sysdeps/unix/sysv/linux/s390/bits/stat.h

   1 /* Copyright (C) 2000, 2001, 2002 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 #include <bits/wordsize.h>
  24
  25 #if __WORDSIZE == 64
  26 /* Versions of the `struct stat' data structure.  */
  27 # define _STAT_VER_KERNEL       0
  28 # define _STAT_VER_LINUX        1
  29 # define _STAT_VER              _STAT_VER_LINUX
  30
  31 /* Versions of the `xmknod' interface.  */
  32 #define _MKNOD_VER_LINUX        0
  33 #else
  34 /* Versions of the `struct stat' data structure.  */
  35 # define _STAT_VER_LINUX_OLD    1
  36 # define _STAT_VER_KERNEL       1
  37 # define _STAT_VER_SVR4         2
  38 # define _STAT_VER_LINUX        3
  39 # define _STAT_VER              _STAT_VER_LINUX
  40
  41 /* Versions of the `xmknod' interface.  */
  42 # define _MKNOD_VER_LINUX       1
  43 # define _MKNOD_VER_SVR4        2
  44 # define _MKNOD_VER             _MKNOD_VER_LINUX
  45 #endif
  46
  47 #if __WORDSIZE == 64
  48 struct stat
  49   {
  50     __dev_t st_dev;             /* Device.  */
  51     __ino_t st_ino;             /* File serial number.  */
  52     __nlink_t st_nlink;         /* Link count.  */
  53     __mode_t st_mode;           /* File mode.  */
  54     __uid_t st_uid;             /* User ID of the file's owner. */
  55     __gid_t st_gid;             /* Group ID of the file's group.*/
  56     int pad0;
  57     __dev_t st_rdev;            /* Device number, if device.  */
  58     __off_t st_size;            /* Size of file, in bytes.  */
  59 #ifdef __USE_MISC
  60     /* Nanosecond resolution timestamps are stored in a format
  61        equivalent to 'struct timespec'.  This is the type used
  62        whenever possible but the Unix namespace rules do not allow the
  63        identifier 'timespec' to appear in the <sys/stat.h> header.
  64        Therefore we have to handle the use of this header in strictly
  65        standard-compliant sources special.  */
  66     struct timespec st_atim;            /* Time of last access.  */
  67     struct timespec st_mtim;            /* Time of last modification.  */
  68     struct timespec st_ctim;            /* Time of last status change.  */
  69 # define st_atime st_atim.tv_sec        /* Backward compatibility.  */
  70 # define st_mtime st_mtim.tv_sec
  71 # define st_ctime st_ctim.tv_sec
  72 #else
  73     __time_t st_atime;                  /* Time of last access.  */
  74     unsigned long int st_atimensec;     /* Nscecs of last access.  */
  75     __time_t st_mtime;                  /* Time of last modification.  */
  76     unsigned long int st_mtimensec;     /* Nsecs of last modification.  */
  77     __time_t st_ctime;                  /* Time of last status change.  */
  78     unsigned long int st_ctimensec;     /* Nsecs of last status change.  */
  79 #endif
  80     __blksize_t st_blksize;     /* Optimal block size for I/O.  */
  81     __blkcnt_t st_blocks;       /* Nr. 512-byte blocks allocated.  */
  82     long int __unused[3];
  83   };
  84 #else
  85 struct stat
  86   {
  87     __dev_t st_dev;                     /* Device.  */
  88     unsigned int __pad1;
  89 # ifndef __USE_FILE_OFFSET64
  90     __ino_t st_ino;                     /* File serial number.  */
  91 # else
  92     __ino_t __st_ino;                   /* 32bit file serial number.    */
  93 # endif
  94     __mode_t st_mode;                   /* File mode.  */
  95     __nlink_t st_nlink;                 /* Link count.  */
  96     __uid_t st_uid;                     /* User ID of the file's owner. */
  97     __gid_t st_gid;                     /* Group ID of the file's group.*/
  98     __dev_t st_rdev;                    /* Device number, if device.  */
  99     unsigned int __pad2;
 100 # ifndef __USE_FILE_OFFSET64
 101     __off_t st_size;                    /* Size of file, in bytes.  */
 102 # else
 103     __off64_t st_size;                  /* Size of file, in bytes.  */
 104 # endif
 105     __blksize_t st_blksize;             /* Optimal block size for I/O.  */
 106
 107 # ifndef __USE_FILE_OFFSET64
 108     __blkcnt_t st_blocks;               /* Number 512-byte blocks allocated. */
 109 # else
 110     __blkcnt64_t st_blocks;             /* Number 512-byte blocks allocated. */
