cmdopts: Add a -?/--help option

2025-01-05 13:35:14 -04:00
parent 77a19deb8e
commit 00ce114d40
3 changed files with 15 additions and 7 deletions
@@ -15,11 +15,14 @@ try {
 		options.parseArguments(argc, argv);
 	}
 	catch (const std::invalid_argument& e) {
-		std::cerr << e.what() << std::endl;
-		std::cerr << options.getUsage() << std::endl;
+		std::cerr << e.what() <<'\n' << options.getUsage() <<'\n';
 		return EXIT_FAILURE;
 	}

+	if (options.printUsage) {
+		std::cout << options.getUsage() << std::endl;
+		return EXIT_SUCCESS;
+	}
 	options.dumpOptions();
 }
 catch (...) {