Function mk_net

ip_addr.c:43–77

__thread char _ip_addr_A_buffs[IP_ADDR2STR_BUF_NO][IP_ADDR_MAX_STR_SIZE];

struct net* mk_net(const struct ip_addr* ip, struct ip_addr* mask)
{
	struct net* n;
	int warning;
	unsigned int r;

	warning=0;
	if ((ip->af != mask->af) || (ip->len != mask->len)){
		LM_CRIT("trying to use a different mask family"
				" (eg. ipv4/ipv6mask or ipv6/ipv4mask)\n");
		goto error;
	}
	n=(struct net*)pkg_malloc(sizeof(struct net));
	if (n==0){
		LM_CRIT("memory allocation failure\n");
		goto error;
	}
	n->ip=*ip;
	n->mask=*mask;
	for (r=0; r<n->ip.len/4; r++) { /*ipv4 & ipv6 addresses are multiple of 4*/
		n->ip.u.addr32[r] &= n->mask.u.addr32[r];
		if (n->ip.u.addr32[r]!=ip->u.addr32[r]) warning=1;
	};
	if (warning){
		LM_WARN("invalid network address/netmask "
					"combination fixed...\n");
		print_ip("original network address:", ip, "/");
		print_ip("", mask, "\n");
		print_ip("fixed    network address:", &(n->ip), "/");
		print_ip("", &(n->mask), "\n");
	};
	return n;
error:
	return 0;
}