libnsl/nss/netdir_inet.c

101  * constant values of addresses for HOST_SELF_BIND, HOST_SELF_CONNECT
296 			 * no addresses because IP doesn't know how to specify
299 			 * the broadcast addresses are for any udp
419 			 * If the hostname is HOST_ANY, we return no addresses
570 			 * search will return the v4 addresses
571 			 * as v4mapped addresses.
737 		 * convert addresses back into sockaddr for gethostbyname.
784 		 * convert addresses back into servent for getservbyname.
1533  * Routines to order addresses based on local interfaces and netmasks,
1550 	struct __ifaddr	*addresses;
1561 #define	ifaf(index)	(localinfo->addresses[index].af)
1562 #define	ifaddr4(index)	(localinfo->addresses[index].addr.in4)
1563 #define	ifaddr6(index)	(localinfo->addresses[index].addr.in6)
1564 #define	ifmask4(index)	(localinfo->addresses[index].mask.in4)
1565 #define	ifmask6(index)	(localinfo->addresses[index].mask.in6)
1574 				&localinfo->addresses[index], type, \
1584  * Sort the addresses in haddrlist.  Since the sorting algorithms are
1588  * Do not sort addresses if SORT_ADDRS variable is set to NO or FALSE
1590  * the order of addresses returned by the nameserver needs to be
1607 	 * file.  We do not have to sort addresses in that case.
1619 	/* Count the addresses to sort */
1625 	 * If there's only one address or no addresses to sort, then
1645  * Move any local (on-link) addresses toward the beginning of haddrlist.
1731 	 * Classify the addresses.  We also maintain the classcount
1732 	 * array to keep track of the number of addresses in each
1759 	/* Now for the actual rearrangement of the addresses */
1802 	/* Copy the addresses back into in6addrlist */
1813  * Determine number of leading bits that are common between two addresses.
1835 	 * in the xor of the two addresses.
1869  * functions compare two addresses (described by two dstinforeq
1881  * addresses first on the list, "less than" is considered preferrable.
1887 /* Prefer the addresses that is reachable. */
2007 	 * At this point, the order doesn't matter if the two addresses
2025  * address comparisons.  It compares two addresses using a list of
2058  * nd_addrlist.  The new nd_addrlist maintains the order of the addresses
2061  * IPv4-mapped IPv6 addresses.
2080 		 * Exclude IPv4-mapped IPv6 addresses from the count, as
2226  * *** ASSUMES that nd_addrlist->n_addrs->buf contains IP addresses in
2247 	 * addresses themselves at the end of the buffer.
2606 	localinfo->addresses = (struct __ifaddr *)
2717  *  handle matching on IPv4 network addresses.
3023  * building addresses stored in the ifnet structure.
3046  * to determine if the addresses need to be sorted.