80 lines
2.7 KiB
C
80 lines
2.7 KiB
C
/* $NetBSD: intoa.c,v 1.3 2009/03/14 15:36:22 dsl Exp $ */
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/*
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* Copyright (c) 1992 Regents of the University of California.
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* All rights reserved.
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*
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* This software was developed by the Computer Systems Engineering group
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* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
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* contributed to Berkeley.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Lawrence Berkeley Laboratory and its contributors.
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* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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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* @(#) Header: net.c,v 1.9 93/08/06 19:32:15 leres Exp (LBL)
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*/
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#include <sys/types.h>
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#if defined(_KERNEL) || defined(_STANDALONE)
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#include <lib/libkern/libkern.h>
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#else
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char *intoa(u_int32_t); /* XXX */
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#endif
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/* Similar to inet_ntoa() */
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char *
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intoa(u_int32_t addr)
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{
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char *cp;
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u_int byte;
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int n;
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static char buf[17]; /* strlen(".255.255.255.255") + 1 */
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addr = ntohl(addr);
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cp = &buf[sizeof buf];
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*--cp = '\0';
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n = 4;
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do {
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byte = addr & 0xff;
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*--cp = byte % 10 + '0';
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byte /= 10;
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if (byte > 0) {
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*--cp = byte % 10 + '0';
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byte /= 10;
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if (byte > 0)
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*--cp = byte + '0';
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}
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*--cp = '.';
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addr >>= 8;
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} while (--n > 0);
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return (cp+1);
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}
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