Function cleanup_xaddrs_gateway

lib/ff_route.c:180–232

}

static int
cleanup_xaddrs_gateway(struct rt_addrinfo *info)
{
    struct sockaddr *gw = info->rti_info[RTAX_GATEWAY];

    if (info->rti_flags & RTF_LLDATA)
        return (cleanup_xaddrs_lladdr(info));

    switch (gw->sa_family) {
    case AF_INET:
        {
            struct sockaddr_in *gw_sin = (struct sockaddr_in *)gw;
            if (gw_sin->sin_len < sizeof(struct sockaddr_in)) {
                printf("gw sin_len too small\n");
                return (EINVAL);
            }
            fill_sockaddr_inet(gw_sin, gw_sin->sin_addr);
        }
        break;
#ifdef INET6
    case AF_INET6:
        {
            struct sockaddr_in6 *gw_sin6 = (struct sockaddr_in6 *)gw;
            if (gw_sin6->sin6_len < sizeof(struct sockaddr_in6)) {
                printf("gw sin6_len too small\n");
                return (EINVAL);
            }
            fill_sockaddr_inet6(gw_sin6, &gw_sin6->sin6_addr, 0);
            break;
        }
#endif
    case AF_LINK:
        {
            struct sockaddr_dl_short *gw_sdl;

            gw_sdl = (struct sockaddr_dl_short *)gw;
            if (gw_sdl->sdl_len < sizeof(struct sockaddr_dl_short)) {
                printf("gw sdl_len too small\n");
                return (EINVAL);
            }

            const struct sockaddr_dl_short sdl = {
                .sdl_family = AF_LINK,
                .sdl_len = sizeof(struct sockaddr_dl_short),
                .sdl_index = gw_sdl->sdl_index,
            };
            *gw_sdl = sdl;
            break;
        }
    }

    return (0);
}

static void
remove_netmask(struct rt_addrinfo *info)