Ejemplos de af_byte_len en C++ (Cpp)

Ejemplo n.º 1

Archivo: utils.c Proyecto: onestraw/ip-xfrm

const char *format_host(int af, int len, const void *addr,
			char *buf, int buflen)
{
#ifdef RESOLVE_HOSTNAMES
	if (resolve_hosts) {
		const char *n;

		len = len <= 0 ? af_byte_len(af) : len;

		if (len > 0 &&
		    (n = resolve_address(addr, len, af)) != NULL)
			return n;
	}
#endif
	return rt_addr_n2a(af, len, addr, buf, buflen);
}

Ejemplo n.º 2

Archivo: utils.c Proyecto: dtaht/tc-adv

static int __get_addr_1(inet_prefix *addr, const char *name, int family)
{
	memset(addr, 0, sizeof(*addr));

	if (strcmp(name, "default") == 0) {
		if ((family == AF_DECnet) || (family == AF_MPLS))
			return -1;
		addr->family = family;
		addr->bytelen = af_byte_len(addr->family);
		addr->bitlen = -2;
		addr->flags |= PREFIXLEN_SPECIFIED;
		return 0;
	}

	if (strcmp(name, "all") == 0 ||
	    strcmp(name, "any") == 0) {
		if ((family == AF_DECnet) || (family == AF_MPLS))
			return -1;
		addr->family = family;
		addr->bytelen = 0;
		addr->bitlen = -2;
		return 0;
	}

	if (family == AF_PACKET) {
		int len;

		len = ll_addr_a2n((char *) &addr->data, sizeof(addr->data),
				  name);
		if (len < 0)
			return -1;

		addr->family = AF_PACKET;
		addr->bytelen = len;
		addr->bitlen = len * 8;
		return 0;
	}

	if (strchr(name, ':')) {
		addr->family = AF_INET6;
		if (family != AF_UNSPEC && family != AF_INET6)
			return -1;
		if (inet_pton(AF_INET6, name, addr->data) <= 0)
			return -1;
		addr->bytelen = 16;
		addr->bitlen = -1;
		return 0;
	}

	if (family == AF_DECnet) {
		struct dn_naddr dna;

		addr->family = AF_DECnet;
		if (dnet_pton(AF_DECnet, name, &dna) <= 0)
			return -1;
		memcpy(addr->data, dna.a_addr, 2);
		addr->bytelen = 2;
		addr->bitlen = -1;
		return 0;
	}

	if (family == AF_MPLS) {
		unsigned int maxlabels;
		int i;

		addr->family = AF_MPLS;
		if (mpls_pton(AF_MPLS, name, addr->data,
			      sizeof(addr->data)) <= 0)
			return -1;
		addr->bytelen = 4;
		addr->bitlen = 20;
		/* How many bytes do I need? */
		maxlabels = sizeof(addr->data) / sizeof(struct mpls_label);
		for (i = 0; i < maxlabels; i++) {
			if (ntohl(addr->data[i]) & MPLS_LS_S_MASK) {
				addr->bytelen = (i + 1)*4;
				break;
			}
		}
		return 0;
	}

	addr->family = AF_INET;
	if (family != AF_UNSPEC && family != AF_INET)
		return -1;

	if (get_addr_ipv4((__u8 *)addr->data, name) <= 0)
		return -1;

	addr->bytelen = 4;
	addr->bitlen = -1;
	return 0;
}