1/* Copyright (C) 1999-2018 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, see
16 <http://www.gnu.org/licenses/>. */
17
18#if !defined _SYS_STAT_H && !defined _FCNTL_H
19# error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
20#endif
21
22#ifndef _BITS_STAT_H
23#define _BITS_STAT_H 1
24
25/* Versions of the `struct stat' data structure. */
26#ifndef __x86_64__
27# define _STAT_VER_LINUX_OLD 1
28# define _STAT_VER_KERNEL 1
29# define _STAT_VER_SVR4 2
30# define _STAT_VER_LINUX 3
31
32/* i386 versions of the `xmknod' interface. */
33# define _MKNOD_VER_LINUX 1
34# define _MKNOD_VER_SVR4 2
35# define _MKNOD_VER _MKNOD_VER_LINUX /* The bits defined below. */
36#else
37# define _STAT_VER_KERNEL 0
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
46struct stat
47 {
48 __dev_t st_dev; /* Device. */
49#ifndef __x86_64__
50 unsigned short int __pad1;
51#endif
52#if defined __x86_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#ifndef __x86_64__
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#ifdef __x86_64__
67 int __pad0;
68#endif
69 __dev_t st_rdev; /* Device number, if device. */
70#ifndef __x86_64__
71 unsigned short int __pad2;
72#endif
73#if defined __x86_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 defined __x86_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#ifdef __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 __syscall_ulong_t st_atimensec; /* Nscecs of last access. */
100 __time_t st_mtime; /* Time of last modification. */
101 __syscall_ulong_t st_mtimensec; /* Nsecs of last modification. */
102 __time_t st_ctime; /* Time of last status change. */
103 __syscall_ulong_t st_ctimensec; /* Nsecs of last status change. */
104#endif
105#ifdef __x86_64__
106 __syscall_slong_t __glibc_reserved[3];
107#else
108# ifndef __USE_FILE_OFFSET64
109 unsigned long int __glibc_reserved4;
110 unsigned long int __glibc_reserved5;
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. */
119struct stat64
120 {
121 __dev_t st_dev; /* Device. */
122# ifdef __x86_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# ifdef __x86_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# ifdef __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# else
156 __time_t st_atime; /* Time of last access. */
157 __syscall_ulong_t st_atimensec; /* Nscecs of last access. */
158 __time_t st_mtime; /* Time of last modification. */
159 __syscall_ulong_t st_mtimensec; /* Nsecs of last modification. */
160 __time_t st_ctime; /* Time of last status change. */
161 __syscall_ulong_t st_ctimensec; /* Nsecs of last status change. */
162# endif
163# ifdef __x86_64__
164 __syscall_slong_t __glibc_reserved[3];
165# else
166 __ino64_t st_ino; /* File serial number. */
167# endif
168 };
169#endif
170
171/* Tell code we have these members. */
172#define _STATBUF_ST_BLKSIZE
173#define _STATBUF_ST_RDEV
174/* Nanosecond resolution time values are supported. */
175#define _STATBUF_ST_NSEC
176
177/* Encoding of the file mode. */
178
179#define __S_IFMT 0170000 /* These bits determine file type. */
180
181/* File types. */
182#define __S_IFDIR 0040000 /* Directory. */
183#define __S_IFCHR 0020000 /* Character device. */
184#define __S_IFBLK 0060000 /* Block device. */
185#define __S_IFREG 0100000 /* Regular file. */
186#define __S_IFIFO 0010000 /* FIFO. */
187#define __S_IFLNK 0120000 /* Symbolic link. */
188#define __S_IFSOCK 0140000 /* Socket. */
189
190/* POSIX.1b objects. Note that these macros always evaluate to zero. But
191 they do it by enforcing the correct use of the macros. */
192#define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode)
193#define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
194#define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
195
196/* Protection bits. */
197
198#define __S_ISUID 04000 /* Set user ID on execution. */
199#define __S_ISGID 02000 /* Set group ID on execution. */
200#define __S_ISVTX 01000 /* Save swapped text after use (sticky). */
201#define __S_IREAD 0400 /* Read by owner. */
202#define __S_IWRITE 0200 /* Write by owner. */
203#define __S_IEXEC 0100 /* Execute by owner. */
204
205#ifdef __USE_ATFILE
206# define UTIME_NOW ((1l << 30) - 1l)
207# define UTIME_OMIT ((1l << 30) - 2l)
208#endif
209
210#endif /* bits/stat.h */
211