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char array would cut off strings that were too small in size

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This commit is contained in:
Alex Tudorache
2016-01-18 16:34:25 +02:00
parent 0b06e465ce
commit 823767cb8b
2 changed files with 8 additions and 13 deletions
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WiFiManager.cpp
+1 -1
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@@ -16,7 +16,7 @@ WiFiManagerParameter::WiFiManagerParameter(const char *id, const char *placehold
_id = id;
_placeholder = placeholder;
_length = length;
_value = new char[length];
_value = new char[length+1];
for (int i = 0; i < length; i++) {
_value[i] = 0;
}
examples/AutoConnectWithFSParametersAndCustomIP/AutoConnectWithFSParametersAndCustomIP.ino
+7 -12
View File
@@ -10,13 +10,14 @@
#include <ArduinoJson.h> //https://github.com/bblanchon/ArduinoJson
//define your default values here, if there are different values in config.json, they are overwritten.
//length should be max size + 1
char mqtt_server[40];
char mqtt_port[5] = "8080";
char blynk_token[64] = "YOUR_BLYNK_TOKEN";
char mqtt_port[6] = "8080";
char blynk_token[33] = "YOUR_BLYNK_TOKEN";
//default custom static IP
char static_ip[18] = "10.0.1.56";
char static_gw[18] = "10.0.1.1";
char static_sn[18] = "255.255.255.0";
char static_ip[16] = "10.0.1.56";
char static_gw[16] = "10.0.1.1";
char static_sn[16] = "255.255.255.0";
//flag for saving data
bool shouldSaveConfig = false;
@@ -61,10 +62,6 @@ void setup() {
strcpy(mqtt_port, json["mqtt_port"]);
strcpy(blynk_token, json["blynk_token"]);
//mqtt_server = json["mqtt_server"];
//mqtt_port = json["mqtt_port"];
//blynk_token = json["blynk_token"];
if(json["ip"]) {
Serial.println("setting custom ip from config");
//static_ip = json["ip"];
@@ -100,7 +97,7 @@ void setup() {
// id/name placeholder/prompt default length
WiFiManagerParameter custom_mqtt_server("server", "mqtt server", mqtt_server, 40);
WiFiManagerParameter custom_mqtt_port("port", "mqtt port", mqtt_port, 5);
WiFiManagerParameter custom_blynk_token("blynk", "blynk token", blynk_token, 64);
WiFiManagerParameter custom_blynk_token("blynk", "blynk token", blynk_token, 34);
//WiFiManager
//Local intialization. Once its business is done, there is no need to keep it around
@@ -153,8 +150,6 @@ void setup() {
strcpy(mqtt_server, custom_mqtt_server.getValue());
strcpy(mqtt_port, custom_mqtt_port.getValue());
strcpy(blynk_token, custom_blynk_token.getValue());
//mqtt_port = custom_mqtt_port.getValue();
//blynk_token = custom_blynk_token.getValue();
//save the custom parameters to FS
if (shouldSaveConfig) {