/contrib/bind9/bin/tools/arpaname.c
https://bitbucket.org/freebsd/freebsd-head/ · C · 53 lines · 29 code · 8 blank · 16 comment · 6 complexity · dc4f4036014ec12b9ee1219e1e1d4a67 MD5 · raw file
- /*
- * 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));
- }