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6d7e8eda | 1 | /* Copyright (C) 1991-2023 Free Software Foundation, Inc. |
ebbad4cc | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
ebbad4cc | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
28f540f4 | 8 | |
ebbad4cc UD |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
28f540f4 | 17 | |
28f540f4 RM |
18 | #include <unistd.h> |
19 | #include <hurd.h> | |
5fbef188 | 20 | #include "hurdhost.h" |
28f540f4 RM |
21 | |
22 | /* Return the current machine's Internet number. */ | |
23 | long int | |
60d2f8f3 | 24 | gethostid (void) |
28f540f4 | 25 | { |
5fbef188 RM |
26 | /* The hostid is just the contents of the file /etc/hostid, |
27 | kept as text of hexadecimal digits. */ | |
ebbad4cc | 28 | /* XXX this is supposed to come from the hardware serial number */ |
5fbef188 RM |
29 | char buf[8]; |
30 | ssize_t n = _hurd_get_host_config ("/etc/hostid", buf, sizeof buf); | |
31 | if (n < 0) | |
32 | return -1; | |
33 | return strtol (buf, NULL, 16); | |
28f540f4 | 34 | } |