Check return code from hid_get_serial_number_string() in GetSerialString()

Amended for code style by Adam Honse <calcprogrammer1@gmail.com>
2021-06-03 14:52:30 +09:00 · 2021-06-03 14:52:30 +09:00 · 22acdd1fed
commit 22acdd1fed
parent 4e4eade335
37 changed files with 217 additions and 37 deletions
--- a/Controllers/AMDWraithPrismController/AMDWraithPrismController.cpp
+++ b/Controllers/AMDWraithPrismController/AMDWraithPrismController.cpp
@ -52,7 +52,12 @@ char* AMDWraithPrismController::GetDeviceName()
 std::string AMDWraithPrismController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/ASRockPolychromeUSBController/ASRockPolychromeUSBController.cpp
+++ b/Controllers/ASRockPolychromeUSBController/ASRockPolychromeUSBController.cpp
@ -54,8 +54,13 @@ std::string PolychromeUSBController::GetDeviceName()
 std::string PolychromeUSBController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);

+    if(ret != 0)
+    {
+        return("");
+    }
+    
    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());

--- a/Controllers/AsusAuraCoreController/AsusAuraCoreController.cpp
+++ b/Controllers/AsusAuraCoreController/AsusAuraCoreController.cpp
@ -40,7 +40,12 @@ std::string AuraCoreController::GetDeviceLocation()
 std::string AuraCoreController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/AsusAuraUSBController/AsusAuraKeyboardController.cpp
+++ b/Controllers/AsusAuraUSBController/AsusAuraKeyboardController.cpp
@ -30,7 +30,12 @@ std::string AuraKeyboardController::GetDeviceLocation()
 std::string AuraKeyboardController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/AsusAuraUSBController/AsusAuraMouseController.cpp
+++ b/Controllers/AsusAuraUSBController/AsusAuraMouseController.cpp
@ -30,7 +30,12 @@ std::string AuraMouseController::GetDeviceLocation()
 std::string AuraMouseController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/AsusAuraUSBController/AsusAuraUSBController.cpp
+++ b/Controllers/AsusAuraUSBController/AsusAuraUSBController.cpp
@ -42,7 +42,12 @@ std::string AuraUSBController::GetDeviceName()
 std::string AuraUSBController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/CorsairLightingNodeController/CorsairLightingNodeController.cpp
+++ b/Controllers/CorsairLightingNodeController/CorsairLightingNodeController.cpp
@ -64,7 +64,12 @@ std::string CorsairLightingNodeController::GetLocationString()
 std::string CorsairLightingNodeController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/CorsairPeripheralController/CorsairPeripheralController.cpp
+++ b/Controllers/CorsairPeripheralController/CorsairPeripheralController.cpp
@ -112,7 +112,12 @@ std::string CorsairPeripheralController::GetName()
 std::string CorsairPeripheralController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/CorsairWirelessController/CorsairWirelessController.cpp
+++ b/Controllers/CorsairWirelessController/CorsairWirelessController.cpp
@ -51,7 +51,12 @@ std::string CorsairWirelessController::GetName()
 std::string CorsairWirelessController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/DasKeyboardController/DasKeyboardController.cpp
+++ b/Controllers/DasKeyboardController/DasKeyboardController.cpp
@ -38,7 +38,7 @@ std::string DasKeyboardController::GetSerialString()
    int     err                = hid_get_serial_number_string(dev, serial_string, 128);

