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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.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
* -or-
* see COPYING.ASL20 in the source distribution
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.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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