sysdeps/unix/sysv/linux/ia64/bits/stat.h

   1 /* Copyright (C) 1999, 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 /* Versions of the `struct stat' data structure.  */
  24 #define _STAT_VER_KERNEL        0
  25 #define _STAT_VER_LINUX         1
  26 #define _STAT_VER               _STAT_VER_LINUX
  27
  28 /* Versions of the `xmknod' interface.  */
  29 #define _MKNOD_VER_LINUX        0
  30
  31 struct stat
  32   {
  33     __dev_t st_dev;             /* Device.  */
  34     __ino_t st_ino;             /* File serial number.  */
  35     __nlink_t st_nlink;         /* Link count.  */
  36     __mode_t st_mode;           /* File mode.  */
  37     __uid_t st_uid;             /* User ID of the file's owner. */
  38     __gid_t st_gid;             /* Group ID of the file's group.*/
  39     int pad0;
  40     __dev_t st_rdev;            /* Device number, if device.  */
  41     __off_t st_size;            /* Size of file, in bytes.  */
  42 #ifdef __USE_MISC
  43     /* Nanosecond resolution timestamps are stored in a format
  44        equivalent to 'struct timespec'.  This is the type used
  45        whenever possible but the Unix namespace rules do not allow the
  46        identifier 'timespec' to appear in the <sys/stat.h> header.
  47        Therefore we have to handle the use of this header in strictly
  48        standard-compliant sources special.  */
  49     struct timespec st_atim;            /* Time of last access.  */
  50     struct timespec st_mtim;            /* Time of last modification.  */
  51     struct timespec st_ctim;            /* Time of last status change.  */
  52 # define st_atime st_atim.tv_sec        /* Backward compatibility.  */
  53 # define st_mtime st_mtim.tv_sec
  54 # define st_ctime st_ctim.tv_sec
  55 #else
  56     __time_t st_atime;                  /* Time of last access.  */
  57     unsigned long int st_atimensec;     /* Nscecs of last access.  */
  58     __time_t st_mtime;                  /* Time of last modification.  */
  59     unsigned long int st_mtimensec;     /* Nsecs of last modification.  */
  60     __time_t st_ctime;                  /* Time of last status change.  */
  61     unsigned long int st_ctimensec;     /* Nsecs of last status change.  */
  62 #endif
  63     __blksize_t st_blksize;     /* Optimal block size for I/O.  */
  64     __blkcnt_t st_blocks;       /* Nr. 512-byte blocks allocated.  */
  65     long int __unused[3];
  66   };
  67
  68 #ifdef __USE_LARGEFILE64
  69 /* Note stat64 is the same shape as stat.  */
  70 struct stat64
  71   {
  72     __dev_t st_dev;             /* Device.  */
  73     __ino64_t st_ino;           /* File serial number.  */
  74     __nlink_t st_nlink;         /* Link count.  */
  75     __mode_t st_mode;           /* File mode.  */
  76     __uid_t st_uid;             /* User ID of the file's owner. */
  77     __gid_t st_gid;             /* Group ID of the file's group.*/
  78     int pad0;
  79     __dev_t st_rdev;            /* Device number, if device.  */
  80     __off_t st_size;            /* Size of file, in bytes.  */
  81 #ifdef __USE_MISC
  82     /* Nanosecond resolution timestamps are stored in a format
  83        equivalent to 'struct timespec'.  This is the type used
  84        whenever possible but the Unix namespace rules do not allow the
  85        identifier 'timespec' to appear in the <sys/stat.h> header.
  86        Therefore we have to handle the use of this header in strictly
  87        standard-compliant sources special.  */
  88     struct timespec st_atim;            /* Time of last access.  */
  89     struct timespec st_mtim;            /* Time of last modification.  */
  90     struct timespec st_ctim;            /* Time of last status change.  */
  91 # define st_atime st_atim.tv_sec        /* Backward compatibility.  */
  92 # define st_mtime st_mtim.tv_sec
  93 # define st_ctime st_ctim.tv_sec
  94 #else
  95     __time_t st_atime;                  /* Time of last access.  */
  96     unsigned long int st_atimensec;     /* Nscecs of last access.  */
  97     __time_t st_mtime;                  /* Time of last modification.  */
  98     unsigned long int st_mtimensec;     /* Nsecs of last modification.  */
  99     __time_t st_ctime;                  /* Time of last status change.  */
 100     unsigned long int st_ctimensec;     /* Nsecs of last status change.  */
 101 #endif
 102     __blksize_t st_blksize;     /* Optimal block size for I/O.  */
 103     __blkcnt64_t st_blocks;     /* Nr. 512-byte blocks allocated.  */
 104     long int __unused[3];
 105   };
 106 #endif
 107
 108 /* Tell code we have these members.  */
 109 #define _STATBUF_ST_BLKSIZE
 110 #define _STATBUF_ST_RDEV
 111 /* Nanosecond resolution time values are supported.  */
 112 #define _STATBUF_ST_NSEC
 113
 114 /* Encoding of the file mode.  */
 115
 116 #define __S_IFMT        0170000 /* These bits determine file type.  */
 117
 118 /* File types.  */
 119 #define __S_IFDIR       0040000 /* Directory.  */
 120 #define __S_IFCHR       0020000 /* Character device.  */
 121 #define __S_IFBLK       0060000 /* Block device.  */
 122 #define __S_IFREG       0100000 /* Regular file.  */
 123 #define __S_IFIFO       0010000 /* FIFO.  */
 124 #define __S_IFLNK       0120000 /* Symbolic link.  */
 125 #define __S_IFSOCK      0140000 /* Socket.  */
 126
 127 /* POSIX.1b objects.  Note that these macros always evaluate to zero.  But
 128    they do it by enforcing the correct use of the macros.  */
 129 #define __S_TYPEISMQ(buf)  ((buf)->st_mode - (buf)->st_mode)
 130 #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
 131 #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
 132
 133 /* Protection bits.  */
 134
 135 #define __S_ISUID       04000   /* Set user ID on execution.  */
 136 #define __S_ISGID       02000   /* Set group ID on execution.  */
 137 #define __S_ISVTX       01000   /* Save swapped text after use (sticky).  */
 138 #define __S_IREAD       0400    /* Read by owner.  */
 139 #define __S_IWRITE      0200    /* Write by owner.  */
 140 #define __S_IEXEC       0100    /* Execute by owner.  */
 141
 142 #if defined __USE_ATFILE || defined __USE_GNU
 143 /* XXX This will change to the macro for the next 2008 POSIX revision.  */
 144 # define UTIME_NOW      ((1l << 30) - 1l)
 145 # define UTIME_OMIT     ((1l << 30) - 2l)
 146 #endif