    std::string return_string;
-    if(!err)
+    if(err == 0)
    {
        std::wstring return_wstring = serial_string;
        return_string = std::string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/DuckyKeyboardController/DuckyKeyboardController.cpp
+++ b/Controllers/DuckyKeyboardController/DuckyKeyboardController.cpp
@ -31,7 +31,12 @@ std::string DuckyKeyboardController::GetDeviceLocation()
 std::string DuckyKeyboardController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/EVisionKeyboardController/EVisionKeyboardController.cpp
+++ b/Controllers/EVisionKeyboardController/EVisionKeyboardController.cpp
@ -33,7 +33,12 @@ std::string EVisionKeyboardController::GetDeviceLocation()
 std::string EVisionKeyboardController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/GigabyteAorusCPUCoolerController/ATC800Controller.cpp
+++ b/Controllers/GigabyteAorusCPUCoolerController/ATC800Controller.cpp
@ -30,7 +30,12 @@ std::string ATC800Controller::GetDeviceLocation()
 std::string ATC800Controller::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/HoltekController/HoltekA070Controller.cpp
+++ b/Controllers/HoltekController/HoltekA070Controller.cpp
@ -29,7 +29,12 @@ std::string HoltekA070Controller::GetDeviceLocation()
 std::string HoltekA070Controller::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/HoltekController/HoltekA1FAController.cpp
+++ b/Controllers/HoltekController/HoltekA1FAController.cpp
@ -30,7 +30,12 @@ std::string HoltekA1FAController::GetDeviceLocation()
 std::string HoltekA1FAController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/HyperXKeyboardController/HyperXAlloyElite2Controller.cpp
+++ b/Controllers/HyperXKeyboardController/HyperXAlloyElite2Controller.cpp
@ -35,7 +35,12 @@ std::string HyperXAlloyElite2Controller::GetDeviceLocation()
 std::string HyperXAlloyElite2Controller::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/HyperXKeyboardController/HyperXAlloyOriginsController.cpp
+++ b/Controllers/HyperXKeyboardController/HyperXAlloyOriginsController.cpp
@ -33,7 +33,12 @@ std::string HyperXAlloyOriginsController::GetDeviceLocation()
 std::string HyperXAlloyOriginsController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/HyperXKeyboardController/HyperXKeyboardController.cpp
+++ b/Controllers/HyperXKeyboardController/HyperXKeyboardController.cpp
@ -46,7 +46,12 @@ std::string HyperXKeyboardController::GetDeviceLocation()
 std::string HyperXKeyboardController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/HyperXMouseController/HyperXPulsefireDartController.cpp
+++ b/Controllers/HyperXMouseController/HyperXPulsefireDartController.cpp
@ -30,7 +30,12 @@ std::string HyperXPulsefireDartController::GetDeviceLocation()
 std::string HyperXPulsefireDartController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/HyperXMouseController/HyperXPulsefireFPSProController.cpp
+++ b/Controllers/HyperXMouseController/HyperXPulsefireFPSProController.cpp
@ -30,7 +30,12 @@ std::string HyperXPulsefireFPSProController::GetDeviceLocation()
 std::string HyperXPulsefireFPSProController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/HyperXMouseController/HyperXPulsefireSurgeController.cpp
+++ b/Controllers/HyperXMouseController/HyperXPulsefireSurgeController.cpp
@ -30,7 +30,12 @@ std::string HyperXPulsefireSurgeController::GetDeviceLocation()
 std::string HyperXPulsefireSurgeController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/HyperXMousematController/HyperXMousematController.cpp
+++ b/Controllers/HyperXMousematController/HyperXMousematController.cpp
@ -30,7 +30,12 @@ std::string HyperXMousematController::GetDeviceLocation()
 std::string HyperXMousematController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/LogitechController/LogitechG203LController.cpp
+++ b/Controllers/LogitechController/LogitechG203LController.cpp
@ -21,7 +21,12 @@ std::string LogitechG203LController::GetDeviceLocation()
 std::string LogitechG203LController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/LogitechController/LogitechG213Controller.cpp
+++ b/Controllers/LogitechController/LogitechG213Controller.cpp
@ -28,7 +28,12 @@ std::string LogitechG213Controller::GetDeviceLocation()
 std::string LogitechG213Controller::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/LogitechController/LogitechG810Controller.cpp
+++ b/Controllers/LogitechController/LogitechG810Controller.cpp
