1 /* Declarations for host.c
2 Copyright (C) 1995, 1996, 1997, 2001 Free Software Foundation, Inc.
4 This file is part of GNU Wget.
6 GNU Wget is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 GNU Wget is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with Wget; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 In addition, as a special exception, the Free Software Foundation
21 gives permission to link the code of its release of Wget with the
22 OpenSSL project's "OpenSSL" library (or with modified versions of it
23 that use the same license as the "OpenSSL" library), and distribute
24 the linked executables. You must obey the GNU General Public License
25 in all respects for all of the code used other than "OpenSSL". If you
26 modify this file, you may extend this exception to your version of the
27 file, but you are not obligated to do so. If you do not wish to do
28 so, delete this exception statement from your version. */
37 # include <sys/socket.h>
38 # include <netinet/in.h>
40 # include <arpa/inet.h>
47 /* This struct defines an IP address, tagged with family type. */
55 #endif /* ENABLE_IPV6 */
58 /* Address data union: ipv6 contains IPv6-related data (address and
59 scope), and ipv4 contains the IPv4 address. */
64 # ifdef HAVE_SOCKADDR_IN6_SCOPE_ID
65 unsigned int scope_id;
68 #endif /* ENABLE_IPV6 */
75 /* Because C doesn't support anonymous unions, access to ip_address
76 elements is unwieldy. Hence the accessors.
78 The _ADDR accessors return the address as the struct in_addr or
79 in6_addr. The _DATA accessor returns a pointer to the address data
80 -- pretty much the same as the above, but cast to void*. The
81 _SCOPE accessor returns the address's scope_id, and makes sense
82 only when IPv6 and HAVE_SOCKADDR_IN6_SCOPE_ID are both defined. */
84 #define ADDRESS_IPV4_IN_ADDR(x) ((x)->u.ipv4.addr)
85 /* Don't use &x->u.ipv4.addr.s_addr because it can be #defined to a
86 bitfield, which you can't take an address of. */
87 #define ADDRESS_IPV4_DATA(x) ((void *)&(x)->u.ipv4.addr)
89 #define ADDRESS_IPV6_IN6_ADDR(x) ((x)->u.ipv6.addr)
90 #define ADDRESS_IPV6_DATA(x) ((void *)&(x)->u.ipv6.addr)
91 #define ADDRESS_IPV6_SCOPE(x) ((x)->u.ipv6.scope_id)
98 struct address_list *lookup_host (const char *, int);
100 void address_list_get_bounds (const struct address_list *, int *, int *);
101 const ip_address *address_list_address_at (const struct address_list *, int);
102 bool address_list_contains (const struct address_list *, const ip_address *);
103 void address_list_set_faulty (struct address_list *, int);
104 void address_list_set_connected (struct address_list *);
105 bool address_list_connected_p (const struct address_list *);
106 void address_list_release (struct address_list *);
108 const char *print_address (const ip_address *);
110 bool is_valid_ipv6_address (const char *, const char *);
113 bool accept_domain (struct url *);
114 bool sufmatch (const char **, const char *);
116 void host_cleanup (void);