61 lines
2.5 KiB
C
61 lines
2.5 KiB
C
/* $NetBSD: var.h,v 1.2 2000/12/04 07:09:37 itojun Exp $ */
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/* $KAME: var.h,v 1.3 2000/07/24 01:00:29 itojun Exp $ */
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/*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if !defined(_VAR_H_)
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#define _VAR_H_
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#define MAX3(a,b,c) (a > b ? (a > c ? a : c) : (b > c ? b : c))
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#define CALLOC(size, cast) (cast)calloc(1, (size))
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#define ISSET(exp, bit) (((exp) & (bit)) == (bit))
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#define ATOX(c) \
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(isdigit(c) ? (c - '0') : (isupper(c) ? (c - 'A' + 10) : (c - 'a' + 10) ))
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#define LALIGN(a) \
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((a) > 0 ? ((a) &~ (sizeof(long) - 1)) : sizeof(long))
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#define RNDUP(a) \
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((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
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#define BUFADDRSIZE 128
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#define INET_NTOP(addr, buf) \
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inet_ntop(((struct sockaddr *)(addr))->sa_family, _INADDRBYSA(addr), buf, sizeof(buf))
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#define GETNAMEINFO(x, y, z) \
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getnameinfo((x), (x)->sa_len, (y), sizeof(y), (z), sizeof(z), \
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NI_NUMERICHOST | NI_NUMERICSERV)
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#define ARRAYSIZE(a) (sizeof(a)/sizeof(a[0]))
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#endif /*!defined(_VAR_H_)*/
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