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sbase/hostname.c
2013-10-07 16:44:22 +01:00

35 lines
538 B
C

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