src/basic/hostname-util.h

   1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
   2
   3 #pragma once
   4
   5 /***
   6   This file is part of systemd.
   7
   8   Copyright 2010-2015 Lennart Poettering
   9
  10   systemd is free software; you can redistribute it and/or modify it
  11   under the terms of the GNU Lesser General Public License as published by
  12   the Free Software Foundation; either version 2.1 of the License, or
  13   (at your option) any later version.
  14
  15   systemd is distributed in the hope that it will be useful, but
  16   WITHOUT ANY WARRANTY; without even the implied warranty of
  17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18   Lesser General Public License for more details.
  19
  20   You should have received a copy of the GNU Lesser General Public License
  21   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  22 ***/
  23
  24 #include <stdbool.h>
  25
  26 #include "macro.h"
  27
  28 bool hostname_is_set(void);
  29
  30 char* gethostname_malloc(void);
  31
  32 bool hostname_is_valid(const char *s, bool allow_trailing_dot) _pure_;
  33 char* hostname_cleanup(char *s);
  34
  35 #define machine_name_is_valid(s) hostname_is_valid(s, false)
  36
  37 bool is_localhost(const char *hostname);
  38 bool is_gateway_hostname(const char *hostname);
  39
  40 int sethostname_idempotent(const char *s);
  41
  42 int read_hostname_config(const char *path, char **hostname);