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, see 16 <http://www.gnu.org/licenses/>. */ 17 18 #ifndef _SYS_STAT_H 19 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead." 20 #endif 21 22 /* Versions of the `struct stat' data structure. */ 23 #define _STAT_VER_KERNEL 0 24 25 #if __WORDSIZE == 32 26 # define _STAT_VER_SVR4 2 27 # define _STAT_VER_LINUX 3 28 29 /* i386 versions of the `xmknod' interface. */ 30 # define _MKNOD_VER_LINUX 1 31 # define _MKNOD_VER_SVR4 2 32 # define _MKNOD_VER _MKNOD_VER_LINUX /* The bits defined below. */ 33 #else 34 # define _STAT_VER_LINUX 1 35 36 /* x86-64 versions of the `xmknod' interface. */ 37 # define _MKNOD_VER_LINUX 0 38 #endif 39 40 #define _STAT_VER _STAT_VER_LINUX 41 42 struct stat 43 { 44 __dev_t st_dev; /* Device. */ 45 #if __WORDSIZE == 32 46 unsigned short int __pad1; 47 #endif 48 #if __WORDSIZE == 64 || !defined __USE_FILE_OFFSET64 49 __ino_t st_ino; /* File serial number. */ 50 #else 51 __ino_t __st_ino; /* 32bit file serial number. */ 52 #endif 53 #if __WORDSIZE == 32 54 __mode_t st_mode; /* File mode. */ 55 __nlink_t st_nlink; /* Link count. */ 56 #else 57 __nlink_t st_nlink; /* Link count. */ 58 __mode_t st_mode; /* File mode. */ 59 #endif 60 __uid_t st_uid; /* User ID of the file's owner. */ 61 __gid_t st_gid; /* Group ID of the file's group.*/ 62 #if __WORDSIZE == 64 63 int __pad0; 64 #endif 65 __dev_t st_rdev; /* Device number, if device. */ 66 #if __WORDSIZE == 32 67 unsigned short int __pad2; 68 #endif 69 #if __WORDSIZE == 64 || !defined __USE_FILE_OFFSET64 70 __off_t st_size; /* Size of file, in bytes. */ 71 #else 72 __off64_t st_size; /* Size of file, in bytes. */ 73 #endif 74 __blksize_t st_blksize; /* Optimal block size for I/O. */ 75 #if __WORDSIZE == 64 || !defined __USE_FILE_OFFSET64 76 __blkcnt_t st_blocks; /* Number 512-byte blocks allocated. */ 77 #else 78 __blkcnt64_t st_blocks; /* Number 512-byte blocks allocated. */ 79 #endif 80 #if defined(__USE_MISC) || defined(__USE_XOPEN2K8) 81 /* Nanosecond resolution timestamps are stored in a format 82 equivalent to 'struct timespec'. This is the type used 83 whenever possible but the Unix namespace rules do not allow the 84 identifier 'timespec' to appear in the <sys/stat.h> header. 85 Therefore we have to handle the use of this header in strictly 86 standard-compliant sources special. */ 87 struct timespec st_atim; /* Time of last access. */ 88 struct timespec st_mtim; /* Time of last modification. */ 89 struct timespec st_ctim; /* Time of last status change. */ 90 # define st_atime st_atim.tv_sec /* Backward compatibility. */ 91 # define st_mtime st_mtim.tv_sec 92 # define st_ctime st_ctim.tv_sec 93 #else 94 __time_t st_atime; /* Time of last access. */ 95 unsigned long int st_atimensec; /* Nscecs of last access. */ 96 __time_t st_mtime; /* Time of last modification. */ 97 unsigned long int st_mtimensec; /* Nsecs of last modification. */ 98 __time_t st_ctime; /* Time of last status change. */ 99 unsigned long int st_ctimensec; /* Nsecs of last status change. */ 100 #endif 101 #if __WORDSIZE == 64 102 long int __uclibc_unused[3]; 103 #else 104 # ifndef __USE_FILE_OFFSET64 105 unsigned long int __uclibc_unused4; 106 unsigned long int __uclibc_unused5; 107 # else 108 __ino64_t st_ino; /* File serial number. */ 109 # endif 110 #endif 111 }; 112 113 #ifdef __USE_LARGEFILE64 114 /* Note stat64 has the same shape as stat for x86-64. */ 115 struct stat64 116 { 117 __dev_t st_dev; /* Device. */ 118 #if __WORDSIZE == 64 119 __ino64_t st_ino; /* File serial number. */ 120 __nlink_t st_nlink; /* Link count. */ 121 __mode_t st_mode; /* File mode. */ 122 #else 123 unsigned int __pad1; 124 __ino_t __st_ino; /* 32bit file serial number. */ 125 __mode_t st_mode; /* File mode. */ 126 __nlink_t st_nlink; /* Link count. */ 127 #endif 128 __uid_t st_uid; /* User ID of the file's owner. */ 129 __gid_t st_gid; /* Group ID of the file's group.