #define __S_IFIFO 0010000 /* FIFO. */
190 #define __S_IFLNK 0120000 /* Symbolic link. */
191 #define __S_IFSOCK 0140000 /* Socket. */
192
193 /* POSIX.1b objects. Note that these macros always evaluate to zero. But
194 they do it by enforcing the correct use of the macros. */
195 #define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode)
196 #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
197 #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
198
199 /* Protection bits. */
200
201 #define __S_ISUID 04000 /* Set user ID on execution. */
202 #define __S_ISGID 02000 /* Set group ID on execution. */
203 #define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
204 #define __S_IREAD 0400 /* Read by owner. */
205 #define __S_IWRITE 0200 /* Write by owner. */
206 #define __S_IEXEC 0100 /* Execute by owner. */
207
208 #ifdef __USE_ATFILE
209 # define UTIME_NOW ((1l << 30) - 1l)
210 # define UTIME_OMIT ((1l << 30) - 2l)
211 #endif
212
213 #endif /* bits/stat.h */
214