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/*
* Copyright (c) 2014 Red Hat.
* Copyright (c) 1995-2002 Silicon Graphics, Inc. All Rights Reserved.
*
* This program 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 2 of the License, or (at your
* option) any later version.
*
* This program 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.
*/
#include "pmapi.h"
#include "impl.h"
static pmLongOptions longopts[] = {
PMAPI_OPTIONS_HEADER("Options"),
PMOPT_DEBUG,
PMOPT_HELP,
PMAPI_OPTIONS_END
};
static pmOptions opts = {
.short_options = "D:?",
.long_options = longopts,
.short_usage = "[hostname]",
};
int
main(int argc, char **argv)
{
char *name, *hename;
char host[MAXHOSTNAMELEN];
__pmHostEnt *hep;
while (pmGetOptions(argc, argv, &opts) != EOF)
opts.errors++;
if (opts.errors || argc > opts.optind + 1) {
pmUsageMessage(&opts);
exit(1);
}
if (argc == opts.optind) {
if (gethostname(host, MAXHOSTNAMELEN) < 0) {
fprintf(stderr, "%s: gethostname failure\n", pmProgname);
exit(1);
}
name = host;
}
else
name = argv[opts.optind];
hep = __pmGetAddrInfo(name);
if (hep == NULL) {
printf("%s\n", name);
}
else {
hename = __pmHostEntGetName(hep);
printf("%s\n", hename ? hename : name);
}
exit(0);
}
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