/* Declarations for host.c
- Copyright (C) 1995, 1996, 1997, 2001 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+ 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation,
+ Inc.
This file is part of GNU Wget.
GNU Wget is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
GNU Wget is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with Wget; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-In addition, as a special exception, the Free Software Foundation
-gives permission to link the code of its release of Wget with the
-OpenSSL project's "OpenSSL" library (or with modified versions of it
-that use the same license as the "OpenSSL" library), and distribute
-the linked executables. You must obey the GNU General Public License
-in all respects for all of the code used other than "OpenSSL". If you
-modify this file, you may extend this exception to your version of the
-file, but you are not obligated to do so. If you do not wish to do
-so, delete this exception statement from your version. */
+along with Wget. If not, see <http://www.gnu.org/licenses/>.
+
+Additional permission under GNU GPL version 3 section 7
+
+If you modify this program, or any covered work, by linking or
+combining it with the OpenSSL project's OpenSSL library (or a
+modified version of that library), containing parts covered by the
+terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
+grants you additional permission to convey the resulting work.
+Corresponding Source for a non-source form of such a combination
+shall include the source code for the parts of OpenSSL used as well
+as that of the covered work. */
#ifndef HOST_H
#define HOST_H
#ifdef WINDOWS
-# include <winsock.h>
+# include <winsock2.h>
#else
-# include <netdb.h>
+# ifdef __VMS
+# include "vms_ip.h"
+# else /* def __VMS */
+# include <netdb.h>
+# endif /* def __VMS [else] */
# include <sys/socket.h>
# include <netinet/in.h>
#ifndef __BEOS__
/* This struct defines an IP address, tagged with family type. */
typedef struct {
- /* Address type. */
- enum {
- IPV4_ADDRESS,
-#ifdef ENABLE_IPV6
- IPV6_ADDRESS
-#endif /* ENABLE_IPV6 */
- } type;
+ /* Address family, one of AF_INET or AF_INET6. */
+ int family;
- /* Address data union: ipv6 contains IPv6-related data (address and
- scope), and ipv4 contains the IPv4 address. */
+ /* The actual data, in the form of struct in_addr or in6_addr: */
union {
+ struct in_addr d4; /* IPv4 address */
#ifdef ENABLE_IPV6
- struct {
- struct in6_addr addr;
-# ifdef HAVE_SOCKADDR_IN6_SCOPE_ID
- unsigned int scope_id;
-# endif
- } ipv6;
-#endif /* ENABLE_IPV6 */
- struct {
- struct in_addr addr;
- } ipv4;
- } u;
-} ip_address;
-
-/* Because C doesn't support anonymous unions, access to ip_address
- elements is unwieldy. Hence the accessors.
-
- The _ADDR accessors return the address as the struct in_addr or
- in6_addr. The _DATA accessor returns a pointer to the address data
- -- pretty much the same as the above, but cast to void*. The
- _SCOPE accessor returns the address's scope_id, and makes sense
- only when IPv6 and HAVE_SOCKADDR_IN6_SCOPE_ID are both defined. */
+ struct in6_addr d6; /* IPv6 address */
+#endif
+ } data;
-#define ADDRESS_IPV4_IN_ADDR(x) ((x)->u.ipv4.addr)
-/* Don't use &x->u.ipv4.addr.s_addr because it can be #defined to a
- bitfield, which you can't take an address of. */
-#define ADDRESS_IPV4_DATA(x) ((void *)&(x)->u.ipv4.addr)
+ /* Under IPv6 getaddrinfo also returns scope_id. Since it's
+ IPv6-specific it strictly belongs in the above union, but we put
+ it here for simplicity. */
+#if defined ENABLE_IPV6 && defined HAVE_SOCKADDR_IN6_SCOPE_ID
+ int ipv6_scope;
+#endif
+} ip_address;
-#define ADDRESS_IPV6_IN6_ADDR(x) ((x)->u.ipv6.addr)
-#define ADDRESS_IPV6_DATA(x) ((void *)&(x)->u.ipv6.addr)
-#define ADDRESS_IPV6_SCOPE(x) ((x)->u.ipv6.scope_id)
+/* IP_INADDR_DATA macro returns a void pointer that can be interpreted
+ as a pointer to struct in_addr in IPv4 context or a pointer to
+ struct in6_addr in IPv4 context. This pointer can be passed to
+ functions that work on either, such as inet_ntop. */
+#define IP_INADDR_DATA(x) ((void *) &(x)->data)
enum {
LH_SILENT = 1,
LH_BIND = 2,
LH_REFRESH = 4
};
-struct address_list *lookup_host PARAMS ((const char *, int));
+struct address_list *lookup_host (const char *, int);
-void address_list_get_bounds PARAMS ((const struct address_list *,
- int *, int *));
-const ip_address *address_list_address_at PARAMS ((const struct address_list *,
- int));
-int address_list_contains PARAMS ((const struct address_list *, const ip_address *));
-void address_list_set_faulty PARAMS ((struct address_list *, int));
-void address_list_set_connected PARAMS ((struct address_list *));
-int address_list_connected_p PARAMS ((const struct address_list *));
-void address_list_release PARAMS ((struct address_list *));
+void address_list_get_bounds (const struct address_list *, int *, int *);
+const ip_address *address_list_address_at (const struct address_list *, int);
+bool address_list_contains (const struct address_list *, const ip_address *);
+void address_list_set_faulty (struct address_list *, int);
+void address_list_set_connected (struct address_list *);
+bool address_list_connected_p (const struct address_list *);
+void address_list_release (struct address_list *);
+
+const char *print_address (const ip_address *);
+#ifdef ENABLE_IPV6
+bool is_valid_ipv6_address (const char *, const char *);
+#endif
-const char *pretty_print_address PARAMS ((const ip_address *));
+bool is_valid_ip_address (const char *name);
-int accept_domain PARAMS ((struct url *));
-int sufmatch PARAMS ((const char **, const char *));
+bool accept_domain (struct url *);
+bool sufmatch (const char **, const char *);
-void host_cleanup PARAMS ((void));
+void host_cleanup (void);
#endif /* HOST_H */
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