akaros/tools/compilers/gcc-glibc/glibc-2.19-akaros/sysdeps/akaros/bits/stat.h
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   1/* Copyright (C) 1992, 1995-2001, 2002, 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, write to the Free
  16   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17   02111-1307 USA.  */
  18
  19#if !defined _SYS_STAT_H && !defined _FCNTL_H
  20# error "Never include <bits/stat.h> directly; use <sys/stat.h> instead."
  21#endif
  22
  23#ifndef _BITS_STAT_H
  24#define _BITS_STAT_H    1
  25
  26struct stat
  27  {
  28    __dev_t st_dev;                     /* Device.  */
  29    __ino64_t st_ino;                   /* File serial number.  */
  30    __mode_t st_mode;                   /* File mode.  */
  31    __nlink_t st_nlink;                 /* Link count.  */
  32    __uid_t st_uid;                     /* User ID of the file's owner. */
  33    __gid_t st_gid;                     /* Group ID of the file's group.*/
  34    __dev_t st_rdev;                    /* Device number, if device.  */
  35    __off64_t st_size;                  /* Size of file, in bytes.  */
  36    __blksize_t st_blksize;             /* Optimal block size for I/O.  */
  37    __blkcnt64_t st_blocks;             /* Number 512-byte blocks allocated. */
  38#ifdef __USE_MISC
  39    /* Nanosecond resolution timestamps are stored in a format
  40       equivalent to 'struct timespec'.  This is the type used
  41       whenever possible but the Unix namespace rules do not allow the
  42       identifier 'timespec' to appear in the <sys/stat.h> header.
  43       Therefore we have to handle the use of this header in strictly
  44       standard-compliant sources special.  */
  45    struct timespec st_atim;            /* Time of last access.  */
  46    struct timespec st_mtim;            /* Time of last modification.  */
  47    struct timespec st_ctim;            /* Time of last status change.  */
  48# define st_atime st_atim.tv_sec        /* Backward compatibility.  */
  49# define st_mtime st_mtim.tv_sec
  50# define st_ctime st_ctim.tv_sec
  51#else
  52    __time_t st_atime;                  /* Time of last access.  */
  53    unsigned long int st_atimensec;     /* Nscecs of last access.  */
  54    __time_t st_mtime;                  /* Time of last modification.  */
  55    unsigned long int st_mtimensec;     /* Nsecs of last modification.  */
  56    __time_t st_ctime;                  /* Time of last status change.  */
  57    unsigned long int st_ctimensec;     /* Nsecs of last status change.  */
  58#endif
  59  };
  60
  61#ifdef __USE_LARGEFILE64
  62struct stat64
  63  {
  64    __dev_t st_dev;                     /* Device.  */
  65    __ino64_t st_ino;                   /* File serial number.          */
  66    __mode_t st_mode;                   /* File mode.  */
  67    __nlink_t st_nlink;                 /* Link count.  */
  68    __uid_t st_uid;                     /* User ID of the file's owner. */
  69    __gid_t st_gid;                     /* Group ID of the file's group.*/
  70    __dev_t st_rdev;                    /* Device number, if device.  */
  71    __off64_t st_size;                  /* Size of file, in bytes.  */
  72    __blksize_t st_blksize;             /* Optimal block size for I/O.  */
  73    __blkcnt64_t st_blocks;             /* Number 512-byte blocks allocated. */
  74#ifdef __USE_MISC
  75    /* Nanosecond resolution timestamps are stored in a format
  76       equivalent to 'struct timespec'.  This is the type used
  77       whenever possible but the Unix namespace rules do not allow the
  78       identifier 'timespec' to appear in the <sys/stat.h> header.
  79       Therefore we have to handle the use of this header in strictly
  80       standard-compliant sources special.  */
  81    struct timespec st_atim;            /* Time of last access.  */
  82    struct timespec st_mtim;            /* Time of last modification.  */
  83    struct timespec st_ctim;            /* Time of last status change.  */
  84#else
  85    __time_t st_atime;                  /* Time of last access.  */
  86    unsigned long int st_atimensec;     /* Nscecs of last access.  */
  87    __time_t st_mtime;                  /* Time of last modification.  */
  88    unsigned long int st_mtimensec;     /* Nsecs of last modification.  */
  89    __time_t st_ctime;                  /* Time of last status change.  */
  90    unsigned long int st_ctimensec;     /* Nsecs of last status change.  */
  91#endif
  92  };
  93#endif
  94
  95/* Tell code we have these members.  */
  96#define _STATBUF_ST_BLKSIZE
  97#define _STATBUF_ST_RDEV
  98/* Nanosecond resolution time values are supported.  */
  99#define _STATBUF_ST_NSEC
 100
 101/* Encoding of the file mode.  */
 102
 103#define __S_IFMT        0170000 /* These bits determine file type.  */
 104
 105/* File types.  */
 106#define __S_IFDIR       0040000 /* Directory.  */
 107#define __S_IFCHR       0020000 /* Character device.  */
 108#define __S_IFBLK       0060000 /* Block device.  */
 109#define __S_IFREG       0100000 /* Regular file.  */
 110#define __S_IFIFO       0010000 /* FIFO.  */
 111#define __S_IFLNK       0120000 /* Symbolic link.  */
 112#define __S_IFSOCK      0140000 /* Socket.  */
 113
 114/* POSIX.1b objects.  Note that these macros always evaluate to zero.  But
 115   they do it by enforcing the correct use of the macros.  */
 116#define __S_TYPEISMQ(buf)  ((buf)->st_mode - (buf)->st_mode)
 117#define __S_TYPEISSEM(buf) ((buf)->st_mode - (buf)->st_mode)
 118#define __S_TYPEISSHM(buf) ((buf)->st_mode - (buf)->st_mode)
 119
 120/* Protection bits.  */
 121
 122#define __S_ISUID       04000   /* Set user ID on execution.  */
 123#define __S_ISGID       02000   /* Set group ID on execution.  */
 124#define __S_ISVTX       01000   /* Save swapped text after use (sticky).  */
 125#define __S_IREAD       0400    /* Read by owner.  */
 126#define __S_IWRITE      0200    /* Write by owner.  */
 127#define __S_IEXEC       0100    /* Execute by owner.  */
 128
 129#ifdef __USE_ATFILE
 130# define UTIME_NOW      ((1l << 30) - 1l)
 131# define UTIME_OMIT     ((1l << 30) - 2l)
 132#endif
 133
 134#endif
 135