ipsec-tools/racoon/var.h

   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) \
  78 do { \
  79         if (getnameinfo((x), sysdep_sa_len((struct sockaddr *)x), (y), sizeof(y), (z), sizeof(z), \
  80                         NIFLAGS) != 0) { \
  81                 if (y != NULL) \
  82                         strlcpy((y), "(invalid)", sizeof(y)); \
  83                 if (z != NULL) \
  84                         strlcpy((z), "(invalid)", sizeof(z)); \
  85         } \
  86 } while (0);
  87
  88 #define GETNAMEINFO_NULL(x, y) \
  89 do { \
  90         if (getnameinfo((x), sysdep_sa_len((struct sockaddr *)x), (y), sizeof(y), NULL, 0, \
  91                         NIFLAGS) != 0) { \
  92                 if (y != NULL) \
  93                         strlcpy((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 /* For casting away alignment warnings when casting a ptr to a known aligned buffer */
 106 #define ALIGNED_CAST(type)      (type)(void *)
 107
 108 #endif /*!defined(_VAR_H_)*/
 109
 110 #endif /* _VAR_H */