1/*-
2 * Copyright (c) 2003-2007 Tim Kientzle
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * $FreeBSD$
26 */
27
28/*
29 * This header is the first thing included in any of the bsdtar
30 * source files.  As far as possible, platform-specific issues should
31 * be dealt with here and not within individual source files.
32 */
33
34#ifndef BSDTAR_PLATFORM_H_INCLUDED
35#define	BSDTAR_PLATFORM_H_INCLUDED
36
37#if defined(PLATFORM_CONFIG_H)
38/* Use hand-built config.h in environments that need it. */
39#include PLATFORM_CONFIG_H
40#else
41/* Not having a config.h of some sort is a serious problem. */
42#include "config.h"
43#endif
44
45#if defined(_WIN32) && !defined(__CYGWIN__)
46#include "bsdtar_windows.h"
47#endif
48
49/* Get a real definition for __FBSDID if we can */
50#if HAVE_SYS_CDEFS_H
51#include <sys/cdefs.h>
52#endif
53
54/* If not, define it so as to avoid dangling semicolons. */
55#ifndef __FBSDID
56#define	__FBSDID(a)     struct _undefined_hack
57#endif
58
59#ifdef HAVE_LIBARCHIVE
60/* If we're using the platform libarchive, include system headers. */
61#include <archive.h>
62#include <archive_entry.h>
63#else
64/* Otherwise, include user headers. */
65#include "archive.h"
66#include "archive_entry.h"
67#endif
68
69#ifdef HAVE_LIBACL
70#include <acl/libacl.h>
71#endif
72
73/*
74 * Include "dirent.h" (or its equivalent on several different platforms).
75 *
76 * This is slightly modified from the GNU autoconf recipe.
77 * In particular, FreeBSD includes d_namlen in its dirent structure,
78 * so my configure script includes an explicit test for the d_namlen
79 * field.
80 */
81#if HAVE_DIRENT_H
82# include <dirent.h>
83# if HAVE_DIRENT_D_NAMLEN
84#  define DIRENT_NAMLEN(dirent) (dirent)->d_namlen
85# else
86#  define DIRENT_NAMLEN(dirent) strlen((dirent)->d_name)
87# endif
88#else
89# define dirent direct
90# define DIRENT_NAMLEN(dirent) (dirent)->d_namlen
91# if HAVE_SYS_NDIR_H
92#  include <sys/ndir.h>
93# endif
94# if HAVE_SYS_DIR_H
95#  include <sys/dir.h>
96# endif
97# if HAVE_NDIR_H
98#  include <ndir.h>
99# endif
100#endif
101
102#if HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC
103#define	ARCHIVE_STAT_CTIME_NANOS(st)	(st)->st_ctimespec.tv_nsec
104#define	ARCHIVE_STAT_MTIME_NANOS(st)	(st)->st_mtimespec.tv_nsec
105#elif HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
106#define	ARCHIVE_STAT_CTIME_NANOS(st)	(st)->st_ctim.tv_nsec
107#define	ARCHIVE_STAT_MTIME_NANOS(st)	(st)->st_mtim.tv_nsec
108#elif HAVE_STRUCT_STAT_ST_MTIME_N
109#define	ARCHIVE_STAT_CTIME_NANOS(st)	(st)->st_ctime_n
110#define	ARCHIVE_STAT_MTIME_NANOS(st)	(st)->st_mtime_n
111#elif HAVE_STRUCT_STAT_ST_UMTIME
112#define	ARCHIVE_STAT_CTIME_NANOS(st)	(st)->st_uctime * 1000
113#define	ARCHIVE_STAT_MTIME_NANOS(st)	(st)->st_umtime * 1000
114#elif HAVE_STRUCT_STAT_ST_MTIME_USEC
115#define	ARCHIVE_STAT_CTIME_NANOS(st)	(st)->st_ctime_usec * 1000
116#define	ARCHIVE_STAT_MTIME_NANOS(st)	(st)->st_mtime_usec * 1000
117#else
118#define	ARCHIVE_STAT_CTIME_NANOS(st)	(0)
119#define	ARCHIVE_STAT_MTIME_NANOS(st)	(0)
120#endif
121
122/* How to mark functions that don't return. */
123/* This facilitates use of some newer static code analysis tools. */
124#undef __LA_DEAD
125#if defined(__GNUC__) && (__GNUC__ > 2 || \
126			  (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
127#define	__LA_DEAD	__attribute__((__noreturn__))
128#else
129#define	__LA_DEAD
130#endif
131
132#endif /* !BSDTAR_PLATFORM_H_INCLUDED */
133