xref: /freebsd/usr.sbin/lpr/common_source/lp.cdefs.h (revision cddbc3b40812213ff00041f79174cac0be360a2a)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * ------+---------+---------+---------+---------+---------+---------+---------*
5  * Copyright (c) 2003,2013  - Garance Alistair Drosehn <gad@FreeBSD.org>.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *   1. Redistributions of source code must retain the above copyright
12  *      notice, this list of conditions and the following disclaimer.
13  *   2. Redistributions in binary form must reproduce the above copyright
14  *      notice, this list of conditions and the following disclaimer in the
15  *      documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * The views and conclusions contained in the software and documentation
30  * are those of the authors and should not be interpreted as representing
31  * official policies, either expressed or implied, of the FreeBSD Project.
32  *
33  * ------+---------+---------+---------+---------+---------+---------+---------*
34  * $FreeBSD$
35  * ------+---------+---------+---------+---------+---------+---------+---------*
36  */
37 
38 /*
39  * The main goal of this include file is to provide a platform-neutral way
40  * to define some macros that lpr wants from FreeBSD's <sys/cdefs.h>.  This
41  * will simply use the standard <sys/cdefs.h> when compiled in FreeBSD, but
42  * other OS's may not have /usr/include/sys/cdefs.h (or even if that file
43  * exists, it may not define all the macros that lpr will use).
44  */
45 
46 #if !defined(_LP_CDEFS_H_)
47 #define	_LP_CDEFS_H_
48 
49 /*
50  * For non-BSD platforms, you can compile lpr with -DHAVE_SYS_CDEFS_H
51  * if <sys/cdefs.h> should be included.
52  */
53 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
54 #  define HAVE_SYS_CDEFS_H
55 #endif
56 #if defined(HAVE_SYS_CDEFS_H)
57 #  include <sys/cdefs.h>
58 #endif
59 
60 /*
61  * FreeBSD added a closefrom() routine in release 8.0.  When compiling
62  * `lpr' on other platforms you might want to include bsd-closefrom.c
63  * from the portable-openssh project.
64  */
65 #ifndef	USE_CLOSEFROM
66 #  if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__)
67 #    define	USE_CLOSEFROM	1
68 #  endif
69 #endif
70 /* The macro USE_CLOSEFROM must be defined with a value of 0 or 1. */
71 #ifndef	USE_CLOSEFROM
72 #  define	USE_CLOSEFROM	0
73 #endif
74 
75 /*
76  * __unused is a compiler-specific trick which can be used to avoid
77  * warnings about a variable which is defined but never referenced.
78  * Some lpr files use this, so define a null version if it was not
79  * defined by <sys/cdefs.h>.
80  */
81 #if !defined(__unused)
82 #  define	__unused
83 #endif
84 
85 /*
86  * All the lpr source files will want to reference __FBSDID() to
87  * handle rcs id's.
88  */
89 #if !defined(__FBSDID)
90 #  if defined(lint) || defined(STRIP_FBSDID)
91 #    define	__FBSDID(s)	struct skip_rcsid_struct
92 #  elif defined(__IDSTRING)			/* NetBSD */
93 #    define	__FBSDID(s)	__IDSTRING(rcsid,s)
94 #  else
95 #    define	__FBSDID(s)	static const char rcsid[] __unused = s
96 #  endif
97 #endif /* __FBSDID */
98 
99 /*
100  * Some lpr include files use __BEGIN_DECLS and __END_DECLS.
101  */
102 #if !defined(__BEGIN_DECLS)
103 #  if defined(__cplusplus)
104 #    define	__BEGIN_DECLS	extern "C" {
105 #    define	__END_DECLS	}
106 #  else
107 #    define	__BEGIN_DECLS
108 #    define	__END_DECLS
109 #  endif
110 #endif
111 
112 /*
113  * __printflike and __printf0like are a compiler-specific tricks to
114  * tell the compiler to check the format-codes in printf-like
115  * routines wrt the args that will be formatted.
116  */
117 #if !defined(__printflike)
118 #  define	__printflike(fmtarg, firstvararg)
119 #endif
120 #if !defined(__printf0like)
121 #  define	__printf0like(fmtarg, firstvararg)
122 #endif
123 
124 #endif /* !_LP_CDEFS_H_ */
125