Lines Matching refs:NULL
95 if(tcpip_callback_with_block(pbuf_free_ooseq_callback, NULL, 0) != ERR_OK) { \
127 for (pcb = tcp_active_pcbs; NULL != pcb; pcb = pcb->next) { in pbuf_free_ooseq()
128 if (NULL != pcb->ooseq) { in pbuf_free_ooseq()
132 pcb->ooseq = NULL; in pbuf_free_ooseq()
233 return NULL; in pbuf_alloc()
241 if (p == NULL) { in pbuf_alloc()
243 return NULL; in pbuf_alloc()
246 p->next = NULL; in pbuf_alloc()
273 if (q == NULL) { in pbuf_alloc()
278 return NULL; in pbuf_alloc()
282 q->next = NULL; in pbuf_alloc()
309 if (p == NULL) { in pbuf_alloc()
310 return NULL; in pbuf_alloc()
315 p->next = NULL; in pbuf_alloc()
327 if (p == NULL) { in pbuf_alloc()
331 return NULL; in pbuf_alloc()
334 p->payload = NULL; in pbuf_alloc()
336 p->next = NULL; in pbuf_alloc()
341 return NULL; in pbuf_alloc()
392 return NULL; in pbuf_alloced_custom()
397 return NULL; in pbuf_alloced_custom()
400 p->pbuf.next = NULL; in pbuf_alloced_custom()
401 if (payload_mem != NULL) { in pbuf_alloced_custom()
404 p->pbuf.payload = NULL; in pbuf_alloced_custom()
436 LWIP_ASSERT("pbuf_realloc: p != NULL", p != NULL); in pbuf_realloc()
464 LWIP_ASSERT("pbuf_realloc: q != NULL", q != NULL); in pbuf_realloc()
474 LWIP_ASSERT("mem_trim returned q == NULL", q != NULL); in pbuf_realloc()
481 if (q->next != NULL) { in pbuf_realloc()
486 q->next = NULL; in pbuf_realloc()
517 LWIP_ASSERT("p != NULL", p != NULL); in pbuf_header()
518 if ((header_size_increment == 0) || (p == NULL)) { in pbuf_header()
624 if (p == NULL) { in pbuf_free()
625 LWIP_ASSERT("p != NULL", p != NULL); in pbuf_free()
642 while (p != NULL) { in pbuf_free()
664 LWIP_ASSERT("pc->custom_free_function != NULL", pc->custom_free_function != NULL); in pbuf_free()
688 p = NULL; in pbuf_free()
709 while (p != NULL) { in pbuf_clen()
727 if (p != NULL) { in pbuf_ref()
750 ((h != NULL) && (t != NULL)), return;); in pbuf_cat()
753 for (p = h; p->next != NULL; p = p->next) { in pbuf_cat()
759 LWIP_ASSERT("p->next == NULL", p->next == NULL); in pbuf_cat()
810 if (q != NULL) { in pbuf_dechain()
816 p->next = NULL; in pbuf_dechain()
830 return ((tail_gone > 0) ? NULL : q); in pbuf_dechain()
860 LWIP_ERROR("pbuf_copy: target not big enough to hold source", ((p_to != NULL) && in pbuf_copy()
861 (p_from != NULL) && (p_to->tot_len >= p_from->tot_len)), return ERR_ARG;); in pbuf_copy()
888 LWIP_ERROR("p_to != NULL", (p_to != NULL) || (p_from == NULL) , return ERR_ARG;); in pbuf_copy()
891 if((p_from != NULL) && (p_from->len == p_from->tot_len)) { in pbuf_copy()
894 (p_from->next == NULL), return ERR_VAL;); in pbuf_copy()
896 if((p_to != NULL) && (p_to->len == p_to->tot_len)) { in pbuf_copy()
899 (p_to->next == NULL), return ERR_VAL;); in pbuf_copy()
925 LWIP_ERROR("pbuf_copy_partial: invalid buf", (buf != NULL), return 0;); in pbuf_copy_partial()
926 LWIP_ERROR("pbuf_copy_partial: invalid dataptr", (dataptr != NULL), return 0;); in pbuf_copy_partial()
930 if((buf == NULL) || (dataptr == NULL)) { in pbuf_copy_partial()
935 for(p = buf; len != 0 && p != NULL; p = p->next) { in pbuf_copy_partial()
973 LWIP_ERROR("pbuf_take: invalid buf", (buf != NULL), return 0;); in pbuf_take()
974 LWIP_ERROR("pbuf_take: invalid dataptr", (dataptr != NULL), return 0;); in pbuf_take()
976 if ((buf == NULL) || (dataptr == NULL) || (buf->tot_len < len)) { in pbuf_take()
982 LWIP_ASSERT("pbuf_take: invalid pbuf", p != NULL); in pbuf_take()
1014 if (p->next == NULL) { in pbuf_coalesce()
1018 if (q == NULL) { in pbuf_coalesce()
1048 LWIP_ASSERT("p != NULL", p != NULL); in pbuf_fill_chksum()
1049 LWIP_ASSERT("dataptr != NULL", dataptr != NULL); in pbuf_fill_chksum()
1050 LWIP_ASSERT("chksum != NULL", chksum != NULL); in pbuf_fill_chksum()
1083 while ((q != NULL) && (q->len <= copy_from)) { in pbuf_get_at()
1088 if ((q != NULL) && (q->len > copy_from)) { in pbuf_get_at()
1110 while ((q != NULL) && (q->len <= start)) { in pbuf_memcmp()
1115 if ((q != NULL) && (q->len > start)) { in pbuf_memcmp()
1171 if ((substr == NULL) || (substr[0] == 0) || (p->tot_len == 0xFFFF)) { in pbuf_strstr()