hid_error() could return a null, which causes the program to crash with

std::logic_error()
This commit is contained in:
TheQuantumPhysicist 2019-08-09 21:24:48 +02:00
parent 8adde33e01
commit 6ca033d278

View File

@ -44,7 +44,8 @@ namespace hw {
static std::string safe_hid_error(hid_device *hwdev) {
if (hwdev) {
return std::string((char*)hid_error(hwdev));
const char* error_str = (const char*)hid_error(hwdev);
return std::string(error_str == nullptr ? "Unknown error" : error_str);
}
return std::string("NULL device");
}