 111 # endif
 112 #ifdef __USE_MISC
 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 # define st_atime st_atim.tv_sec        /* Backward compatibility.  */
 123 # define st_mtime st_mtim.tv_sec
 124 # define st_ctime st_ctim.tv_sec
 125 #else
 126     __time_t st_atime;                  /* Time of last access.  */
 127     unsigned long int st_atimensec;     /* Nscecs of last access.  */
 128     __time_t st_mtime;                  /* Time of last modification.  */
 129     unsigned long int st_mtimensec;     /* Nsecs of last modification.  */
 130     __time_t st_ctime;                  /* Time of last status change.  */
 131     unsigned long int st_ctimensec;     /* Nsecs of last status change.  */
 132 #endif
 133 # ifndef __USE_FILE_OFFSET64
 134     unsigned long int __unused4;
 135     unsigned long int __unused5;
 136 # else
 137     __ino64_t st_ino;                   /* File serial number.  */
 138 # endif
 139   };
 140 #endif
 141
 142 #ifdef __USE_LARGEFILE64
 143 # if __WORDSIZE == 64
 144 /* Note stat64 is the same shape as stat.  */
 145 struct stat64
 146   {
 147     __dev_t st_dev;             /* Device.  */
 148     __ino64_t st_ino;           /* File serial number.  */
 149     __nlink_t st_nlink;         /* Link count.  */
 150     __mode_t st_mode;           /* File mode.  */
 151     __uid_t st_uid;             /* User ID of the file's owner. */
 152     __gid_t st_gid;             /* Group ID of the file's group.*/
 153     int pad0;
 154     __dev_t st_rdev;            /* Device number, if device.  */
 155     __off_t st_size;            /* Size of file, in bytes.  */
 156 #ifdef __USE_MISC
 157     /* Nanosecond resolution timestamps are stored in a format
 158        equivalent to 'struct timespec'.  This is the type used
 159        whenever possible but the Unix namespace rules do not allow the
 160        identifier 'timespec' to appear in the <sys/stat.h> header.
 161        Therefore we have to handle the use of this header in strictly
 162        standard-compliant sources special.  */
 163     struct timespec st_atim;            /* Time of last access.  */
 164     struct timespec st_mtim;            /* Time of last modification.  */
 165     struct timespec st_ctim;            /* Time of last status change.  */
 166 # define st_atime st_atim.tv_sec        /* Backward compatibility.  */
 167 # define st_mtime st_mtim.tv_sec
 168 # define st_ctime st_ctim.tv_sec
 169 #else
 170     __time_t st_atime;                  /* Time of last access.  */
 171     unsigned long int st_atimensec;     /* Nscecs of last access.  */
 172     __time_t st_mtime;                  /* Time of last modification.  */
 173     unsigned long int st_mtimensec;     /* Nsecs of last modification.  */
 174     __time_t st_ctime;                  /* Time of last status change.  */
 175     unsigned long int st_ctimensec;     /* Nsecs of last status change.  */
 176 #endif
 177     __blksize_t st_blksize;     /* Optimal block size for I/O.  */
 178     __blkcnt64_t st_blocks;     /* Nr. 512-byte blocks allocated.  */
 179     long int __unused[3];
 180   };
 181 # else
 182 struct stat64
 183   {
 184     __dev_t st_dev;                     /* Device.  */
 185     unsigned int __pad1;
 186
 187     __ino_t __st_ino;                   /* 32bit file serial number.    */
 188     __mode_t st_mode;                   /* File mode.  */
 189     __nlink_t st_nlink;                 /* Link count.  */
 190     __uid_t st_uid;                     /* User ID of the file's owner. */
 191     __gid_t st_gid;                     /* Group ID of the file's group.*/
 192     __dev_t st_rdev;                    /* Device number, if device.  */
 193     unsigned int __pad2;
 194     __off64_t st_size;                  /* Size of file, in bytes.  */
 195     __blksize_t st_blksize;             /* Optimal block size for I/O.  */
 196
 197     __blkcnt64_t st_blocks;             /* Number 512-byte blocks allocated. */
 198 #ifdef __USE_MISC
 199     /* Nanosecond resolution timestamps are stored in a format
 200        equivalent to 'struct timespec'.  This is the type used
 201        whenever possible but the Unix namespace rules do not allow the
 202        identifier 'timespec' to appear in the <sys/stat.h> header.