*/ 130 #if __WORDSIZE == 64 131 int __pad0; 132 __dev_t st_rdev; /* Device number, if device. */ 133 __off_t st_size; /* Size of file, in bytes. */ 134 #else 135 __dev_t st_rdev; /* Device number, if device. */ 136 unsigned int __pad2; 137 __off64_t st_size; /* Size of file, in bytes. */ 138 #endif 139 __blksize_t st_blksize; /* Optimal block size for I/O. */ 140 __blkcnt64_t st_blocks; /* Nr. 512-byte blocks allocated. */ 141 #if defined(__USE_MISC) || defined(__USE_XOPEN2K8) 142 /* Nanosecond resolution timestamps are stored in a format 143 equivalent to 'struct timespec'. This is the type used 144 whenever possible but the Unix namespace rules do not allow the 145 identifier 'timespec' to appear in the <sys/stat.h> header. 146 Therefore we have to handle the use of this header in strictly 147 standard-compliant sources special. */ 148 struct timespec st_atim; /* Time of last access. */ 149 struct timespec st_mtim; /* Time of last modification. */ 150 struct timespec st_ctim; /* Time of last status change. */ 151 # define st_atime st_atim.tv_sec /* Backward compatibility. */ 152 # define st_mtime st_mtim.tv_sec 153 # define st_ctime st_ctim.tv_sec 154 #else 155 __time_t st_atime; /* Time of last access. */ 156 unsigned long int st_atimensec; /* Nscecs of last access. */ 157 __time_t st_mtime; /* Time of last modification. */ 158 unsigned long int st_mtimensec; /* Nsecs of last modification. */ 159 __time_t st_ctime; /* Time of last status change. */ 160 unsigned long int st_ctimensec; /* Nsecs of last status change. */ 161 #endif 162 #if __WORDSIZE == 64 163 long int __uclibc_unused[3]; 164 #else 165 __ino64_t st_ino; /* File serial number. */ 166 #endif 167 }; 168 #endif 169 170 /* Tell code we have these members. */ 171 #define _STATBUF_ST_BLKSIZE 172 #define _STATBUF_ST_RDEV 173 /* Nanosecond resolution time values are supported. */ 174 #define _STATBUF_ST_NSEC 175 176 /* Encoding of the file mode. */ 177 178 #define __S_IFMT 0170000 /* These bits determine file type. */ 179 180 /* File types. */ 181 #define __S_IFDIR 0040000 /* Directory. */ 182 #define __S_IFCHR 0020000 /* Character device. */ 183 #define __S_IFBLK 0060000 /* Block device. */ 184 #define __S_IFREG 0100000 /* Regular file. */ 185 #define __S_IFIFO 0010000 /* FIFO. */ 186 #define __S_IFLNK 0120000 /* Symbolic link. */ 187 #define __S_IFSOCK 0140000 /* Socket. */ 188 189 /* POSIX.1b objects. Note that these macros always evaluate to zero. But 190 they do it by enforcing the correct use of the macros. */ 191 #define __S_TYPEISMQ(buf) ((buf)->st_mode - (buf)->st_mode) 192 #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode) 193 #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode) 194 195 /* Protection bits. */ 196 197 #define __S_ISUID 04000 /* Set user ID on execution. */ 198 #define __S_ISGID 02000 /* Set group ID on execution. */ 199 #define __S_ISVTX 01000 /* Save swapped text after use (sticky). */ 200 #define __S_IREAD 0400 /* Read by owner. */ 201 #define __S_IWRITE 0200 /* Write by owner. */ 202 #define __S_IEXEC 0100 /* Execute by owner. */ 203 204 #ifdef __USE_ATFILE 205 # define UTIME_NOW ((1l << 30) - 1l) 206 # define UTIME_OMIT ((1l << 30) - 2l) 207 #endif 208