1 /* Copyright (C) 1999-2012 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 46 struct 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 #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 __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 __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 # 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 # 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 # 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 __unused[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