libc/sysdeps/linux/x86_64/bits/stat.h

   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 #ifdef __USE_MISC
  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 #ifdef __USE_MISC
 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