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ipsec-tools

    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 */