Fix possible string overflow in BTAdvertisedDeviceSet::toString()

espressif · Apr 16, 2021 · 57cf2fb · 57cf2fb
1 parent 41c372c
commit 57cf2fb
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/libraries/BluetoothSerial/src/BTAdvertisedDeviceSet.cpp b/libraries/BluetoothSerial/src/BTAdvertisedDeviceSet.cpp
@@ -47,8 +47,8 @@ std::string BTAdvertisedDeviceSet::toString() {
 		res += val;
 	}
 	if (haveRSSI()) {
-		char val[4];
-		snprintf(val, sizeof(val), "%d", getRSSI());
+		char val[6];
+		snprintf(val, sizeof(val), "%d", (int8_t)getRSSI());
 		res += ", rssi: ";
 		res += val;
 	}