1 /* Copyright (C) 1992, 1995-2005, 2007 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
19 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
22 /* Versions of the `struct stat' data structure. */
23 #define _STAT_VER_KERNEL 0
24 #define _STAT_VER_LINUX 1
25 #define _STAT_VER _STAT_VER_LINUX
27 /* Versions of the `xmknod' interface. */
28 #define _MKNOD_VER_LINUX 0
33 __dev_t st_dev; /* Device. */
34 #ifndef __USE_FILE_OFFSET64
35 __ino_t st_ino; /* File serial number. */
37 __ino64_t st_ino; /* File serial number. */
39 __mode_t st_mode; /* File mode. */
40 __nlink_t st_nlink; /* Link count. */
41 __uid_t st_uid; /* User ID of the file's owner. */
42 __gid_t st_gid; /* Group ID of the file's group.*/
43 __dev_t st_rdev; /* Device number, if device. */
44 #ifndef __USE_FILE_OFFSET64
45 __off_t st_size; /* Size of file, in bytes. */
47 __off64_t st_size; /* Size of file, in bytes. */
49 __blksize_t st_blksize; /* Optimal block size for I/O. */
51 #ifndef __USE_FILE_OFFSET64
52 __blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */
55 __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
58 /* Nanosecond resolution timestamps are stored in a format
59 equivalent to 'struct timespec'. This is the type used
60 whenever possible but the Unix namespace rules do not allow the
61 identifier 'timespec' to appear in the <sys/stat.h> header.
62 Therefore we have to handle the use of this header in strictly
63 standard-compliant sources special. */
64 struct timespec st_atim; /* Time of last access. */
65 struct timespec st_mtim; /* Time of last modification. */
66 struct timespec st_ctim; /* Time of last status change. */
67 # define st_atime st_atim.tv_sec /* Backward compatibility. */
68 # define st_mtime st_mtim.tv_sec
69 # define st_ctime st_ctim.tv_sec
71 __time_t st_atime; /* Time of last access. */
72 unsigned long int st_atimensec; /* Nscecs of last access. */
73 __time_t st_mtime; /* Time of last modification. */
74 unsigned long int st_mtimensec; /* Nsecs of last modification. */
75 __time_t st_ctime; /* Time of last status change. */
76 unsigned long int st_ctimensec; /* Nsecs of last status change. */
78 unsigned long int __unused4;
79 unsigned long int __unused5;
82 #ifdef __USE_LARGEFILE64
85 __dev_t st_dev; /* Device. */
86 __ino64_t st_ino; /* File serial number. */
87 __mode_t st_mode; /* File mode. */
88 __nlink_t st_nlink; /* Link count. */
89 __uid_t st_uid; /* User ID of the file's owner. */
90 __gid_t st_gid; /* Group ID of the file's group.*/
91 __dev_t st_rdev; /* Device number, if device. */
92 __off64_t st_size; /* Size of file, in bytes. */
93 __blksize_t st_blksize; /* Optimal block size for I/O. */
96 __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */
98 /* Nanosecond resolution timestamps are stored in a format
99 equivalent to 'struct timespec'. This is the type used
100 whenever possible but the Unix namespace rules do not allow the
101 identifier 'timespec' to appear in the <sys/stat.h> header.
102 Therefore we have to handle the use of this header in strictly
103 standard-compliant sources special. */
104 struct timespec st_atim; /* Time of last access. */
105 struct timespec st_mtim; /* Time of last modification. */
106 struct timespec st_ctim; /* Time of last status change. */
108 __time_t st_atime; /* Time of last access. */
109 unsigned long int st_atimensec; /* Nscecs of last access. */
110 __time_t st_mtime; /* Time of last modification. */
111 unsigned long int st_mtimensec; /* Nsecs of last modification. */
112 __time_t st_ctime; /* Time of last status change. */
113 unsigned long int st_ctimensec; /* Nsecs of last status change. */
115 unsigned long __unused4;
116 unsigned long __unused5;
120 /* Tell code we have these members. */
121 #define _STATBUF_ST_BLKSIZE
122 #define _STATBUF_ST_RDEV
123 /* Nanosecond resolution time values are supported. */
124 #define _STATBUF_ST_NSEC
126 /* Encoding of the file mode. */
128 #define __S_IFMT 0170000 /* These bits determine file type. */
131 #define __S_IFDIR 0040000 /* Directory. */
132 #define __S_IFCHR 0020000 /* Character device. */
133 #define __S_IFBLK 0060000 /* Block device. */
134 #define __S_IFREG 0100000 /* Regular file. */
135 #define __S_IFIFO 0010000 /* FIFO. */
136 #define __S_IFLNK 0120000 /* Symbolic link. */
137 #define __S_IFSOCK 0140000 /* Socket. */
139 /* POSIX.1b objects. Note that these macros always evaluate to zero. But
140 they do it by enforcing the correct use of the macros. */
141 #define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode)
142 #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
143 #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
145 /* Protection bits. */
147 #define __S_ISUID 04000 /* Set user ID on execution. */
148 #define __S_ISGID 02000 /* Set group ID on execution. */
149 #define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
150 #define __S_IREAD 0400 /* Read by owner. */
151 #define __S_IWRITE 0200 /* Write by owner. */
152 #define __S_IEXEC 0100 /* Execute by owner. */
155 # define UTIME_NOW ((1l << 30) - 1l)
156 # define UTIME_OMIT ((1l << 30) - 2l)