int socks_connect()

in regress/netcat.c [1380:1411]

• 29 lines of code
• 6 McCabe index (conditional complexity)

int	socks_connect(const char *, const char *, struct addrinfo,
	    const char *, const char *, struct addrinfo, int,
	    const char *);

static int
decode_addrport(const char *h, const char *p, struct sockaddr *addr,
    socklen_t addrlen, int v4only, int numeric)
{
	int r;
	struct addrinfo hints, *res;

	bzero(&hints, sizeof(hints));
	hints.ai_family = v4only ? PF_INET : PF_UNSPEC;
	hints.ai_flags = numeric ? AI_NUMERICHOST : 0;
	hints.ai_socktype = SOCK_STREAM;
	r = getaddrinfo(h, p, &hints, &res);
	/* Don't fatal when attempting to convert a numeric address */
	if (r != 0) {
		if (!numeric) {
			errx(1, "getaddrinfo(\"%.64s\", \"%.64s\"): %s", h, p,
			    gai_strerror(r));
		}
		return (-1);
	}
	if (addrlen < res->ai_addrlen) {
		freeaddrinfo(res);
		errx(1, "internal error: addrlen < res->ai_addrlen");
	}
	memcpy(addr, res->ai_addr, res->ai_addrlen);
	freeaddrinfo(res);
	return (0);
}