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/* See LICENSE file for copyright and license details. */
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include "util.h"
static void
usage(void)
{
eprintf("usage: %s [name]\n", argv0);
}
int
main(int argc, char *argv[])
{
char host[HOST_NAME_MAX + 1];
ARGBEGIN {
default:
usage();
} ARGEND
if (!argc) {
if (gethostname(host, sizeof(host)) < 0)
eprintf("gethostname:");
puts(host);
} else if (argc == 1) {
if (sethostname(argv[0], strlen(argv[0])) < 0)
eprintf("sethostname:");
} else {
usage();
}
return fshut(stdout, "<stdout>");
}