Lines Matching refs:NULL

65  *         NULL on memory error
74   if (conn != NULL) {
79       LWIP_ASSERT("freeing conn without freeing pcb", conn->pcb.tcp == NULL);
88       return NULL;
107   /* No ASSERT here because possible to get a (conn == NULL) if we got an accept error */
108   if (conn == NULL) {
140   LWIP_ERROR("netconn_getaddr: invalid conn", (conn != NULL), return ERR_ARG;);
141   LWIP_ERROR("netconn_getaddr: invalid addr", (addr != NULL), return ERR_ARG;);
142   LWIP_ERROR("netconn_getaddr: invalid port", (port != NULL), return ERR_ARG;);
171   LWIP_ERROR("netconn_bind: invalid conn", (conn != NULL), return ERR_ARG;);
197   LWIP_ERROR("netconn_connect: invalid conn", (conn != NULL), return ERR_ARG;);
222   LWIP_ERROR("netconn_disconnect: invalid conn", (conn != NULL), return ERR_ARG;);
250   LWIP_ERROR("netconn_listen: invalid conn", (conn != NULL), return ERR_ARG;);
286   LWIP_ERROR("netconn_accept: invalid pointer",    (new_conn != NULL),                  return ERR_ARG;);
287   *new_conn = NULL;
288   LWIP_ERROR("netconn_accept: invalid conn",       (conn != NULL),                      return ERR_ARG;);
309   if (newconn == NULL) {
344   void *buf = NULL;
351   LWIP_ERROR("netconn_recv: invalid pointer", (new_buf != NULL), return ERR_ARG;);
352   *new_buf = NULL;
353   LWIP_ERROR("netconn_recv: invalid conn",    (conn != NULL),    return ERR_ARG;);
379     if (!netconn_get_noautorecved(conn) || (buf == NULL)) {
385       if (buf != NULL) {
395     if (buf == NULL) {
409     LWIP_ASSERT("buf != NULL", buf != NULL);
439   LWIP_ERROR("netconn_recv: invalid conn", (conn != NULL) &&
457   struct netbuf *buf = NULL;
461   LWIP_ERROR("netconn_recv: invalid pointer", (new_buf != NULL), return ERR_ARG;);
462   *new_buf = NULL;
463   LWIP_ERROR("netconn_recv: invalid conn",    (conn != NULL),    return ERR_ARG;);
471     struct pbuf *p = NULL;
475     if (buf == NULL) {
485     LWIP_ASSERT("p != NULL", p != NULL);
520   if ((conn != NULL) && (conn->type == NETCONN_TCP) &&
551   if (buf != NULL) {
572   LWIP_ERROR("netconn_send: invalid conn",  (conn != NULL), return ERR_ARG;);
605   LWIP_ERROR("netconn_write: invalid conn",  (conn != NULL), return ERR_ARG;);
637   if ((err == ERR_OK) && (bytes_written != NULL)) {
668   LWIP_ERROR("netconn_close: invalid conn",  (conn != NULL), return ERR_ARG;);
727   LWIP_ERROR("netconn_join_leave_group: invalid conn",  (conn != NULL), return ERR_ARG;);
759   LWIP_ERROR("netconn_gethostbyname: invalid name", (name != NULL), return ERR_ARG;);
760   LWIP_ERROR("netconn_gethostbyname: invalid addr", (addr != NULL), return ERR_ARG;);