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Reduce uses of strlen() #299

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Reduce uses of strlen() #299

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13 changes: 7 additions & 6 deletions aREST.h
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Original file line number Diff line number Diff line change
Expand Up @@ -815,7 +815,7 @@ void handle(char * string) {

void handle_proto(char * string) {
// Check if there is data available to read
for (int i = 0; i < strlen(string); i++){
for (int i = 0; string[i] != 0; i++){

char c = string[i];
answer = answer + c;
Expand Down Expand Up @@ -906,25 +906,26 @@ void handle_callback(PubSubClient& client, char* topic, byte* payload, unsigned
// Read answer
char * answer = getBuffer();

size_t answer_len = strlen(answer);
// Send response
if (DEBUG_MODE) {
Serial.print("Sending message via MQTT: ");
Serial.println(answer);
Serial.print("Size of MQTT message: ");
Serial.println(strlen(answer));
Serial.println(answer_len);
Serial.print("Size of client ID: ");
Serial.println(client_id.length());
}

int max_message_size = 128 - 20 - client_id.length();
size_t max_message_size = 128 - 20 - client_id.length();

if (strlen(answer) < max_message_size) {
if (answer_len < max_message_size) {
client.publish(out_topic.c_str(), answer);
}
else {

// Max iteration
uint8_t max_iteration = (int)(strlen(answer)/max_message_size) + 1;
uint8_t max_iteration = (int)(answer_len/max_message_size) + 1;

// Send data
for (uint8_t i = 0; i < max_iteration; i++) {
Expand Down Expand Up @@ -1731,7 +1732,7 @@ void addStringToBuffer(const char * toAdd, bool quotable){
addQuote();
}

for (int i = 0; i < strlen(toAdd) && index < OUTPUT_BUFFER_SIZE; i++, index++) {
for (int i = 0; toAdd[i] != 0 && index < OUTPUT_BUFFER_SIZE; i++, index++) {
// Handle quoting quotes and backslashes
if(quotable && (toAdd[i] == '"' || toAdd[i] == '\\')) {
if(index == OUTPUT_BUFFER_SIZE - 1) // No room!
Expand Down