1 /* Useful functions for dealing with collections of IP addresses */
23 uint32_t l; /* Number of entries in list */
24 uint32_t a; /* Allocated space in list */
28 extern struct subnet_list *subnet_list_new(void);
29 extern void subnet_list_free(struct subnet_list *a);
30 extern void subnet_list_append(struct subnet_list *a, uint32_t prefix,
33 static inline bool_t subnet_match(struct subnet s, uint32_t address)
35 return (s.prefix==(address&s.mask));
38 extern struct ipset *ipset_new(void);
39 extern void ipset_free(struct ipset *a);
40 extern struct ipset *ipset_from_subnet(struct subnet s);
41 extern struct ipset *ipset_from_subnet_list(struct subnet_list *l);
42 extern struct ipset *ipset_union(struct ipset *a, struct ipset *b);
43 extern struct ipset *ipset_intersection(struct ipset *a, struct ipset *b);
44 extern struct ipset *ipset_complement(struct ipset *a);
45 extern struct ipset *ipset_subtract(struct ipset *a, struct ipset *b);
46 extern bool_t ipset_is_empty(struct ipset *a);
47 extern bool_t ipset_contains_addr(struct ipset *a, uint32_t addr);
48 extern bool_t ipset_is_subset(struct ipset *super, struct ipset *sub);
49 extern struct subnet_list *ipset_to_subnet_list(struct ipset *is);
51 extern string_t ipaddr_to_string(uint32_t addr);
52 extern string_t subnet_to_string(struct subnet sn);
54 extern struct ipset *string_list_to_ipset(list_t *l,struct cloc loc,
55 string_t module,string_t param);
57 extern uint32_t string_item_to_ipaddr(item_t *i, string_t desc);