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/*
* Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC")
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: arpaname.c,v 1.4 2009/10/27 03:05:33 marka Exp $ */
#include "config.h"
#include <isc/net.h>
#include <stdio.h>
#define UNUSED(x) (void)(x)
int
main(int argc, char *argv[]) {
unsigned char buf[16];
int i;
UNUSED(argc);
while (argv[1]) {
if (inet_pton(AF_INET6, argv[1], buf) == 1) {
for (i = 15; i >= 0; i--)
fprintf(stdout, "%X.%X.", buf[i] & 0xf,
(buf[i] >> 4) & 0xf);
fprintf(stdout, "IP6.ARPA\n");
argv++;
continue;
}
if (inet_pton(AF_INET, argv[1], buf) == 1) {
fprintf(stdout, "%u.%u.%u.%u.IN-ADDR.ARPA\n",
buf[3], buf[2], buf[1], buf[0]);
argv++;
continue;
}
return (1);
}
fflush(stdout);
return(ferror(stdout));
}
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