io/test-stat.c

   1 /* Copyright (C) 2000-2013 Free Software Foundation, Inc.
   2    Contributed by Maciej W. Rozycki <macro@ds2.pg.gda.pl>, 2000.
   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    <http://www.gnu.org/licenses/>.  */
  18
  19 /* We need to define:
  20 #define _FILE_OFFSET_BITS 64
  21 #define _LARGEFILE64_SOURCE 1
  22 */
  23
  24 #include <assert.h>
  25 #include <stddef.h>
  26 #include <sys/stat.h>
  27
  28 int
  29 main (void)
  30 {
  31   /* With _FILE_OFFSET_BITS=64 struct stat and struct stat64 should
  32      be identical.  */
  33   assert (sizeof (struct stat)
  34           == sizeof (struct stat64));
  35   assert (offsetof (struct stat, st_dev)
  36           == offsetof (struct stat64, st_dev));
  37   assert (offsetof (struct stat, st_ino)
  38           == offsetof (struct stat64, st_ino));
  39   assert (offsetof (struct stat, st_mode)
  40           == offsetof (struct stat64, st_mode));
  41   assert (offsetof (struct stat, st_nlink)
  42           == offsetof (struct stat64, st_nlink));
  43   assert (offsetof (struct stat, st_uid)
  44           == offsetof (struct stat64, st_uid));
  45   assert (offsetof (struct stat, st_gid)
  46           == offsetof (struct stat64, st_gid));
  47   assert (offsetof (struct stat, st_rdev)
  48           == offsetof (struct stat64, st_rdev));
  49   assert (offsetof (struct stat, st_size)
  50           == offsetof (struct stat64, st_size));
  51   assert (offsetof (struct stat, st_atime)
  52           == offsetof (struct stat64, st_atime));
  53   assert (offsetof (struct stat, st_mtime)
  54           == offsetof (struct stat64, st_mtime));
  55   assert (offsetof (struct stat, st_ctime)
  56           == offsetof (struct stat64, st_ctime));
  57   assert (offsetof (struct stat, st_blksize)
  58           == offsetof (struct stat64, st_blksize));
  59   assert (offsetof (struct stat, st_blocks)
  60           == offsetof (struct stat64, st_blocks));
  61 #if 0
  62   /* Some systems have st_fstype but not all.  Don't check it for now.  */
  63   assert (offsetof (struct stat, st_fstype)
  64           == offsetof (struct stat64, st_fstype));
  65 #endif
  66   return 0;
  67 }