7 This file is part of avahi.
9 avahi is free software; you can redistribute it and/or modify it
10 under the terms of the GNU Lesser General Public License as
11 published by the Free Software Foundation; either version 2.1 of the
12 License, or (at your option) any later version.
14 avahi is distributed in the hope that it will be useful, but WITHOUT
15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
17 Public License for more details.
19 You should have received a copy of the GNU Lesser General Public
20 License along with avahi; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
25 /** \file domain.h Domain name handling functions */
29 #include <sys/types.h>
31 #include <avahi-common/cdecl.h>
35 /** Normalize a domain name into canonical form. This drops trailing
36 * dots and removes useless backslash escapes. avahi_free() the
38 char *avahi_normalize_name(const char *s);
40 /** Return the local host name. avahi_free() the result! */
41 char *avahi_get_host_name(void);
43 /** Return 1 when the specified domain names are equal, 0 otherwise */
44 int avahi_domain_equal(const char *a, const char *b);
46 /** Do a binary comparison of to specified domain names, return -1, 0, or 1, depending on the order. */
47 int avahi_binary_domain_cmp(const char *a, const char *b);
49 /** Read the first label from the textual domain name *name, unescape
50 * it and write it to dest, *name is changed to point to the next label*/
51 char *avahi_unescape_label(const char **name, char *dest, size_t size);
53 /** Escape the domain name in *src and write it to *ret_name */
54 char *avahi_escape_label(const uint8_t* src, size_t src_length, char **ret_name, size_t *ret_size);
56 /** Return 1 when the specified string contains a valid service type, 0 otherwise */
57 int avahi_is_valid_service_type(const char *t);
59 /** Return 1 when the specified string contains a valid domain name, 0 otherwise */
60 int avahi_is_valid_domain_name(const char *t);
62 /** Return 1 when the specified string contains a valid service name, 0 otherwise */
63 int avahi_is_valid_service_name(const char *t);
65 /** Return 1 when the specified string contains a valid non-FQDN host name (i.e. without dots), 0 otherwise */
66 int avahi_is_valid_host_name(const char *t);