1 /* Useful functions for dealing with collections of IP addresses */
23 int32_t l; /* Number of entries in list */
24 int32_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, int len);
32 static inline bool_t subnet_match(struct subnet s, uint32_t address)
34 return (s.prefix==(address&s.mask));
37 extern struct ipset *ipset_new(void);
38 extern void ipset_free(struct ipset *a);
39 extern struct ipset *ipset_from_subnet(struct subnet s);
40 extern struct ipset *ipset_from_subnet_list(struct subnet_list *l);
41 extern struct ipset *ipset_union(struct ipset *a, struct ipset *b);
42 extern struct ipset *ipset_intersection(struct ipset *a, struct ipset *b);
43 extern struct ipset *ipset_complement(struct ipset *a);
44 extern struct ipset *ipset_subtract(struct ipset *a, struct ipset *b);
45 extern bool_t ipset_is_empty(struct ipset *a);
46 extern bool_t ipset_contains_addr(struct ipset *a, uint32_t addr);
47 extern bool_t ipset_is_subset(struct ipset *super, struct ipset *sub);
48 extern struct subnet_list *ipset_to_subnet_list(struct ipset *is);
50 extern string_t ipaddr_to_string(uint32_t addr);
51 extern string_t subnet_to_string(struct subnet sn);
53 extern struct ipset *string_list_to_ipset(list_t *l,struct cloc loc,
54 cstring_t module, cstring_t param);
56 extern uint32_t string_item_to_ipaddr(const item_t *i, cstring_t desc);