/* Test of <fcntl.h> substitute.

   Copyright (C) 2007, 2009-2017 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

/* Written by Bruno Haible <bruno@clisp.org>, 2007.  */

#include <config.h>

#include <fcntl.h>

/* Check that the various O_* macros are defined.  */

int o = (O_DIRECT | O_DIRECTORY | O_DSYNC | O_IGNORE_CTTY | O_NDELAY | O_NOATIME

	 | O_NONBLOCK | O_NOCTTY | O_NOFOLLOW | O_NOLINK | O_NOLINKS | O_NOTRANS

	 | O_RSYNC | O_SYNC | O_TTY_INIT | O_BINARY | O_TEXT);

/* Check that the various SEEK_* macros are defined.  */

int sk[] = { SEEK_CUR, SEEK_END, SEEK_SET };

/* Check that the FD_* macros are defined.  */

int i = FD_CLOEXEC;

/* Check that the types are all defined.  */

pid_t t1;

off_t t2;

mode_t t3;

int

main (void)

{

  /* Ensure no overlap in SEEK_*. */

  switch (0)

    {

    case SEEK_CUR:

    case SEEK_END:

    case SEEK_SET:

      ;

    }

  /* Ensure no dangerous overlap in non-zero gnulib-defined replacements.  */

  switch (O_RDONLY)

    {

      /* Access modes */

    case O_RDONLY:

    case O_WRONLY:

    case O_RDWR:

#if O_EXEC && O_EXEC != O_RDONLY

    case O_EXEC:

#endif

#if O_SEARCH && O_EXEC != O_SEARCH && O_SEARCH != O_RDONLY

    case O_SEARCH:

#endif

      i = ! (~O_ACCMODE & (O_RDONLY | O_WRONLY | O_RDWR | O_EXEC | O_SEARCH));

      break;

      /* Everyone should have these */

    case O_CREAT:

    case O_EXCL:

    case O_TRUNC:

    case O_APPEND:

      break;

      /* These might be 0 or O_RDONLY, only test non-zero versions.  */

#if O_CLOEXEC

    case O_CLOEXEC:

#endif

#if O_DIRECT

    case O_DIRECT:

#endif

#if O_DIRECTORY

    case O_DIRECTORY:

#endif

#if O_DSYNC

    case O_DSYNC:

#endif

#if O_IGNORE_CTTY

    case O_IGNORE_CTTY:

#endif

#if O_NOATIME

    case O_NOATIME:

#endif

#if O_NONBLOCK

    case O_NONBLOCK:

#endif

#if O_NOCTTY

    case O_NOCTTY:

#endif

#if O_NOFOLLOW

    case O_NOFOLLOW:

#endif

#if O_NOLINK

    case O_NOLINK:

#endif

#if O_NOLINKS

    case O_NOLINKS:

#endif

#if O_NOTRANS

    case O_NOTRANS:

#endif

#if O_RSYNC && O_RSYNC != O_DSYNC

    case O_RSYNC:

#endif

#if O_SYNC && O_SYNC != O_DSYNC && O_SYNC != O_RSYNC

    case O_SYNC:

#endif

#if O_TTY_INIT

    case O_TTY_INIT:

#endif

#if O_BINARY

    case O_BINARY:

#endif

#if O_TEXT

    case O_TEXT:

#endif

      ;

    }

  return !i;

}