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

   1 /* Copyright (C) 2000-2015 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 #if !defined _SYS_STAT_H && !defined _FCNTL_H
  19 # error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
  20 #endif
  21
  22 #ifndef _BITS_STAT_H
  23 #define _BITS_STAT_H    1
  24
  25 #include <bits/wordsize.h>
  26
  27 #if __WORDSIZE == 64
  28 /* Versions of the `struct stat' data structure.  */
  29 # define _STAT_VER_KERNEL       0
  30 # define _STAT_VER_LINUX        1
  31 # define _STAT_VER              _STAT_VER_LINUX
  32
  33 /* Versions of the `xmknod' interface.  */
  34 #define _MKNOD_VER_LINUX        0
  35 #else
  36 /* Versions of the `struct stat' data structure.  */
  37 # define _STAT_VER_LINUX_OLD    1
  38 # define _STAT_VER_KERNEL       1
  39 # define _STAT_VER_SVR4         2
  40 # define _STAT_VER_LINUX        3
  41 # define _STAT_VER              _STAT_VER_LINUX
  42
  43 /* Versions of the `xmknod' interface.  */
  44 # define _MKNOD_VER_LINUX       1
  45 # define _MKNOD_VER_SVR4        2
  46 # define _MKNOD_VER             _MKNOD_VER_LINUX
  47 #endif
  48
  49 #if __WORDSIZE == 64
  50 struct stat
  51   {
  52     __dev_t st_dev;             /* Device.  */
  53     __ino_t st_ino;             /* File serial number.  */
  54     __nlink_t st_nlink;         /* Link count.  */
  55     __mode_t st_mode;           /* File mode.  */
  56     __uid_t st_uid;             /* User ID of the file's owner. */
  57     __gid_t st_gid;             /* Group ID of the file's group.*/
  58     int __glibc_reserved0;
  59     __dev_t st_rdev;            /* Device number, if device.  */
  60     __off_t st_size;            /* Size of file, in bytes.  */
  61 #ifdef __USE_XOPEN2K8
  62     /* Nanosecond resolution timestamps are stored in a format
  63        equivalent to 'struct timespec'.  This is the type used
  64        whenever possible but the Unix namespace rules do not allow the
  65        identifier 'timespec' to appear in the <sys/stat.h> header.
  66        Therefore we have to handle the use of this header in strictly
  67        standard-compliant sources special.  */
  68     struct timespec st_atim;            /* Time of last access.  */
  69     struct timespec st_mtim;            /* Time of last modification.  */
  70     struct timespec st_ctim;            /* Time of last status change.  */
  71 # define st_atime st_atim.tv_sec        /* Backward compatibility.  */
  72 # define st_mtime st_mtim.tv_sec
  73 # define st_ctime st_ctim.tv_sec
  74 #else
  75     __time_t st_atime;                  /* Time of last access.  */
  76     unsigned long int st_atimensec;     /* Nscecs of last access.  */
  77     __time_t st_mtime;                  /* Time of last modification.  */
  78     unsigned long int st_mtimensec;     /* Nsecs of last modification.  */
  79     __time_t st_ctime;                  /* Time of last status change.  */
  80     unsigned long int st_ctimensec;     /* Nsecs of last status change.  */
  81 #endif
  82     __blksize_t st_blksize;     /* Optimal block size for I/O.  */
  83     __blkcnt_t st_blocks;       /* Nr. 512-byte blocks allocated.  */
  84     long int __glibc_reserved[3];
  85   };
  86 #else
  87 struct stat
  88   {
  89     __dev_t st_dev;                     /* Device.  */
  90     unsigned int __pad1;
  91 # ifndef __USE_FILE_OFFSET64
  92     __ino_t st_ino;                     /* File serial number.  */
  93 # else
  94     __ino_t __st_ino;                   /* 32bit file serial number.    */
  95 # endif
  96     __mode_t st_mode;                   /* File mode.  */
  97     __nlink_t st_nlink;                 /* Link count.  */
  98     __uid_t st_uid;                     /* User ID of the file's owner. */
  99     __gid_t st_gid;                     /* Group ID of the file's group.*/
 100     __dev_t st_rdev;                    /* Device number, if device.  */
 101     unsigned int __pad2;
 102 # ifndef __USE_FILE_OFFSET64
 103     __off_t st_size;                    /* Size of file, in bytes.  */
 104 # else
 105     __off64_t st_size;                  /* Size of file, in bytes.  */
 106 # endif
 107     __blksize_t st_blksize;             /* Optimal block size for I/O.  */
 108
 109 # ifndef __USE_FILE_OFFSET64
 110     __blkcnt_t st_blocks;               /* Number 512-byte blocks allocated. */
 111 # else
 112     __blkcnt64_t st_blocks;             /* Number 512-byte blocks allocated. */
 113 # endif
 114 # ifdef __USE_XOPEN2K8
 115     /* Nanosecond resolution timestamps are stored in a format
 116        equivalent to 'struct timespec'.  This is the type used
 117        whenever possible but the Unix namespace rules do not allow the
 118        identifier 'timespec' to appear in the <sys/stat.h> header.
