sysdeps/unix/sysv/linux/x86/bits/struct_stat.h

   1 /* Definition for struct stat.
   2    Copyright (C) 2020-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library.  If not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #if !defined _SYS_STAT_H && !defined _FCNTL_H
  20 # error "Never include <bits/struct_stat.h> directly; use <sys/stat.h> instead."
  21 #endif
  22
  23 #ifndef _BITS_STRUCT_STAT_H
  24 #define _BITS_STRUCT_STAT_H     1
  25
  26 struct stat
  27   {
  28     __dev_t st_dev;             /* Device.  */
  29 #ifndef __x86_64__
  30     unsigned short int __pad1;
  31 #endif
  32 #if defined __x86_64__ || !defined __USE_FILE_OFFSET64
  33     __ino_t st_ino;             /* File serial number.  */
  34 #else
  35     __ino_t __st_ino;                   /* 32bit file serial number.    */
  36 #endif
  37 #ifndef __x86_64__
  38     __mode_t st_mode;                   /* File mode.  */
  39     __nlink_t st_nlink;                 /* Link count.  */
  40 #else
  41     __nlink_t st_nlink;         /* Link count.  */
  42     __mode_t st_mode;           /* File mode.  */
  43 #endif
  44     __uid_t st_uid;             /* User ID of the file's owner. */
  45     __gid_t st_gid;             /* Group ID of the file's group.*/
  46 #ifdef __x86_64__
  47     int __pad0;
  48 #endif
  49     __dev_t st_rdev;            /* Device number, if device.  */
  50 #ifndef __x86_64__
  51     unsigned short int __pad2;
  52 #endif
  53 #if defined __x86_64__ || !defined __USE_FILE_OFFSET64
  54     __off_t st_size;                    /* Size of file, in bytes.  */
  55 #else
  56     __off64_t st_size;                  /* Size of file, in bytes.  */
  57 #endif
  58     __blksize_t st_blksize;     /* Optimal block size for I/O.  */
  59 #if defined __x86_64__  || !defined __USE_FILE_OFFSET64
  60     __blkcnt_t st_blocks;               /* Number 512-byte blocks allocated. */
  61 #else
  62     __blkcnt64_t st_blocks;             /* Number 512-byte blocks allocated. */
  63 #endif
  64 #ifdef __USE_XOPEN2K8
  65     /* Nanosecond resolution timestamps are stored in a format
  66        equivalent to 'struct timespec'.  This is the type used
  67        whenever possible but the Unix namespace rules do not allow the
  68        identifier 'timespec' to appear in the <sys/stat.h> header.
  69        Therefore we have to handle the use of this header in strictly
  70        standard-compliant sources special.  */
  71     struct timespec st_atim;            /* Time of last access.  */
  72     struct timespec st_mtim;            /* Time of last modification.  */
  73     struct timespec st_ctim;            /* Time of last status change.  */
  74 # define st_atime st_atim.tv_sec        /* Backward compatibility.  */
  75 # define st_mtime st_mtim.tv_sec
  76 # define st_ctime st_ctim.tv_sec
  77 #else
  78     __time_t st_atime;                  /* Time of last access.  */
  79     __syscall_ulong_t st_atimensec;     /* Nscecs of last access.  */
  80     __time_t st_mtime;                  /* Time of last modification.  */
  81     __syscall_ulong_t st_mtimensec;     /* Nsecs of last modification.  */
  82     __time_t st_ctime;                  /* Time of last status change.  */
  83     __syscall_ulong_t st_ctimensec;     /* Nsecs of last status change.  */
  84 #endif
  85 #ifdef __x86_64__
  86     __syscall_slong_t __glibc_reserved[3];
  87 #else
  88 # ifndef __USE_FILE_OFFSET64
  89     unsigned long int __glibc_reserved4;
  90     unsigned long int __glibc_reserved5;
  91 # else
  92     __ino64_t st_ino;                   /* File serial number.  */
  93 # endif
  94 #endif
  95   };
  96
  97 #ifdef __USE_LARGEFILE64
  98 /* Note stat64 has the same shape as stat for x86-64.  */
  99 struct stat64
 100   {
 101     __dev_t st_dev;             /* Device.  */
 102 # ifdef __x86_64__
 103     __ino64_t st_ino;           /* File serial number.  */
 104     __nlink_t st_nlink;         /* Link count.  */
 105     __mode_t st_mode;           /* File mode.  */
 106 # else
 107     unsigned int __pad1;
 108     __ino_t __st_ino;                   /* 32bit file serial number.    */
 109     __mode_t st_mode;                   /* File mode.  */
 110     __nlink_t st_nlink;                 /* Link count.  */
 111 # endif
 112     __uid_t st_uid;             /* User ID of the file's owner. */
 113     __gid_t st_gid;             /* Group ID of the file's group.*/
 114 # ifdef __x86_64__
 115     int __pad0;
 116     __dev_t st_rdev;            /* Device number, if device.  */
 117     __off_t st_size;            /* Size of file, in bytes.  */
 118 # else
 119     __dev_t st_rdev;                    /* Device number, if device.  */
 120     unsigned int __pad2;
 121     __off64_t st_size;                  /* Size of file, in bytes.  */
 122 # endif
 123     __blksize_t st_blksize;     /* Optimal block size for I/O.  */
 124     __blkcnt64_t st_blocks;     /* Nr. 512-byte blocks allocated.  */
 125 # ifdef __USE_XOPEN2K8
 126     /* Nanosecond resolution timestamps are stored in a format
 127        equivalent to 'struct timespec'.  This is the type used
 128        whenever possible but the Unix namespace rules do not allow the
 129        identifier 'timespec' to appear in the <sys/stat.h> header.
 130        Therefore we have to handle the use of this header in strictly
 131        standard-compliant sources special.  */
 132     struct timespec st_atim;            /* Time of last access.  */
 133     struct timespec st_mtim;            /* Time of last modification.  */
 134     struct timespec st_ctim;            /* Time of last status change.  */
 135 # else
 136     __time_t st_atime;                  /* Time of last access.  */
 137     __syscall_ulong_t st_atimensec;     /* Nscecs of last access.  */
 138     __time_t st_mtime;                  /* Time of last modification.  */
 139     __syscall_ulong_t st_mtimensec;     /* Nsecs of last modification.  */
 140     __time_t st_ctime;                  /* Time of last status change.  */
 141     __syscall_ulong_t st_ctimensec;     /* Nsecs of last status change.  */
 142 # endif
 143 # ifdef __x86_64__
 144     __syscall_slong_t __glibc_reserved[3];
 145 # else
 146     __ino64_t st_ino;                   /* File serial number.          */
 147 # endif
 148   };
 149 #endif
 150
 151 /* Tell code we have these members.  */
 152 #define _STATBUF_ST_BLKSIZE
 153 #define _STATBUF_ST_RDEV
 154 /* Nanosecond resolution time values are supported.  */
 155 #define _STATBUF_ST_NSEC
 156
 157 #endif /* _BITS_STRUCT_STAT_H  */