/* 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.
#ifndef HOST_H
#define HOST_H
+#include <netdb.h>
+
+#undef INET6
+
struct url;
+struct address_list;
+
+/* wget_sockaddr is used instead of sockaddr where an IPV6 address
+ must fit. */
+
+typedef union {
+ struct sockaddr sa; /* Generic but too small */
+ struct sockaddr_in sin; /* IPv4 socket address */
+#ifdef INET6
+ struct sockaddr_in6 sin6; /* IPv6 socket address */
+#endif
+} wget_sockaddr;
+
+typedef struct {
+ unsigned char bytes[4];
+} ip4_address;
+
+/* If compiled with IPv6 support, we internally represent all IP
+ addresses as IPv6 addresses. IPv4 addresses are dynamically mapped
+ to IPv6, i.e. stored in the format ::ffff:<Ipv4>. */
+
+#ifdef INET6
+# define MAX_IP_ADDRESS_SIZE 16
+#else
+# define MAX_IP_ADDRESS_SIZE 4
+#endif
+
+typedef struct {
+ unsigned char bytes[MAX_IP_ADDRESS_SIZE];
+} ip_address;
/* 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 ((struct address_list *, int *, int *));
+void address_list_copy_one PARAMS ((struct address_list *, int,
+ ip_address *));
+int address_list_match_all PARAMS ((struct address_list *,
+ 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));
+char *pretty_print_address PARAMS ((ip_address *));
-char *realhost PARAMS ((const char *));
-int same_host PARAMS ((const char *, const char *));
int accept_domain PARAMS ((struct url *));
int sufmatch PARAMS ((const char **, const char *));
-char *ftp_getaddress PARAMS ((void));
+void host_cleanup PARAMS ((void));
+
+void wget_sockaddr_set_address PARAMS((wget_sockaddr *, int,
+ unsigned short, ip_address *));
+void wget_sockaddr_set_port PARAMS((wget_sockaddr *, unsigned short));
+void *wget_sockaddr_get_addr PARAMS((wget_sockaddr *));
+unsigned short wget_sockaddr_get_port PARAMS((const wget_sockaddr *));
+int sockaddr_len PARAMS(());
+void map_ipv4_to_ip PARAMS((ip4_address *, ip_address *));
+int map_ip_to_ipv4 PARAMS((ip_address *, ip4_address *));
+
+extern int ip_default_family; /* defined in host.c */
-char *herrmsg PARAMS ((int));
#endif /* HOST_H */