1 /* Copyright (C) 1992, 1995-2002, 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_LINUX_OLD 1 28 #define _STAT_VER_KERNEL 1 29 #define _STAT_VER_SVR4 2 30 #define _STAT_VER_LINUX 3 31 #define _STAT_VER _STAT_VER_LINUX /* The one defined below. */ 32 33 /* 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 38 39 struct stat 40 { 41 __dev_t st_dev; /* Device. */ 42 unsigned short int __pad1; 43 #ifndef __USE_FILE_OFFSET64 44 __ino_t st_ino; /* File serial number. */ 45 #else 46 __ino_t __st_ino; /* 32bit file serial number. */ 47 #endif 48 __mode_t st_mode; /* File mode. */ 49 __nlink_t st_nlink; /* Link count. */ 50 __uid_t st_uid; /* User ID of the file's owner. */ 51 __gid_t st_gid; /* Group ID of the file's group.*/ 52 __dev_t st_rdev; /* Device number, if device. */ 53 unsigned short int __pad2; 54 #ifndef __USE_FILE_OFFSET64 55 __off_t st_size; /* Size of file, in bytes. */ 56 #else 57 __off64_t st_size; /* Size of file, in bytes. */ 58 #endif 59 __blksize_t st_blksize; /* Optimal block size for I/O. */ 60 61 #ifndef __USE_FILE_OFFSET64 62 __blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */ 63 #else 64 __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */ 65 #endif 66 #if defined __USE_MISC || defined __USE_XOPEN2K8 67 /* Nanosecond resolution timestamps are stored in a format 68 equivalent to 'struct timespec'. This is the type used 69 whenever possible but the Unix namespace rules do not allow the 70 identifier 'timespec' to appear in the <sys/stat.h> header. 71 Therefore we have to handle the use of this header in strictly 72 standard-compliant sources special. */ 73 struct timespec st_atim; /* Time of last access. */ 74 struct timespec st_mtim; /* Time of last modification. */ 75 struct timespec st_ctim; /* Time of last status change. */ 76 # define st_atime st_atim.tv_sec /* Backward compatibility. */ 77 # define st_mtime st_mtim.tv_sec 78 # define st_ctime st_ctim.tv_sec 79 #else 80 __time_t st_atime; /* Time of last access. */ 81 unsigned long int st_atimensec; /* Nscecs of last access. */ 82 __time_t st_mtime; /* Time of last modification. */ 83 unsigned long int st_mtimensec; /* Nsecs of last modification. */ 84 __time_t st_ctime; /* Time of last status change. */ 85 unsigned long int st_ctimensec; /* Nsecs of last status change. */ 86 #endif 87 #ifndef __USE_FILE_OFFSET64 88 unsigned long int __unused4; 89 unsigned long int __unused5; 90 #else 91 __ino64_t st_ino; /* File serial number. */ 92 #endif 93 }; 94 95 #ifdef __USE_LARGEFILE64 96 struct stat64 97 { 98 __dev_t st_dev; /* Device. */ 99 unsigned int __pad1; 100 101 __ino_t __st_ino; /* 32bit file serial number. */ 102 __mode_t st_mode; /* File mode. */ 103 __nlink_t st_nlink; /* Link count. */ 104 __uid_t st_uid; /* User ID of the file's owner. */ 105 __gid_t st_gid; /* Group ID of the file's group.*/ 106 __dev_t st_rdev; /* Device number, if device. */ 107 unsigned int __pad2; 108 __off64_t st_size; /* Size of file, in bytes. */ 109 __blksize_t st_blksize; /* Optimal block size for I/O. */ 110 111 __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */ 112 # if defined __USE_MISC || defined __USE_XOPEN2K8 113 /* Nanosecond resolution timestamps are stored in a format 114 equivalent to 'struct timespec'. This is the type used 115 whenever possible but the Unix namespace rules do not allow the 116 identifier 'timespec' to appear in the <sys/stat.h> header. 117 Therefore we have to handle the use of this header in strictly 118 standard-compliant sources special. */ 119 struct timespec st_atim; /* Time of last access. */ 120 struct timespec st_mtim; /* Time of last modification. */ 121 struct timespec st_ctim; /* Time of last status change. */ 122 # else 123 __time_t st_atime; /* Time of last access. */ 124 unsigned long int st_atimensec; /* Nscecs of last access. */ 125 __time_t st_mtime; /* Time of last modification. */ 126 unsigned long int st_mtimensec; /* Nsecs of last modification. */ 127 __time_t st_ctime; /* Time of last status change. */ 128 unsigned long int st_ctimensec; /* Nsecs of last status change. */ 129 # endif 130 __ino64_t st_ino; /* File serial number. */ 131 }; 132 #endif 133 134 /* Tell code we have these members. */ 135 #define _STATBUF_ST_BLKSIZE 136 #define _STATBUF_ST_RDEV 137 /* Nanosecond resolution time values are supported. */ 138 #define _STATBUF_ST_NSEC 139 140 /* Encoding of the file mode. */ 141 142 #define __S_IFMT 0170000 /* These bits determine file type. */ 143 144 /* File types. */ 145 #define __S_IFDIR 0040000 /* Directory. */ 146 #define __S_IFCHR 0020000 /* Character device. */ 147 #define __S_IFBLK 0060000 /* Block device. */ 148 #define __S_IFREG 0100000 /* Regular file. */ 149 #define __S_IFIFO 0010000 /* FIFO. */ 150 #define __S_IFLNK 0120000 /* Symbolic link. */ 151 #define __S_IFSOCK 0140000 /* Socket. */ 152 153 /* POSIX.1b objects. Note that these macros always evaluate to zero. But 154 they do it by enforcing the correct use of the macros. */ 155 #define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode) 156 #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode) 157 #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode) 158 159 /* Protection bits. */ 160 161 #define __S_ISUID 04000 /* Set user ID on execution. */ 162 #define __S_ISGID 02000 /* Set group ID on execution. */ 163 #define __S_ISVTX 01000 /* Save swapped text after use (sticky). */ 164 #define __S_IREAD 0400 /* Read by owner. */ 165 #define __S_IWRITE 0200 /* Write by owner. */ 166 #define __S_IEXEC 0100 /* Execute by owner. */ 167 168 #ifdef __USE_ATFILE 169 # define UTIME_NOW ((1l << 30) - 1l) 170 # define UTIME_OMIT ((1l << 30) - 2l) 171 #endif 172 173 #endif /* bits/stat.h */ 174