 203        Therefore we have to handle the use of this header in strictly
 204        standard-compliant sources special.  */
 205     struct timespec st_atim;            /* Time of last access.  */
 206     struct timespec st_mtim;            /* Time of last modification.  */
 207     struct timespec st_ctim;            /* Time of last status change.  */
 208 # define st_atime st_atim.tv_sec        /* Backward compatibility.  */
 209 # define st_mtime st_mtim.tv_sec
 210 # define st_ctime st_ctim.tv_sec
 211 #else
 212     __time_t st_atime;                  /* Time of last access.  */
 213     unsigned long int st_atimensec;     /* Nscecs of last access.  */
 214     __time_t st_mtime;                  /* Time of last modification.  */
 215     unsigned long int st_mtimensec;     /* Nsecs of last modification.  */
 216     __time_t st_ctime;                  /* Time of last status change.  */
 217     unsigned long int st_ctimensec;     /* Nsecs of last status change.  */
 218 #endif
 219     __ino64_t st_ino;                   /* File serial number.          */
 220   };
 221 # endif
 222 #endif
 223
 224 /* Tell code we have these members.  */
 225 #define _STATBUF_ST_BLKSIZE
 226 #define _STATBUF_ST_RDEV
 227 /* Nanosecond resolution time values are supported.  */
 228 #define _STATBUF_ST_NSEC
 229
 230 /* Encoding of the file mode.  */
 231
 232 #define __S_IFMT        0170000 /* These bits determine file type.  */
 233
 234 /* File types.  */
 235 #define __S_IFDIR       0040000 /* Directory.  */
 236 #define __S_IFCHR       0020000 /* Character device.  */
 237 #define __S_IFBLK       0060000 /* Block device.  */
 238 #define __S_IFREG       0100000 /* Regular file.  */
 239 #define __S_IFIFO       0010000 /* FIFO.  */
 240 #define __S_IFLNK       0120000 /* Symbolic link.  */
 241 #define __S_IFSOCK      0140000 /* Socket.  */
 242
 243 /* POSIX.1b objects.  Note that these macros always evaluate to zero.  But
 244    they do it by enforcing the correct use of the macros.  */
 245 #define __S_TYPEISMQ(buf)  ((buf)->st_mode - (buf)->st_mode)
 246 #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
 247 #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
 248
 249 /* Protection bits.  */
 250
 251 #define __S_ISUID       04000   /* Set user ID on execution.  */
 252 #define __S_ISGID       02000   /* Set group ID on execution.  */
 253 #define __S_ISVTX       01000   /* Save swapped text after use (sticky).  */
 254 #define __S_IREAD       0400    /* Read by owner.  */
 255 #define __S_IWRITE      0200    /* Write by owner.  */
 256 #define __S_IEXEC       0100    /* Execute by owner.  */
 257
 258 #if defined __USE_ATFILE || defined __USE_GNU
 259 /* XXX This will change to the macro for the next 2008 POSIX revision.  */
 260 # define UTIME_NOW      ((1l << 30) - 1l)
 261 # define UTIME_OMIT     ((1l << 30) - 2l)
 262 #endif