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/* gethostn - a small diagnostic utility to show what the
* gethostname() API returns. Of course, this tool duplicates
* functionality already found in other tools. But the point is
* that the API shall be called by a program that is compiled like
* rsyslogd and does exactly what rsyslog does.
*
* Copyright 2008 Rainer Gerhards and Adiscon GmbH.
*
* This file is part of rsyslog.
*
* Rsyslog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rsyslog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Rsyslog. If not, see <http://www.gnu.org/licenses/>.
*
* A copy of the GPL can be found in the file "COPYING" in this distribution.
*/
#include "config.h"
#include <stdio.h>
#include <unistd.h>
int main(int __attribute__((unused)) argc, char __attribute__((unused)) *argv[])
{
char hostname[4096]; /* this should always be sufficient ;) */
int err;
err = gethostname(hostname, sizeof(hostname));
if(err) {
perror("gethostname failed");
exit(1);
}
printf("hostname of this system is '%s'.\n", hostname);
return 0;
}
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