diff options
| -rw-r--r-- | apps/SoilMoisture.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/apps/SoilMoisture.cpp b/apps/SoilMoisture.cpp index 88f881a..13578f6 100644 --- a/apps/SoilMoisture.cpp +++ b/apps/SoilMoisture.cpp @@ -130,7 +130,11 @@ string SoilMoisture::getName(uint8_t sensor) { uint8_t bytes[bytesLeft]; buffer.copy(bytes, bytesLeft); - return string((char *) bytes, (unsigned long) bytesLeft); + if (bytesLeft == 0 || bytesLeft < (bytes[0] + 1)) { + throw runtime_error("Bad response from device. buffer size: " + to_string(bytesLeft) + ", buffer[0]=" + to_string((int)bytes[0])); + } + + return string((const char *)&bytes[1], bytes[0]); } bool SoilMoisture::hasTemperatureSensor() { |