1: /* $NetBSD: var.h,v 1.5 2007/06/06 15:37:15 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) \
78: do { \
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) \
89: do { \
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 */
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