1*00b67f09SDavid van Moolenbroek /* $NetBSD: gethostname.c,v 1.1.1.3 2014/12/10 03:34:28 christos Exp $ */
2*00b67f09SDavid van Moolenbroek
3*00b67f09SDavid van Moolenbroek /*
4*00b67f09SDavid van Moolenbroek * Copyright (C) 2014 Internet Systems Consortium, Inc. ("ISC")
5*00b67f09SDavid van Moolenbroek *
6*00b67f09SDavid van Moolenbroek * Permission to use, copy, modify, and/or distribute this software for any
7*00b67f09SDavid van Moolenbroek * purpose with or without fee is hereby granted, provided that the above
8*00b67f09SDavid van Moolenbroek * copyright notice and this permission notice appear in all copies.
9*00b67f09SDavid van Moolenbroek *
10*00b67f09SDavid van Moolenbroek * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
11*00b67f09SDavid van Moolenbroek * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
12*00b67f09SDavid van Moolenbroek * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
13*00b67f09SDavid van Moolenbroek * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
14*00b67f09SDavid van Moolenbroek * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
15*00b67f09SDavid van Moolenbroek * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16*00b67f09SDavid van Moolenbroek * PERFORMANCE OF THIS SOFTWARE.
17*00b67f09SDavid van Moolenbroek */
18*00b67f09SDavid van Moolenbroek
19*00b67f09SDavid van Moolenbroek #include <config.h>
20*00b67f09SDavid van Moolenbroek
21*00b67f09SDavid van Moolenbroek #include <unistd.h>
22*00b67f09SDavid van Moolenbroek #include <stdio.h>
23*00b67f09SDavid van Moolenbroek #include <stdlib.h>
24*00b67f09SDavid van Moolenbroek
25*00b67f09SDavid van Moolenbroek #include <isc/util.h>
26*00b67f09SDavid van Moolenbroek
27*00b67f09SDavid van Moolenbroek #ifndef MAXHOSTNAMELEN
28*00b67f09SDavid van Moolenbroek #ifdef HOST_NAME_MAX
29*00b67f09SDavid van Moolenbroek #define MAXHOSTNAMELEN HOST_NAME_MAX
30*00b67f09SDavid van Moolenbroek #else
31*00b67f09SDavid van Moolenbroek #define MAXHOSTNAMELEN 256
32*00b67f09SDavid van Moolenbroek #endif
33*00b67f09SDavid van Moolenbroek #endif
34*00b67f09SDavid van Moolenbroek
35*00b67f09SDavid van Moolenbroek int
main(int argc,char ** argv)36*00b67f09SDavid van Moolenbroek main(int argc, char **argv) {
37*00b67f09SDavid van Moolenbroek char hostname[MAXHOSTNAMELEN];
38*00b67f09SDavid van Moolenbroek int n;
39*00b67f09SDavid van Moolenbroek
40*00b67f09SDavid van Moolenbroek UNUSED(argc);
41*00b67f09SDavid van Moolenbroek UNUSED(argv);
42*00b67f09SDavid van Moolenbroek
43*00b67f09SDavid van Moolenbroek n = gethostname(hostname, sizeof(hostname));
44*00b67f09SDavid van Moolenbroek if (n == -1) {
45*00b67f09SDavid van Moolenbroek perror("gethostname");
46*00b67f09SDavid van Moolenbroek exit(1);
47*00b67f09SDavid van Moolenbroek }
48*00b67f09SDavid van Moolenbroek fprintf(stdout, "%s\n", hostname);
49*00b67f09SDavid van Moolenbroek return (0);
50*00b67f09SDavid van Moolenbroek }
51