Added use of native C result flags

fm_transmitter.cpp

@@ -83,14 +83,11 @@ int main(int argc, char** argv)
         return 0;
     }
 
+    int result = EXIT_SUCCESS;
+
     std::signal(SIGINT, sigIntHandler);
     std::signal(SIGTSTP, sigIntHandler);
 
-    auto finally = [&]() {
-		auto temp = transmitter;
-        transmitter = nullptr;
-        delete temp;
-    };
     try {
         transmitter = new Transmitter();
         std::cout << "Broadcasting at " << frequency << " MHz with "
@@ -110,10 +107,11 @@ int main(int argc, char** argv)
         } while (!stop && (optind < argc));
     } catch (std::exception &catched) {
         std::cout << "Error: " << catched.what() << std::endl;
-        finally();
-        return EXIT_FAILURE;
+        result = EXIT_FAILURE;
     }
-    finally();
+    auto temp = transmitter;
+    transmitter = nullptr;
+    delete temp;
 
-    return EXIT_SUCCESS;
+    return result;
 }

transmitter.cpp

@@ -522,7 +522,7 @@ void Transmitter::TransmitViaDma(WaveReader &reader, ClockOutput &output, unsign
             for (i = 0; i < samples.size(); i++) {
                 float value = samples[i].GetMonoValue();
                 while (i == ((dma.GetControllBlockAddress() - allocated.GetPhysicalAddress(dmaCb)) / (2 * sizeof(DMAControllBlock)))) {
-					std::this_thread::sleep_for(std::chrono::microseconds(BUFFER_TIME / 10));
+                    std::this_thread::sleep_for(std::chrono::microseconds(BUFFER_TIME / 10));
                 }
                 clkDiv[i] = CLK_PASSWORD | (0xffffff & (clockDivisor - static_cast<int>(round(value * divisorRange))));
                 cbOffset += 2;