Lines Matching refs:NULL

192  * @return struct lwip_sock for the socket or NULL if not found
202     return NULL;
210     return NULL;
220  * @return struct lwip_sock for the socket or NULL if not found
226     return NULL;
229     return NULL;
257       sockets[i].lastdata   = NULL;
286   sock->lastdata   = NULL;
292   sock->conn       = NULL;
296   if (lastdata != NULL) {
346   LWIP_ASSERT("newconn != NULL", newconn != NULL);
359   /* Note that POSIX only requires us to check addr is non-NULL. addrlen must
360    * not be NULL if addr is valid.
362   if (NULL != addr) {
363     LWIP_ASSERT("addr valid but addrlen NULL", addrlen != NULL);
457   if(sock->conn != NULL) {
460     LWIP_ASSERT("sock->lastdata == NULL", sock->lastdata == NULL);
561   void             *buf = NULL;
616         LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom(%d): buf == NULL, error is \"%s\"!\n",
625       LWIP_ASSERT("buf != NULL", buf != NULL);
721         sock->lastdata = NULL;
744   return lwip_recvfrom(s, mem, len, 0, NULL, NULL);
750   return lwip_recvfrom(s, mem, len, flags, NULL, NULL);
771     return lwip_sendto(s, data, size, flags, NULL, 0);
820   LWIP_ERROR("lwip_sendto: invalid address", (((to == NULL) && (tolen == 0)) ||
834     if (p != NULL) {
844     if (p != NULL) {
848       if (to_in != NULL) {
896   buf.p = buf.ptr = NULL;
918   if (netbuf_alloc(&buf, short_size) == NULL) {
972     if (conn != NULL) {
1041     void* lastdata = NULL;
1048     if (sock != NULL) {
1057     if (readset_in && FD_ISSET(i, readset_in) && ((lastdata != NULL) || (rcvevent > 0))) {
1123     select_cb.next = NULL;
1124     select_cb.prev = NULL;
1141     if (select_cb_list != NULL) {
1157         LWIP_ASSERT("sock != NULL", sock != NULL);
1189         LWIP_ASSERT("sock != NULL", sock != NULL);
1198     if (select_cb.next != NULL) {
1202       LWIP_ASSERT("select_cb.prev == NULL", select_cb.prev == NULL);
1205       LWIP_ASSERT("select_cb.prev != NULL", select_cb.prev != NULL);
1322   for (scb = select_cb_list; scb != NULL; scb = scb->next) {
1380   if (sock->conn != NULL) {
1465   if ((NULL == optval) || (NULL == optlen)) {
1665   LWIP_ASSERT("arg != NULL", arg != NULL);
1873   if (NULL == optval) {
2082   LWIP_ASSERT("arg != NULL", arg != NULL);