Optional argument for boolean options

knizhnik · knizhnik · commit 0df77d0c1114 · 2019-01-22T12:20:58.000+03:00
diff --git a/src/utils/configuration.c b/src/utils/configuration.c
@@ -107,7 +107,7 @@ option_has_arg(char type)
 	{
 		case 'b':
 		case 'B':
-			return no_argument;
+			return optional_argument;
 		default:
 			return required_argument;
 	}
