--- netdb.c.orig 2012-02-23 10:57:12.781250000 +0100 +++ netdb.c 2012-03-20 14:51:00.468750000 +0100 @@ -49,7 +49,7 @@ /** helper struct for gethostbyname_r to access the char* buffer */ struct gethostbyname_r_helper { - ip_addr_t *addrs; + ip_addr_t *addr_list[2]; ip_addr_t addr; char *aliases; }; @@ -180,7 +180,7 @@ } /* first thing to do: set *result to nothing */ *result = NULL; - if ((name == NULL) || (ret == NULL) || (buf == 0)) { + if ((name == NULL) || (ret == NULL) || (buf == NULL)) { /* not all arguments given */ *h_errnop = EINVAL; return -1; @@ -197,7 +197,7 @@ hostname = ((char*)h) + sizeof(struct gethostbyname_r_helper); /* query host IP address */ - err = netconn_gethostbyname(name, &(h->addr)); + err = netconn_gethostbyname(name, &h->addr); if (err != ERR_OK) { LWIP_DEBUGF(DNS_DEBUG, ("lwip_gethostbyname(%s) failed, err=%d\n", name, err)); *h_errnop = HOST_NOT_FOUND; @@ -209,13 +209,14 @@ hostname[namelen] = 0; /* fill hostent */ - h->addrs = &(h->addr); + h->addr_list[0] = &h->addr; + h->addr_list[1] = NULL; h->aliases = NULL; - ret->h_name = (char*)hostname; - ret->h_aliases = &(h->aliases); + ret->h_name = hostname; + ret->h_aliases = &h->aliases; ret->h_addrtype = AF_INET; ret->h_length = sizeof(ip_addr_t); - ret->h_addr_list = (char**)&(h->addrs); + ret->h_addr_list = (char **)&h->addr_list; /* set result != NULL */ *result = ret;