From bc94bb76c624448be7e75b550e562de71db32ccb Mon Sep 17 00:00:00 2001
From: Phuntsok Drak-pa <phundrak@phundrak.fr>
Date: Sat, 13 Apr 2019 14:48:21 +0200
Subject: [PATCH] fixed return value when invoking software with help flag

---
 src/main.cc      | 1 -
 src/parseargs.cc | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/main.cc b/src/main.cc
index b062385..fe76031 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -19,5 +19,4 @@ int main(int ac, char** av)
 	ImageManipulator image_process{input_file, output_file, iterations};
 	image_process.exec_method(method, controlled_size);
 	image_process.write_file();
-	return 0;
 }
diff --git a/src/parseargs.cc b/src/parseargs.cc
index c60f611..b5bbd42 100644
--- a/src/parseargs.cc
+++ b/src/parseargs.cc
@@ -43,7 +43,7 @@ void processFilenames(po::variables_map const& vm,
 	po::notify(vm);
 	if (vm.count("help") || !vm.count("input")) {
 		std::cout << desc << "\n";
-		std::exit(1);
+		std::exit(!vm.count("help"));
 	}
 
 	auto const input_path = vm["input"].as<path>();