1 /* Copyright (C) 1999,2000,2001,2002,2003,2009 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 #ifndef _SYS_STAT_H 20 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead." 21 #endif 22 23 /* Versions of the `struct stat' data structure. */ 24 #define _STAT_VER_KERNEL 0 25 26 #if __WORDSIZE == 32 27 # define _STAT_VER_SVR4 2 28 # define _STAT_VER_LINUX 3 29 30 /* i386 versions of the `xmknod' interface. */ 31 # define _MKNOD_VER_LINUX 1 32 # define _MKNOD_VER_SVR4 2 33 # define _MKNOD_VER _MKNOD_VER_LINUX /* The bits defined below. */ 34 #else 35 # define _STAT_VER_LINUX 1 36 37 /* x86-64 versions of the `xmknod' interface. */ 38 # define _MKNOD_VER_LINUX 0 39 #endif 40 41 #define _STAT_VER _STAT_VER_LINUX 42 43 struct stat 44 { 45 __dev_t st_dev; /* Device. */ 46 #if __WORDSIZE == 32 47 unsigned short int __pad1; 48 #endif 49 #if __WORDSIZE == 64 || !defined __USE_FILE_OFFSET64 50 __ino_t st_ino; /* File serial number. */ 51 #else 52 __ino_t __st_ino; /* 32bit file serial number. */ 53 #endif 54 #if __WORDSIZE == 32 55 __mode_t st_mode; /* File mode. */ 56 __nlink_t st_nlink; /* Link count. */ 57 #else 58 __nlink_t st_nlink; /* Link count. */ 59 __mode_t st_mode; /* File mode. */ 60 #endif 61 __uid_t st_uid; /* User ID of the file's owner. */ 62 __gid_t st_gid; /* Group ID of the file's group.*/ 63 #if __WORDSIZE == 64 64 int __pad0; 65 #endif 66 __dev_t st_rdev; /* Device number, if device. */ 67 #if __WORDSIZE == 32 68 unsigned short int __pad2; 69 #endif 70 #if __WORDSIZE == 64 || !defined __USE_FILE_OFFSET64 71 __off_t st_size; /* Size of file, in bytes. */ 72 #else 73 __off64_t st_size; /* Size of file, in bytes. */ 74 #endif 75 __blksize_t st_blksize; /* Optimal block size for I/O. */ 76 #if __WORDSIZE == 64 || !defined __USE_FILE_OFFSET64 77 __blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */ 78 #else 79 __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */ 80 #endif 81 #ifdef __USE_MISC 82 /* Nanosecond resolution timestamps are stored in a format 83 equivalent to 'struct timespec'. This is the type used 84 whenever possible but the Unix namespace rules do not allow the 85 identifier 'timespec' to appear in the <sys/stat.h> header. 86 Therefore we have to handle the use of this header in strictly 87 standard-compliant sources special. */ 88 struct timespec st_atim; /* Time of last access. */ 89 struct timespec st_mtim; /* Time of last modification. */ 90 struct timespec st_ctim; /* Time of last status change. */ 91 # define st_atime st_atim.tv_sec /* Backward compatibility. */ 92 # define st_mtime st_mtim.tv_sec 93 # define st_ctime st_ctim.tv_sec 94 #else 95 __time_t st_atime; /* Time of last access. */ 96 unsigned long int st_atimensec; /* Nscecs of last access. */ 97 __time_t st_mtime; /* Time of last modification. */ 98 unsigned long int st_mtimensec; /* Nsecs of last modification. */ 99 __time_t st_ctime; /* Time of last status change. */ 100 unsigned long int st_ctimensec; /* Nsecs of last status change. */ 101 #endif 102 #if __WORDSIZE == 64 103 long int __unused[3]; 104 #else 105 # ifndef __USE_FILE_OFFSET64 106 unsigned long int __unused4; 107 unsigned long int __unused5; 108 # else 109 __ino64_t st_ino; /* File serial number. */ 110 # endif 111 #endif 112 }; 113 114 #ifdef __USE_LARGEFILE64 115 /* Note stat64 has the same shape as stat for x86-64. */ 116 struct stat64 117 { 118 __dev_t st_dev; /* Device. */ 119 #if __WORDSIZE == 64 120 __ino64_t st_ino; /* File serial number. */ 121 __nlink_t st_nlink; /* Link count. */ 122 __mode_t st_mode; /* File mode. */ 123 #else 124 unsigned int __pad1; 125 __ino_t __st_ino; /* 32bit file serial number. */ 126 __mode_t st_mode; /* File mode. */ 127 __nlink_t st_nlink; /* Link count. */ 128 #endif 129 __uid_t st_uid; /* User ID of the file's owner. */ 130 __gid_t st_gid; /* Group ID of the file's group.*/ 131 #if __WORDSIZE == 64 132 int __pad0; 133 __dev_t st_rdev; /* Device number, if device. */ 134 __off_t st_size; /* Size of file, in bytes. */ 135 #else 136 __dev_t st_rdev; /* Device number, if device. */ 137 unsigned int __pad2; 138 __off64_t st_size; /* Size of file, in bytes. */ 139 #endif 140 __blksize_t st_blksize; /* Optimal block size for I/O. */ 141 __blkcnt64_t st_blocks; /* Nr. 512-byte blocks allocated. */ 142 #ifdef __USE_MISC 143 /* Nanosecond resolution timestamps are stored in a format 144 equivalent to 'struct timespec'. This is the type used 145 whenever possible but the Unix namespace rules do not allow the 146 identifier 'timespec' to appear in the <sys/stat.h> header. 147 Therefore we have to handle the use of this header in strictly 148 standard-compliant sources special. */ 149 struct timespec st_atim; /* Time of last access. */ 150 struct timespec st_mtim; /* Time of last modification. */ 151 struct timespec st_ctim; /* Time of last status change. */ 152 # define st_atime st_atim.tv_sec /* Backward compatibility. */ 153 # define st_mtime st_mtim.tv_sec 154 # define st_ctime st_ctim.tv_sec 155 #else 156 __time_t st_atime; /* Time of last access. */ 157 unsigned long int st_atimensec; /* Nscecs of last access. */ 158 __time_t st_mtime; /* Time of last modification. */ 159 unsigned long int st_mtimensec; /* Nsecs of last modification. */ 160 __time_t st_ctime; /* Time of last status change. */ 161 unsigned long int st_ctimensec; /* Nsecs of last status change. */ 162 #endif 163 #if __WORDSIZE == 64 164 long int __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
