io/test-stat.c

   1 /* Copyright (C) 2000 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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 /* We need to define:
  21 #define _FILE_OFFSET_BITS 64
  22 #define _LARGEFILE64_SOURCE 1
  23 */
  24
  25 #include <assert.h>
  26 #include <stddef.h>
  27 #include <sys/stat.h>
  28
  29 int
  30 main (void)
  31 {
  32   /* With _FILE_OFFSET_BITS=64 struct stat and struct stat64 should
  33      be identical.  */
  34   assert (sizeof (struct stat)
  35           == sizeof (struct stat64));
  36   assert (offsetof (struct stat, st_dev)
  37           == offsetof (struct stat64, st_dev));
  38   assert (offsetof (struct stat, st_ino)
  39           == offsetof (struct stat64, st_ino));
  40   assert (offsetof (struct stat, st_mode)
  41           == offsetof (struct stat64, st_mode));
  42   assert (offsetof (struct stat, st_nlink)
  43           == offsetof (struct stat64, st_nlink));
  44   assert (offsetof (struct stat, st_uid)
  45           == offsetof (struct stat64, st_uid));
  46   assert (offsetof (struct stat, st_gid)
  47           == offsetof (struct stat64, st_gid));
  48   assert (offsetof (struct stat, st_rdev)
  49           == offsetof (struct stat64, st_rdev));
  50   assert (offsetof (struct stat, st_size)
  51           == offsetof (struct stat64, st_size));
  52   assert (offsetof (struct stat, st_atime)
  53           == offsetof (struct stat64, st_atime));
  54   assert (offsetof (struct stat, st_mtime)
  55           == offsetof (struct stat64, st_mtime));
  56   assert (offsetof (struct stat, st_ctime)
  57           == offsetof (struct stat64, st_ctime));
  58   assert (offsetof (struct stat, st_blksize)
  59           == offsetof (struct stat64, st_blksize));
  60   assert (offsetof (struct stat, st_blocks)
  61           == offsetof (struct stat64, st_blocks));
  62 #if 0
  63   /* Some systems have st_fstype but not all.  Don't check it for now.  */
  64   assert (offsetof (struct stat, st_fstype)
  65           == offsetof (struct stat64, st_fstype));
  66 #endif
  67   return 0;
  68 }