/*-

 * Copyright (c) 2003-2007 Tim Kientzle

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR

 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES

 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.

 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,

 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 * $FreeBSD: src/usr.bin/tar/bsdtar_platform.h,v 1.26 2008/12/06 07:37:14 kientzle Exp $

 */

/*

 * This header is the first thing included in any of the bsdtar

 * source files.  As far as possible, platform-specific issues should

 * be dealt with here and not within individual source files.

 */

#ifndef BSDTAR_PLATFORM_H_INCLUDED

#define	BSDTAR_PLATFORM_H_INCLUDED

#if defined(PLATFORM_CONFIG_H)

/* Use hand-built config.h in environments that need it. */

#include PLATFORM_CONFIG_H

#else

/* Not having a config.h of some sort is a serious problem. */

#include "config.h"

#endif

#if defined(_WIN32) && !defined(__CYGWIN__)

#include "bsdtar_windows.h"

#endif

/* Get a real definition for __FBSDID if we can */

#if HAVE_SYS_CDEFS_H

#include <sys/cdefs.h>

#endif

/* If not, define it so as to avoid dangling semicolons. */

#ifndef __FBSDID

#define	__FBSDID(a)     struct _undefined_hack

#endif

#ifdef HAVE_LIBARCHIVE

/* If we're using the platform libarchive, include system headers. */

#include <archive.h>

#include <archive_entry.h>

#else

/* Otherwise, include user headers. */

#include "archive.h"

#include "archive_entry.h"

#endif

#ifdef HAVE_LIBACL

#include <acl/libacl.h>

#endif

/*

 * Include "dirent.h" (or its equivalent on several different platforms).

 *

 * This is slightly modified from the GNU autoconf recipe.

 * In particular, FreeBSD includes d_namlen in its dirent structure,

 * so my configure script includes an explicit test for the d_namlen

 * field.

 */

#if HAVE_DIRENT_H

# include <dirent.h>

# if HAVE_DIRENT_D_NAMLEN

#  define DIRENT_NAMLEN(dirent) (dirent)->d_namlen

# else

#  define DIRENT_NAMLEN(dirent) strlen((dirent)->d_name)

# endif

#else

# define dirent direct

# define DIRENT_NAMLEN(dirent) (dirent)->d_namlen

# if HAVE_SYS_NDIR_H

#  include <sys/ndir.h>

# endif

# if HAVE_SYS_DIR_H

#  include <sys/dir.h>

# endif

# if HAVE_NDIR_H

#  include <ndir.h>

# endif

#endif

#if HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC

#define	ARCHIVE_STAT_CTIME_NANOS(st)	(st)->st_ctimespec.tv_nsec

#define	ARCHIVE_STAT_MTIME_NANOS(st)	(st)->st_mtimespec.tv_nsec

#elif HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC

#define	ARCHIVE_STAT_CTIME_NANOS(st)	(st)->st_ctim.tv_nsec

#define	ARCHIVE_STAT_MTIME_NANOS(st)	(st)->st_mtim.tv_nsec

#elif HAVE_STRUCT_STAT_ST_MTIME_N

#define	ARCHIVE_STAT_CTIME_NANOS(st)	(st)->st_ctime_n

#define	ARCHIVE_STAT_MTIME_NANOS(st)	(st)->st_mtime_n

#elif HAVE_STRUCT_STAT_ST_UMTIME

#define	ARCHIVE_STAT_CTIME_NANOS(st)	(st)->st_uctime * 1000

#define	ARCHIVE_STAT_MTIME_NANOS(st)	(st)->st_umtime * 1000

#elif HAVE_STRUCT_STAT_ST_MTIME_USEC

#define	ARCHIVE_STAT_CTIME_NANOS(st)	(st)->st_ctime_usec * 1000

#define	ARCHIVE_STAT_MTIME_NANOS(st)	(st)->st_mtime_usec * 1000

#else

#define	ARCHIVE_STAT_CTIME_NANOS(st)	(0)

#define	ARCHIVE_STAT_MTIME_NANOS(st)	(0)

#endif

/* How to mark functions that don't return. */

/* This facilitates use of some newer static code analysis tools. */

#undef __LA_DEAD

#if defined(__GNUC__) && (__GNUC__ > 2 || \

			  (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))

#define	__LA_DEAD	__attribute__((__noreturn__))

#else

#define	__LA_DEAD

#endif

#endif /* !BSDTAR_PLATFORM_H_INCLUDED */