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

   1 /* Copyright (C) 1996,1997,1998,1999,2000,2001 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_GLIBC2        1
  26 #define _STAT_VER_GLIBC2_1      2
  27 #define _STAT_VER               _STAT_VER_GLIBC2_1
  28
  29 /* Versions of the `xmknod' interface.  */
  30 #define _MKNOD_VER_LINUX        0
  31
  32 struct stat
  33   {
  34     __dev_t st_dev;             /* Device.  */
  35 #ifdef __USE_FILE_OFFSET64
  36     __ino64_t st_ino;           /* File serial number.  */
  37 #else
  38     __ino_t st_ino;             /* File serial number.  */
  39     int __pad1;
  40 #endif
  41     __mode_t st_mode;           /* File mode.  */
  42     __nlink_t st_nlink;         /* Link count.  */
  43     __uid_t st_uid;             /* User ID of the file's owner. */
  44     __gid_t st_gid;             /* Group ID of the file's group.*/
  45     __dev_t st_rdev;            /* Device number, if device.  */
  46     __off_t st_size;            /* Size of file, in bytes.  */
  47     __time_t st_atime;          /* Time of last access.  */
  48     __time_t st_mtime;          /* Time of last modification.  */
  49     __time_t st_ctime;          /* Time of last status change.  */
  50 #ifdef __USE_FILE_OFFSET64
  51     __blkcnt64_t st_blocks;     /* Nr. 512-byte blocks allocated.  */
  52 #else
  53     __blkcnt_t st_blocks;       /* Nr. 512-byte blocks allocated.  */
  54     int __pad2;
  55 #endif
  56     __blksize_t st_blksize;     /* Optimal block size for I/O.  */
  57     unsigned int st_flags;
  58     unsigned int st_gen;
  59     int __pad3;
  60     long __unused[4];
  61   };
  62
  63 #ifdef __USE_LARGEFILE64
  64 /* Note stat64 is the same shape as stat.  */
  65 struct stat64
  66   {
  67     __dev_t st_dev;             /* Device.  */
  68     __ino64_t st_ino;           /* File serial number.  */
  69     __mode_t st_mode;           /* File mode.  */
  70     __nlink_t st_nlink;         /* Link count.  */
  71     __uid_t st_uid;             /* User ID of the file's owner. */
  72     __gid_t st_gid;             /* Group ID of the file's group.*/
  73     __dev_t st_rdev;            /* Device number, if device.  */
  74     __off_t st_size;            /* Size of file, in bytes.  */
  75     __time_t st_atime;          /* Time of last access.  */
  76     __time_t st_mtime;          /* Time of last modification.  */
  77     __time_t st_ctime;          /* Time of last status change.  */
  78     __blkcnt64_t st_blocks;     /* Nr. 512-byte blocks allocated.  */
  79     __blksize_t st_blksize;     /* Optimal block size for I/O.  */
  80     unsigned int st_flags;
  81     unsigned int st_gen;
  82     int __pad3;
  83     long __unused[4];
  84   };
  85 #endif
  86
  87 /* Tell code we have these members.  */
  88 #define _STATBUF_ST_BLKSIZE
  89 #define _STATBUF_ST_RDEV
  90
  91 /* Encoding of the file mode.  */
  92
  93 #define __S_IFMT        0170000 /* These bits determine file type.  */
  94
  95 /* File types.  */
  96 #define __S_IFDIR       0040000 /* Directory.  */
  97 #define __S_IFCHR       0020000 /* Character device.  */
  98 #define __S_IFBLK       0060000 /* Block device.  */
  99 #define __S_IFREG       0100000 /* Regular file.  */
 100 #define __S_IFIFO       0010000 /* FIFO.  */
 101 #define __S_IFLNK       0120000 /* Symbolic link.  */
 102 #define __S_IFSOCK      0140000 /* Socket.  */
 103
 104 /* POSIX.1b objects.  Note that these macros always evaluate to zero.  But
 105    they do it by enforcing the correct use of the macros.  */
 106 #define __S_TYPEISMQ(buf)  ((buf)->st_mode - (buf)->st_mode)
 107 #define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
 108 #define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
 109
 110 /* Protection bits.  */
 111
 112 #define __S_ISUID       04000   /* Set user ID on execution.  */
 113 #define __S_ISGID       02000   /* Set group ID on execution.  */
 114 #define __S_ISVTX       01000   /* Save swapped text after use (sticky).  */
 115 #define __S_IREAD       0400    /* Read by owner.  */
 116 #define __S_IWRITE      0200    /* Write by owner.  */
 117 #define __S_IEXEC       0100    /* Execute by owner.  */