/contrib/bsnmp/lib/support.h

 1/*
 2 * Copyright (C) 2004-2005
 3 *	Hartmut Brandt.
 4 *	All rights reserved.
 5 *
 6 * Author: Harti Brandt <harti@freebsd.org>
 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 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 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 * $Begemot: bsnmp/lib/support.h,v 1.2 2005/10/06 07:14:59 brandt_h Exp $
30 *
31 * Functions that are missing on certain systems. This header file is not
32 * to be installed.
33 */
34#ifndef bsnmp_support_h_
35#define bsnmp_support_h_
36
37#include <sys/cdefs.h>
38
39#ifndef HAVE_ERR_H
40void err(int, const char *, ...) __printflike(2, 3) __dead2;
41void errx(int, const char *, ...) __printflike(2, 3) __dead2;
42
43void warn(const char *, ...) __printflike(1, 2);
44void warnx(const char *, ...) __printflike(1, 2);
45#endif
46
47#ifndef HAVE_STRLCPY
48size_t strlcpy(char *, const char *, size_t);
49#endif
50
51#ifndef HAVE_GETADDRINFO
52
53struct addrinfo {
54	u_int	ai_flags;
55	int	ai_family;
56	int	ai_socktype;
57	int	ai_protocol;
58	struct sockaddr *ai_addr;
59	int	ai_addrlen;
60	struct addrinfo *ai_next;
61};
62#define	AI_CANONNAME	0x0001
63
64int getaddrinfo(const char *, const char *, const struct addrinfo *,
65    struct addrinfo **);
66const char *gai_strerror(int);
67void freeaddrinfo(struct addrinfo *);
68
69#endif
70
71/*
72 * For systems with missing stdint.h or inttypes.h
73 */
74#if !defined(INT32_MIN)
75#define	INT32_MIN	(-0x7fffffff-1)
76#endif
77#if !defined(INT32_MAX)
78#define	INT32_MAX	(0x7fffffff)
79#endif
80#if !defined(UINT32_MAX)
81#define	UINT32_MAX	(0xffffffff)
82#endif
83
84/*
85 * Systems missing SA_SIZE(). Taken from FreeBSD net/route.h:1.63
86 */
87#ifndef SA_SIZE
88
89#define SA_SIZE(sa)						\
90    (  (!(sa) || ((struct sockaddr *)(sa))->sa_len == 0) ?	\
91	sizeof(long)		:				\
92	1 + ( (((struct sockaddr *)(sa))->sa_len - 1) | (sizeof(long) - 1) ) )
93
94#endif
95
96#endif