 119        Therefore we have to handle the use of this header in strictly
 120        standard-compliant sources special.  */
 121     struct timespec st_atim;            /* Time of last access.  */
 122     struct timespec st_mtim;            /* Time of last modification.  */
 123     struct timespec st_ctim;            /* Time of last status change.  */
 124 #  define st_atime st_atim.tv_sec       /* Backward compatibility.  */
 125 #  define st_mtime st_mtim.tv_sec
 126 #  define st_ctime st_ctim.tv_sec
 127 # else
 128     __time_t st_atime;                  /* Time of last access.  */
 129     unsigned long int st_atimensec;     /* Nscecs of last access.  */
 130     __time_t st_mtime;                  /* Time of last modification.  */
 131     unsigned long int st_mtimensec;     /* Nsecs of last modification.  */
 132     __time_t st_ctime;                  /* Time of last status change.  */
 133     unsigned long int st_ctimensec;     /* Nsecs of last status change.  */
 134 # endif
 135 # ifndef __USE_FILE_OFFSET64
 136     unsigned long int __glibc_reserved4;
 137     unsigned long int __glibc_reserved5;
 138 # else
 139     __ino64_t st_ino;                   /* File serial number.  */
 140 # endif
 141   };
 142 #endif
 143
 144 #ifdef __USE_LARGEFILE64
 145 # if __WORDSIZE == 64
 146 /* Note stat64 is the same shape as stat.  */
 147 struct stat64
 148   {
 149     __dev_t st_dev;             /* Device.  */
 150     __ino64_t st_ino;           /* File serial number.  */
 151     __nlink_t st_nlink;         /* Link count.  */
 152     __mode_t st_mode;           /* File mode.  */
 153     __uid_t st_uid;             /* User ID of the file's owner. */
 154     __gid_t st_gid;             /* Group ID of the file's group.*/
 155     int __glibc_reserved0;
 156     __dev_t st_rdev;            /* Device number, if device.  */
 157     __off_t st_size;            /* Size of file, in bytes.  */
 158 #  ifdef __USE_XOPEN2K8
 159     /* Nanosecond resolution timestamps are stored in a format
 160        equivalent to 'struct timespec'.  This is the type used
 161        whenever possible but the Unix namespace rules do not allow the
 162        identifier 'timespec' to appear in the <sys/stat.h> header.
