| | 1 | /* |
| | 2 | * This file is part of DisOrder |
| | 3 | * Copyright (C) 2007 Richard Kettlewell |
| | 4 | * |
| | 5 | * This program is free software: you can redistribute it and/or modify |
| | 6 | * it under the terms of the GNU General Public License as published by |
| | 7 | * the Free Software Foundation, either version 3 of the License, or |
| | 8 | * (at your option) any later version. |
| | 9 | * |
| | 10 | * This program is distributed in the hope that it will be useful, |
| | 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| | 13 | * GNU General Public License for more details. |
| | 14 | * |
| | 15 | * You should have received a copy of the GNU General Public License |
| | 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| | 17 | */ |
| | 18 | |
| | 19 | #include "common.h" |
| | 20 | |
| | 21 | #include <sys/utsname.h> |
| | 22 | #include <errno.h> |
| | 23 | #include <netdb.h> |
| | 24 | |
| | 25 | #include "mem.h" |
| | 26 | #include "hostname.h" |
| | 27 | #include "log.h" |
| | 28 | |
| | 29 | static const char *hostname; |
| | 30 | |
| | 31 | /** @brief Return the local hostname |
| | 32 | * @return Hostname |
| | 33 | */ |
| | 34 | const char *local_hostname(void) { |
| | 35 | if(!hostname) { |
| | 36 | struct utsname u; |
| | 37 | struct hostent *he; |
| | 38 | |
| | 39 | if(uname(&u) < 0) |
| | 40 | fatal(errno, "error calling uname"); |
| | 41 | if(!(he = gethostbyname(u.nodename))) |
| | 42 | fatal(0, "cannot resolve '%s'", u.nodename); |
| | 43 | hostname = xstrdup(he->h_name); |
| | 44 | } |
| | 45 | return hostname; |
| | 46 | } |
| | 47 | |
| | 48 | |
| | 49 | /* |
| | 50 | Local Variables: |
| | 51 | c-basic-offset:2 |
| | 52 | comment-column:40 |
| | 53 | fill-column:79 |
| | 54 | indent-tabs-mode:nil |
| | 55 | End: |
| | 56 | */ |
~mdw / disorder / blame_incremental