[svn] Updated IPv6 code.

[wget] / src / host.h

diff --git a/src/host.h b/src/host.h
index 0f20396c6e91924e50bda95667df3b5a0ce2b84a..d2293dacfae079e88197e24bfb1f22cd322a1cf3 100644 (file)
--- a/src/host.h
+++ b/src/host.h
@@ -1,12 +1,12 @@
 /* Declarations for host.c
-   Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 2001 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
-(at your option) any later version.
+ (at your option) any later version.
 
 GNU Wget is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -15,27 +15,112 @@ 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.  */
+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.  */
 
 #ifndef HOST_H
 #define HOST_H
 
-struct urlinfo;
+#ifdef WINDOWS
+# include <winsock.h>
+#else
+# include <netdb.h>
+# include <sys/socket.h>
+# include <netinet/in.h>
+#ifndef __BEOS__
+# include <arpa/inet.h>
+#endif
+#endif
+
+struct url;
+struct address_list;
+
+extern int ip_default_family;  /* defined in host.c */
+
+/* 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 data union: ipv6 contains IPv6-related data (address and
+     scope), and ipv4 contains IPv4 address.  */
+  union {
+#ifdef ENABLE_IPV6
+    struct {
+      struct in6_addr addr;
+#ifdef HAVE_SOCKADDR_IN6_SCOPE_ID
+      unsigned int scope_id;
+#endif /* HAVE_SOCKADDR_IN6_SCOPE_ID */
+    } 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 clunky.  Hence the accessors.  */
+
+#define ADDRESS_IPV6_IN6_ADDR(x) ((x)->u.ipv6.addr)
+#define ADDRESS_IPV6_DATA(x) ((void *)&(x)->u.ipv6.addr.s6_addr)
+#define ADDRESS_IPV6_SCOPE(x) ((x)->u.ipv6.scope_id)
+
+#define ADDRESS_IPV4_IN_ADDR(x) ((x)->u.ipv4.addr)
+#define ADDRESS_IPV4_DATA(x) ((void *)&(x)->u.ipv4.addr.s_addr)
+
+#ifndef ENABLE_IPV6
+# ifndef HAVE_SOCKADDR_STORAGE
+#  define sockaddr_storage sockaddr_in
+# endif
+#endif /* ENABLE_IPV6 */
+
+/* Flags for lookup_host */
+#define LH_SILENT    0x0001
+#define LH_PASSIVE   0x0002
+#define LH_IPV4_ONLY 0x0004
+#define LH_IPV6_ONLY 0x0008
 
 /* Function declarations */
+struct address_list *lookup_host PARAMS ((const char *, int));
+char *herrmsg PARAMS ((int));
 
-struct hostent *ngethostbyname PARAMS ((const char *));
-int store_hostaddress PARAMS ((unsigned char *, const char *));
+void address_list_get_bounds PARAMS ((const struct address_list *,
+                                     int *, int *));
+void address_list_copy_one PARAMS ((const struct address_list *, int,
+                                   ip_address *));
+int address_list_match_all PARAMS ((const struct address_list *,
+                                   const struct address_list *));
+void address_list_set_faulty PARAMS ((struct address_list *, int));
+void address_list_release PARAMS ((struct address_list *));
 
-void clean_hosts PARAMS ((void));
+const char *pretty_print_address PARAMS ((const ip_address *));
 
-char *realhost PARAMS ((const char *));
-int same_host PARAMS ((const char *, const char *));
-int accept_domain PARAMS ((struct urlinfo *));
+int accept_domain PARAMS ((struct url *));
 int sufmatch PARAMS ((const char **, const char *));
 
-char *ftp_getaddress PARAMS ((void));
+void sockaddr_set_address PARAMS ((struct sockaddr *, unsigned short,
+                                  const ip_address *));
+void sockaddr_get_address PARAMS ((const struct sockaddr *, unsigned short *,
+                                  ip_address *));
+unsigned short sockaddr_get_port PARAMS ((const struct sockaddr *));
+socklen_t sockaddr_len PARAMS ((const struct sockaddr *sa));
 
-char *herrmsg PARAMS ((int));
+void host_cleanup PARAMS ((void));
 
 #endif /* HOST_H */