43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
|
/* Copyright (C) 1993-2022 Free Software Foundation, Inc.
|
||
|
|
This file is part of the GNU C Library.
|
||
|
|
|
||
|
|
The GNU C Library is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Lesser General Public
|
||
|
|
License as published by the Free Software Foundation; either
|
||
|
|
version 2.1 of the License, or (at your option) any later version.
|
||
|
|
|
||
|
|
The GNU C Library 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
|
||
|
|
Lesser General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Lesser General Public
|
||
|
|
License along with the GNU C Library; if not, see
|
||
|
|
<https://www.gnu.org/licenses/>. */
|
||
|
|
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <hurd.h>
|
||
|
|
#include "hurdhost.h"
|
||
|
|
#include <_itoa.h>
|
||
|
|
|
||
|
|
/* Set the current machine's Internet number to ID.
|
||
|
|
This call is restricted to the super-user. */
|
||
|
|
/* XXX should be __sethostid?
|
||
|
|
isn't hostid supposed to be hardwired and unchangeable? */
|
||
|
|
int
|
||
|
|
sethostid (long int id)
|
||
|
|
{
|
||
|
|
char buf[8], *bp;
|
||
|
|
ssize_t n;
|
||
|
|
|
||
|
|
/* The hostid is kept in the file /etc/hostid,
|
||
|
|
eight characters of upper-case hexadecimal. */
|
||
|
|
|
||
|
|
bp = _itoa_word (id, &buf[sizeof buf], 16, 1);
|
||
|
|
while (bp > buf)
|
||
|
|
*--bp = '0';
|
||
|
|
|
||
|
|
n = _hurd_set_host_config ("/etc/hostid", buf, sizeof buf);
|
||
|
|
return n < 0 ? -1 : 0;
|
||
|
|
}
|