1133211Sharti/*
2156066Sharti * Copyright (C) 2004-2005
3133211Sharti *	Hartmut Brandt.
4133211Sharti *	All rights reserved.
5133211Sharti *
6133211Sharti * Author: Harti Brandt <harti@freebsd.org>
7133211Sharti *
8133211Sharti * Redistribution and use in source and binary forms, with or without
9133211Sharti * modification, are permitted provided that the following conditions
10133211Sharti * are met:
11133211Sharti * 1. Redistributions of source code must retain the above copyright
12133211Sharti *    notice, this list of conditions and the following disclaimer.
13133211Sharti * 2. Redistributions in binary form must reproduce the above copyright
14133211Sharti *    notice, this list of conditions and the following disclaimer in the
15133211Sharti *    documentation and/or other materials provided with the distribution.
16133211Sharti *
17133211Sharti * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18133211Sharti * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19133211Sharti * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20133211Sharti * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
21133211Sharti * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22133211Sharti * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23133211Sharti * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24133211Sharti * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25133211Sharti * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26133211Sharti * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27133211Sharti * SUCH DAMAGE.
28133211Sharti *
29156066Sharti * $Begemot: bsnmp/lib/support.h,v 1.2 2005/10/06 07:14:59 brandt_h Exp $
30133211Sharti *
31133211Sharti * Functions that are missing on certain systems. This header file is not
32133211Sharti * to be installed.
33133211Sharti */
34133211Sharti#ifndef bsnmp_support_h_
35133211Sharti#define bsnmp_support_h_
36133211Sharti
37133211Sharti#include <sys/cdefs.h>
38133211Sharti
39133211Sharti#ifndef HAVE_ERR_H
40133211Shartivoid err(int, const char *, ...) __printflike(2, 3) __dead2;
41133211Shartivoid errx(int, const char *, ...) __printflike(2, 3) __dead2;
42133211Sharti
43133211Shartivoid warn(const char *, ...) __printflike(1, 2);
44133211Shartivoid warnx(const char *, ...) __printflike(1, 2);
45133211Sharti#endif
46133211Sharti
47133211Sharti#ifndef HAVE_STRLCPY
48133211Shartisize_t strlcpy(char *, const char *, size_t);
49133211Sharti#endif
50133211Sharti
51133211Sharti#ifndef HAVE_GETADDRINFO
52133211Sharti
53133211Shartistruct addrinfo {
54133211Sharti	u_int	ai_flags;
55133211Sharti	int	ai_family;
56133211Sharti	int	ai_socktype;
57133211Sharti	int	ai_protocol;
58133211Sharti	struct sockaddr *ai_addr;
59133211Sharti	int	ai_addrlen;
60133211Sharti	struct addrinfo *ai_next;
61133211Sharti};
62133211Sharti#define	AI_CANONNAME	0x0001
63133211Sharti
64133211Shartiint getaddrinfo(const char *, const char *, const struct addrinfo *,
65133211Sharti    struct addrinfo **);
66133211Sharticonst char *gai_strerror(int);
67133211Shartivoid freeaddrinfo(struct addrinfo *);
68133211Sharti
69133211Sharti#endif
70133211Sharti
71156066Sharti/*
72156066Sharti * For systems with missing stdint.h or inttypes.h
73156066Sharti */
74156066Sharti#if !defined(INT32_MIN)
75156066Sharti#define	INT32_MIN	(-0x7fffffff-1)
76133211Sharti#endif
77156066Sharti#if !defined(INT32_MAX)
78156066Sharti#define	INT32_MAX	(0x7fffffff)
79156066Sharti#endif
80156066Sharti#if !defined(UINT32_MAX)
81156066Sharti#define	UINT32_MAX	(0xffffffff)
82156066Sharti#endif
83156066Sharti
84156066Sharti/*
85156066Sharti * Systems missing SA_SIZE(). Taken from FreeBSD net/route.h:1.63
86156066Sharti */
87156066Sharti#ifndef SA_SIZE
88156066Sharti
89156066Sharti#define SA_SIZE(sa)						\
90156066Sharti    (  (!(sa) || ((struct sockaddr *)(sa))->sa_len == 0) ?	\
91156066Sharti	sizeof(long)		:				\
92156066Sharti	1 + ( (((struct sockaddr *)(sa))->sa_len - 1) | (sizeof(long) - 1) ) )
93156066Sharti
94156066Sharti#endif
95156066Sharti
96156066Sharti#endif
97