Import patch ipxfrm-20040707_2.diff

(Logical change 1.53)
diff --git a/include/libnetlink.h b/include/libnetlink.h
index 45d3ad2..3ff0dfc 100644
--- a/include/libnetlink.h
+++ b/include/libnetlink.h
@@ -15,6 +15,7 @@
 };
 
 extern int rtnl_open(struct rtnl_handle *rth, unsigned subscriptions);
+extern int rtnl_open_byproto(struct rtnl_handle *rth, unsigned subscriptions, int protocol);
 extern void rtnl_close(struct rtnl_handle *rth);
 extern int rtnl_wilddump_request(struct rtnl_handle *rth, int fam, int type);
 extern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len);
@@ -36,6 +37,7 @@
 extern int rta_addattr_l(struct rtattr *rta, int maxlen, int type, void *data, int alen);
 
 extern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len);
+extern int parse_rtattr_byindex(struct rtattr *tb[], int max, struct rtattr *rta, int len);
 
 extern int rtnl_listen(struct rtnl_handle *, int (*handler)(struct sockaddr_nl *,struct nlmsghdr *n, void *),
 		       void *jarg);
diff --git a/include/utils.h b/include/utils.h
index d6db809..66bcf0f 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -22,6 +22,9 @@
 #ifndef IPPROTO_AH
 #define IPPROTO_AH	51
 #endif
+#ifndef IPPROTO_COMP
+#define IPPROTO_COMP	108
+#endif
 
 #define SPRINT_BSIZE 64
 #define SPRINT_BUF(x)	char x[SPRINT_BSIZE]
@@ -29,6 +32,8 @@
 extern void incomplete_command(void) __attribute__((noreturn));
 
 #define NEXT_ARG() do { argv++; if (--argc <= 0) incomplete_command(); } while(0)
+#define NEXT_ARG_OK() (argc - 1 > 0)
+#define PREV_ARG() do { argv--; argc++; } while(0)
 
 typedef struct
 {
@@ -56,17 +61,18 @@
 	u_int8_t  ipx_node[IPX_NODE_LEN];
 };
 
-extern __u32 get_addr32(char *name);
+extern __u32 get_addr32(const char *name);
 extern int get_addr_1(inet_prefix *dst, const char *arg, int family);
-extern int get_prefix_1(inet_prefix *dst, char *arg, int family);
-extern int get_addr(inet_prefix *dst, char *arg, int family);
-extern int get_prefix(inet_prefix *dst, char *arg, int family);
+extern int get_prefix_1(inet_prefix *dst, const char *arg, int family);
+extern int get_addr(inet_prefix *dst, const char *arg, int family);
+extern int get_prefix(inet_prefix *dst, const char *arg, int family);
 
 extern int get_integer(int *val, const char *arg, int base);
 extern int get_unsigned(unsigned *val, const char *arg, int base);
 #define get_byte get_u8
 #define get_ushort get_u16
 #define get_short get_s16
+extern int get_u64(__u64 *val, const char *arg, int base);
 extern int get_u32(__u32 *val, const char *arg, int base);
 extern int get_u16(__u16 *val, const char *arg, int base);
 extern int get_s16(__s16 *val, const char *arg, int base);
@@ -81,6 +87,7 @@
 extern const char *rt_addr_n2a(int af, int len, const void *addr, 
 			       char *buf, int buflen);
 
+void missarg(const char *) __attribute__((noreturn));
 void invarg(const char *, const char *) __attribute__((noreturn));
 void duparg(const char *, const char *) __attribute__((noreturn));
 void duparg2(const char *, const char *) __attribute__((noreturn));