64 lines
1.3 KiB
C
64 lines
1.3 KiB
C
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#include "c_stdlib.h"
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#include "pdu.h"
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coap_pdu_t * coap_new_pdu(void) {
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coap_pdu_t *pdu = NULL;
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pdu = (coap_pdu_t *)c_zalloc(sizeof(coap_pdu_t));
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if(!pdu){
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NODE_DBG("coap_new_pdu malloc error.\n");
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return NULL;
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}
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pdu->scratch.p = (uint8_t *)c_zalloc(MAX_REQ_SCRATCH_SIZE);
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if(!pdu->scratch.p){
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NODE_DBG("coap_new_pdu malloc error.\n");
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c_free(pdu);
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return NULL;
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}
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pdu->scratch.len = MAX_REQ_SCRATCH_SIZE;
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pdu->pkt = (coap_packet_t *)c_zalloc(sizeof(coap_packet_t));
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if(!pdu->pkt){
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NODE_DBG("coap_new_pdu malloc error.\n");
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c_free(pdu->scratch.p);
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c_free(pdu);
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return NULL;
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}
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pdu->msg.p = (uint8_t *)c_zalloc(MAX_REQUEST_SIZE+1); // +1 for string '\0'
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if(!pdu->msg.p){
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NODE_DBG("coap_new_pdu malloc error.\n");
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c_free(pdu->pkt);
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c_free(pdu->scratch.p);
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c_free(pdu);
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return NULL;
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}
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pdu->msg.len = MAX_REQUEST_SIZE;
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return pdu;
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}
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void coap_delete_pdu(coap_pdu_t *pdu){
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if(!pdu)
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return;
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if(pdu->scratch.p){
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c_free(pdu->scratch.p);
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pdu->scratch.p = NULL;
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pdu->scratch.len = 0;
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}
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if(pdu->pkt){
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c_free(pdu->pkt);
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pdu->pkt = NULL;
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}
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if(pdu->msg.p){
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c_free(pdu->msg.p);
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pdu->msg.p = NULL;
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pdu->msg.len = 0;
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}
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c_free(pdu);
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pdu = NULL;
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}
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