xref: /freebsd/contrib/libarchive/cat/bsdcat_platform.h (revision 3416500aef140042c64bc149cb1ec6620483bc44)
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 BSDCAT_PLATFORM_H_INCLUDED
35 #define	BSDCAT_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 /* Get a real definition for __FBSDID if we can */
46 #if HAVE_SYS_CDEFS_H
47 #include <sys/cdefs.h>
48 #endif
49 
50 /* If not, define it so as to avoid dangling semicolons. */
51 #ifndef __FBSDID
52 #define	__FBSDID(a)     struct _undefined_hack
53 #endif
54 
55 #ifdef HAVE_LIBARCHIVE
56 /* If we're using the platform libarchive, include system headers. */
57 #include <archive.h>
58 #include <archive_entry.h>
59 #else
60 /* Otherwise, include user headers. */
61 #include "archive.h"
62 #include "archive_entry.h"
63 #endif
64 
65 /* How to mark functions that don't return. */
66 /* This facilitates use of some newer static code analysis tools. */
67 #undef __LA_DEAD
68 #if defined(__GNUC__) && (__GNUC__ > 2 || \
69 			  (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
70 #define	__LA_DEAD	__attribute__((__noreturn__))
71 #else
72 #define	__LA_DEAD
73 #endif
74 
75 #endif /* !BSDCAT_PLATFORM_H_INCLUDED */
76