glibc/io/test-stat.c

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/* Copyright (C) 2000-2014 Free Software Foundation, Inc.
Contributed by Maciej W. Rozycki <macro@ds2.pg.gda.pl>, 2000.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/* We need to define:
#define _FILE_OFFSET_BITS 64
#define _LARGEFILE64_SOURCE 1
*/
#include <assert.h>
#include <stddef.h>
#include <sys/stat.h>
int
main (void)
{
/* With _FILE_OFFSET_BITS=64 struct stat and struct stat64 should
be identical. */
assert (sizeof (struct stat)
== sizeof (struct stat64));
assert (offsetof (struct stat, st_dev)
== offsetof (struct stat64, st_dev));
assert (offsetof (struct stat, st_ino)
== offsetof (struct stat64, st_ino));
assert (offsetof (struct stat, st_mode)
== offsetof (struct stat64, st_mode));
assert (offsetof (struct stat, st_nlink)
== offsetof (struct stat64, st_nlink));
assert (offsetof (struct stat, st_uid)
== offsetof (struct stat64, st_uid));
assert (offsetof (struct stat, st_gid)
== offsetof (struct stat64, st_gid));
assert (offsetof (struct stat, st_rdev)
== offsetof (struct stat64, st_rdev));
assert (offsetof (struct stat, st_size)
== offsetof (struct stat64, st_size));
assert (offsetof (struct stat, st_atime)
== offsetof (struct stat64, st_atime));
assert (offsetof (struct stat, st_mtime)
== offsetof (struct stat64, st_mtime));
assert (offsetof (struct stat, st_ctime)
== offsetof (struct stat64, st_ctime));
assert (offsetof (struct stat, st_blksize)
== offsetof (struct stat64, st_blksize));
assert (offsetof (struct stat, st_blocks)
== offsetof (struct stat64, st_blocks));
#if 0
/* Some systems have st_fstype but not all. Don't check it for now. */
assert (offsetof (struct stat, st_fstype)
== offsetof (struct stat64, st_fstype));
#endif
return 0;
}