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Code Issues Releases Wiki Activity

Fix mosquitto_sub JSON printing with empty payloads.

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This commit is contained in:
Roger Light 2020-10-12 21:53:43 +01:00
parent 4472c1f441
commit 5b4e4f047b
1 changed files with 17 additions and 5 deletions
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22
client/sub_client_output.c
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@ -313,7 +313,11 @@ static int json_print(const struct mosquitto_message *message, const mosquitto_p
/* Payload */
if(escaped){
tmp = cJSON_CreateString(message->payload);
if(message->payload){
tmp = cJSON_CreateString(message->payload);
}else{
tmp = cJSON_CreateNull();
}
if(tmp == NULL){
cJSON_Delete(root);
return MOSQ_ERR_NOMEM;
@ -321,10 +325,18 @@ static int json_print(const struct mosquitto_message *message, const mosquitto_p
cJSON_AddItemToObject(root, "payload", tmp);
}else{
return_parse_end = NULL;
tmp = cJSON_ParseWithOpts(message->payload, &return_parse_end, true);
if(tmp == NULL || return_parse_end != message->payload + message->payloadlen){
cJSON_Delete(root);
return MOSQ_ERR_INVAL;
if(message->payload){
tmp = cJSON_ParseWithOpts(message->payload, &return_parse_end, true);
if(tmp == NULL || return_parse_end != message->payload + message->payloadlen){
cJSON_Delete(root);
return MOSQ_ERR_INVAL;
}
}else{
tmp = cJSON_CreateNull();
if(tmp == NULL){
cJSON_Delete(root);
return MOSQ_ERR_INVAL;
}
}
cJSON_AddItemToObject(root, "payload", tmp);
}