 163        Therefore we have to handle the use of this header in strictly
 164        standard-compliant sources special.  */
 165     struct timespec st_atim;            /* Time of last access.  */
 166     struct timespec st_mtim;            /* Time of last modification.  */
 167     struct timespec st_ctim;            /* Time of last status change.  */
 168 #   define st_atime st_atim.tv_sec      /* Backward compatibility.  */
 169 #   define st_mtime st_mtim.tv_sec
 170 #   define st_ctime st_ctim.tv_sec
 171 #  else
 172     __time_t st_atime;                  /* Time of last access.  */
 173     unsigned long int st_atimensec;     /* Nscecs of last access.  */
 174     __time_t st_mtime;                  /* Time of last modification.  */
 175     unsigned long int st_mtimensec;     /* Nsecs of last modification.  */
 176     __time_t st_ctime;                  /* Time of last status change.  */
 177     unsigned long int st_ctimensec;     /* Nsecs of last status change.  */
 178 #  endif
 179     __blksize_t st_blksize;     /* Optimal block size for I/O.  */
 180     __blkcnt64_t st_blocks;     /* Nr. 512-byte blocks allocated.  */
 181     long int __glibc_reserved[3];
 182   };
 183 # else
 184 struct stat64
 185   {
 186     __dev_t st_dev;                     /* Device.  */
 187     unsigned int __pad1;
 188
 189     __ino_t __st_ino;                   /* 32bit file serial number.    */
 190     __mode_t st_mode;                   /* File mode.  */
 191     __nlink_t st_nlink;                 /* Link count.  */
 192     __uid_t st_uid;                     /* User ID of the file's owner. */
 193     __gid_t st_gid;                     /* Group ID of the file's group.*/
 194     __dev_t st_rdev;                    /* Device number, if device.  */
 195     unsigned int __pad2;
 196     __off64_t st_size;                  /* Size of file, in bytes.  */
 197     __blksize_t st_blksize;             /* Optimal block size for I/O.  */
 198
 199     __blkcnt64_t st_blocks;             /* Number 512-byte blocks allocated. */
 200 #  ifdef __USE_XOPEN2K8
 201     /* Nanosecond resolution timestamps are stored in a format
 202        equivalent to 'struct timespec'.  This is the type used
 203        whenever possible but the Unix namespace rules do not allow the
 204        identifier 'timespec' to appear in the <sys/stat.h> header.
 205        Therefore we have to handle the use of this header in strictly
 206        standard-compliant sources special.  */
 207     struct timespec st_atim;            /* Time of last access.  */
 208     struct timespec st_mtim;            /* Time of last modification.  */
 209     struct timespec st_ctim;            /* Time of last status change.  */
 210 #   define st_atime st_atim.tv_sec      /* Backward compatibility.  */
 211 #   define st_mtime st_mtim.tv_sec
 212 #   define st_ctime st_ctim.tv_sec
 213 #  else
 214     __time_t st_atime;                  /* Time of last access.  */
 215     unsigned long int st_atimensec;     /* Nscecs of last access.  */
 216     __time_t st_mtime;                  /* Time of last modification.  */
 217     unsigned long int st_mtimensec;     /* Nsecs of last modification.  */
 218     __time_t st_ctime;                  /* Time of last status change.  */
 219     unsigned long int st_ctimensec;     /* Nsecs of last status change.  */
 220 #  endif
 221     __ino64_t st_ino;                   /* File serial number.          */
 222   };
 223 # endif
 224 #endif
 225
 226 /* Tell code we have these members.  */
 227 #define _STATBUF_ST_BLKSIZE
 228 #define _STATBUF_ST_RDEV
 229 /* Nanosecond resolution time values are supported.  */
 230 #define _STATBUF_ST_NSEC
 231
 232 /* Encoding of the file mode.  */
 233
 234 #define __S_IFMT        0170000 /* These bits determine file type.  */
 235
 236 /* File types.  */
 237 #define __S_IFDIR       0040000 /* Directory.  */
 238 #define __S_IFCHR       0020000 /* Character device.  */
 239 #define __S_IFBLK       0060000 /* Block device.  */
 240 #define __S_IFREG       0100000 /* Regular file.  */
 241 #define __S_IFIFO       0010000 /* FIFO.  */
 242 #define __S_IFLNK       0120000 /* Symbolic link.  */
 243 #define __S_IFSOCK      0140000 /* Socket.  */
 244
 245 /* POSIX.1b objects.  Note that these macros always evaluate to zero.  But
 246    they do it by enforcing the correct use of the macros.  */
 247 #define __S_TYPEISMQ(buf)  ((buf)->st_mode - (buf)->st_mode)
 248 #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
 249 #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
 250
 251 /* Protection bits.  */
 252
 253 #define __S_ISUID       04000   /* Set user ID on execution.  */
 254 #define __S_ISGID       02000   /* Set group ID on execution.  */
 255 #define __S_ISVTX       01000   /* Save swapped text after use (sticky).  */
 256 #define __S_IREAD       0400    /* Read by owner.  */
 257 #define __S_IWRITE      0200    /* Write by owner.  */
 258 #define __S_IEXEC       0100    /* Execute by owner.  */
 259
 260 #ifdef __USE_ATFILE
 261 # define UTIME_NOW      ((1l << 30) - 1l)
 262 # define UTIME_OMIT     ((1l << 30) - 2l)
 263 #endif
 264
 265 #endif  /* bits/stat.h */