| /* Copyright (C) 1991-2014 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <unistd.h> |
| #include <hurd.h> |
| #include "hurdhost.h" |
| |
| /* Return the current machine's Internet number. */ |
| long int |
| gethostid (void) |
| { |
| /* The hostid is just the contents of the file /etc/hostid, |
| kept as text of hexadecimal digits. */ |
| /* XXX this is supposed to come from the hardware serial number */ |
| char buf[8]; |
| ssize_t n = _hurd_get_host_config ("/etc/hostid", buf, sizeof buf); |
| if (n < 0) |
| return -1; |
| return strtol (buf, NULL, 16); |
| } |
