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freebsd/contrib/bsnmp/lib/support.h
2006-02-27 16:16:18 +00:00

97 lines
2.8 KiB
C

/*
* Copyright (C) 2004-2005
* Hartmut Brandt.
* All rights reserved.
*
* Author: Harti Brandt <harti@freebsd.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Begemot: bsnmp/lib/support.h,v 1.2 2005/10/06 07:14:59 brandt_h Exp $
*
* Functions that are missing on certain systems. This header file is not
* to be installed.
*/
#ifndef bsnmp_support_h_
#define bsnmp_support_h_
#include <sys/cdefs.h>
#ifndef HAVE_ERR_H
void err(int, const char *, ...) __printflike(2, 3) __dead2;
void errx(int, const char *, ...) __printflike(2, 3) __dead2;
void warn(const char *, ...) __printflike(1, 2);
void warnx(const char *, ...) __printflike(1, 2);
#endif
#ifndef HAVE_STRLCPY
size_t strlcpy(char *, const char *, size_t);
#endif
#ifndef HAVE_GETADDRINFO
struct addrinfo {
u_int ai_flags;
int ai_family;
int ai_socktype;
int ai_protocol;
struct sockaddr *ai_addr;
int ai_addrlen;
struct addrinfo *ai_next;
};
#define AI_CANONNAME 0x0001
int getaddrinfo(const char *, const char *, const struct addrinfo *,
struct addrinfo **);
const char *gai_strerror(int);
void freeaddrinfo(struct addrinfo *);
#endif
/*
* For systems with missing stdint.h or inttypes.h
*/
#if !defined(INT32_MIN)
#define INT32_MIN (-0x7fffffff-1)
#endif
#if !defined(INT32_MAX)
#define INT32_MAX (0x7fffffff)
#endif
#if !defined(UINT32_MAX)
#define UINT32_MAX (0xffffffff)
#endif
/*
* Systems missing SA_SIZE(). Taken from FreeBSD net/route.h:1.63
*/
#ifndef SA_SIZE
#define SA_SIZE(sa) \
( (!(sa) || ((struct sockaddr *)(sa))->sa_len == 0) ? \
sizeof(long) : \
1 + ( (((struct sockaddr *)(sa))->sa_len - 1) | (sizeof(long) - 1) ) )
#endif
#endif