@ -25,7 +25,12 @@ LogitechG810Controller::~LogitechG810Controller()
 std::string LogitechG810Controller::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev_pkt_0x11, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev_pkt_0x11, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/LogitechController/LogitechG815Controller.cpp
+++ b/Controllers/LogitechController/LogitechG815Controller.cpp
@ -24,7 +24,12 @@ LogitechG815Controller::~LogitechG815Controller()
 std::string LogitechG815Controller::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev_pkt_0x11, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev_pkt_0x11, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/LogitechController/LogitechG910Controller.cpp
+++ b/Controllers/LogitechController/LogitechG910Controller.cpp
@ -25,7 +25,12 @@ LogitechG910Controller::~LogitechG910Controller()
 std::string LogitechG910Controller::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev_pkt_0x11, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev_pkt_0x11, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/LogitechController/LogitechGLightsyncController.cpp
+++ b/Controllers/LogitechController/LogitechGLightsyncController.cpp
@ -46,7 +46,12 @@ std::string LogitechGLightsyncController::GetDeviceLocation()
 std::string LogitechGLightsyncController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/LogitechController/LogitechLightspeedController.cpp
+++ b/Controllers/LogitechController/LogitechLightspeedController.cpp
@ -30,7 +30,12 @@ std::string LogitechLightspeedController::GetDeviceLocation()
 std::string LogitechLightspeedController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/MSI3ZoneController/MSI3ZoneController.cpp
+++ b/Controllers/MSI3ZoneController/MSI3ZoneController.cpp
@ -35,7 +35,12 @@ std::string MSI3ZoneController::GetDeviceLocation()
 std::string MSI3ZoneController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/NZXTHue2Controller/NZXTHue2Controller.cpp
+++ b/Controllers/NZXTHue2Controller/NZXTHue2Controller.cpp
@ -71,7 +71,12 @@ std::string NZXTHue2Controller::GetFirmwareVersion()
 std::string NZXTHue2Controller::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/NZXTKrakenController/NZXTKrakenController.cpp
+++ b/Controllers/NZXTKrakenController/NZXTKrakenController.cpp
@ -56,7 +56,12 @@ std::string NZXTKrakenController::GetLocation()
 std::string NZXTKrakenController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/RedragonController/RedragonM711Controller.cpp
+++ b/Controllers/RedragonController/RedragonM711Controller.cpp
@ -26,7 +26,12 @@ std::string RedragonM711Controller::GetDeviceLocation()
 std::string RedragonM711Controller::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/SinowealthController/SinowealthController.cpp
+++ b/Controllers/SinowealthController/SinowealthController.cpp
@ -43,7 +43,12 @@ unsigned int SinowealthController::GetLEDCount()
 std::string SinowealthController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev_report_id_4, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev_report_id_4, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/ThermaltakePoseidonZRGBController/ThermaltakePoseidonZRGBController.cpp
+++ b/Controllers/ThermaltakePoseidonZRGBController/ThermaltakePoseidonZRGBController.cpp
@ -41,7 +41,12 @@ std::string PoseidonZRGBController::GetDeviceLocation()
 std::string PoseidonZRGBController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/ThermaltakeRiingController/ThermaltakeRiingController.cpp
+++ b/Controllers/ThermaltakeRiingController/ThermaltakeRiingController.cpp
@ -32,7 +32,12 @@ std::string ThermaltakeRiingController::GetDeviceLocation()
 std::string ThermaltakeRiingController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());
--- a/Controllers/ZalmanZSyncController/ZalmanZSyncController.cpp
+++ b/Controllers/ZalmanZSyncController/ZalmanZSyncController.cpp
@ -74,7 +74,12 @@ std::string ZalmanZSyncController::GetLocationString()
 std::string ZalmanZSyncController::GetSerialString()
 {
    wchar_t serial_string[128];
-    hid_get_serial_number_string(dev, serial_string, 128);
+    int ret = hid_get_serial_number_string(dev, serial_string, 128);
+
+    if(ret != 0)
+    {
+        return("");
+    }

    std::wstring return_wstring = serial_string;
    std::string return_string(return_wstring.begin(), return_wstring.end());