From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 27 Aug 2013 19:35:24 +0000 (+0300)
Subject: Suppress usage errors if help is requested
X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=commitdiff_plain;h=a742e766dda1c04ba6f8c6b552a1b007ff3eb0ca

Suppress usage errors if help is requested
---

diff --git a/source/core/getopt.cpp b/source/core/getopt.cpp
index f88d4a9..6d96f0b 100644
--- a/source/core/getopt.cpp
+++ b/source/core/getopt.cpp
@@ -137,7 +137,8 @@ void GetOpt::operator()(unsigned argc, const char *const *argv)
 	}
 	catch(const usage_error &e)
 	{
-		throw usage_error(e.what(), "Usage: "+generate_usage(argv[0]));
+		if(!help)
+			throw usage_error(e.what(), "Usage: "+generate_usage(argv[0]));
 	}
 
 	if(help)