1/*	$NetBSD: var.h,v 1.4.6.1 2007/06/06 15:36:38 vanhu Exp $	*/
2
3/* Id: var.h,v 1.6 2004/11/20 16:16:59 monas Exp */
4
5/*
6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 * 3. Neither the name of the project nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef _VAR_H
35#define _VAR_H
36
37#if !defined(_VAR_H_)
38#define _VAR_H_
39
40#define MAX3(a, b, c) (a > b ? (a > c ? a : c) : (b > c ? b : c))
41
42#define ISSET(exp, bit) (((exp) & (bit)) == (bit))
43
44#define LALIGN(a) \
45    ((a) > 0 ? ((a) &~ (sizeof(long) - 1)) : sizeof(long))
46
47#define RNDUP(a) \
48    ((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
49
50#define ARRAYLEN(a)	(sizeof(a)/sizeof(a[0]))
51
52#define BUFSIZE    5120
53
54#ifndef FALSE
55#define FALSE 0
56#endif
57#ifndef TRUE
58#define TRUE 1
59#endif
60
61#ifdef ENABLE_STATS
62#include <sys/time.h>
63#endif
64#include <sys/socket.h>
65
66/*
67 * use of GETNAMEINFO(x, y, NULL) is not politically correct,
68 * as sizeof(NULL) would be 4, not 0. Also, gcc-3.4.2+ bombs on it.
69 * In such cases, use GETNAMEINFO_NULL(x, y)
70 */
71#include <sys/socket.h>
72#include <netdb.h>
73
74/* var.h is used from non-racoon code (like eaytest), so we can't use niflags */
75#define NIFLAGS	(NI_NUMERICHOST | NI_NUMERICSERV)
76
77#define GETNAMEINFO(x, y, z) \
78do { \
79	if (getnameinfo((x), sysdep_sa_len(x), (y), sizeof(y), (z), sizeof(z), \
80			NIFLAGS) != 0) { \
81		if (y != NULL) \
82			strncpy((y), "(invalid)", sizeof(y)); \
83		if (z != NULL) \
84			strncpy((z), "(invalid)", sizeof(z)); \
85	} \
86} while (0);
87
88#define GETNAMEINFO_NULL(x, y) \
89do { \
90	if (getnameinfo((x), sysdep_sa_len(x), (y), sizeof(y), NULL, 0, \
91			NIFLAGS) != 0) { \
92		if (y != NULL) \
93			strncpy((y), "(invalid)", sizeof(y)); \
94	} \
95} while (0);
96
97#include <sys/queue.h>
98#ifndef LIST_FOREACH
99#define LIST_FOREACH(elm, head, field) \
100	for (elm = LIST_FIRST(head); elm; elm = LIST_NEXT(elm, field))
101#endif
102
103#include "gcmalloc.h"
104
105#endif /*!defined(_VAR_H_)*/
106
107#endif /* _VAR_H */
108