bool in4_addr_is_localhost(const struct in_addr *a);
int in_addr_is_localhost(int family, const union in_addr_union *u);
+bool in4_addr_is_non_local(const struct in_addr *a);
+
int in_addr_equal(int family, const union in_addr_union *a, const union in_addr_union *b);
int in_addr_prefix_intersect(int family, const union in_addr_union *a, unsigned aprefixlen, const union in_addr_union *b, unsigned bprefixlen);
int in_addr_prefix_next(int family, union in_addr_union *u, unsigned prefixlen);
int in_addr_prefix_covers(int family, const union in_addr_union *prefix, unsigned char prefixlen, const union in_addr_union *address);
int in_addr_parse_prefixlen(int family, const char *p, unsigned char *ret);
int in_addr_prefix_from_string(const char *p, int family, union in_addr_union *ret_prefix, unsigned char *ret_prefixlen);
-int in_addr_prefix_from_string_auto(const char *p, int *ret_family, union in_addr_union *ret_prefix, unsigned char *ret_prefixlen);
+
+typedef enum InAddrPrefixLenMode {
+ PREFIXLEN_FULL, /* Default to prefixlen of address size, 32 for IPv4 or 128 for IPv6, if not specified. */
+ PREFIXLEN_REFUSE, /* Fail with -ENOANO if prefixlen is not specified. */
+ PREFIXLEN_LEGACY, /* Default to legacy default prefixlen calculation from address if not specified. */
+} InAddrPrefixLenMode;
+
+int in_addr_prefix_from_string_auto_internal(const char *p, InAddrPrefixLenMode mode, int *ret_family, union in_addr_union *ret_prefix, unsigned char *ret_prefixlen);
+static inline int in_addr_prefix_from_string_auto(const char *p, int *ret_family, union in_addr_union *ret_prefix, unsigned char *ret_prefixlen) {
+ return in_addr_prefix_from_string_auto_internal(p, PREFIXLEN_FULL, ret_family, ret_prefix, ret_prefixlen);
+}
static inline size_t FAMILY_ADDRESS_SIZE(int family) {
assert(IN_SET(family, AF_INET, AF_INET6));
return family == AF_INET6 ? 16 : 4;
}
-#define IN_ADDR_NULL ((union in_addr_union) {})
+/* Workaround for clang, explicitly specify the maximum-size element here.
+ * See also oss-fuzz#11344. */
+#define IN_ADDR_NULL ((union in_addr_union) { .in6 = {} })
-void in_addr_data_hash_func(const void *p, struct siphash *state);
-int in_addr_data_compare_func(const void *a, const void *b);
extern const struct hash_ops in_addr_data_hash_ops;