Change failed branch exit code

1 files changed, 3 insertions, 4 deletions

diff --git a/examples/sinewave/sinewave_example.cpp b/examples/sinewave/sinewave_example.cpp
index 0492bf7..b76639c 100644
--- a/examples/sinewave/sinewave_example.cpp
+++ b/examples/sinewave/sinewave_example.cpp
@@ -1,5 +1,4 @@
 #include <unistd.h>
-#include <stdlib.h>
 
 #include <chrono>
 #include <functional>
@@ -38,15 +37,15 @@ int main(int argc, char* argv[]) {
 				generatorGuard = limited;
 				break;
 			default:
-				std::cerr << "Usage: " << argv[0] << " [-i interval][-n samples] \n",
-					exit(EXIT_FAILURE);
+				std::cerr << "Usage: " << argv[0] << " [-i interval][-n samples]"<<std::endl;
+				return 1;
 			}
 		}
 	}
 	catch (const std::invalid_argument& ia) {
 		std::cerr << "Invalid argument: " << ia.what() << '\n';
 
-		return 0;
+		return 1;
 	}
 
 	hwd::sinewave::set_amplitude(11);